2 # Process this file with autoconf to produce a configure script.
5 AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
7 AC_CONFIG_SRCDIR([git.c])
9 config_file=config.mak.autogen
10 config_append=config.mak.append
11 config_in=config.mak.in
13 echo "# ${config_append}. Generated by configure." > "${config_append}"
16 ## Definitions of macros
17 # GIT_CONF_APPEND_LINE(LINE)
18 # --------------------------
19 # Append LINE to file ${config_append}
20 AC_DEFUN([GIT_CONF_APPEND_LINE],
21 [echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE
23 # GIT_ARG_SET_PATH(PROGRAM)
24 # -------------------------
25 # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
26 AC_DEFUN([GIT_ARG_SET_PATH],
28 [AS_HELP_STRING([--with-$1=PATH],
29 [provide PATH to $1])],
30 [GIT_CONF_APPEND_PATH($1)],[])
33 # GIT_CONF_APPEND_PATH(PROGRAM)
34 # ------------------------------
35 # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
36 # Used by GIT_ARG_SET_PATH(PROGRAM)
37 AC_DEFUN([GIT_CONF_APPEND_PATH],
38 [PROGRAM=m4_toupper($1); \
39 if test "$withval" = "no"; then \
40 AC_MSG_ERROR([You cannot use git without $1]); \
42 if test "$withval" = "yes"; then \
43 AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
45 GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
48 ]) # GIT_CONF_APPEND_PATH
52 ## --with-PACKAGE[=ARG] and --without-PACKAGE
54 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
55 # tests. These tests take up a significant amount of the total test time
56 # but are not needed unless you plan to talk to SVN repos.
58 # Define MOZILLA_SHA1 environment variable when running make to make use of
59 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
60 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
61 # choice) has very fast version optimized for i586.
63 # Define PPC_SHA1 environment variable when running make to make use of
64 # a bundled SHA1 routine optimized for PowerPC.
66 # Define ARM_SHA1 environment variable when running make to make use of
67 # a bundled SHA1 routine optimized for ARM.
69 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
70 # This also implies MOZILLA_SHA1.
72 # Define NO_CURL if you do not have curl installed. git-http-pull and
73 # git-http-push are not built, and you cannot use http:// and https://
76 # Define CURLDIR=/foo/bar if your curl header and library files are in
77 # /foo/bar/include and /foo/bar/lib directories.
79 # Define NO_EXPAT if you do not have expat installed. git-http-push is
80 # not built, and you cannot push using http:// and https:// transports.
82 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
83 # installed in /sw, but don't want GIT to link against any libraries
84 # installed there. If defined you may specify your own (or Fink's)
85 # include directories and library directories by defining CFLAGS
86 # and LDFLAGS appropriately.
88 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
89 # have DarwinPorts installed in /opt/local, but don't want GIT to
90 # link against any libraries installed there. If defined you may
91 # specify your own (or DarwinPort's) include directories and
92 # library directories by defining CFLAGS and LDFLAGS appropriately.
94 # Define NO_MMAP if you want to avoid mmap.
96 # Define SHELL_PATH to provide path to shell.
97 GIT_ARG_SET_PATH(shell)
99 # Define PERL_PATH to provide path to Perl.
100 GIT_ARG_SET_PATH(perl)
102 # Define NO_PYTHON if you want to lose all benefits of the recursive merge.
103 # Define PYTHON_PATH to provide path to Python.
104 AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python])
105 AS_HELP_STRING([--no-python], [don't use python scripts])],
106 [if test "$withval" = "no"; then \
107 NO_PYTHON=YesPlease; \
108 elif test "$withval" = "yes"; then \
112 PYTHON_PATH=$withval; \
116 AC_SUBST(PYTHON_PATH)
118 ## --enable-FEATURE[=ARG] and --disable-FEATURE
119 # Define COLLISION_CHECK below if you believe that SHA1's
120 # 1461501637330902918203684832716283019655932542976 hashes do not give you
121 # sufficient guarantee that no collisions between objects will ever happen.
123 # Define USE_NSEC below if you want git to care about sub-second file mtimes
124 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
125 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
126 # randomly break unless your underlying filesystem supports those sub-second
127 # times (my ext3 doesn't).
129 # Define USE_STDEV below if you want git to care about the underlying device
130 # change being considered an inode change from the update-cache perspective.
133 ## Checks for programs.
134 AC_MSG_NOTICE([CHECKS for programs])
137 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
138 AC_CHECK_TOOL(AR, ar, :)
139 AC_CHECK_PROGS(TAR, [gtar tar])
141 # Define NO_PYTHON if you want to lose all benefits of the recursive merge.
142 # Define PYTHON_PATH to provide path to Python.
