t3005: remove unused variable

[alt-git.git] / Makefile

# The default target of this Makefile is...
all::

# Define V=1 to have a more verbose compile.
#
# Define SHELL_PATH to a POSIX shell if your /bin/sh is broken.
#
# Define SANE_TOOL_PATH to a colon-separated list of paths to prepend
# to PATH if your tools in /usr/bin are broken.
#
# Define SOCKLEN_T to a suitable type (such as 'size_t') if your
# system headers do not define a socklen_t type.
#
# Define INLINE to a suitable substitute (such as '__inline' or '') if git
# fails to compile with errors about undefined inline functions or similar.
#
# Define SNPRINTF_RETURNS_BOGUS if you are on a system which snprintf()
# or vsnprintf() return -1 instead of number of characters which would
# have been written to the final string if enough space had been available.
#
# Define FREAD_READS_DIRECTORIES if you are on a system which succeeds
# when attempting to read from an fopen'ed directory (or even to fopen
# it at all).
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
#
# Define USE_LIBPCRE if you have and want to use libpcre. Various
# commands such as log and grep offer runtime options to use
# Perl-compatible regular expressions instead of standard or extended
# POSIX regular expressions.
#
# USE_LIBPCRE is a synonym for USE_LIBPCRE2, define USE_LIBPCRE1
# instead if you'd like to use the legacy version 1 of the PCRE
# library. Support for version 1 will likely be removed in some future
# release of Git, as upstream has all but abandoned it.
#
# When using USE_LIBPCRE1, define NO_LIBPCRE1_JIT if the PCRE v1
# library is compiled without --enable-jit. We will auto-detect
# whether the version of the PCRE v1 library in use has JIT support at
# all, but we unfortunately can't auto-detect whether JIT support
# hasn't been compiled in in an otherwise JIT-supporting version. If
# you have link-time errors about a missing `pcre_jit_exec` define
# this, or recompile PCRE v1 with --enable-jit.
#
# Define LIBPCREDIR=/foo/bar if your PCRE header and library files are
# in /foo/bar/include and /foo/bar/lib directories. Which version of
# PCRE this points to determined by the USE_LIBPCRE1 and USE_LIBPCRE2
# variables.
#
# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
#
# Define NO_CURL if you do not have libcurl installed.  git-http-fetch and
# git-http-push are not built, and you cannot use http:// and https://
# transports (neither smart nor dumb).
#
# Define CURLDIR=/foo/bar if your curl header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
#
# Define CURL_CONFIG to curl's configuration program that prints information
# about the library (e.g., its version number).  The default is 'curl-config'.
#
# Define CURL_LDFLAGS to specify flags that you need to link when using libcurl,
# if you do not want to rely on the libraries provided by CURL_CONFIG.  The
# default value is a result of `curl-config --libs`.  An example value for
# CURL_LDFLAGS is as follows:
#
#     CURL_LDFLAGS=-lcurl
#
# Define NO_EXPAT if you do not have expat installed.  git-http-push is
# not built, and you cannot push using http:// and https:// transports (dumb).
#
# Define EXPATDIR=/foo/bar if your expat header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
#
# Define EXPAT_NEEDS_XMLPARSE_H if you have an old version of expat (e.g.,
# 1.1 or 1.2) that provides xmlparse.h instead of expat.h.
#
# Define NO_GETTEXT if you don't want Git output to be translated.
# A translated Git requires GNU libintl or another gettext implementation,
# plus libintl-perl at runtime.
#
# Define USE_GETTEXT_SCHEME and set it to 'fallthrough', if you don't trust
# the installed gettext translation of the shell scripts output.
#
# Define HAVE_LIBCHARSET_H if you haven't set NO_GETTEXT and you can't
# trust the langinfo.h's nl_langinfo(CODESET) function to return the
# current character set. GNU and Solaris have a nl_langinfo(CODESET),
# FreeBSD can use either, but MinGW and some others need to use
# libcharset.h's locale_charset() instead.
#
# Define CHARSET_LIB to the library you need to link with in order to
# use locale_charset() function.  On some platforms this needs to set to
# -lcharset, on others to -liconv .
#
# Define LIBC_CONTAINS_LIBINTL if your gettext implementation doesn't
# need -lintl when linking.
#
# Define NO_MSGFMT_EXTENDED_OPTIONS if your implementation of msgfmt
# doesn't support GNU extensions like --check and --statistics
#
# Define HAVE_PATHS_H if you have paths.h and want to use the default PATH
# it specifies.
#
# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
# d_type in struct dirent (Cygwin 1.5, fixed in Cygwin 1.7).
#
# Define HAVE_STRINGS_H if you have strings.h and need it for strcasecmp.
#
# Define NO_STRCASESTR if you don't have strcasestr.
#
# Define NO_MEMMEM if you don't have memmem.
#
# Define NO_GETPAGESIZE if you don't have getpagesize.
#
# Define NO_STRLCPY if you don't have strlcpy.
#
# Define NO_STRTOUMAX if you don't have both strtoimax and strtoumax in the
# C library. If your compiler also does not support long long or does not have
# strtoull, define NO_STRTOULL.
#
# Define NO_SETENV if you don't have setenv in the C library.
#
# Define NO_UNSETENV if you don't have unsetenv in the C library.
#
# Define NO_MKDTEMP if you don't have mkdtemp in the C library.
#
# Define MKDIR_WO_TRAILING_SLASH if your mkdir() can't deal with trailing slash.
#
# Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd
# in the C library.
#
# Define NO_LIBGEN_H if you don't have libgen.h.
#
# Define NEEDS_LIBGEN if your libgen needs -lgen when linking
#
# Define NO_SYS_SELECT_H if you don't have sys/select.h.
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
# Enable it on Windows.  By default, symrefs are still used.
#
# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
# tests.  These tests take up a significant amount of the total test time
# but are not needed unless you plan to talk to SVN repos.
#
# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
# installed in /sw, but don't want GIT to link against any libraries
# installed there.  If defined you may specify your own (or Fink's)
# include directories and library directories by defining CFLAGS
# and LDFLAGS appropriately.
#
# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
# have DarwinPorts installed in /opt/local, but don't want GIT to
# link against any libraries installed there.  If defined you may
# specify your own (or DarwinPort's) include directories and
# library directories by defining CFLAGS and LDFLAGS appropriately.
#
# Define NO_APPLE_COMMON_CRYPTO if you are building on Darwin/Mac OS X
# and do not want to use Apple's CommonCrypto library.  This allows you
# to provide your own OpenSSL library, for example from MacPorts.
#
# Define BLK_SHA1 environment variable to make use of the bundled
# optimized C SHA1 routine.
#
# Define PPC_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for PowerPC.
#
# Define DC_SHA1 to unconditionally enable the collision-detecting sha1
# algorithm. This is slower, but may detect attempted collision attacks.
# Takes priority over other *_SHA1 knobs.
#
# Define DC_SHA1_EXTERNAL in addition to DC_SHA1 if you want to build / link
# git with the external SHA1 collision-detect library.
# Without this option, i.e. the default behavior is to build git with its
# own built-in code (or submodule).
#
# Define DC_SHA1_SUBMODULE in addition to DC_SHA1 to use the
# sha1collisiondetection shipped as a submodule instead of the
# non-submodule copy in sha1dc/. This is an experimental option used
# by the git project to migrate to using sha1collisiondetection as a
# submodule.
#
# Define OPENSSL_SHA1 environment variable when running make to link
# with the SHA1 routine from openssl library.
#
# Define SHA1_MAX_BLOCK_SIZE to limit the amount of data that will be hashed
# in one call to the platform's SHA1_Update(). e.g. APPLE_COMMON_CRYPTO
# wants 'SHA1_MAX_BLOCK_SIZE=1024L*1024L*1024L' defined.
#
# Define BLK_SHA256 to use the built-in SHA-256 routines.
#
# Define GCRYPT_SHA256 to use the SHA-256 routines in libgcrypt.
#
# Define OPENSSL_SHA256 to use the SHA-256 routines in OpenSSL.
#
# Define NEEDS_CRYPTO_WITH_SSL if you need -lcrypto when using -lssl (Darwin).
#
# Define NEEDS_SSL_WITH_CRYPTO if you need -lssl when using -lcrypto (Darwin).
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
#
# Define NEEDS_LIBINTL_BEFORE_LIBICONV if you need libintl before libiconv.
#
# Define NO_INTPTR_T if you don't have intptr_t or uintptr_t.
#
# Define NO_UINTMAX_T if you don't have uintmax_t.
#
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
# Patrick Mauritz).
#
# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough.
# Notably on Solaris hstrerror resides in libresolv and on Solaris 7
# inet_ntop and inet_pton additionally reside there.
#
# Define NO_MMAP if you want to avoid mmap.
#
# Define MMAP_PREVENTS_DELETE if a file that is currently mmapped cannot be
# deleted or cannot be replaced using rename().
#
# Define NO_POLL_H if you don't have poll.h.
#
# Define NO_SYS_POLL_H if you don't have sys/poll.h.
#
# Define NO_POLL if you do not have or don't want to use poll().
# This also implies NO_POLL_H and NO_SYS_POLL_H.
#
# Define NEEDS_SYS_PARAM_H if you need to include sys/param.h to compile,
# *PLEASE* REPORT to git@vger.kernel.org if your platform needs this;
# we want to know more about the issue.
#
# Define NO_PTHREADS if you do not have or do not want to use Pthreads.
#
# Define NO_PREAD if you have a problem with pread() system call (e.g.
# cygwin1.dll before v1.5.22).
#
# Define NO_SETITIMER if you don't have setitimer()
#
# Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval
# This also implies NO_SETITIMER
#
# Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is
# generally faster on your platform than accessing the working directory.
#
# Define NO_TRUSTABLE_FILEMODE if your filesystem may claim to support
# the executable mode bit, but doesn't really do so.
#
# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type
# bits in mode values (e.g. z/OS defines I_SFMT to 0xFF000000 as opposed to the
# usual 0xF000).
#
# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
#
# Define NO_UNIX_SOCKETS if your system does not offer unix sockets.
#
# Define NO_SOCKADDR_STORAGE if your platform does not have struct
# sockaddr_storage.
#
# Define NO_ICONV if your libc does not properly support iconv.
#
# Define OLD_ICONV if your library has an old iconv(), where the second
# (input buffer pointer) parameter is declared with type (const char **).
#
# Define ICONV_OMITS_BOM if your iconv implementation does not write a
# byte-order mark (BOM) when writing UTF-16 or UTF-32 and always writes in
# big-endian format.
#
# Define NO_DEFLATE_BOUND if your zlib does not have deflateBound.
#
# Define NO_R_TO_GCC_LINKER if your gcc does not like "-R/path/lib"
# that tells runtime paths to dynamic libraries;
# "-Wl,-rpath=/path/lib" is used instead.
#
# Define NO_NORETURN if using buggy versions of gcc 4.6+ and profile feedback,
# as the compiler can crash (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49299)
#
# Define USE_NSEC below if you want git to care about sub-second file mtimes
# and ctimes. Note that you need recent glibc (at least 2.2.4) for this. On
# Linux, kernel 2.6.11 or newer is required for reliable sub-second file times
# on file systems with exactly 1 ns or 1 s resolution. If you intend to use Git
# on other file systems (e.g. CEPH, CIFS, NTFS, UDF), don't enable USE_NSEC. See
# Documentation/technical/racy-git.txt for details.
#
# Define USE_ST_TIMESPEC if your "struct stat" uses "st_ctimespec" instead of
# "st_ctim"
#
# Define NO_NSEC if your "struct stat" does not have "st_ctim.tv_nsec"
# available.  This automatically turns USE_NSEC off.
#
# Define USE_STDEV below if you want git to care about the underlying device
# change being considered an inode change from the update-index perspective.
#
# Define NO_ST_BLOCKS_IN_STRUCT_STAT if your platform does not have st_blocks
# field that counts the on-disk footprint in 512-byte blocks.
#
# Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72
# (not v1.73 or v1.71).
#
# Define ASCIIDOC_ROFF if your DocBook XSL does not escape raw roff directives
# (versions 1.68.1 through v1.72).
#
# Define GNU_ROFF if your target system uses GNU groff.  This forces
# apostrophes to be ASCII so that cut&pasting examples to the shell
# will work.
#
# Define USE_ASCIIDOCTOR to use Asciidoctor instead of AsciiDoc to build the
# documentation.
#
# Define ASCIIDOCTOR_EXTENSIONS_LAB to point to the location of the Asciidoctor
# Extensions Lab if you have it available.
#
# Define PERL_PATH to the path of your Perl binary (usually /usr/bin/perl).
#
# Define NO_PERL if you do not want Perl scripts or libraries at all.
#
# Define NO_PERL_CPAN_FALLBACKS if you do not want to install bundled
# copies of CPAN modules that serve as a fallback in case the modules
# are not available on the system. This option is intended for
# distributions that want to use their packaged versions of Perl
# modules, instead of the fallbacks shipped with Git.
#
# Define PYTHON_PATH to the path of your Python binary (often /usr/bin/python
# but /usr/bin/python2.7 on some platforms).
#
# Define NO_PYTHON if you do not want Python scripts or libraries at all.
#
# Define NO_TCLTK if you do not want Tcl/Tk GUI.
#
# Define SANE_TEXT_GREP to "-a" if you use recent versions of GNU grep
# and egrep that are pickier when their input contains non-ASCII data.
#
# The TCL_PATH variable governs the location of the Tcl interpreter
# used to optimize git-gui for your system.  Only used if NO_TCLTK
# is not set.  Defaults to the bare 'tclsh'.
#
# The TCLTK_PATH variable governs the location of the Tcl/Tk interpreter.
# If not set it defaults to the bare 'wish'. If it is set to the empty
# string then NO_TCLTK will be forced (this is used by configure script).
#
# Define INTERNAL_QSORT to use Git's implementation of qsort(), which
# is a simplified version of the merge sort used in glibc. This is
# recommended if Git triggers O(n^2) behavior in your platform's qsort().
#
# Define HAVE_ISO_QSORT_S if your platform provides a qsort_s() that's
# compatible with the one described in C11 Annex K.
#
# Define UNRELIABLE_FSTAT if your system's fstat does not return the same
# information on a not yet closed file that lstat would return for the same
# file after it was closed.
#
# Define OBJECT_CREATION_USES_RENAMES if your operating systems has problems
# when hardlinking a file to another name and unlinking the original file right
# away (some NTFS drivers seem to zero the contents in that scenario).
#
# Define INSTALL_SYMLINKS if you prefer to have everything that can be
# symlinked between bin/ and libexec/ to use relative symlinks between
# the two. This option overrides NO_CROSS_DIRECTORY_HARDLINKS and
# NO_INSTALL_HARDLINKS which will also use symlinking by indirection
# within the same directory in some cases, INSTALL_SYMLINKS will
# always symlink to the final target directly.
#
# Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed
# programs as a tar, where bin/ and libexec/ might be on different file systems.
#
# Define NO_INSTALL_HARDLINKS if you prefer to use either symbolic links or
# copies to install built-in git commands e.g. git-cat-file.
#
# Define USE_NED_ALLOCATOR if you want to replace the platforms default
# memory allocators with the nedmalloc allocator written by Niall Douglas.
#
# Define OVERRIDE_STRDUP to override the libc version of strdup(3).
# This is necessary when using a custom allocator in order to avoid
# crashes due to allocation and free working on different 'heaps'.
# It's defined automatically if USE_NED_ALLOCATOR is set.
#
# Define NO_REGEX if your C library lacks regex support with REG_STARTEND
# feature.
#
# Define HAVE_DEV_TTY if your system can open /dev/tty to interact with the
# user.
#
# Define JSMIN to point to JavaScript minifier that functions as
# a filter to have gitweb.js minified.
#
# Define CSSMIN to point to a CSS minifier in order to generate a minified
# version of gitweb.css
#
# Define DEFAULT_PAGER to a sensible pager command (defaults to "less") if
# you want to use something different.  The value will be interpreted by the
# shell at runtime when it is used.
#
# Define DEFAULT_EDITOR to a sensible editor command (defaults to "vi") if you
# want to use something different.  The value will be interpreted by the shell
# if necessary when it is used.  Examples:
#
#   DEFAULT_EDITOR='~/bin/vi',
#   DEFAULT_EDITOR='$GIT_FALLBACK_EDITOR',
#   DEFAULT_EDITOR='"C:\Program Files\Vim\gvim.exe" --nofork'
#
# Define COMPUTE_HEADER_DEPENDENCIES to "yes" if you want dependencies on
# header files to be automatically computed, to avoid rebuilding objects when
# an unrelated header file changes.  Define it to "no" to use the hard-coded
# dependency rules.  The default is "auto", which means to use computed header
# dependencies if your compiler is detected to support it.
#
# Define NATIVE_CRLF if your platform uses CRLF for line endings.
#
# Define GIT_USER_AGENT if you want to change how git identifies itself during
# network interactions.  The default is "git/$(GIT_VERSION)".
#
# Define DEFAULT_HELP_FORMAT to "man", "info" or "html"
# (defaults to "man") if you want to have a different default when
# "git help" is called without a parameter specifying the format.
#
# Define GIT_TEST_INDEX_VERSION to 2, 3 or 4 to run the test suite
# with a different indexfile format version.  If it isn't set the index
# file format used is index-v[23].
#
# Define GMTIME_UNRELIABLE_ERRORS if your gmtime() function does not
# return NULL when it receives a bogus time_t.
#
# Define HAVE_CLOCK_GETTIME if your platform has clock_gettime.
#
# Define HAVE_CLOCK_MONOTONIC if your platform has CLOCK_MONOTONIC.
#
# Define NEEDS_LIBRT if your platform requires linking with librt (glibc version
# before 2.17) for clock_gettime and CLOCK_MONOTONIC.
#
# Define USE_PARENS_AROUND_GETTEXT_N to "yes" if your compiler happily
# compiles the following initialization:
#
#   static const char s[] = ("FOO");
#
# and define it to "no" if you need to remove the parentheses () around the
# constant.  The default is "auto", which means to use parentheses if your
# compiler is detected to support it.
#
# Define HAVE_BSD_SYSCTL if your platform has a BSD-compatible sysctl function.
#
# Define HAVE_GETDELIM if your system has the getdelim() function.
#
# Define FILENO_IS_A_MACRO if fileno() is a macro, not a real function.
#
# Define NEED_ACCESS_ROOT_HANDLER if access() under root may success for X_OK
# even if execution permission isn't granted for any user.
#
# Define PAGER_ENV to a SP separated VAR=VAL pairs to define
# default environment variables to be passed when a pager is spawned, e.g.
#
#    PAGER_ENV = LESS=FRX LV=-c
#
# to say "export LESS=FRX (and LV=-c) if the environment variable
# LESS (and LV) is not set, respectively".
#
# Define TEST_SHELL_PATH if you want to use a shell besides SHELL_PATH for
# running the test scripts (e.g., bash has better support for "set -x"
# tracing).
#
# When cross-compiling, define HOST_CPU as the canonical name of the CPU on
# which the built Git will run (for instance "x86_64").
#
# Define RUNTIME_PREFIX to configure Git to resolve its ancillary tooling and
# support files relative to the location of the runtime binary, rather than
# hard-coding them into the binary. Git installations built with RUNTIME_PREFIX
# can be moved to arbitrary filesystem locations. RUNTIME_PREFIX also causes
# Perl scripts to use a modified entry point header allowing them to resolve
# support files at runtime.
#
# When using RUNTIME_PREFIX, define HAVE_BSD_KERN_PROC_SYSCTL if your platform
# supports the KERN_PROC BSD sysctl function.
#
# When using RUNTIME_PREFIX, define PROCFS_EXECUTABLE_PATH if your platform
# mounts a "procfs" filesystem capable of resolving the path of the current
# executable. If defined, this must be the canonical path for the "procfs"
# current executable path.
#
# When using RUNTIME_PREFIX, define HAVE_NS_GET_EXECUTABLE_PATH if your platform
# supports calling _NSGetExecutablePath to retrieve the path of the running
# executable.
#
# When using RUNTIME_PREFIX, define HAVE_WPGMPTR if your platform offers
# the global variable _wpgmptr containing the absolute path of the current
# executable (this is the case on Windows).
#
# Define DEVELOPER to enable more compiler warnings. Compiler version
# and family are auto detected, but could be overridden by defining
# COMPILER_FEATURES (see config.mak.dev). You can still set
# CFLAGS="..." in combination with DEVELOPER enables, whether that's
# for tweaking something unrelated (e.g. optimization level), or for
# selectively overriding something DEVELOPER or one of the DEVOPTS
# (see just below) brings in.
#
# When DEVELOPER is set, DEVOPTS can be used to control compiler
# options.  This variable contains keywords separated by
# whitespace. The following keywords are are recognized:
#
#    no-error:
#
#        suppresses the -Werror that implicitly comes with
#        DEVELOPER=1. Useful for getting the full set of errors
#        without immediately dying, or for logging them.
#
#    extra-all:
#
#        The DEVELOPER mode enables -Wextra with a few exceptions. By
#        setting this flag the exceptions are removed, and all of
#        -Wextra is used.
#
#    pedantic:
#
#        Enable -pedantic compilation. This also disables
#        USE_PARENS_AROUND_GETTEXT_N to produce only relevant warnings.

