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
50 # GIT_PARSE_WITH(PACKAGE)
51 # -----------------------
52 # For use in AC_ARG_WITH action-if-found, for packages default ON.
53 # * Set NO_PACKAGE=YesPlease for --without-PACKAGE
54 # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
55 # * Unset NO_PACKAGE for --with-PACKAGE without ARG
56 AC_DEFUN([GIT_PARSE_WITH],
57 [PACKAGE=m4_toupper($1); \
58 if test "$withval" = "no"; then \
59 m4_toupper(NO_$1)=YesPlease; \
60 elif test "$withval" = "yes"; then \
64 GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
69 ## Site configuration related to programs (before tests)
70 ## --with-PACKAGE[=ARG] and --without-PACKAGE
72 # Define SHELL_PATH to provide path to shell.
73 GIT_ARG_SET_PATH(shell)
75 # Define PERL_PATH to provide path to Perl.
76 GIT_ARG_SET_PATH(perl)
78 # Define NO_PYTHON if you want to lose all benefits of the recursive merge.
79 # Define PYTHON_PATH to provide path to Python.
80 AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python])
81 AS_HELP_STRING([--without-python], [don't use python scripts])],
82 [if test "$withval" = "no"; then \
83 NO_PYTHON=YesPlease; \
84 elif test "$withval" = "yes"; then \
88 PYTHON_PATH=$withval; \
95 ## Checks for programs.
96 AC_MSG_NOTICE([CHECKS for programs])
99 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
100 AC_CHECK_TOOL(AR, ar, :)
101 AC_CHECK_PROGS(TAR, [gtar tar])
103 # Define NO_PYTHON if you want to lose all benefits of the recursive merge.
104 # Define PYTHON_PATH to provide path to Python.
105 if test -z "$NO_PYTHON"; then
106 if test -z "$PYTHON_PATH"; then
107 AC_PATH_PROGS(PYTHON_PATH, [python python2.4 python2.3 python2])
109 if test -n "$PYTHON_PATH"; then
110 GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@])
116 ## Checks for libraries.
117 AC_MSG_NOTICE([CHECKS for libraries])
119 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
120 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
121 AC_CHECK_LIB([crypto], [SHA1_Init],
122 [NEEDS_SSL_WITH_CRYPTO=],
123 [AC_CHECK_LIB([ssl], [SHA1_Init],
124 [NEEDS_SSL_WITH_CRYPTO=YesPlease
125 NEEDS_SSL_WITH_CRYPTO=],
126 [NO_OPENSSL=YesPlease])])
127 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
130 # Define NO_CURL if you do not have curl installed. git-http-pull and
131 # git-http-push are not built, and you cannot use http:// and https://
133 AC_CHECK_LIB([curl], [curl_global_init],
138 # Define NO_EXPAT if you do not have expat installed. git-http-push is
139 # not built, and you cannot push using http:// and https:// transports.
140 AC_CHECK_LIB([expat], [XML_ParserCreate],
142 [NO_EXPAT=YesPlease])
145 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
146 AC_CHECK_LIB([c], [iconv],
148 [NEEDS_LIBICONV=YesPlease])
149 AC_SUBST(NEEDS_LIBICONV)
151 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
153 AC_CHECK_LIB([c], [socket],
155 [NEEDS_SOCKET=YesPlease])
156 AC_SUBST(NEEDS_SOCKET)
159 ## Checks for header files.
162 ## Checks for typedefs, structures, and compiler characteristics.
163 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
165 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
166 AC_CHECK_MEMBER(struct dirent.d_ino,
167 [NO_D_INO_IN_DIRENT=],
168 [NO_D_INO_IN_DIRENT=YesPlease],
169 [#include <dirent.h>])
170 AC_SUBST(NO_D_INO_IN_DIRENT)
172 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
173 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
174 AC_CHECK_MEMBER(struct dirent.d_type,
175 [NO_D_TYPE_IN_DIRENT=],
176 [NO_D_TYPE_IN_DIRENT=YesPlease],
177 [#include <dirent.h>])
178 AC_SUBST(NO_D_TYPE_IN_DIRENT)
180 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
182 AC_CHECK_TYPE(struct sockaddr_storage,
183 [NO_SOCKADDR_STORAGE=],
184 [NO_SOCKADDR_STORAGE=YesPlease],
185 [#include <netinet/in.h>])
186 AC_SUBST(NO_SOCKADDR_STORAGE)
188 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
189 AC_CHECK_TYPE([struct addrinfo],[
190 AC_CHECK_FUNC([getaddrinfo],
193 ],[NO_IPV6=YesPlease],[
194 #include <sys/types.h>
195 #include <sys/socket.h>
200 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
201 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
202 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
203 # some C compilers supported these specifiers prior to C99 as an extension.