143 if test -z "$NO_PYTHON"; then
144 if test -z "$PYTHON_PATH"; then
145 AC_PATH_PROGS(PYTHON_PATH, [python python2.4 python2.3 python2])
147 if test -n "$PYTHON_PATH"; then
148 GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@])
152 GIT_CONF_APPEND_LINE([NO_PYTHON=@NO_PYTHON@])
155 ## Checks for libraries.
156 AC_MSG_NOTICE([CHECKS for libraries])
158 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
159 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
160 AC_CHECK_LIB([crypto], [SHA1_Init],
161 [GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=)],
162 [AC_CHECK_LIB([ssl], [SHA1_Init],
163 [GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=YesPlease)
164 GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=)],
165 [GIT_CONF_APPEND_LINE(NO_OPENSSL=YesPlease)])])
167 # Define NO_CURL if you do not have curl installed. git-http-pull and
168 # git-http-push are not built, and you cannot use http:// and https://
170 AC_CHECK_LIB([curl], [curl_global_init],
171 [GIT_CONF_APPEND_LINE(NO_CURL=)],
172 [GIT_CONF_APPEND_LINE(NO_CURL=YesPlease)])
174 # Define NO_EXPAT if you do not have expat installed. git-http-push is
175 # not built, and you cannot push using http:// and https:// transports.
176 AC_CHECK_LIB([expat], [XML_ParserCreate],
177 [GIT_CONF_APPEND_LINE(NO_EXPAT=)],
178 [GIT_CONF_APPEND_LINE(NO_EXPAT=YesPlease)])
180 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
181 AC_CHECK_LIB([c], [iconv],
182 [GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=)],
183 [GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=YesPlease)])
185 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
187 AC_CHECK_LIB([c], [socket],
188 [GIT_CONF_APPEND_LINE(NEEDS_SOCKET=)],
189 [GIT_CONF_APPEND_LINE(NEEDS_SOCKET=YesPlease)])
192 ## Checks for header files.
195 ## Checks for typedefs, structures, and compiler characteristics.
196 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
198 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
199 AC_CHECK_MEMBER(struct dirent.d_ino,
200 [GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=)],
201 [GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease)],
202 [#include <dirent.h>])
204 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
205 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
206 AC_CHECK_MEMBER(struct dirent.d_type,
207 [GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=)],
208 [GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease)],
209 [#include <dirent.h>])
211 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
213 AC_CHECK_TYPE(struct sockaddr_storage,
214 [GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=)],
215 [GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)],
216 [#include <netinet/in.h>])
217 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
218 AC_CHECK_TYPE([struct addrinfo],[
219 AC_CHECK_FUNC([getaddrinfo],
220 [GIT_CONF_APPEND_LINE(NO_IPV6=)],
221 [GIT_CONF_APPEND_LINE(NO_IPV6=YesPlease)])
222 ],[GIT_CONF_APPEND_LINE(NO_IPV6=YesPlease)],[
223 #include <sys/types.h>
224 #include <sys/socket.h>
228 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
229 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
230 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
231 # some C compilers supported these specifiers prior to C99 as an extension.
232 AC_CACHE_CHECK(whether formatted IO functions support C99 size specifiers,
234 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
236 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
238 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
240 else if (strcmp(buf, "12345"))
242 [ac_cv_c_c99_format=yes],
243 [ac_cv_c_c99_format=no])
245 if test $ac_cv_c_c99_format = no; then
246 GIT_CONF_APPEND_LINE(NO_C99_FORMAT=YesPlease)
248 GIT_CONF_APPEND_LINE(NO_C99_FORMAT=)
252 ## Checks for library functions.
253 ## (in default C library and libraries checked by AC_CHECK_LIB)
254 AC_MSG_NOTICE([CHECKS for library functions])
256 # Define NO_STRCASESTR if you don't have strcasestr.
257 AC_CHECK_FUNC(strcasestr,
258 [GIT_CONF_APPEND_LINE(NO_STRCASESTR=)],
259 [GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease)])
261 # Define NO_STRLCPY if you don't have strlcpy.
262 AC_CHECK_FUNC(strlcpy,
263 [GIT_CONF_APPEND_LINE(NO_STRLCPY=)],
264 [GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease)])
266 # Define NO_SETENV if you don't have setenv in the C library.
267 AC_CHECK_FUNC(setenv,
268 [GIT_CONF_APPEND_LINE(NO_SETENV=)],
269 [GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)])
271 # Define NO_MMAP if you want to avoid mmap.
273 # Define NO_ICONV if your libc does not properly support iconv.
277 # Define USE_PIC if you need the main git objects to be built with -fPIC
278 # in order to build and link perl/Git.so. x86-64 seems to need this.
280 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
281 # Enable it on Windows. By default, symrefs are still used.
283 # Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
285 # Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
286 # a missing newline at the end of the file.
290 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
295 rm -f "${config_append}"