GIT-VERSION-FILE: FORCE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
-include GIT-VERSION-FILE

# Set our default configuration.
#
# Among the variables below, these:
#   gitexecdir
#   template_dir
#   sysconfdir
# can be specified as a relative path some/where/else;
# this is interpreted as relative to $(prefix) and "git" at
# runtime figures out where they are based on the path to the executable.
# Additionally, the following will be treated as relative by "git" if they
# begin with "$(prefix)/":
#   mandir
#   infodir
#   htmldir
#   localedir
#   perllibdir
# This can help installing the suite in a relocatable way.

prefix = $(HOME)
bindir = $(prefix)/bin
mandir = $(prefix)/share/man
infodir = $(prefix)/share/info
gitexecdir = libexec/git-core
mergetoolsdir = $(gitexecdir)/mergetools
sharedir = $(prefix)/share
gitwebdir = $(sharedir)/gitweb
perllibdir = $(sharedir)/perl5
localedir = $(sharedir)/locale
template_dir = share/git-core/templates
htmldir = $(prefix)/share/doc/git-doc
ETC_GITCONFIG = $(sysconfdir)/gitconfig
ETC_GITATTRIBUTES = $(sysconfdir)/gitattributes
lib = lib
# DESTDIR =
pathsep = :

bindir_relative = $(patsubst $(prefix)/%,%,$(bindir))
mandir_relative = $(patsubst $(prefix)/%,%,$(mandir))
infodir_relative = $(patsubst $(prefix)/%,%,$(infodir))
gitexecdir_relative = $(patsubst $(prefix)/%,%,$(gitexecdir))
localedir_relative = $(patsubst $(prefix)/%,%,$(localedir))
htmldir_relative = $(patsubst $(prefix)/%,%,$(htmldir))
perllibdir_relative = $(patsubst $(prefix)/%,%,$(perllibdir))

export prefix bindir sharedir sysconfdir gitwebdir perllibdir localedir

# Set our default programs
CC = cc
AR = ar
RM = rm -f
DIFF = diff
TAR = tar
FIND = find
INSTALL = install
TCL_PATH = tclsh
TCLTK_PATH = wish
XGETTEXT = xgettext
MSGFMT = msgfmt
CURL_CONFIG = curl-config
GCOV = gcov
STRIP = strip
SPATCH = spatch

export TCL_PATH TCLTK_PATH

# Set our default LIBS variables
PTHREAD_LIBS = -lpthread

# Guard against environment variables
BUILTIN_OBJS =
BUILT_INS =
COMPAT_CFLAGS =
COMPAT_OBJS =
XDIFF_OBJS =
VCSSVN_OBJS =
GENERATED_H =
EXTRA_CPPFLAGS =
FUZZ_OBJS =
FUZZ_PROGRAMS =
LIB_OBJS =
PROGRAM_OBJS =
PROGRAMS =
EXCLUDED_PROGRAMS =
SCRIPT_PERL =
SCRIPT_PYTHON =
SCRIPT_SH =
SCRIPT_LIB =
TEST_BUILTINS_OBJS =
TEST_PROGRAMS_NEED_X =

# Having this variable in your environment would break pipelines because
# you cause "cd" to echo its destination to stdout.  It can also take
# scripts to unexpected places.  If you like CDPATH, define it for your
# interactive shell sessions without exporting it.
unexport CDPATH

SCRIPT_SH += git-bisect.sh
SCRIPT_SH += git-difftool--helper.sh
SCRIPT_SH += git-filter-branch.sh
SCRIPT_SH += git-merge-octopus.sh
SCRIPT_SH += git-merge-one-file.sh
SCRIPT_SH += git-merge-resolve.sh
SCRIPT_SH += git-mergetool.sh
SCRIPT_SH += git-quiltimport.sh
SCRIPT_SH += git-legacy-stash.sh
SCRIPT_SH += git-request-pull.sh
SCRIPT_SH += git-submodule.sh
SCRIPT_SH += git-web--browse.sh

SCRIPT_LIB += git-mergetool--lib
SCRIPT_LIB += git-parse-remote
SCRIPT_LIB += git-rebase--am
SCRIPT_LIB += git-rebase--common
SCRIPT_LIB += git-rebase--preserve-merges
SCRIPT_LIB += git-sh-setup
SCRIPT_LIB += git-sh-i18n

SCRIPT_PERL += git-add--interactive.perl
SCRIPT_PERL += git-archimport.perl
SCRIPT_PERL += git-cvsexportcommit.perl
SCRIPT_PERL += git-cvsimport.perl
SCRIPT_PERL += git-cvsserver.perl
SCRIPT_PERL += git-send-email.perl
SCRIPT_PERL += git-svn.perl

SCRIPT_PYTHON += git-p4.py

# Generated files for scripts
SCRIPT_SH_GEN = $(patsubst %.sh,%,$(SCRIPT_SH))
SCRIPT_PERL_GEN = $(patsubst %.perl,%,$(SCRIPT_PERL))
SCRIPT_PYTHON_GEN = $(patsubst %.py,%,$(SCRIPT_PYTHON))

# Individual rules to allow e.g.
# "make -C ../.. SCRIPT_PERL=contrib/foo/bar.perl build-perl-script"
# from subdirectories like contrib/*/
.PHONY: build-perl-script build-sh-script build-python-script
build-perl-script: $(SCRIPT_PERL_GEN)
build-sh-script: $(SCRIPT_SH_GEN)
build-python-script: $(SCRIPT_PYTHON_GEN)

.PHONY: install-perl-script install-sh-script install-python-script
install-sh-script: $(SCRIPT_SH_GEN)
        $(INSTALL) $^ '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
install-perl-script: $(SCRIPT_PERL_GEN)
        $(INSTALL) $^ '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
install-python-script: $(SCRIPT_PYTHON_GEN)
        $(INSTALL) $^ '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'

.PHONY: clean-perl-script clean-sh-script clean-python-script
clean-sh-script:
        $(RM) $(SCRIPT_SH_GEN)
clean-perl-script:
        $(RM) $(SCRIPT_PERL_GEN)
clean-python-script:
        $(RM) $(SCRIPT_PYTHON_GEN)

SCRIPTS = $(SCRIPT_SH_GEN) \
          $(SCRIPT_PERL_GEN) \
          $(SCRIPT_PYTHON_GEN) \
          git-instaweb

ETAGS_TARGET = TAGS

FUZZ_OBJS += fuzz-commit-graph.o
FUZZ_OBJS += fuzz-pack-headers.o
FUZZ_OBJS += fuzz-pack-idx.o

# Always build fuzz objects even if not testing, to prevent bit-rot.
all:: $(FUZZ_OBJS)

FUZZ_PROGRAMS += $(patsubst %.o,%,$(FUZZ_OBJS))

# Empty...
EXTRA_PROGRAMS =

# ... and all the rest that could be moved out of bindir to gitexecdir
PROGRAMS += $(EXTRA_PROGRAMS)

PROGRAM_OBJS += credential-store.o
PROGRAM_OBJS += daemon.o
PROGRAM_OBJS += fast-import.o
PROGRAM_OBJS += http-backend.o
PROGRAM_OBJS += imap-send.o
PROGRAM_OBJS += sh-i18n--envsubst.o
PROGRAM_OBJS += shell.o
PROGRAM_OBJS += remote-testsvn.o

# Binary suffix, set to .exe for Windows builds
X =

PROGRAMS += $(patsubst %.o,git-%$X,$(PROGRAM_OBJS))

TEST_BUILTINS_OBJS += test-chmtime.o
TEST_BUILTINS_OBJS += test-config.o
TEST_BUILTINS_OBJS += test-ctype.o
TEST_BUILTINS_OBJS += test-date.o
TEST_BUILTINS_OBJS += test-delta.o
TEST_BUILTINS_OBJS += test-drop-caches.o
TEST_BUILTINS_OBJS += test-dump-cache-tree.o
TEST_BUILTINS_OBJS += test-dump-fsmonitor.o
TEST_BUILTINS_OBJS += test-dump-split-index.o
TEST_BUILTINS_OBJS += test-dump-untracked-cache.o
TEST_BUILTINS_OBJS += test-example-decorate.o
TEST_BUILTINS_OBJS += test-genrandom.o
TEST_BUILTINS_OBJS += test-genzeros.o
TEST_BUILTINS_OBJS += test-hash.o
TEST_BUILTINS_OBJS += test-hashmap.o
TEST_BUILTINS_OBJS += test-hash-speed.o
TEST_BUILTINS_OBJS += test-index-version.o
TEST_BUILTINS_OBJS += test-json-writer.o
TEST_BUILTINS_OBJS += test-lazy-init-name-hash.o
TEST_BUILTINS_OBJS += test-match-trees.o
TEST_BUILTINS_OBJS += test-mergesort.o
TEST_BUILTINS_OBJS += test-mktemp.o
TEST_BUILTINS_OBJS += test-online-cpus.o
TEST_BUILTINS_OBJS += test-parse-options.o
TEST_BUILTINS_OBJS += test-path-utils.o
TEST_BUILTINS_OBJS += test-pkt-line.o
TEST_BUILTINS_OBJS += test-prio-queue.o
TEST_BUILTINS_OBJS += test-reach.o
TEST_BUILTINS_OBJS += test-read-cache.o
TEST_BUILTINS_OBJS += test-read-midx.o
TEST_BUILTINS_OBJS += test-ref-store.o
TEST_BUILTINS_OBJS += test-regex.o
TEST_BUILTINS_OBJS += test-repository.o
TEST_BUILTINS_OBJS += test-revision-walking.o
TEST_BUILTINS_OBJS += test-run-command.o
TEST_BUILTINS_OBJS += test-scrap-cache-tree.o
TEST_BUILTINS_OBJS += test-serve-v2.o
TEST_BUILTINS_OBJS += test-sha1.o
TEST_BUILTINS_OBJS += test-sha1-array.o
TEST_BUILTINS_OBJS += test-sha256.o
TEST_BUILTINS_OBJS += test-sigchain.o
TEST_BUILTINS_OBJS += test-strcmp-offset.o
TEST_BUILTINS_OBJS += test-string-list.o
TEST_BUILTINS_OBJS += test-submodule-config.o
TEST_BUILTINS_OBJS += test-submodule-nested-repo-config.o
TEST_BUILTINS_OBJS += test-subprocess.o
TEST_BUILTINS_OBJS += test-trace2.o
TEST_BUILTINS_OBJS += test-urlmatch-normalization.o
TEST_BUILTINS_OBJS += test-xml-encode.o
TEST_BUILTINS_OBJS += test-wildmatch.o
TEST_BUILTINS_OBJS += test-windows-named-pipe.o
TEST_BUILTINS_OBJS += test-write-cache.o

# Do not add more tests here unless they have extra dependencies. Add
# them in TEST_BUILTINS_OBJS above.
TEST_PROGRAMS_NEED_X += test-fake-ssh
TEST_PROGRAMS_NEED_X += test-line-buffer
TEST_PROGRAMS_NEED_X += test-svn-fe
TEST_PROGRAMS_NEED_X += test-tool

TEST_PROGRAMS = $(patsubst %,t/helper/%$X,$(TEST_PROGRAMS_NEED_X))

# List built-in command $C whose implementation cmd_$C() is not in
# builtin/$C.o but is linked in as part of some other command.
BUILT_INS += $(patsubst builtin/%.o,git-%$X,$(BUILTIN_OBJS))

BUILT_INS += git-cherry$X
BUILT_INS += git-cherry-pick$X
BUILT_INS += git-format-patch$X
BUILT_INS += git-fsck-objects$X
BUILT_INS += git-init$X
BUILT_INS += git-merge-subtree$X
BUILT_INS += git-show$X
BUILT_INS += git-stage$X
BUILT_INS += git-status$X
BUILT_INS += git-whatchanged$X

# what 'all' will build and 'install' will install in gitexecdir,
# excluding programs for built-in commands
ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)

# what 'all' will build but not install in gitexecdir
OTHER_PROGRAMS = git$X

# what test wrappers are needed and 'install' will install, in bindir
BINDIR_PROGRAMS_NEED_X += git
BINDIR_PROGRAMS_NEED_X += git-upload-pack
BINDIR_PROGRAMS_NEED_X += git-receive-pack
BINDIR_PROGRAMS_NEED_X += git-upload-archive
BINDIR_PROGRAMS_NEED_X += git-shell

BINDIR_PROGRAMS_NO_X += git-cvsserver

# Set paths to tools early so that they can be used for version tests.
ifndef SHELL_PATH
        SHELL_PATH = /bin/sh
endif
ifndef PERL_PATH
        PERL_PATH = /usr/bin/perl
endif
ifndef PYTHON_PATH
        PYTHON_PATH = /usr/bin/python
endif

export PERL_PATH
export PYTHON_PATH

TEST_SHELL_PATH = $(SHELL_PATH)

LIB_FILE = libgit.a
XDIFF_LIB = xdiff/lib.a
VCSSVN_LIB = vcs-svn/lib.a

GENERATED_H += command-list.h

LIB_H := $(sort $(shell git ls-files '*.h' ':!t/' ':!Documentation/' 2>/dev/null || \
        $(FIND) . \
        -name .git -prune -o \
        -name t -prune -o \
        -name Documentation -prune -o \
        -name '*.h' -print))