204 AC_CACHE_CHECK(whether formatted IO functions support C99 size specifiers,
206 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
208 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
210 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
212 else if (strcmp(buf, "12345"))
214 [ac_cv_c_c99_format=yes],
215 [ac_cv_c_c99_format=no])
217 if test $ac_cv_c_c99_format = no; then
218 NO_C99_FORMAT=YesPlease
222 AC_SUBST(NO_C99_FORMAT)
225 ## Checks for library functions.
226 ## (in default C library and libraries checked by AC_CHECK_LIB)
227 AC_MSG_NOTICE([CHECKS for library functions])
229 # Define NO_STRCASESTR if you don't have strcasestr.
230 AC_CHECK_FUNC(strcasestr,
232 [NO_STRCASESTR=YesPlease])
233 AC_SUBST(NO_STRCASESTR)
235 # Define NO_STRLCPY if you don't have strlcpy.
236 AC_CHECK_FUNC(strlcpy,
238 [NO_STRLCPY=YesPlease])
241 # Define NO_SETENV if you don't have setenv in the C library.
242 AC_CHECK_FUNC(setenv,
244 [NO_SETENV=YesPlease])
247 # Define NO_MMAP if you want to avoid mmap.
249 # Define NO_ICONV if your libc does not properly support iconv.
253 # Define USE_PIC if you need the main git objects to be built with -fPIC
254 # in order to build and link perl/Git.so. x86-64 seems to need this.
256 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
257 # Enable it on Windows. By default, symrefs are still used.
259 # Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
261 # Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
262 # a missing newline at the end of the file.
265 ## Site configuration (override autodetection)
266 ## --with-PACKAGE[=ARG] and --without-PACKAGE
267 AC_MSG_NOTICE([CHECKS for site configuration])
269 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
270 # tests. These tests take up a significant amount of the total test time
271 # but are not needed unless you plan to talk to SVN repos.
273 # Define MOZILLA_SHA1 environment variable when running make to make use of
274 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
275 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
276 # choice) has very fast version optimized for i586.
278 # Define PPC_SHA1 environment variable when running make to make use of
279 # a bundled SHA1 routine optimized for PowerPC.
281 # Define ARM_SHA1 environment variable when running make to make use of
282 # a bundled SHA1 routine optimized for ARM.
284 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
285 # This also implies MOZILLA_SHA1.
287 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
288 # /foo/bar/include and /foo/bar/lib directories.
290 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
291 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
292 GIT_PARSE_WITH(openssl))
294 # Define NO_CURL if you do not have curl installed. git-http-pull and
295 # git-http-push are not built, and you cannot use http:// and https://
298 # Define CURLDIR=/foo/bar if your curl header and library files are in
299 # /foo/bar/include and /foo/bar/lib directories.
301 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
302 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
303 GIT_PARSE_WITH(curl))
305 # Define NO_EXPAT if you do not have expat installed. git-http-push is
306 # not built, and you cannot push using http:// and https:// transports.
308 # Define EXPATDIR=/foo/bar if your expat header and library files are in
309 # /foo/bar/include and /foo/bar/lib directories.
311 AS_HELP_STRING([--with-expat],
312 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
313 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
314 GIT_PARSE_WITH(expat))
316 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
317 # installed in /sw, but don't want GIT to link against any libraries
318 # installed there. If defined you may specify your own (or Fink's)
319 # include directories and library directories by defining CFLAGS
320 # and LDFLAGS appropriately.
322 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
323 # have DarwinPorts installed in /opt/local, but don't want GIT to
324 # link against any libraries installed there. If defined you may
325 # specify your own (or DarwinPort's) include directories and
326 # library directories by defining CFLAGS and LDFLAGS appropriately.
328 # Define NO_MMAP if you want to avoid mmap.
330 ## --enable-FEATURE[=ARG] and --disable-FEATURE
332 # Define COLLISION_CHECK below if you believe that SHA1's
333 # 1461501637330902918203684832716283019655932542976 hashes do not give you
334 # sufficient guarantee that no collisions between objects will ever happen.
336 # Define USE_NSEC below if you want git to care about sub-second file mtimes
337 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
338 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
339 # randomly break unless your underlying filesystem supports those sub-second
340 # times (my ext3 doesn't).
342 # Define USE_STDEV below if you want git to care about the underlying device
343 # change being considered an inode change from the update-cache perspective.
347 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
352 rm -f "${config_append}"