LIB_OBJS += abspath.o
LIB_OBJS += advice.o
LIB_OBJS += alias.o
LIB_OBJS += alloc.o
LIB_OBJS += apply.o
LIB_OBJS += archive.o
LIB_OBJS += archive-tar.o
LIB_OBJS += archive-zip.o
LIB_OBJS += argv-array.o
LIB_OBJS += attr.o
LIB_OBJS += base85.o
LIB_OBJS += bisect.o
LIB_OBJS += blame.o
LIB_OBJS += blob.o
LIB_OBJS += branch.o
LIB_OBJS += bulk-checkin.o
LIB_OBJS += bundle.o
LIB_OBJS += cache-tree.o
LIB_OBJS += chdir-notify.o
LIB_OBJS += checkout.o
LIB_OBJS += color.o
LIB_OBJS += column.o
LIB_OBJS += combine-diff.o
LIB_OBJS += commit.o
LIB_OBJS += commit-graph.o
LIB_OBJS += commit-reach.o
LIB_OBJS += compat/obstack.o
LIB_OBJS += compat/terminal.o
LIB_OBJS += config.o
LIB_OBJS += connect.o
LIB_OBJS += connected.o
LIB_OBJS += convert.o
LIB_OBJS += copy.o
LIB_OBJS += credential.o
LIB_OBJS += csum-file.o
LIB_OBJS += ctype.o
LIB_OBJS += date.o
LIB_OBJS += decorate.o
LIB_OBJS += delta-islands.o
LIB_OBJS += diffcore-break.o
LIB_OBJS += diffcore-delta.o
LIB_OBJS += diffcore-order.o
LIB_OBJS += diffcore-pickaxe.o
LIB_OBJS += diffcore-rename.o
LIB_OBJS += diff-delta.o
LIB_OBJS += diff-lib.o
LIB_OBJS += diff-no-index.o
LIB_OBJS += diff.o
LIB_OBJS += dir.o
LIB_OBJS += dir-iterator.o
LIB_OBJS += editor.o
LIB_OBJS += entry.o
LIB_OBJS += environment.o
LIB_OBJS += ewah/bitmap.o
LIB_OBJS += ewah/ewah_bitmap.o
LIB_OBJS += ewah/ewah_io.o
LIB_OBJS += ewah/ewah_rlw.o
LIB_OBJS += exec-cmd.o
LIB_OBJS += fetch-negotiator.o
LIB_OBJS += fetch-object.o
LIB_OBJS += fetch-pack.o
LIB_OBJS += fsck.o
LIB_OBJS += fsmonitor.o
LIB_OBJS += gettext.o
LIB_OBJS += gpg-interface.o
LIB_OBJS += graph.o
LIB_OBJS += grep.o
LIB_OBJS += hashmap.o
LIB_OBJS += linear-assignment.o
LIB_OBJS += help.o
LIB_OBJS += hex.o
LIB_OBJS += ident.o
LIB_OBJS += interdiff.o
LIB_OBJS += json-writer.o
LIB_OBJS += kwset.o
LIB_OBJS += levenshtein.o
LIB_OBJS += line-log.o
LIB_OBJS += line-range.o
LIB_OBJS += list-objects.o
LIB_OBJS += list-objects-filter.o
LIB_OBJS += list-objects-filter-options.o
LIB_OBJS += ll-merge.o
LIB_OBJS += lockfile.o
LIB_OBJS += log-tree.o
LIB_OBJS += ls-refs.o
LIB_OBJS += mailinfo.o
LIB_OBJS += mailmap.o
LIB_OBJS += match-trees.o
LIB_OBJS += mem-pool.o
LIB_OBJS += merge.o
LIB_OBJS += merge-blobs.o
LIB_OBJS += merge-recursive.o
LIB_OBJS += mergesort.o
LIB_OBJS += midx.o
LIB_OBJS += name-hash.o
LIB_OBJS += negotiator/default.o
LIB_OBJS += negotiator/skipping.o
LIB_OBJS += notes.o
LIB_OBJS += notes-cache.o
LIB_OBJS += notes-merge.o
LIB_OBJS += notes-utils.o
LIB_OBJS += object.o
LIB_OBJS += oidmap.o
LIB_OBJS += oidset.o
LIB_OBJS += packfile.o
LIB_OBJS += pack-bitmap.o
LIB_OBJS += pack-bitmap-write.o
LIB_OBJS += pack-check.o
LIB_OBJS += pack-objects.o
LIB_OBJS += pack-revindex.o
LIB_OBJS += pack-write.o
LIB_OBJS += pager.o
LIB_OBJS += parse-options.o
LIB_OBJS += parse-options-cb.o
LIB_OBJS += patch-delta.o
LIB_OBJS += patch-ids.o
LIB_OBJS += path.o
LIB_OBJS += pathspec.o
LIB_OBJS += pkt-line.o
LIB_OBJS += preload-index.o
LIB_OBJS += pretty.o
LIB_OBJS += prio-queue.o
LIB_OBJS += progress.o
LIB_OBJS += prompt.o
LIB_OBJS += protocol.o
LIB_OBJS += quote.o
LIB_OBJS += range-diff.o
LIB_OBJS += reachable.o
LIB_OBJS += read-cache.o
LIB_OBJS += rebase-interactive.o
LIB_OBJS += reflog-walk.o
LIB_OBJS += refs.o
LIB_OBJS += refs/files-backend.o
LIB_OBJS += refs/iterator.o
LIB_OBJS += refs/packed-backend.o
LIB_OBJS += refs/ref-cache.o
LIB_OBJS += refspec.o
LIB_OBJS += ref-filter.o
LIB_OBJS += remote.o
LIB_OBJS += replace-object.o
LIB_OBJS += repository.o
LIB_OBJS += rerere.o
LIB_OBJS += resolve-undo.o
LIB_OBJS += revision.o
LIB_OBJS += run-command.o
LIB_OBJS += send-pack.o
LIB_OBJS += sequencer.o
LIB_OBJS += serve.o
LIB_OBJS += server-info.o
LIB_OBJS += setup.o
LIB_OBJS += sha1-array.o
LIB_OBJS += sha1-lookup.o
LIB_OBJS += sha1-file.o
LIB_OBJS += sha1-name.o
LIB_OBJS += shallow.o
LIB_OBJS += sideband.o
LIB_OBJS += sigchain.o
LIB_OBJS += split-index.o
LIB_OBJS += strbuf.o
LIB_OBJS += streaming.o
LIB_OBJS += string-list.o
LIB_OBJS += submodule.o
LIB_OBJS += submodule-config.o
LIB_OBJS += sub-process.o
LIB_OBJS += symlinks.o
LIB_OBJS += tag.o
LIB_OBJS += tempfile.o
LIB_OBJS += thread-utils.o
LIB_OBJS += tmp-objdir.o
LIB_OBJS += trace.o
LIB_OBJS += trace2.o
LIB_OBJS += trace2/tr2_cfg.o
LIB_OBJS += trace2/tr2_cmd_name.o
LIB_OBJS += trace2/tr2_dst.o
LIB_OBJS += trace2/tr2_sid.o
LIB_OBJS += trace2/tr2_sysenv.o
LIB_OBJS += trace2/tr2_tbuf.o
LIB_OBJS += trace2/tr2_tgt_event.o
LIB_OBJS += trace2/tr2_tgt_normal.o
LIB_OBJS += trace2/tr2_tgt_perf.o
LIB_OBJS += trace2/tr2_tls.o
LIB_OBJS += trailer.o
LIB_OBJS += transport.o
LIB_OBJS += transport-helper.o
LIB_OBJS += tree-diff.o
LIB_OBJS += tree.o
LIB_OBJS += tree-walk.o
LIB_OBJS += unpack-trees.o
LIB_OBJS += upload-pack.o
LIB_OBJS += url.o
LIB_OBJS += urlmatch.o
LIB_OBJS += usage.o
LIB_OBJS += userdiff.o
LIB_OBJS += utf8.o
LIB_OBJS += varint.o
LIB_OBJS += version.o
LIB_OBJS += versioncmp.o
LIB_OBJS += walker.o
LIB_OBJS += wildmatch.o
LIB_OBJS += worktree.o
LIB_OBJS += wrapper.o
LIB_OBJS += write-or-die.o
LIB_OBJS += ws.o
LIB_OBJS += wt-status.o
LIB_OBJS += xdiff-interface.o
LIB_OBJS += zlib.o

BUILTIN_OBJS += builtin/add.o
BUILTIN_OBJS += builtin/am.o
BUILTIN_OBJS += builtin/annotate.o
BUILTIN_OBJS += builtin/apply.o
BUILTIN_OBJS += builtin/archive.o
BUILTIN_OBJS += builtin/bisect--helper.o
BUILTIN_OBJS += builtin/blame.o
BUILTIN_OBJS += builtin/branch.o
BUILTIN_OBJS += builtin/bundle.o
BUILTIN_OBJS += builtin/cat-file.o
BUILTIN_OBJS += builtin/check-attr.o
BUILTIN_OBJS += builtin/check-ignore.o
BUILTIN_OBJS += builtin/check-mailmap.o
BUILTIN_OBJS += builtin/check-ref-format.o
BUILTIN_OBJS += builtin/checkout-index.o
BUILTIN_OBJS += builtin/checkout.o
BUILTIN_OBJS += builtin/clean.o
BUILTIN_OBJS += builtin/clone.o
BUILTIN_OBJS += builtin/column.o
BUILTIN_OBJS += builtin/commit-tree.o
BUILTIN_OBJS += builtin/commit.o
BUILTIN_OBJS += builtin/commit-graph.o
BUILTIN_OBJS += builtin/config.o
BUILTIN_OBJS += builtin/count-objects.o
BUILTIN_OBJS += builtin/credential.o
BUILTIN_OBJS += builtin/describe.o
BUILTIN_OBJS += builtin/diff-files.o
BUILTIN_OBJS += builtin/diff-index.o
BUILTIN_OBJS += builtin/diff-tree.o
BUILTIN_OBJS += builtin/diff.o
BUILTIN_OBJS += builtin/difftool.o
BUILTIN_OBJS += builtin/fast-export.o
BUILTIN_OBJS += builtin/fetch-pack.o
BUILTIN_OBJS += builtin/fetch.o
BUILTIN_OBJS += builtin/fmt-merge-msg.o
BUILTIN_OBJS += builtin/for-each-ref.o
BUILTIN_OBJS += builtin/fsck.o
BUILTIN_OBJS += builtin/gc.o
BUILTIN_OBJS += builtin/get-tar-commit-id.o
BUILTIN_OBJS += builtin/grep.o
BUILTIN_OBJS += builtin/hash-object.o
BUILTIN_OBJS += builtin/help.o
BUILTIN_OBJS += builtin/index-pack.o
BUILTIN_OBJS += builtin/init-db.o
BUILTIN_OBJS += builtin/interpret-trailers.o
BUILTIN_OBJS += builtin/log.o
BUILTIN_OBJS += builtin/ls-files.o
BUILTIN_OBJS += builtin/ls-remote.o
BUILTIN_OBJS += builtin/ls-tree.o
BUILTIN_OBJS += builtin/mailinfo.o
BUILTIN_OBJS += builtin/mailsplit.o
BUILTIN_OBJS += builtin/merge.o
BUILTIN_OBJS += builtin/merge-base.o
BUILTIN_OBJS += builtin/merge-file.o
BUILTIN_OBJS += builtin/merge-index.o
BUILTIN_OBJS += builtin/merge-ours.o
BUILTIN_OBJS += builtin/merge-recursive.o
BUILTIN_OBJS += builtin/merge-tree.o
BUILTIN_OBJS += builtin/mktag.o
BUILTIN_OBJS += builtin/mktree.o
BUILTIN_OBJS += builtin/multi-pack-index.o
BUILTIN_OBJS += builtin/mv.o
BUILTIN_OBJS += builtin/name-rev.o
BUILTIN_OBJS += builtin/notes.o
BUILTIN_OBJS += builtin/pack-objects.o
BUILTIN_OBJS += builtin/pack-redundant.o
BUILTIN_OBJS += builtin/pack-refs.o
BUILTIN_OBJS += builtin/patch-id.o
BUILTIN_OBJS += builtin/prune-packed.o
BUILTIN_OBJS += builtin/prune.o
BUILTIN_OBJS += builtin/pull.o
BUILTIN_OBJS += builtin/push.o
BUILTIN_OBJS += builtin/range-diff.o
BUILTIN_OBJS += builtin/read-tree.o
BUILTIN_OBJS += builtin/rebase.o
BUILTIN_OBJS += builtin/receive-pack.o
BUILTIN_OBJS += builtin/reflog.o
BUILTIN_OBJS += builtin/remote.o
BUILTIN_OBJS += builtin/remote-ext.o
BUILTIN_OBJS += builtin/remote-fd.o
BUILTIN_OBJS += builtin/repack.o
BUILTIN_OBJS += builtin/replace.o
BUILTIN_OBJS += builtin/rerere.o
BUILTIN_OBJS += builtin/reset.o
BUILTIN_OBJS += builtin/rev-list.o
BUILTIN_OBJS += builtin/rev-parse.o
BUILTIN_OBJS += builtin/revert.o
BUILTIN_OBJS += builtin/rm.o
BUILTIN_OBJS += builtin/send-pack.o
BUILTIN_OBJS += builtin/shortlog.o
BUILTIN_OBJS += builtin/show-branch.o
BUILTIN_OBJS += builtin/show-index.o
BUILTIN_OBJS += builtin/show-ref.o
BUILTIN_OBJS += builtin/stash.o
BUILTIN_OBJS += builtin/stripspace.o
BUILTIN_OBJS += builtin/submodule--helper.o
BUILTIN_OBJS += builtin/symbolic-ref.o
BUILTIN_OBJS += builtin/tag.o
BUILTIN_OBJS += builtin/unpack-file.o
BUILTIN_OBJS += builtin/unpack-objects.o
BUILTIN_OBJS += builtin/update-index.o
BUILTIN_OBJS += builtin/update-ref.o
BUILTIN_OBJS += builtin/update-server-info.o
BUILTIN_OBJS += builtin/upload-archive.o
BUILTIN_OBJS += builtin/upload-pack.o
BUILTIN_OBJS += builtin/var.o
BUILTIN_OBJS += builtin/verify-commit.o
BUILTIN_OBJS += builtin/verify-pack.o
BUILTIN_OBJS += builtin/verify-tag.o
BUILTIN_OBJS += builtin/worktree.o
BUILTIN_OBJS += builtin/write-tree.o

GITLIBS = common-main.o $(LIB_FILE) $(XDIFF_LIB)
EXTLIBS =

GIT_USER_AGENT = git/$(GIT_VERSION)

ifeq ($(wildcard sha1collisiondetection/lib/sha1.h),sha1collisiondetection/lib/sha1.h)
DC_SHA1_SUBMODULE = auto
endif

# Set CFLAGS, LDFLAGS and other *FLAGS variables. These might be
# tweaked by config.* below as well as the command-line, both of
# which'll override these defaults.
CFLAGS = -g -O2 -Wall
LDFLAGS =
BASIC_CFLAGS = -I.
BASIC_LDFLAGS =

# library flags
ARFLAGS = rcs
PTHREAD_CFLAGS =

# For the 'sparse' target
SPARSE_FLAGS ?=
SP_EXTRA_FLAGS =

# For the 'coccicheck' target; setting SPATCH_BATCH_SIZE higher will
# usually result in less CPU usage at the cost of higher peak memory.
# Setting it to 0 will feed all files in a single spatch invocation.
SPATCH_FLAGS = --all-includes --patch .
SPATCH_BATCH_SIZE = 1

include config.mak.uname
-include config.mak.autogen
-include config.mak

ifdef DEVELOPER
include config.mak.dev
endif

ALL_CFLAGS = $(DEVELOPER_CFLAGS) $(CPPFLAGS) $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)

comma := ,
empty :=
space := $(empty) $(empty)

ifdef SANITIZE
SANITIZERS := $(foreach flag,$(subst $(comma),$(space),$(SANITIZE)),$(flag))
BASIC_CFLAGS += -fsanitize=$(SANITIZE) -fno-sanitize-recover=$(SANITIZE)
BASIC_CFLAGS += -fno-omit-frame-pointer
ifneq ($(filter undefined,$(SANITIZERS)),)
BASIC_CFLAGS += -DNO_UNALIGNED_LOADS
BASIC_CFLAGS += -DSHA1DC_FORCE_ALIGNED_ACCESS
endif
ifneq ($(filter leak,$(SANITIZERS)),)
BASIC_CFLAGS += -DSUPPRESS_ANNOTATED_LEAKS
endif
endif

ifndef sysconfdir
ifeq ($(prefix),/usr)
sysconfdir = /etc
else
sysconfdir = etc
endif
endif

ifndef COMPUTE_HEADER_DEPENDENCIES
COMPUTE_HEADER_DEPENDENCIES = auto
endif

ifeq ($(COMPUTE_HEADER_DEPENDENCIES),auto)
dep_check = $(shell $(CC) $(ALL_CFLAGS) \
        -c -MF /dev/null -MQ /dev/null -MMD -MP \
        -x c /dev/null -o /dev/null 2>&1; \
        echo $$?)
ifeq ($(dep_check),0)
override COMPUTE_HEADER_DEPENDENCIES = yes
else
override COMPUTE_HEADER_DEPENDENCIES = no
endif
endif

ifeq ($(COMPUTE_HEADER_DEPENDENCIES),yes)
USE_COMPUTED_HEADER_DEPENDENCIES = YesPlease
else
ifneq ($(COMPUTE_HEADER_DEPENDENCIES),no)
$(error please set COMPUTE_HEADER_DEPENDENCIES to yes, no, or auto \
(not "$(COMPUTE_HEADER_DEPENDENCIES)"))
endif
endif

ifdef SANE_TOOL_PATH
SANE_TOOL_PATH_SQ = $(subst ','\'',$(SANE_TOOL_PATH))
BROKEN_PATH_FIX = 's|^\# @@BROKEN_PATH_FIX@@$$|git_broken_path_fix $(SANE_TOOL_PATH_SQ)|'
PATH := $(SANE_TOOL_PATH):${PATH}
else
BROKEN_PATH_FIX = '/^\# @@BROKEN_PATH_FIX@@$$/d'
endif

ifeq (,$(HOST_CPU))
        BASIC_CFLAGS += -DGIT_HOST_CPU="\"$(firstword $(subst -, ,$(uname_M)))\""
else
        BASIC_CFLAGS += -DGIT_HOST_CPU="\"$(HOST_CPU)\""
endif

ifneq (,$(INLINE))
        BASIC_CFLAGS += -Dinline=$(INLINE)
endif

ifneq (,$(SOCKLEN_T))
        BASIC_CFLAGS += -Dsocklen_t=$(SOCKLEN_T)
endif

ifeq (yes,$(USE_PARENS_AROUND_GETTEXT_N))
        BASIC_CFLAGS += -DUSE_PARENS_AROUND_GETTEXT_N=1
else
ifeq (no,$(USE_PARENS_AROUND_GETTEXT_N))
        BASIC_CFLAGS += -DUSE_PARENS_AROUND_GETTEXT_N=0
endif
endif

ifeq ($(uname_S),Darwin)
        ifndef NO_FINK
                ifeq ($(shell test -d /sw/lib && echo y),y)
                        BASIC_CFLAGS += -I/sw/include
                        BASIC_LDFLAGS += -L/sw/lib
                endif
        endif
        ifndef NO_DARWIN_PORTS
                ifeq ($(shell test -d /opt/local/lib && echo y),y)
                        BASIC_CFLAGS += -I/opt/local/include
                        BASIC_LDFLAGS += -L/opt/local/lib
                endif
        endif
        ifndef NO_APPLE_COMMON_CRYPTO
                NO_OPENSSL = YesPlease
                APPLE_COMMON_CRYPTO = YesPlease
                COMPAT_CFLAGS += -DAPPLE_COMMON_CRYPTO
        endif
        NO_REGEX = YesPlease
        PTHREAD_LIBS =
endif

ifndef CC_LD_DYNPATH
        ifdef NO_R_TO_GCC_LINKER
                # Some gcc does not accept and pass -R to the linker to specify
                # the runtime dynamic library path.
                CC_LD_DYNPATH = -Wl,-rpath,
        else
                CC_LD_DYNPATH = -R
        endif
endif

ifdef NO_LIBGEN_H
        COMPAT_CFLAGS += -DNO_LIBGEN_H
        COMPAT_OBJS += compat/basename.o
endif

USE_LIBPCRE2 ?= $(USE_LIBPCRE)

ifneq (,$(USE_LIBPCRE2))
        ifdef USE_LIBPCRE1
$(error Only set USE_LIBPCRE2 (or its alias USE_LIBPCRE) or USE_LIBPCRE1, not both!)
        endif

        BASIC_CFLAGS += -DUSE_LIBPCRE2
        EXTLIBS += -lpcre2-8
endif

ifdef USE_LIBPCRE1
        BASIC_CFLAGS += -DUSE_LIBPCRE1
        EXTLIBS += -lpcre

ifdef NO_LIBPCRE1_JIT
        BASIC_CFLAGS += -DNO_LIBPCRE1_JIT
endif
endif

ifdef LIBPCREDIR
        BASIC_CFLAGS += -I$(LIBPCREDIR)/include
        EXTLIBS += -L$(LIBPCREDIR)/$(lib) $(CC_LD_DYNPATH)$(LIBPCREDIR)/$(lib)
endif

ifdef HAVE_ALLOCA_H
        BASIC_CFLAGS += -DHAVE_ALLOCA_H
endif

IMAP_SEND_BUILDDEPS =
IMAP_SEND_LDFLAGS =

ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
        REMOTE_CURL_PRIMARY =
        REMOTE_CURL_ALIASES =
        REMOTE_CURL_NAMES =
        EXCLUDED_PROGRAMS += git-http-fetch git-http-push
else
        ifdef CURLDIR
                # Try "-Wl,-rpath=$(CURLDIR)/$(lib)" in such a case.
                BASIC_CFLAGS += -I$(CURLDIR)/include
                CURL_LIBCURL = -L$(CURLDIR)/$(lib) $(CC_LD_DYNPATH)$(CURLDIR)/$(lib)
        else
                CURL_LIBCURL =
        endif

ifdef CURL_LDFLAGS
        CURL_LIBCURL += $(CURL_LDFLAGS)
else
        CURL_LIBCURL += $(shell $(CURL_CONFIG) --libs)
endif

        REMOTE_CURL_PRIMARY = git-remote-http$X
        REMOTE_CURL_ALIASES = git-remote-https$X git-remote-ftp$X git-remote-ftps$X
        REMOTE_CURL_NAMES = $(REMOTE_CURL_PRIMARY) $(REMOTE_CURL_ALIASES)
        PROGRAM_OBJS += http-fetch.o
        PROGRAMS += $(REMOTE_CURL_NAMES)
        curl_check := $(shell (echo 070908; $(CURL_CONFIG) --vernum | sed -e '/^70[BC]/s/^/0/') 2>/dev/null | sort -r | sed -ne 2p)
        ifeq "$(curl_check)" "070908"
                ifndef NO_EXPAT
                        PROGRAM_OBJS += http-push.o
                else
                        EXCLUDED_PROGRAMS += git-http-push
                endif
        else
                EXCLUDED_PROGRAMS += git-http-push
        endif
        curl_check := $(shell (echo 072200; $(CURL_CONFIG) --vernum | sed -e '/^70[BC]/s/^/0/') 2>/dev/null | sort -r | sed -ne 2p)
        ifeq "$(curl_check)" "072200"
                USE_CURL_FOR_IMAP_SEND = YesPlease
        endif
        ifdef USE_CURL_FOR_IMAP_SEND
                BASIC_CFLAGS += -DUSE_CURL_FOR_IMAP_SEND
                IMAP_SEND_BUILDDEPS = http.o
                IMAP_SEND_LDFLAGS += $(CURL_LIBCURL)
        endif
        ifndef NO_EXPAT
                ifdef EXPATDIR
                        BASIC_CFLAGS += -I$(EXPATDIR)/include
                        EXPAT_LIBEXPAT = -L$(EXPATDIR)/$(lib) $(CC_LD_DYNPATH)$(EXPATDIR)/$(lib) -lexpat
                else
                        EXPAT_LIBEXPAT = -lexpat
                endif
                ifdef EXPAT_NEEDS_XMLPARSE_H
                        BASIC_CFLAGS += -DEXPAT_NEEDS_XMLPARSE_H
                endif
        endif
endif
IMAP_SEND_LDFLAGS += $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO)

ifdef ZLIB_PATH
        BASIC_CFLAGS += -I$(ZLIB_PATH)/include
        EXTLIBS += -L$(ZLIB_PATH)/$(lib) $(CC_LD_DYNPATH)$(ZLIB_PATH)/$(lib)
endif
EXTLIBS += -lz

ifndef NO_OPENSSL
        OPENSSL_LIBSSL = -lssl
        ifdef OPENSSLDIR
                BASIC_CFLAGS += -I$(OPENSSLDIR)/include
                OPENSSL_LINK = -L$(OPENSSLDIR)/$(lib) $(CC_LD_DYNPATH)$(OPENSSLDIR)/$(lib)
        else
                OPENSSL_LINK =
        endif
        ifdef NEEDS_CRYPTO_WITH_SSL
                OPENSSL_LIBSSL += -lcrypto
        endif
else
        BASIC_CFLAGS += -DNO_OPENSSL
        OPENSSL_LIBSSL =
endif
ifdef NO_OPENSSL
        LIB_4_CRYPTO =
else
ifdef NEEDS_SSL_WITH_CRYPTO
        LIB_4_CRYPTO = $(OPENSSL_LINK) -lcrypto -lssl
else
        LIB_4_CRYPTO = $(OPENSSL_LINK) -lcrypto
endif
ifdef APPLE_COMMON_CRYPTO
        LIB_4_CRYPTO += -framework Security -framework CoreFoundation
endif
endif
ifndef NO_ICONV
        ifdef NEEDS_LIBICONV
                ifdef ICONVDIR
                        BASIC_CFLAGS += -I$(ICONVDIR)/include
                        ICONV_LINK = -L$(ICONVDIR)/$(lib) $(CC_LD_DYNPATH)$(ICONVDIR)/$(lib)
                else
                        ICONV_LINK =
                endif
                ifdef NEEDS_LIBINTL_BEFORE_LIBICONV
                        ICONV_LINK += -lintl
                endif
                EXTLIBS += $(ICONV_LINK) -liconv
        endif
endif
ifdef ICONV_OMITS_BOM
        BASIC_CFLAGS += -DICONV_OMITS_BOM
endif
ifdef NEEDS_LIBGEN
        EXTLIBS += -lgen
endif
ifndef NO_GETTEXT
ifndef LIBC_CONTAINS_LIBINTL
        EXTLIBS += -lintl
endif
endif
ifdef NEEDS_SOCKET
        EXTLIBS += -lsocket
endif
ifdef NEEDS_NSL
        EXTLIBS += -lnsl
endif
ifdef NEEDS_RESOLV
        EXTLIBS += -lresolv
endif
ifdef NO_D_TYPE_IN_DIRENT
        BASIC_CFLAGS += -DNO_D_TYPE_IN_DIRENT
endif
ifdef NO_GECOS_IN_PWENT
        BASIC_CFLAGS += -DNO_GECOS_IN_PWENT
endif
ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
        BASIC_CFLAGS += -DNO_ST_BLOCKS_IN_STRUCT_STAT
endif
ifdef USE_NSEC
        BASIC_CFLAGS += -DUSE_NSEC
endif
ifdef USE_ST_TIMESPEC
        BASIC_CFLAGS += -DUSE_ST_TIMESPEC
endif
ifdef NO_NORETURN
        BASIC_CFLAGS += -DNO_NORETURN
endif
ifdef NO_NSEC
        BASIC_CFLAGS += -DNO_NSEC
endif
ifdef SNPRINTF_RETURNS_BOGUS
        COMPAT_CFLAGS += -DSNPRINTF_RETURNS_BOGUS
        COMPAT_OBJS += compat/snprintf.o
endif
ifdef FREAD_READS_DIRECTORIES
        COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
        COMPAT_OBJS += compat/fopen.o
endif
ifdef NO_SYMLINK_HEAD
        BASIC_CFLAGS += -DNO_SYMLINK_HEAD
endif
ifdef GETTEXT_POISON
$(warning The GETTEXT_POISON option has been removed in favor of runtime GIT_TEST_GETTEXT_POISON. See t/README!)
endif
ifdef NO_GETTEXT
        BASIC_CFLAGS += -DNO_GETTEXT
        USE_GETTEXT_SCHEME ?= fallthrough
endif
ifdef NO_POLL
        NO_POLL_H = YesPlease
        NO_SYS_POLL_H = YesPlease
        COMPAT_CFLAGS += -DNO_POLL -Icompat/poll
        COMPAT_OBJS += compat/poll/poll.o
endif
ifdef NO_STRCASESTR
        COMPAT_CFLAGS += -DNO_STRCASESTR
        COMPAT_OBJS += compat/strcasestr.o
endif
ifdef NO_STRLCPY
        COMPAT_CFLAGS += -DNO_STRLCPY
        COMPAT_OBJS += compat/strlcpy.o
endif
ifdef NO_STRTOUMAX
        COMPAT_CFLAGS += -DNO_STRTOUMAX
        COMPAT_OBJS += compat/strtoumax.o compat/strtoimax.o
endif
ifdef NO_STRTOULL
        COMPAT_CFLAGS += -DNO_STRTOULL
endif
ifdef NO_SETENV
        COMPAT_CFLAGS += -DNO_SETENV
        COMPAT_OBJS += compat/setenv.o
endif
ifdef NO_MKDTEMP
        COMPAT_CFLAGS += -DNO_MKDTEMP
        COMPAT_OBJS += compat/mkdtemp.o
endif
ifdef MKDIR_WO_TRAILING_SLASH
        COMPAT_CFLAGS += -DMKDIR_WO_TRAILING_SLASH
        COMPAT_OBJS += compat/mkdir.o
endif
ifdef NO_UNSETENV
        COMPAT_CFLAGS += -DNO_UNSETENV
        COMPAT_OBJS += compat/unsetenv.o
endif
ifdef NO_SYS_SELECT_H
        BASIC_CFLAGS += -DNO_SYS_SELECT_H
endif
ifdef NO_POLL_H
        BASIC_CFLAGS += -DNO_POLL_H
endif
ifdef NO_SYS_POLL_H
        BASIC_CFLAGS += -DNO_SYS_POLL_H
endif
ifdef NEEDS_SYS_PARAM_H
        BASIC_CFLAGS += -DNEEDS_SYS_PARAM_H
endif
ifdef NO_INTTYPES_H
        BASIC_CFLAGS += -DNO_INTTYPES_H
endif
ifdef NO_INITGROUPS
        BASIC_CFLAGS += -DNO_INITGROUPS
endif
ifdef NO_MMAP
        COMPAT_CFLAGS += -DNO_MMAP
        COMPAT_OBJS += compat/mmap.o
else
        ifdef USE_WIN32_MMAP
                COMPAT_CFLAGS += -DUSE_WIN32_MMAP
                COMPAT_OBJS += compat/win32mmap.o
        endif
endif
ifdef MMAP_PREVENTS_DELETE
        BASIC_CFLAGS += -DMMAP_PREVENTS_DELETE
endif
ifdef OBJECT_CREATION_USES_RENAMES
        COMPAT_CFLAGS += -DOBJECT_CREATION_MODE=1
endif
ifdef NO_STRUCT_ITIMERVAL
        COMPAT_CFLAGS += -DNO_STRUCT_ITIMERVAL
        NO_SETITIMER = YesPlease
endif
ifdef NO_SETITIMER
        COMPAT_CFLAGS += -DNO_SETITIMER
endif
ifdef NO_PREAD
        COMPAT_CFLAGS += -DNO_PREAD
        COMPAT_OBJS += compat/pread.o
endif
ifdef NO_FAST_WORKING_DIRECTORY
        BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY
endif
ifdef NO_TRUSTABLE_FILEMODE
        BASIC_CFLAGS += -DNO_TRUSTABLE_FILEMODE
endif
ifdef NEEDS_MODE_TRANSLATION
        COMPAT_CFLAGS += -DNEEDS_MODE_TRANSLATION
        COMPAT_OBJS += compat/stat.o
endif
ifdef NO_IPV6
        BASIC_CFLAGS += -DNO_IPV6
endif
ifdef NO_INTPTR_T
        COMPAT_CFLAGS += -DNO_INTPTR_T
endif
ifdef NO_UINTMAX_T
        BASIC_CFLAGS += -Duintmax_t=uint32_t
endif
ifdef NO_SOCKADDR_STORAGE
ifdef NO_IPV6
        BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in
else
        BASIC_CFLAGS += -Dsockaddr_storage=sockaddr_in6
endif
endif
ifdef NO_INET_NTOP
        LIB_OBJS += compat/inet_ntop.o
        BASIC_CFLAGS += -DNO_INET_NTOP
endif
ifdef NO_INET_PTON
        LIB_OBJS += compat/inet_pton.o
        BASIC_CFLAGS += -DNO_INET_PTON
endif
ifdef NO_UNIX_SOCKETS
        BASIC_CFLAGS += -DNO_UNIX_SOCKETS
        EXCLUDED_PROGRAMS += git-credential-cache git-credential-cache--daemon
else
        LIB_OBJS += unix-socket.o
        PROGRAM_OBJS += credential-cache.o
        PROGRAM_OBJS += credential-cache--daemon.o
endif

ifdef NO_ICONV
        BASIC_CFLAGS += -DNO_ICONV
endif

ifdef OLD_ICONV
        BASIC_CFLAGS += -DOLD_ICONV
endif

ifdef NO_DEFLATE_BOUND
        BASIC_CFLAGS += -DNO_DEFLATE_BOUND
endif

ifdef NO_POSIX_GOODIES
        BASIC_CFLAGS += -DNO_POSIX_GOODIES
endif

ifdef APPLE_COMMON_CRYPTO
        # Apple CommonCrypto requires chunking
        SHA1_MAX_BLOCK_SIZE = 1024L*1024L*1024L
endif

ifdef OPENSSL_SHA1
        EXTLIBS += $(LIB_4_CRYPTO)
        BASIC_CFLAGS += -DSHA1_OPENSSL
else
ifdef BLK_SHA1
        LIB_OBJS += block-sha1/sha1.o
        BASIC_CFLAGS += -DSHA1_BLK
else
ifdef PPC_SHA1
        LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
        BASIC_CFLAGS += -DSHA1_PPC
else
ifdef APPLE_COMMON_CRYPTO
        COMPAT_CFLAGS += -DCOMMON_DIGEST_FOR_OPENSSL
        BASIC_CFLAGS += -DSHA1_APPLE
else
        DC_SHA1 := YesPlease
        BASIC_CFLAGS += -DSHA1_DC
        LIB_OBJS += sha1dc_git.o
ifdef DC_SHA1_EXTERNAL
        ifdef DC_SHA1_SUBMODULE
                ifneq ($(DC_SHA1_SUBMODULE),auto)
$(error Only set DC_SHA1_EXTERNAL or DC_SHA1_SUBMODULE, not both)
                endif
        endif
        BASIC_CFLAGS += -DDC_SHA1_EXTERNAL
        EXTLIBS += -lsha1detectcoll
else
ifdef DC_SHA1_SUBMODULE
        LIB_OBJS += sha1collisiondetection/lib/sha1.o
        LIB_OBJS += sha1collisiondetection/lib/ubc_check.o
        BASIC_CFLAGS += -DDC_SHA1_SUBMODULE
else
        LIB_OBJS += sha1dc/sha1.o
        LIB_OBJS += sha1dc/ubc_check.o
endif
        BASIC_CFLAGS += \
                -DSHA1DC_NO_STANDARD_INCLUDES \
                -DSHA1DC_INIT_SAFE_HASH_DEFAULT=0 \
                -DSHA1DC_CUSTOM_INCLUDE_SHA1_C="\"cache.h\"" \
                -DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="\"git-compat-util.h\""
endif
endif
endif
endif
endif

ifdef OPENSSL_SHA256
        EXTLIBS += $(LIB_4_CRYPTO)
        BASIC_CFLAGS += -DSHA256_OPENSSL
else
ifdef GCRYPT_SHA256
        BASIC_CFLAGS += -DSHA256_GCRYPT
        EXTLIBS += -lgcrypt
else
        LIB_OBJS += sha256/block/sha256.o
        BASIC_CFLAGS += -DSHA256_BLK
endif
endif

ifdef SHA1_MAX_BLOCK_SIZE
        LIB_OBJS += compat/sha1-chunked.o
        BASIC_CFLAGS += -DSHA1_MAX_BLOCK_SIZE="$(SHA1_MAX_BLOCK_SIZE)"
endif
ifdef NO_HSTRERROR
        COMPAT_CFLAGS += -DNO_HSTRERROR
        COMPAT_OBJS += compat/hstrerror.o
endif
ifdef NO_MEMMEM
        COMPAT_CFLAGS += -DNO_MEMMEM
        COMPAT_OBJS += compat/memmem.o
endif
ifdef NO_GETPAGESIZE
        COMPAT_CFLAGS += -DNO_GETPAGESIZE
endif
ifdef INTERNAL_QSORT
        COMPAT_CFLAGS += -DINTERNAL_QSORT
        COMPAT_OBJS += compat/qsort.o
endif
ifdef HAVE_ISO_QSORT_S
        COMPAT_CFLAGS += -DHAVE_ISO_QSORT_S
else
        COMPAT_OBJS += compat/qsort_s.o
endif
ifdef RUNTIME_PREFIX
        COMPAT_CFLAGS += -DRUNTIME_PREFIX
endif

ifdef NO_PTHREADS
        BASIC_CFLAGS += -DNO_PTHREADS
else
        BASIC_CFLAGS += $(PTHREAD_CFLAGS)
        EXTLIBS += $(PTHREAD_LIBS)
endif

ifdef HAVE_PATHS_H
        BASIC_CFLAGS += -DHAVE_PATHS_H
endif

ifdef HAVE_LIBCHARSET_H
        BASIC_CFLAGS += -DHAVE_LIBCHARSET_H
        EXTLIBS += $(CHARSET_LIB)
endif

ifdef HAVE_STRINGS_H
        BASIC_CFLAGS += -DHAVE_STRINGS_H
endif

ifdef HAVE_DEV_TTY
        BASIC_CFLAGS += -DHAVE_DEV_TTY
endif

ifdef DIR_HAS_BSD_GROUP_SEMANTICS
        COMPAT_CFLAGS += -DDIR_HAS_BSD_GROUP_SEMANTICS
endif
ifdef UNRELIABLE_FSTAT
        BASIC_CFLAGS += -DUNRELIABLE_FSTAT
endif
ifdef NO_REGEX
        COMPAT_CFLAGS += -Icompat/regex
        COMPAT_OBJS += compat/regex/regex.o
endif
ifdef NATIVE_CRLF
        BASIC_CFLAGS += -DNATIVE_CRLF
endif

ifdef USE_NED_ALLOCATOR
        COMPAT_CFLAGS += -Icompat/nedmalloc
        COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
        OVERRIDE_STRDUP = YesPlease
endif

ifdef OVERRIDE_STRDUP
        COMPAT_CFLAGS += -DOVERRIDE_STRDUP
        COMPAT_OBJS += compat/strdup.o
endif

ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
        export GIT_TEST_CMP_USE_COPIED_CONTEXT
endif

ifndef NO_MSGFMT_EXTENDED_OPTIONS
        MSGFMT += --check --statistics
endif

ifdef GMTIME_UNRELIABLE_ERRORS
        COMPAT_OBJS += compat/gmtime.o
        BASIC_CFLAGS += -DGMTIME_UNRELIABLE_ERRORS
endif

ifdef HAVE_CLOCK_GETTIME
        BASIC_CFLAGS += -DHAVE_CLOCK_GETTIME
endif

ifdef HAVE_CLOCK_MONOTONIC
        BASIC_CFLAGS += -DHAVE_CLOCK_MONOTONIC
endif

ifdef NEEDS_LIBRT
        EXTLIBS += -lrt
endif

ifdef HAVE_BSD_SYSCTL
        BASIC_CFLAGS += -DHAVE_BSD_SYSCTL
endif

ifdef HAVE_BSD_KERN_PROC_SYSCTL
        BASIC_CFLAGS += -DHAVE_BSD_KERN_PROC_SYSCTL
endif

ifdef HAVE_GETDELIM
        BASIC_CFLAGS += -DHAVE_GETDELIM
endif

ifneq ($(PROCFS_EXECUTABLE_PATH),)
        procfs_executable_path_SQ = $(subst ','\'',$(PROCFS_EXECUTABLE_PATH))
        BASIC_CFLAGS += '-DPROCFS_EXECUTABLE_PATH="$(procfs_executable_path_SQ)"'
endif

ifdef HAVE_NS_GET_EXECUTABLE_PATH
        BASIC_CFLAGS += -DHAVE_NS_GET_EXECUTABLE_PATH
endif

ifdef HAVE_WPGMPTR
        BASIC_CFLAGS += -DHAVE_WPGMPTR
endif

ifdef FILENO_IS_A_MACRO
        COMPAT_CFLAGS += -DFILENO_IS_A_MACRO
        COMPAT_OBJS += compat/fileno.o
endif

ifdef NEED_ACCESS_ROOT_HANDLER
        COMPAT_CFLAGS += -DNEED_ACCESS_ROOT_HANDLER
        COMPAT_OBJS += compat/access.o
endif

ifeq ($(TCLTK_PATH),)
NO_TCLTK = NoThanks
endif

ifeq ($(PERL_PATH),)
NO_PERL = NoThanks
endif

ifeq ($(PYTHON_PATH),)
NO_PYTHON = NoThanks
endif

ifndef PAGER_ENV
PAGER_ENV = LESS=FRX LV=-c
endif

QUIET_SUBDIR0  = +$(MAKE) -C # space to separate -C and subdir
QUIET_SUBDIR1  =

ifneq ($(findstring w,$(MAKEFLAGS)),w)
PRINT_DIR = --no-print-directory
else # "make -w"
NO_SUBDIR = :
endif

ifneq ($(findstring s,$(MAKEFLAGS)),s)
ifndef V
        QUIET_CC       = @echo '   ' CC $@;
        QUIET_AR       = @echo '   ' AR $@;
        QUIET_LINK     = @echo '   ' LINK $@;
        QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
        QUIET_GEN      = @echo '   ' GEN $@;
        QUIET_LNCP     = @echo '   ' LN/CP $@;
        QUIET_XGETTEXT = @echo '   ' XGETTEXT $@;
        QUIET_MSGFMT   = @echo '   ' MSGFMT $@;
        QUIET_GCOV     = @echo '   ' GCOV $@;
        QUIET_SP       = @echo '   ' SP $<;
        QUIET_HDR      = @echo '   ' HDR $<;
        QUIET_RC       = @echo '   ' RC $@;
        QUIET_SUBDIR0  = +@subdir=
        QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
                         $(MAKE) $(PRINT_DIR) -C $$subdir
        export V
        export QUIET_GEN
        export QUIET_BUILT_IN
endif
endif

ifdef NO_INSTALL_HARDLINKS
        export NO_INSTALL_HARDLINKS
endif

### profile feedback build
#

# Can adjust this to be a global directory if you want to do extended
# data gathering
PROFILE_DIR := $(CURDIR)

ifeq ("$(PROFILE)","GEN")
        BASIC_CFLAGS += -fprofile-generate=$(PROFILE_DIR) -DNO_NORETURN=1
        EXTLIBS += -lgcov
        export CCACHE_DISABLE = t
        V = 1
else
ifneq ("$(PROFILE)","")
        BASIC_CFLAGS += -fprofile-use=$(PROFILE_DIR) -fprofile-correction -DNO_NORETURN=1
        export CCACHE_DISABLE = t
        V = 1
endif
endif

# Shell quote (do not use $(call) to accommodate ancient setups);

ETC_GITCONFIG_SQ = $(subst ','\'',$(ETC_GITCONFIG))
ETC_GITATTRIBUTES_SQ = $(subst ','\'',$(ETC_GITATTRIBUTES))

DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
mandir_SQ = $(subst ','\'',$(mandir))
mandir_relative_SQ = $(subst ','\'',$(mandir_relative))
infodir_relative_SQ = $(subst ','\'',$(infodir_relative))
perllibdir_SQ = $(subst ','\'',$(perllibdir))
localedir_SQ = $(subst ','\'',$(localedir))
localedir_relative_SQ = $(subst ','\'',$(localedir_relative))
gitexecdir_SQ = $(subst ','\'',$(gitexecdir))
gitexecdir_relative_SQ = $(subst ','\'',$(gitexecdir_relative))
template_dir_SQ = $(subst ','\'',$(template_dir))
htmldir_relative_SQ = $(subst ','\'',$(htmldir_relative))
prefix_SQ = $(subst ','\'',$(prefix))
perllibdir_relative_SQ = $(subst ','\'',$(perllibdir_relative))
gitwebdir_SQ = $(subst ','\'',$(gitwebdir))

SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
TEST_SHELL_PATH_SQ = $(subst ','\'',$(TEST_SHELL_PATH))
PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))
PYTHON_PATH_SQ = $(subst ','\'',$(PYTHON_PATH))
TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
DIFF_SQ = $(subst ','\'',$(DIFF))
PERLLIB_EXTRA_SQ = $(subst ','\'',$(PERLLIB_EXTRA))

# RUNTIME_PREFIX's resolution logic requires resource paths to be expressed
# relative to each other and share an installation path.
#
# This is a dependency in:
# - Git's binary RUNTIME_PREFIX logic in (see "exec_cmd.c").
# - The runtime prefix Perl header (see
#   "perl/header_templates/runtime_prefix.template.pl").
ifdef RUNTIME_PREFIX

ifneq ($(filter /%,$(firstword $(gitexecdir_relative))),)
$(error RUNTIME_PREFIX requires a relative gitexecdir, not: $(gitexecdir))
endif

ifneq ($(filter /%,$(firstword $(localedir_relative))),)
$(error RUNTIME_PREFIX requires a relative localedir, not: $(localedir))
endif

ifndef NO_PERL
ifneq ($(filter /%,$(firstword $(perllibdir_relative))),)
$(error RUNTIME_PREFIX requires a relative perllibdir, not: $(perllibdir))
endif
endif

endif

# We must filter out any object files from $(GITLIBS),
# as it is typically used like:
#
#   foo: foo.o $(GITLIBS)
#       $(CC) $(filter %.o,$^) $(LIBS)
#
# where we use it as a dependency. Since we also pull object files
# from the dependency list, that would make each entry appear twice.
LIBS = $(filter-out %.o, $(GITLIBS)) $(EXTLIBS)

BASIC_CFLAGS += $(COMPAT_CFLAGS)
LIB_OBJS += $(COMPAT_OBJS)

# Quote for C

ifdef DEFAULT_EDITOR
DEFAULT_EDITOR_CQ = "$(subst ",\",$(subst \,\\,$(DEFAULT_EDITOR)))"
DEFAULT_EDITOR_CQ_SQ = $(subst ','\'',$(DEFAULT_EDITOR_CQ))

BASIC_CFLAGS += -DDEFAULT_EDITOR='$(DEFAULT_EDITOR_CQ_SQ)'
endif

ifdef DEFAULT_PAGER
DEFAULT_PAGER_CQ = "$(subst ",\",$(subst \,\\,$(DEFAULT_PAGER)))"
DEFAULT_PAGER_CQ_SQ = $(subst ','\'',$(DEFAULT_PAGER_CQ))

BASIC_CFLAGS += -DDEFAULT_PAGER='$(DEFAULT_PAGER_CQ_SQ)'
endif

ifdef SHELL_PATH
SHELL_PATH_CQ = "$(subst ",\",$(subst \,\\,$(SHELL_PATH)))"
SHELL_PATH_CQ_SQ = $(subst ','\'',$(SHELL_PATH_CQ))

BASIC_CFLAGS += -DSHELL_PATH='$(SHELL_PATH_CQ_SQ)'
endif

GIT_USER_AGENT_SQ = $(subst ','\'',$(GIT_USER_AGENT))
GIT_USER_AGENT_CQ = "$(subst ",\",$(subst \,\\,$(GIT_USER_AGENT)))"
GIT_USER_AGENT_CQ_SQ = $(subst ','\'',$(GIT_USER_AGENT_CQ))
GIT-USER-AGENT: FORCE
        @if test x'$(GIT_USER_AGENT_SQ)' != x"`cat GIT-USER-AGENT 2>/dev/null`"; then \
                echo '$(GIT_USER_AGENT_SQ)' >GIT-USER-AGENT; \
        fi

ifdef DEFAULT_HELP_FORMAT
BASIC_CFLAGS += -DDEFAULT_HELP_FORMAT='"$(DEFAULT_HELP_FORMAT)"'
endif

PAGER_ENV_SQ = $(subst ','\'',$(PAGER_ENV))
PAGER_ENV_CQ = "$(subst ",\",$(subst \,\\,$(PAGER_ENV)))"
PAGER_ENV_CQ_SQ = $(subst ','\'',$(PAGER_ENV_CQ))
BASIC_CFLAGS += -DPAGER_ENV='$(PAGER_ENV_CQ_SQ)'

ALL_CFLAGS += $(BASIC_CFLAGS)
ALL_LDFLAGS += $(BASIC_LDFLAGS)

export DIFF TAR INSTALL DESTDIR SHELL_PATH


### Build rules

SHELL = $(SHELL_PATH)

all:: shell_compatibility_test

ifeq "$(PROFILE)" "BUILD"
all:: profile
endif

profile:: profile-clean
        $(MAKE) PROFILE=GEN all
        $(MAKE) PROFILE=GEN -j1 test
        @if test -n "$$GIT_PERF_REPO" || test -d .git; then \
                $(MAKE) PROFILE=GEN -j1 perf; \
        else \
                echo "Skipping profile of perf tests..."; \
        fi
        $(MAKE) PROFILE=USE all

profile-fast: profile-clean
        $(MAKE) PROFILE=GEN all
        $(MAKE) PROFILE=GEN -j1 perf
        $(MAKE) PROFILE=USE all


all:: $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS
ifneq (,$X)
        $(QUIET_BUILT_IN)$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test -d '$p' -o '$p' -ef '$p$X' || $(RM) '$p';)
endif

all::
ifndef NO_TCLTK
        $(QUIET_SUBDIR0)git-gui $(QUIET_SUBDIR1) gitexecdir='$(gitexec_instdir_SQ)' all
        $(QUIET_SUBDIR0)gitk-git $(QUIET_SUBDIR1) all
endif
        $(QUIET_SUBDIR0)templates $(QUIET_SUBDIR1) SHELL_PATH='$(SHELL_PATH_SQ)' PERL_PATH='$(PERL_PATH_SQ)'

please_set_SHELL_PATH_to_a_more_modern_shell:
        @$$(:)

shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell

strip: $(PROGRAMS) git$X
        $(STRIP) $(STRIP_OPTS) $^

### Target-specific flags and dependencies

# The generic compilation pattern rule and automatically
# computed header dependencies (falling back to a dependency on
# LIB_H) are enough to describe how most targets should be built,
# but some targets are special enough to need something a little
# different.
#
# - When a source file "foo.c" #includes a generated header file,
#   we need to list that dependency for the "foo.o" target.
#
#   We also list it from other targets that are built from foo.c
#   like "foo.sp" and "foo.s", even though that is easy to forget
#   to do because the generated header is already present around
#   after a regular build attempt.
#
# - Some code depends on configuration kept in makefile
#   variables. The target-specific variable EXTRA_CPPFLAGS can
#   be used to convey that information to the C preprocessor
#   using -D options.
#
#   The "foo.o" target should have a corresponding dependency on
#   a file that changes when the value of the makefile variable
#   changes.  For example, targets making use of the
#   $(GIT_VERSION) variable depend on GIT-VERSION-FILE.
#
#   Technically the ".sp" and ".s" targets do not need this
#   dependency because they are force-built, but they get the
#   same dependency for consistency. This way, you do not have to
#   know how each target is implemented. And it means the
#   dependencies here will not need to change if the force-build
#   details change some day.

git.sp git.s git.o: GIT-PREFIX
git.sp git.s git.o: EXTRA_CPPFLAGS = \
        '-DGIT_HTML_PATH="$(htmldir_relative_SQ)"' \
        '-DGIT_MAN_PATH="$(mandir_relative_SQ)"' \
        '-DGIT_INFO_PATH="$(infodir_relative_SQ)"'

git$X: git.o GIT-LDFLAGS $(BUILTIN_OBJS) $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) \
                $(filter %.o,$^) $(LIBS)

help.sp help.s help.o: command-list.h

builtin/help.sp builtin/help.s builtin/help.o: command-list.h GIT-PREFIX
builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
        '-DGIT_HTML_PATH="$(htmldir_relative_SQ)"' \
        '-DGIT_MAN_PATH="$(mandir_relative_SQ)"' \
        '-DGIT_INFO_PATH="$(infodir_relative_SQ)"'

version.sp version.s version.o: GIT-VERSION-FILE GIT-USER-AGENT
version.sp version.s version.o: EXTRA_CPPFLAGS = \
        '-DGIT_VERSION="$(GIT_VERSION)"' \
        '-DGIT_USER_AGENT=$(GIT_USER_AGENT_CQ_SQ)' \
        '-DGIT_BUILT_FROM_COMMIT="$(shell \
                GIT_CEILING_DIRECTORIES="$(CURDIR)/.." \
                git rev-parse -q --verify HEAD 2>/dev/null)"'

$(BUILT_INS): git$X
        $(QUIET_BUILT_IN)$(RM) $@ && \
        ln $< $@ 2>/dev/null || \
        ln -s $< $@ 2>/dev/null || \
        cp $< $@

command-list.h: generate-cmdlist.sh command-list.txt

command-list.h: $(wildcard Documentation/git*.txt) Documentation/*config.txt Documentation/config/*.txt
        $(QUIET_GEN)$(SHELL_PATH) ./generate-cmdlist.sh \
                $(patsubst %,--exclude-program %,$(EXCLUDED_PROGRAMS)) \
                command-list.txt >$@+ && mv $@+ $@

SCRIPT_DEFINES = $(SHELL_PATH_SQ):$(DIFF_SQ):$(GIT_VERSION):\
        $(localedir_SQ):$(NO_CURL):$(USE_GETTEXT_SCHEME):$(SANE_TOOL_PATH_SQ):\
        $(gitwebdir_SQ):$(PERL_PATH_SQ):$(SANE_TEXT_GREP):$(PAGER_ENV):\
        $(perllibdir_SQ)
define cmd_munge_script
$(RM) $@ $@+ && \
sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
    -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
    -e 's|@@DIFF@@|$(DIFF_SQ)|' \
    -e 's|@@LOCALEDIR@@|$(localedir_SQ)|g' \
    -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
    -e 's/@@USE_GETTEXT_SCHEME@@/$(USE_GETTEXT_SCHEME)/g' \
    -e $(BROKEN_PATH_FIX) \
    -e 's|@@GITWEBDIR@@|$(gitwebdir_SQ)|g' \
    -e 's|@@PERL@@|$(PERL_PATH_SQ)|g' \
    -e 's|@@SANE_TEXT_GREP@@|$(SANE_TEXT_GREP)|g' \
    -e 's|@@PAGER_ENV@@|$(PAGER_ENV_SQ)|g' \
    $@.sh >$@+
endef

GIT-SCRIPT-DEFINES: FORCE
        @FLAGS='$(SCRIPT_DEFINES)'; \
            if test x"$$FLAGS" != x"`cat $@ 2>/dev/null`" ; then \
                echo >&2 "    * new script parameters"; \
                echo "$$FLAGS" >$@; \
            fi


$(SCRIPT_SH_GEN) : % : %.sh GIT-SCRIPT-DEFINES
        $(QUIET_GEN)$(cmd_munge_script) && \
        chmod +x $@+ && \
        mv $@+ $@

$(SCRIPT_LIB) : % : %.sh GIT-SCRIPT-DEFINES
        $(QUIET_GEN)$(cmd_munge_script) && \
        mv $@+ $@

git.res: git.rc GIT-VERSION-FILE GIT-PREFIX
        $(QUIET_RC)$(RC) \
          $(join -DMAJOR= -DMINOR= -DMICRO= -DPATCHLEVEL=, $(wordlist 1, 4, \
            $(shell echo $(GIT_VERSION) 0 0 0 0 | tr '.a-zA-Z-' ' '))) \
          -DGIT_VERSION="\\\"$(GIT_VERSION)\\\"" -i $< -o $@

# This makes sure we depend on the NO_PERL setting itself.
$(SCRIPT_PERL_GEN): GIT-BUILD-OPTIONS

# Used for substitution in Perl modules. Disabled when using RUNTIME_PREFIX
# since the locale directory is injected.
perl_localedir_SQ = $(localedir_SQ)

ifndef NO_PERL
PERL_HEADER_TEMPLATE = perl/header_templates/fixed_prefix.template.pl
PERL_DEFINES = $(PERL_PATH_SQ):$(PERLLIB_EXTRA_SQ):$(perllibdir_SQ)

PERL_DEFINES := $(PERL_PATH_SQ) $(PERLLIB_EXTRA_SQ) $(perllibdir_SQ)
PERL_DEFINES += $(RUNTIME_PREFIX)

# Support Perl runtime prefix. In this mode, a different header is installed
# into Perl scripts.
ifdef RUNTIME_PREFIX

PERL_HEADER_TEMPLATE = perl/header_templates/runtime_prefix.template.pl

# Don't export a fixed $(localedir) path; it will be resolved by the Perl header
# at runtime.
perl_localedir_SQ =

endif

PERL_DEFINES += $(gitexecdir) $(perllibdir) $(localedir)

$(SCRIPT_PERL_GEN): % : %.perl GIT-PERL-DEFINES GIT-PERL-HEADER GIT-VERSION-FILE
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1{' \
            -e '        s|#!.*perl|#!$(PERL_PATH_SQ)|' \
            -e '        r GIT-PERL-HEADER' \
            -e '        G' \
            -e '}' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            $< >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@

PERL_DEFINES := $(subst $(space),:,$(PERL_DEFINES))
GIT-PERL-DEFINES: FORCE
        @FLAGS='$(PERL_DEFINES)'; \
            if test x"$$FLAGS" != x"`cat $@ 2>/dev/null`" ; then \
                echo >&2 "    * new perl-specific parameters"; \
                echo "$$FLAGS" >$@; \
            fi

GIT-PERL-HEADER: $(PERL_HEADER_TEMPLATE) GIT-PERL-DEFINES Makefile
        $(QUIET_GEN)$(RM) $@ && \
        INSTLIBDIR='$(perllibdir_SQ)' && \
        INSTLIBDIR_EXTRA='$(PERLLIB_EXTRA_SQ)' && \
        INSTLIBDIR="$$INSTLIBDIR$${INSTLIBDIR_EXTRA:+:$$INSTLIBDIR_EXTRA}" && \
        sed -e 's=@@PATHSEP@@=$(pathsep)=g' \
            -e "s=@@INSTLIBDIR@@=$$INSTLIBDIR=g" \
            -e 's=@@PERLLIBDIR_REL@@=$(perllibdir_relative_SQ)=g' \
            -e 's=@@GITEXECDIR_REL@@=$(gitexecdir_relative_SQ)=g' \
            -e 's=@@LOCALEDIR_REL@@=$(localedir_relative_SQ)=g' \
            $< >$@+ && \
        mv $@+ $@

.PHONY: perllibdir
perllibdir:
        @echo '$(perllibdir_SQ)'

.PHONY: gitweb
gitweb:
        $(QUIET_SUBDIR0)gitweb $(QUIET_SUBDIR1) all

git-instaweb: git-instaweb.sh GIT-SCRIPT-DEFINES
        $(QUIET_GEN)$(cmd_munge_script) && \
        chmod +x $@+ && \
        mv $@+ $@
else # NO_PERL
$(SCRIPT_PERL_GEN) git-instaweb: % : unimplemented.sh
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's|@@REASON@@|NO_PERL=$(NO_PERL)|g' \
            unimplemented.sh >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@
endif # NO_PERL

# This makes sure we depend on the NO_PYTHON setting itself.
$(SCRIPT_PYTHON_GEN): GIT-BUILD-OPTIONS

ifndef NO_PYTHON
$(SCRIPT_PYTHON_GEN): GIT-CFLAGS GIT-PREFIX GIT-PYTHON-VARS
$(SCRIPT_PYTHON_GEN): % : %.py
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*python|#!$(PYTHON_PATH_SQ)|' \
            $< >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@
else # NO_PYTHON
$(SCRIPT_PYTHON_GEN): % : unimplemented.sh
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's|@@REASON@@|NO_PYTHON=$(NO_PYTHON)|g' \
            unimplemented.sh >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@
endif # NO_PYTHON

CONFIGURE_RECIPE = $(RM) configure configure.ac+ && \
                   sed -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
                        configure.ac >configure.ac+ && \
                   autoconf -o configure configure.ac+ && \
                   $(RM) configure.ac+

configure: configure.ac GIT-VERSION-FILE
        $(QUIET_GEN)$(CONFIGURE_RECIPE)

ifdef AUTOCONFIGURED
# We avoid depending on 'configure' here, because it gets rebuilt
# every time GIT-VERSION-FILE is modified, only to update the embedded
# version number string, which config.status does not care about.  We
# do want to recheck when the platform/environment detection logic
# changes, hence this depends on configure.ac.
config.status: configure.ac
        $(QUIET_GEN)$(CONFIGURE_RECIPE) && \
        if test -f config.status; then \
          ./config.status --recheck; \
        else \
          ./configure; \
        fi
reconfigure config.mak.autogen: config.status
        $(QUIET_GEN)./config.status
.PHONY: reconfigure # This is a convenience target.
endif

XDIFF_OBJS += xdiff/xdiffi.o
XDIFF_OBJS += xdiff/xprepare.o
XDIFF_OBJS += xdiff/xutils.o
XDIFF_OBJS += xdiff/xemit.o
XDIFF_OBJS += xdiff/xmerge.o
XDIFF_OBJS += xdiff/xpatience.o
XDIFF_OBJS += xdiff/xhistogram.o

VCSSVN_OBJS += vcs-svn/line_buffer.o
VCSSVN_OBJS += vcs-svn/sliding_window.o
VCSSVN_OBJS += vcs-svn/fast_export.o
VCSSVN_OBJS += vcs-svn/svndiff.o
VCSSVN_OBJS += vcs-svn/svndump.o

TEST_OBJS := $(patsubst %$X,%.o,$(TEST_PROGRAMS)) $(patsubst %,t/helper/%,$(TEST_BUILTINS_OBJS))
OBJECTS := $(LIB_OBJS) $(BUILTIN_OBJS) $(PROGRAM_OBJS) $(TEST_OBJS) \
        $(XDIFF_OBJS) \
        $(VCSSVN_OBJS) \
        $(FUZZ_OBJS) \
        common-main.o \
        git.o
ifndef NO_CURL
        OBJECTS += http.o http-walker.o remote-curl.o
endif

dep_files := $(foreach f,$(OBJECTS),$(dir $f).depend/$(notdir $f).d)
dep_dirs := $(addsuffix .depend,$(sort $(dir $(OBJECTS))))

ifeq ($(COMPUTE_HEADER_DEPENDENCIES),yes)
$(dep_dirs):
        @mkdir -p $@

missing_dep_dirs := $(filter-out $(wildcard $(dep_dirs)),$(dep_dirs))
dep_file = $(dir $@).depend/$(notdir $@).d
dep_args = -MF $(dep_file) -MQ $@ -MMD -MP
endif

ifneq ($(COMPUTE_HEADER_DEPENDENCIES),yes)
dep_dirs =
missing_dep_dirs =
dep_args =
endif

ASM_SRC := $(wildcard $(OBJECTS:o=S))
ASM_OBJ := $(ASM_SRC:S=o)
C_OBJ := $(filter-out $(ASM_OBJ),$(OBJECTS))

.SUFFIXES:

$(C_OBJ): %.o: %.c GIT-CFLAGS $(missing_dep_dirs)
        $(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $<
$(ASM_OBJ): %.o: %.S GIT-CFLAGS $(missing_dep_dirs)
        $(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $<

%.s: %.c GIT-CFLAGS FORCE
        $(QUIET_CC)$(CC) -o $@ -S $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) $<

ifdef USE_COMPUTED_HEADER_DEPENDENCIES
# Take advantage of gcc's on-the-fly dependency generation
# See <http://gcc.gnu.org/gcc-3.0/features.html>.
dep_files_present := $(wildcard $(dep_files))
ifneq ($(dep_files_present),)
include $(dep_files_present)
endif
else
# Dependencies on header files, for platforms that do not support
# the gcc -MMD option.
#
# Dependencies on automatically generated headers such as command-list.h
# should _not_ be included here, since they are necessary even when
# building an object for the first time.

$(OBJECTS): $(LIB_H) $(GENERATED_H)
endif

exec-cmd.sp exec-cmd.s exec-cmd.o: GIT-PREFIX
exec-cmd.sp exec-cmd.s exec-cmd.o: EXTRA_CPPFLAGS = \
        '-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \
        '-DGIT_LOCALE_PATH="$(localedir_relative_SQ)"' \
        '-DBINDIR="$(bindir_relative_SQ)"' \
        '-DFALLBACK_RUNTIME_PREFIX="$(prefix_SQ)"'

builtin/init-db.sp builtin/init-db.s builtin/init-db.o: GIT-PREFIX
builtin/init-db.sp builtin/init-db.s builtin/init-db.o: EXTRA_CPPFLAGS = \
        -DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"'

config.sp config.s config.o: GIT-PREFIX
config.sp config.s config.o: EXTRA_CPPFLAGS = \
        -DETC_GITCONFIG='"$(ETC_GITCONFIG_SQ)"'

attr.sp attr.s attr.o: GIT-PREFIX
attr.sp attr.s attr.o: EXTRA_CPPFLAGS = \
        -DETC_GITATTRIBUTES='"$(ETC_GITATTRIBUTES_SQ)"'

gettext.sp gettext.s gettext.o: GIT-PREFIX
gettext.sp gettext.s gettext.o: EXTRA_CPPFLAGS = \
        -DGIT_LOCALE_PATH='"$(localedir_relative_SQ)"'

http-push.sp http.sp http-walker.sp remote-curl.sp imap-send.sp: SP_EXTRA_FLAGS += \
        -DCURL_DISABLE_TYPECHECK

pack-revindex.sp: SP_EXTRA_FLAGS += -Wno-memcpy-max-count

ifdef NO_EXPAT
http-walker.sp http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
endif

ifdef NO_REGEX
compat/regex/regex.sp compat/regex/regex.o: EXTRA_CPPFLAGS = \
        -DGAWK -DNO_MBSUPPORT
endif

ifdef USE_NED_ALLOCATOR
compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
        -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR
compat/nedmalloc/nedmalloc.sp: SP_EXTRA_FLAGS += -Wno-non-pointer-null
endif

git-%$X: %.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)

git-imap-send$X: imap-send.o $(IMAP_SEND_BUILDDEPS) GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(IMAP_SEND_LDFLAGS) $(LIBS)

git-http-fetch$X: http.o http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(CURL_LIBCURL) $(LIBS)
git-http-push$X: http.o http-push.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(CURL_LIBCURL) $(EXPAT_LIBEXPAT) $(LIBS)

git-remote-testsvn$X: remote-testsvn.o GIT-LDFLAGS $(GITLIBS) $(VCSSVN_LIB)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS) \
        $(VCSSVN_LIB)

$(REMOTE_CURL_ALIASES): $(REMOTE_CURL_PRIMARY)
        $(QUIET_LNCP)$(RM) $@ && \
        ln $< $@ 2>/dev/null || \
        ln -s $< $@ 2>/dev/null || \
        cp $< $@

$(REMOTE_CURL_PRIMARY): remote-curl.o http.o http-walker.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(CURL_LIBCURL) $(EXPAT_LIBEXPAT) $(LIBS)

$(LIB_FILE): $(LIB_OBJS)
        $(QUIET_AR)$(RM) $@ && $(AR) $(ARFLAGS) $@ $^

$(XDIFF_LIB): $(XDIFF_OBJS)
        $(QUIET_AR)$(RM) $@ && $(AR) $(ARFLAGS) $@ $^

$(VCSSVN_LIB): $(VCSSVN_OBJS)
        $(QUIET_AR)$(RM) $@ && $(AR) $(ARFLAGS) $@ $^

export DEFAULT_EDITOR DEFAULT_PAGER

Documentation/GIT-EXCLUDED-PROGRAMS: FORCE
        @EXCLUDED='EXCLUDED_PROGRAMS := $(EXCLUDED_PROGRAMS)'; \
            if test x"$$EXCLUDED" != \
                x"`cat Documentation/GIT-EXCLUDED-PROGRAMS 2>/dev/null`" ; then \
                echo >&2 "    * new documentation flags"; \
                echo "$$EXCLUDED" >Documentation/GIT-EXCLUDED-PROGRAMS; \
            fi

.PHONY: doc man man-perl html info pdf
doc: man-perl
        $(MAKE) -C Documentation all

man: man-perl
        $(MAKE) -C Documentation man

man-perl: perl/build/man/man3/Git.3pm

html:
        $(MAKE) -C Documentation html

info:
        $(MAKE) -C Documentation info

pdf:
        $(MAKE) -C Documentation pdf

XGETTEXT_FLAGS = \
        --force-po \
        --add-comments=TRANSLATORS: \
        --msgid-bugs-address="Git Mailing List <git@vger.kernel.org>" \
        --from-code=UTF-8
XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --language=C \
        --keyword=_ --keyword=N_ --keyword="Q_:1,2"
XGETTEXT_FLAGS_SH = $(XGETTEXT_FLAGS) --language=Shell \
        --keyword=gettextln --keyword=eval_gettextln
XGETTEXT_FLAGS_PERL = $(XGETTEXT_FLAGS) --language=Perl \
        --keyword=__ --keyword=N__ --keyword="__n:1,2"
LOCALIZED_C = $(C_OBJ:o=c) $(LIB_H) $(GENERATED_H)
LOCALIZED_SH = $(SCRIPT_SH)
LOCALIZED_SH += git-parse-remote.sh
LOCALIZED_SH += git-rebase--preserve-merges.sh
LOCALIZED_SH += git-sh-setup.sh
LOCALIZED_PERL = $(SCRIPT_PERL)

ifdef XGETTEXT_INCLUDE_TESTS
LOCALIZED_C += t/t0200/test.c
LOCALIZED_SH += t/t0200/test.sh
LOCALIZED_PERL += t/t0200/test.perl
endif

## Note that this is meant to be run only by the localization coordinator
## under a very controlled condition, i.e. (1) it is to be run in a
## Git repository (not a tarball extract), (2) any local modifications
## will be lost.
## Gettext tools cannot work with our own custom PRItime type, so
## we replace PRItime with PRIuMAX.  We need to update this to
## PRIdMAX if we switch to a signed type later.

po/git.pot: $(GENERATED_H) FORCE
        # All modifications will be reverted at the end, so we do not
        # want to have any local change.
        git diff --quiet HEAD && git diff --quiet --cached

        @for s in $(LOCALIZED_C) $(LOCALIZED_SH) $(LOCALIZED_PERL); \
        do \
                sed -e 's|PRItime|PRIuMAX|g' <"$$s" >"$$s+" && \
                cat "$$s+" >"$$s" && rm "$$s+"; \
        done

        $(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ $(XGETTEXT_FLAGS_C) $(LOCALIZED_C)
        $(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_SH) \
                $(LOCALIZED_SH)
        $(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_PERL) \
                $(LOCALIZED_PERL)

        # Reverting the munged source, leaving only the updated $@
        git reset --hard
        mv $@+ $@

.PHONY: pot
pot: po/git.pot

POFILES := $(wildcard po/*.po)
MOFILES := $(patsubst po/%.po,po/build/locale/%/LC_MESSAGES/git.mo,$(POFILES))

ifndef NO_GETTEXT
all:: $(MOFILES)
endif

po/build/locale/%/LC_MESSAGES/git.mo: po/%.po
        $(QUIET_MSGFMT)mkdir -p $(dir $@) && $(MSGFMT) -o $@ $<

LIB_PERL := $(wildcard perl/Git.pm perl/Git/*.pm perl/Git/*/*.pm perl/Git/*/*/*.pm)
LIB_PERL_GEN := $(patsubst perl/%.pm,perl/build/lib/%.pm,$(LIB_PERL))
LIB_CPAN := $(wildcard perl/FromCPAN/*.pm perl/FromCPAN/*/*.pm)
LIB_CPAN_GEN := $(patsubst perl/%.pm,perl/build/lib/%.pm,$(LIB_CPAN))

ifndef NO_PERL
all:: $(LIB_PERL_GEN)
ifndef NO_PERL_CPAN_FALLBACKS
all:: $(LIB_CPAN_GEN)
endif
NO_PERL_CPAN_FALLBACKS_SQ = $(subst ','\'',$(NO_PERL_CPAN_FALLBACKS))
endif

perl/build/lib/%.pm: perl/%.pm
        $(QUIET_GEN)mkdir -p $(dir $@) && \
        sed -e 's|@@LOCALEDIR@@|$(perl_localedir_SQ)|g' \
            -e 's|@@NO_PERL_CPAN_FALLBACKS@@|$(NO_PERL_CPAN_FALLBACKS_SQ)|g' \
        < $< > $@

perl/build/man/man3/Git.3pm: perl/Git.pm
        $(QUIET_GEN)mkdir -p $(dir $@) && \
        pod2man $< $@

FIND_SOURCE_FILES = ( \
        git ls-files \
                '*.[hcS]' \
                '*.sh' \
                ':!*[tp][0-9][0-9][0-9][0-9]*' \
                ':!contrib' \
                2>/dev/null || \
        $(FIND) . \
                \( -name .git -type d -prune \) \
                -o \( -name '[tp][0-9][0-9][0-9][0-9]*' -prune \) \
                -o \( -name contrib -type d -prune \) \
                -o \( -name build -type d -prune \) \
                -o \( -name 'trash*' -type d -prune \) \
                -o \( -name '*.[hcS]' -type f -print \) \
                -o \( -name '*.sh' -type f -print \) \
        )

$(ETAGS_TARGET): FORCE
        $(RM) $(ETAGS_TARGET)
        $(FIND_SOURCE_FILES) | xargs etags -a -o $(ETAGS_TARGET)

tags: FORCE
        $(RM) tags
        $(FIND_SOURCE_FILES) | xargs ctags -a

cscope:
        $(RM) cscope*
        $(FIND_SOURCE_FILES) | xargs cscope -b

### Detect prefix changes
TRACK_PREFIX = $(bindir_SQ):$(gitexecdir_SQ):$(template_dir_SQ):$(prefix_SQ):\
                $(localedir_SQ)

GIT-PREFIX: FORCE
        @FLAGS='$(TRACK_PREFIX)'; \
        if test x"$$FLAGS" != x"`cat GIT-PREFIX 2>/dev/null`" ; then \
                echo >&2 "    * new prefix flags"; \
                echo "$$FLAGS" >GIT-PREFIX; \
        fi

TRACK_CFLAGS = $(CC):$(subst ','\'',$(ALL_CFLAGS)):$(USE_GETTEXT_SCHEME)

GIT-CFLAGS: FORCE
        @FLAGS='$(TRACK_CFLAGS)'; \
            if test x"$$FLAGS" != x"`cat GIT-CFLAGS 2>/dev/null`" ; then \
                echo >&2 "    * new build flags"; \
                echo "$$FLAGS" >GIT-CFLAGS; \
            fi

TRACK_LDFLAGS = $(subst ','\'',$(ALL_LDFLAGS))

GIT-LDFLAGS: FORCE
        @FLAGS='$(TRACK_LDFLAGS)'; \
            if test x"$$FLAGS" != x"`cat GIT-LDFLAGS 2>/dev/null`" ; then \
                echo >&2 "    * new link flags"; \
                echo "$$FLAGS" >GIT-LDFLAGS; \
            fi

# We need to apply sq twice, once to protect from the shell
# that runs GIT-BUILD-OPTIONS, and then again to protect it
# and the first level quoting from the shell that runs "echo".
GIT-BUILD-OPTIONS: FORCE
        @echo SHELL_PATH=\''$(subst ','\'',$(SHELL_PATH_SQ))'\' >$@+
        @echo TEST_SHELL_PATH=\''$(subst ','\'',$(TEST_SHELL_PATH_SQ))'\' >>$@+
        @echo PERL_PATH=\''$(subst ','\'',$(PERL_PATH_SQ))'\' >>$@+
        @echo DIFF=\''$(subst ','\'',$(subst ','\'',$(DIFF)))'\' >>$@+
        @echo PYTHON_PATH=\''$(subst ','\'',$(PYTHON_PATH_SQ))'\' >>$@+
        @echo TAR=\''$(subst ','\'',$(subst ','\'',$(TAR)))'\' >>$@+
        @echo NO_CURL=\''$(subst ','\'',$(subst ','\'',$(NO_CURL)))'\' >>$@+
        @echo NO_EXPAT=\''$(subst ','\'',$(subst ','\'',$(NO_EXPAT)))'\' >>$@+
        @echo USE_LIBPCRE1=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE1)))'\' >>$@+
        @echo USE_LIBPCRE2=\''$(subst ','\'',$(subst ','\'',$(USE_LIBPCRE2)))'\' >>$@+
        @echo NO_LIBPCRE1_JIT=\''$(subst ','\'',$(subst ','\'',$(NO_LIBPCRE1_JIT)))'\' >>$@+
        @echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@+
        @echo NO_PTHREADS=\''$(subst ','\'',$(subst ','\'',$(NO_PTHREADS)))'\' >>$@+
        @echo NO_PYTHON=\''$(subst ','\'',$(subst ','\'',$(NO_PYTHON)))'\' >>$@+
        @echo NO_UNIX_SOCKETS=\''$(subst ','\'',$(subst ','\'',$(NO_UNIX_SOCKETS)))'\' >>$@+
        @echo PAGER_ENV=\''$(subst ','\'',$(subst ','\'',$(PAGER_ENV)))'\' >>$@+
        @echo DC_SHA1=\''$(subst ','\'',$(subst ','\'',$(DC_SHA1)))'\' >>$@+
        @echo X=\'$(X)\' >>$@+
ifdef TEST_OUTPUT_DIRECTORY
        @echo TEST_OUTPUT_DIRECTORY=\''$(subst ','\'',$(subst ','\'',$(TEST_OUTPUT_DIRECTORY)))'\' >>$@+
endif
ifdef GIT_TEST_OPTS
        @echo GIT_TEST_OPTS=\''$(subst ','\'',$(subst ','\'',$(GIT_TEST_OPTS)))'\' >>$@+
endif
ifdef GIT_TEST_CMP
        @echo GIT_TEST_CMP=\''$(subst ','\'',$(subst ','\'',$(GIT_TEST_CMP)))'\' >>$@+
endif
ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
        @echo GIT_TEST_CMP_USE_COPIED_CONTEXT=YesPlease >>$@+
endif
        @echo NO_GETTEXT=\''$(subst ','\'',$(subst ','\'',$(NO_GETTEXT)))'\' >>$@+
ifdef GIT_PERF_REPEAT_COUNT
        @echo GIT_PERF_REPEAT_COUNT=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_REPEAT_COUNT)))'\' >>$@+
endif
ifdef GIT_PERF_REPO
        @echo GIT_PERF_REPO=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_REPO)))'\' >>$@+
endif
ifdef GIT_PERF_LARGE_REPO
        @echo GIT_PERF_LARGE_REPO=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_LARGE_REPO)))'\' >>$@+
endif
ifdef GIT_PERF_MAKE_OPTS
        @echo GIT_PERF_MAKE_OPTS=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_MAKE_OPTS)))'\' >>$@+
endif
ifdef GIT_PERF_MAKE_COMMAND
        @echo GIT_PERF_MAKE_COMMAND=\''$(subst ','\'',$(subst ','\'',$(GIT_PERF_MAKE_COMMAND)))'\' >>$@+
endif
ifdef GIT_INTEROP_MAKE_OPTS
        @echo GIT_INTEROP_MAKE_OPTS=\''$(subst ','\'',$(subst ','\'',$(GIT_INTEROP_MAKE_OPTS)))'\' >>$@+
endif
ifdef GIT_TEST_INDEX_VERSION
        @echo GIT_TEST_INDEX_VERSION=\''$(subst ','\'',$(subst ','\'',$(GIT_TEST_INDEX_VERSION)))'\' >>$@+
endif
        @if cmp $@+ $@ >/dev/null 2>&1; then $(RM) $@+; else mv $@+ $@; fi

### Detect Python interpreter path changes
ifndef NO_PYTHON
TRACK_PYTHON = $(subst ','\'',-DPYTHON_PATH='$(PYTHON_PATH_SQ)')

GIT-PYTHON-VARS: FORCE
        @VARS='$(TRACK_PYTHON)'; \
            if test x"$$VARS" != x"`cat $@ 2>/dev/null`" ; then \
                echo >&2 "    * new Python interpreter location"; \
                echo "$$VARS" >$@; \
            fi
endif

test_bindir_programs := $(patsubst %,bin-wrappers/%,$(BINDIR_PROGRAMS_NEED_X) $(BINDIR_PROGRAMS_NO_X) $(TEST_PROGRAMS_NEED_X))

all:: $(TEST_PROGRAMS) $(test_bindir_programs)

bin-wrappers/%: wrap-for-bin.sh
        @mkdir -p bin-wrappers
        $(QUIET_GEN)sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
             -e 's|@@BUILD_DIR@@|$(shell pwd)|' \
             -e 's|@@PROG@@|$(patsubst test-%,t/helper/test-%,$(@F))|' < $< > $@ && \
        chmod +x $@

# GNU make supports exporting all variables by "export" without parameters.
# However, the environment gets quite big, and some programs have problems
# with that.

export NO_SVN_TESTS
export TEST_NO_MALLOC_CHECK

### Testing rules

test: all
        $(MAKE) -C t/ all

perf: all
        $(MAKE) -C t/perf/ all

.PHONY: test perf

t/helper/test-line-buffer$X: $(VCSSVN_LIB)

t/helper/test-svn-fe$X: $(VCSSVN_LIB)

.PRECIOUS: $(TEST_OBJS)

t/helper/test-tool$X: $(patsubst %,t/helper/%,$(TEST_BUILTINS_OBJS))

t/helper/test-%$X: t/helper/test-%.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(filter %.a,$^) $(LIBS)

check-sha1:: t/helper/test-tool$X
        t/helper/test-sha1.sh

SP_OBJ = $(patsubst %.o,%.sp,$(C_OBJ))

$(SP_OBJ): %.sp: %.c GIT-CFLAGS FORCE
        $(QUIET_SP)cgcc -no-compile $(ALL_CFLAGS) $(EXTRA_CPPFLAGS) \
                $(SPARSE_FLAGS) $(SP_EXTRA_FLAGS) $<

.PHONY: sparse $(SP_OBJ)
sparse: $(SP_OBJ)

GEN_HDRS := command-list.h unicode-width.h
EXCEPT_HDRS := $(GEN_HDRS) compat/% xdiff/%
ifndef GCRYPT_SHA256
        EXCEPT_HDRS += sha256/gcrypt.h
endif
CHK_HDRS = $(filter-out $(EXCEPT_HDRS),$(patsubst ./%,%,$(LIB_H)))
HCO = $(patsubst %.h,%.hco,$(CHK_HDRS))

$(HCO): %.hco: %.h FORCE
        $(QUIET_HDR)$(CC) -include git-compat-util.h -I. -o /dev/null -c -xc $<

.PHONY: hdr-check $(HCO)
hdr-check: $(HCO)

.PHONY: style
style:
        git clang-format --style file --diff --extensions c,h

check: command-list.h
        @if sparse; \
        then \
                echo >&2 "Use 'make sparse' instead"; \
                $(MAKE) --no-print-directory sparse; \
        else \
                echo >&2 "Did you mean 'make test'?"; \
                exit 1; \
        fi

C_SOURCES = $(patsubst %.o,%.c,$(C_OBJ))
ifdef DC_SHA1_SUBMODULE
COCCI_SOURCES = $(filter-out sha1collisiondetection/%,$(C_SOURCES))
else
COCCI_SOURCES = $(filter-out sha1dc/%,$(C_SOURCES))
endif

%.cocci.patch: %.cocci $(COCCI_SOURCES)
        @echo '    ' SPATCH $<; \
        if test $(SPATCH_BATCH_SIZE) = 0; then \
                limit=; \
        else \
                limit='-n $(SPATCH_BATCH_SIZE)'; \
        fi; \
        if ! echo $(COCCI_SOURCES) | xargs $$limit \
                $(SPATCH) --sp-file $< $(SPATCH_FLAGS) \
                >$@+ 2>$@.log; \
        then \
                cat $@.log; \
                exit 1; \
        fi; \
        mv $@+ $@; \
        if test -s $@; \
        then \
                echo '    ' SPATCH result: $@; \
        fi
coccicheck: $(addsuffix .patch,$(filter-out %.pending.cocci,$(wildcard contrib/coccinelle/*.cocci)))

# See contrib/coccinelle/README
coccicheck-pending: $(addsuffix .patch,$(wildcard contrib/coccinelle/*.pending.cocci))

.PHONY: coccicheck coccicheck-pending

### Installation rules

ifneq ($(filter /%,$(firstword $(template_dir))),)
template_instdir = $(template_dir)
else
template_instdir = $(prefix)/$(template_dir)
endif
export template_instdir

ifneq ($(filter /%,$(firstword $(gitexecdir))),)
gitexec_instdir = $(gitexecdir)
else
gitexec_instdir = $(prefix)/$(gitexecdir)
endif
gitexec_instdir_SQ = $(subst ','\'',$(gitexec_instdir))
export gitexec_instdir

ifneq ($(filter /%,$(firstword $(mergetoolsdir))),)
mergetools_instdir = $(mergetoolsdir)
else
mergetools_instdir = $(prefix)/$(mergetoolsdir)
endif
mergetools_instdir_SQ = $(subst ','\'',$(mergetools_instdir))

install_bindir_programs := $(patsubst %,%$X,$(BINDIR_PROGRAMS_NEED_X)) $(BINDIR_PROGRAMS_NO_X)

.PHONY: profile-install profile-fast-install
profile-install: profile
        $(MAKE) install

profile-fast-install: profile-fast
        $(MAKE) install

install: all
        $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'
        $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
        $(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
        $(INSTALL) -m 644 $(SCRIPT_LIB) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
        $(INSTALL) $(install_bindir_programs) '$(DESTDIR_SQ)$(bindir_SQ)'
        $(MAKE) -C templates DESTDIR='$(DESTDIR_SQ)' install
        $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(mergetools_instdir_SQ)'
        $(INSTALL) -m 644 mergetools/* '$(DESTDIR_SQ)$(mergetools_instdir_SQ)'
ifndef NO_GETTEXT
        $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(localedir_SQ)'
        (cd po/build/locale && $(TAR) cf - .) | \
        (cd '$(DESTDIR_SQ)$(localedir_SQ)' && umask 022 && $(TAR) xof -)
endif
ifndef NO_PERL
        $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perllibdir_SQ)'
        (cd perl/build/lib && $(TAR) cf - .) | \
        (cd '$(DESTDIR_SQ)$(perllibdir_SQ)' && umask 022 && $(TAR) xof -)
        $(MAKE) -C gitweb install
endif
ifndef NO_TCLTK
        $(MAKE) -C gitk-git install
        $(MAKE) -C git-gui gitexecdir='$(gitexec_instdir_SQ)' install
endif
ifneq (,$X)
        $(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p' -ef '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p$X' || $(RM) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p';)
endif

        bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
        execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
        destdir_from_execdir_SQ=$$(echo '$(gitexecdir_relative_SQ)' | sed -e 's|[^/][^/]*|..|g') && \
        { test "$$bindir/" = "$$execdir/" || \
          for p in git$X $(filter $(install_bindir_programs),$(ALL_PROGRAMS)); do \
                $(RM) "$$execdir/$$p" && \
                test -n "$(INSTALL_SYMLINKS)" && \
                ln -s "$$destdir_from_execdir_SQ/$(bindir_relative_SQ)/$$p" "$$execdir/$$p" || \
                { test -z "$(NO_INSTALL_HARDLINKS)$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
                  ln "$$bindir/$$p" "$$execdir/$$p" 2>/dev/null || \
                  cp "$$bindir/$$p" "$$execdir/$$p" || exit; } \
          done; \
        } && \
        for p in $(filter $(install_bindir_programs),$(BUILT_INS)); do \
                $(RM) "$$bindir/$$p" && \
                test -n "$(INSTALL_SYMLINKS)" && \
                ln -s "git$X" "$$bindir/$$p" || \
                { test -z "$(NO_INSTALL_HARDLINKS)" && \
                  ln "$$bindir/git$X" "$$bindir/$$p" 2>/dev/null || \
                  ln -s "git$X" "$$bindir/$$p" 2>/dev/null || \
                  cp "$$bindir/git$X" "$$bindir/$$p" || exit; } \
        done && \
        for p in $(BUILT_INS); do \
                $(RM) "$$execdir/$$p" && \
                test -n "$(INSTALL_SYMLINKS)" && \
                ln -s "$$destdir_from_execdir_SQ/$(bindir_relative_SQ)/git$X" "$$execdir/$$p" || \
                { test -z "$(NO_INSTALL_HARDLINKS)" && \
                  ln "$$execdir/git$X" "$$execdir/$$p" 2>/dev/null || \
                  ln -s "git$X" "$$execdir/$$p" 2>/dev/null || \
                  cp "$$execdir/git$X" "$$execdir/$$p" || exit; } \
        done && \
        remote_curl_aliases="$(REMOTE_CURL_ALIASES)" && \
        for p in $$remote_curl_aliases; do \
                $(RM) "$$execdir/$$p" && \
                test -n "$(INSTALL_SYMLINKS)" && \
                ln -s "git-remote-http$X" "$$execdir/$$p" || \
                { test -z "$(NO_INSTALL_HARDLINKS)" && \
                  ln "$$execdir/git-remote-http$X" "$$execdir/$$p" 2>/dev/null || \
                  ln -s "git-remote-http$X" "$$execdir/$$p" 2>/dev/null || \
                  cp "$$execdir/git-remote-http$X" "$$execdir/$$p" || exit; } \
        done && \
        ./check_bindir "z$$bindir" "z$$execdir" "$$bindir/git-add$X"

.PHONY: install-gitweb install-doc install-man install-man-perl install-html install-info install-pdf
.PHONY: quick-install-doc quick-install-man quick-install-html
install-gitweb:
        $(MAKE) -C gitweb install

install-doc: install-man-perl
        $(MAKE) -C Documentation install

install-man: install-man-perl
        $(MAKE) -C Documentation install-man

install-man-perl: man-perl
        $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(mandir_SQ)/man3'
        (cd perl/build/man/man3 && $(TAR) cf - .) | \
        (cd '$(DESTDIR_SQ)$(mandir_SQ)/man3' && umask 022 && $(TAR) xof -)

install-html:
        $(MAKE) -C Documentation install-html

install-info:
        $(MAKE) -C Documentation install-info

install-pdf:
        $(MAKE) -C Documentation install-pdf

quick-install-doc:
        $(MAKE) -C Documentation quick-install

quick-install-man:
        $(MAKE) -C Documentation quick-install-man

quick-install-html:
        $(MAKE) -C Documentation quick-install-html



### Maintainer's dist rules

GIT_TARNAME = git-$(GIT_VERSION)
dist: git-archive$(X) configure
        ./git-archive --format=tar \
                --prefix=$(GIT_TARNAME)/ HEAD^{tree} > $(GIT_TARNAME).tar
        @mkdir -p $(GIT_TARNAME)
        @cp configure $(GIT_TARNAME)
        @echo $(GIT_VERSION) > $(GIT_TARNAME)/version
        @$(MAKE) -C git-gui TARDIR=../$(GIT_TARNAME)/git-gui dist-version
        $(TAR) rf $(GIT_TARNAME).tar \
                $(GIT_TARNAME)/configure \
                $(GIT_TARNAME)/version \
                $(GIT_TARNAME)/git-gui/version
ifdef DC_SHA1_SUBMODULE
        @mkdir -p $(GIT_TARNAME)/sha1collisiondetection/lib
        @cp sha1collisiondetection/LICENSE.txt \
                $(GIT_TARNAME)/sha1collisiondetection/
        @cp sha1collisiondetection/LICENSE.txt \
                $(GIT_TARNAME)/sha1collisiondetection/
        @cp sha1collisiondetection/lib/sha1.[ch] \
                $(GIT_TARNAME)/sha1collisiondetection/lib/
        @cp sha1collisiondetection/lib/ubc_check.[ch] \
                $(GIT_TARNAME)/sha1collisiondetection/lib/
        $(TAR) rf $(GIT_TARNAME).tar \
                $(GIT_TARNAME)/sha1collisiondetection/LICENSE.txt \
                $(GIT_TARNAME)/sha1collisiondetection/lib/sha1.[ch] \
                $(GIT_TARNAME)/sha1collisiondetection/lib/ubc_check.[ch]
endif
        @$(RM) -r $(GIT_TARNAME)
        gzip -f -9 $(GIT_TARNAME).tar

rpm::
        @echo >&2 "Use distro packaged sources to run rpmbuild"
        @false
.PHONY: rpm

artifacts-tar:: $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) $(OTHER_PROGRAMS) \
                GIT-BUILD-OPTIONS $(TEST_PROGRAMS) $(test_bindir_programs) \
                $(MOFILES)
        $(QUIET_SUBDIR0)templates $(QUIET_SUBDIR1) \
                SHELL_PATH='$(SHELL_PATH_SQ)' PERL_PATH='$(PERL_PATH_SQ)'
        test -n "$(ARTIFACTS_DIRECTORY)"
        mkdir -p "$(ARTIFACTS_DIRECTORY)"
        $(TAR) czf "$(ARTIFACTS_DIRECTORY)/artifacts.tar.gz" $^ templates/blt/
.PHONY: artifacts-tar

htmldocs = git-htmldocs-$(GIT_VERSION)
manpages = git-manpages-$(GIT_VERSION)
.PHONY: dist-doc distclean
dist-doc:
        $(RM) -r .doc-tmp-dir
        mkdir .doc-tmp-dir
        $(MAKE) -C Documentation WEBDOC_DEST=../.doc-tmp-dir install-webdoc
        cd .doc-tmp-dir && $(TAR) cf ../$(htmldocs).tar .
        gzip -n -9 -f $(htmldocs).tar
        :
        $(RM) -r .doc-tmp-dir
        mkdir -p .doc-tmp-dir/man1 .doc-tmp-dir/man5 .doc-tmp-dir/man7
        $(MAKE) -C Documentation DESTDIR=./ \
                man1dir=../.doc-tmp-dir/man1 \
                man5dir=../.doc-tmp-dir/man5 \
                man7dir=../.doc-tmp-dir/man7 \
                install
        cd .doc-tmp-dir && $(TAR) cf ../$(manpages).tar .
        gzip -n -9 -f $(manpages).tar
        $(RM) -r .doc-tmp-dir

### Cleaning rules

distclean: clean
        $(RM) configure
        $(RM) config.log config.status config.cache
        $(RM) config.mak.autogen config.mak.append
        $(RM) -r autom4te.cache

profile-clean:
        $(RM) $(addsuffix *.gcda,$(addprefix $(PROFILE_DIR)/, $(object_dirs)))
        $(RM) $(addsuffix *.gcno,$(addprefix $(PROFILE_DIR)/, $(object_dirs)))

cocciclean:
        $(RM) contrib/coccinelle/*.cocci.patch*

clean: profile-clean coverage-clean cocciclean
        $(RM) *.res
        $(RM) $(OBJECTS)
        $(RM) $(LIB_FILE) $(XDIFF_LIB) $(VCSSVN_LIB)
        $(RM) $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS) git$X
        $(RM) $(TEST_PROGRAMS)
        $(RM) $(FUZZ_PROGRAMS)
        $(RM) -r bin-wrappers $(dep_dirs)
        $(RM) -r po/build/
        $(RM) *.pyc *.pyo */*.pyc */*.pyo command-list.h $(ETAGS_TARGET) tags cscope*
        $(RM) -r $(GIT_TARNAME) .doc-tmp-dir
        $(RM) $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
        $(RM) $(htmldocs).tar.gz $(manpages).tar.gz
        $(MAKE) -C Documentation/ clean
        $(RM) Documentation/GIT-EXCLUDED-PROGRAMS
ifndef NO_PERL
        $(MAKE) -C gitweb clean
        $(RM) -r perl/build/
endif
        $(MAKE) -C templates/ clean
        $(MAKE) -C t/ clean
ifndef NO_TCLTK
        $(MAKE) -C gitk-git clean
        $(MAKE) -C git-gui clean
endif
        $(RM) GIT-VERSION-FILE GIT-CFLAGS GIT-LDFLAGS GIT-BUILD-OPTIONS
        $(RM) GIT-USER-AGENT GIT-PREFIX
        $(RM) GIT-SCRIPT-DEFINES GIT-PERL-DEFINES GIT-PERL-HEADER GIT-PYTHON-VARS

.PHONY: all install profile-clean cocciclean clean strip
.PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
.PHONY: FORCE cscope

### Check documentation
#
ALL_COMMANDS = $(ALL_PROGRAMS) $(SCRIPT_LIB) $(BUILT_INS)
ALL_COMMANDS += git
ALL_COMMANDS += gitk
ALL_COMMANDS += gitweb
ALL_COMMANDS += git-gui git-citool

.PHONY: check-docs
check-docs::
        $(MAKE) -C Documentation lint-docs
        @(for v in $(patsubst %$X,%,$(ALL_COMMANDS)); \
        do \
                case "$$v" in \
                git-merge-octopus | git-merge-ours | git-merge-recursive | \
                git-merge-resolve | git-merge-subtree | \
                git-fsck-objects | git-init-db | \
                git-remote-* | git-stage | git-legacy-* | \
                git-?*--?* ) continue ;; \
                esac ; \
                test -f "Documentation/$$v.txt" || \
                echo "no doc: $$v"; \
                sed -e '1,/^### command list/d' -e '/^#/d' command-list.txt | \
                grep -q "^$$v[  ]" || \
                case "$$v" in \
                git) ;; \
                *) echo "no link: $$v";; \
                esac ; \
        done; \
        ( \
                sed -e '1,/^### command list/d' \
                    -e '/^#/d' \
                    -e '/guide$$/d' \
                    -e 's/[     ].*//' \
                    -e 's/^/listed /' command-list.txt; \
                $(MAKE) -C Documentation print-man1 | \
                grep '\.txt$$' | \
                sed -e 's|^|documented |' \
                    -e 's/\.txt//'; \
        ) | while read how cmd; \
        do \
                case " $(patsubst %$X,%,$(ALL_COMMANDS) $(EXCLUDED_PROGRAMS)) " in \
                *" $$cmd "*)    ;; \
                *) echo "removed but $$how: $$cmd" ;; \
                esac; \
        done ) | sort

### Make sure built-ins do not have dups and listed in git.c
#
check-builtins::
        ./check-builtins.sh

### Test suite coverage testing
#
.PHONY: coverage coverage-clean coverage-compile coverage-test coverage-report
.PHONY: coverage-untested-functions cover_db cover_db_html
.PHONY: coverage-clean-results

coverage:
        $(MAKE) coverage-test
        $(MAKE) coverage-untested-functions

object_dirs := $(sort $(dir $(OBJECTS)))
coverage-clean-results:
        $(RM) $(addsuffix *.gcov,$(object_dirs))
        $(RM) $(addsuffix *.gcda,$(object_dirs))
        $(RM) coverage-untested-functions
        $(RM) -r cover_db/
        $(RM) -r cover_db_html/

coverage-clean: coverage-clean-results
        $(RM) $(addsuffix *.gcno,$(object_dirs))

COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
COVERAGE_LDFLAGS = $(CFLAGS)  -O0 -lgcov
GCOVFLAGS = --preserve-paths --branch-probabilities --all-blocks

coverage-compile:
        $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all

coverage-test: coverage-clean-results coverage-compile
        $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \
                DEFAULT_TEST_TARGET=test -j1 test

coverage-prove: coverage-clean-results coverage-compile
        $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \
                DEFAULT_TEST_TARGET=prove GIT_PROVE_OPTS="$(GIT_PROVE_OPTS) -j1" \
                -j1 test

coverage-report:
        $(QUIET_GCOV)for dir in $(object_dirs); do \
                $(GCOV) $(GCOVFLAGS) --object-directory=$$dir $$dir*.c || exit; \
        done

coverage-untested-functions: coverage-report
        grep '^function.*called 0 ' *.c.gcov \
                | sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
                > coverage-untested-functions

cover_db: coverage-report
        gcov2perl -db cover_db *.gcov

cover_db_html: cover_db
        cover -report html -outputdir cover_db_html cover_db


### Fuzz testing
#
# Building fuzz targets generally requires a special set of compiler flags that
# are not necessarily appropriate for general builds, and that vary greatly
# depending on the compiler version used.
#
# An example command to build against libFuzzer from LLVM 4.0.0:
#
# make CC=clang CXX=clang++ \
#      CFLAGS="-fsanitize-coverage=trace-pc-guard -fsanitize=address" \
#      LIB_FUZZING_ENGINE=/usr/lib/llvm-4.0/lib/libFuzzer.a \
#      fuzz-all
#
FUZZ_CXXFLAGS ?= $(CFLAGS)

.PHONY: fuzz-all

$(FUZZ_PROGRAMS): all
        $(QUIET_LINK)$(CXX) $(FUZZ_CXXFLAGS) $(LIB_OBJS) $(BUILTIN_OBJS) \
                $(XDIFF_OBJS) $(EXTLIBS) git.o $@.o $(LIB_FUZZING_ENGINE) -o $@

fuzz-all: $(FUZZ_PROGRAMS)