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)
150 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -liconv"
152 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
154 AC_CHECK_LIB([c], [socket],
156 [NEEDS_SOCKET=YesPlease])
157 AC_SUBST(NEEDS_SOCKET)
158 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
161 ## Checks for header files.
164 ## Checks for typedefs, structures, and compiler characteristics.
165 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
167 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
168 AC_CHECK_MEMBER(struct dirent.d_ino,
169 [NO_D_INO_IN_DIRENT=],
170 [NO_D_INO_IN_DIRENT=YesPlease],
171 [#include <dirent.h>])
172 AC_SUBST(NO_D_INO_IN_DIRENT)
174 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
175 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
176 AC_CHECK_MEMBER(struct dirent.d_type,
177 [NO_D_TYPE_IN_DIRENT=],
178 [NO_D_TYPE_IN_DIRENT=YesPlease],
179 [#include <dirent.h>])
180 AC_SUBST(NO_D_TYPE_IN_DIRENT)
182 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
184 AC_CHECK_TYPE(struct sockaddr_storage,
185 [NO_SOCKADDR_STORAGE=],
186 [NO_SOCKADDR_STORAGE=YesPlease],[
187 #include <sys/types.h>
188 #include <sys/socket.h>
190 AC_SUBST(NO_SOCKADDR_STORAGE)
192 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
193 AC_CHECK_TYPE([struct addrinfo],[
194 AC_CHECK_FUNC([getaddrinfo],
197 ],[NO_IPV6=YesPlease],[
198 #include <sys/types.h>
199 #include <sys/socket.h>
204 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
205 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
206 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
207 # some C compilers supported these specifiers prior to C99 as an extension.
208 AC_CACHE_CHECK(whether formatted IO functions support C99 size specifiers,
210 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
212 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
214 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
216 else if (strcmp(buf, "12345"))
218 [ac_cv_c_c99_format=yes],
219 [ac_cv_c_c99_format=no])
221 if test $ac_cv_c_c99_format = no; then
222 NO_C99_FORMAT=YesPlease
226 AC_SUBST(NO_C99_FORMAT)
229 ## Checks for library functions.
230 ## (in default C library and libraries checked by AC_CHECK_LIB)
231 AC_MSG_NOTICE([CHECKS for library functions])
233 # Define NO_STRCASESTR if you don't have strcasestr.
234 AC_CHECK_FUNC(strcasestr,
236 [NO_STRCASESTR=YesPlease])
237 AC_SUBST(NO_STRCASESTR)
239 # Define NO_STRLCPY if you don't have strlcpy.
240 AC_CHECK_FUNC(strlcpy,
242 [NO_STRLCPY=YesPlease])
245 # Define NO_SETENV if you don't have setenv in the C library.
246 AC_CHECK_FUNC(setenv,
248 [NO_SETENV=YesPlease])
251 # Define NO_MMAP if you want to avoid mmap.
253 # Define NO_ICONV if your libc does not properly support iconv.
257 # Define USE_PIC if you need the main git objects to be built with -fPIC
258 # in order to build and link perl/Git.so. x86-64 seems to need this.
260 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
261 # Enable it on Windows. By default, symrefs are still used.
263 # Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
264 AC_CACHE_CHECK(for subprocess.py,
265 ac_cv_python_has_subprocess_py,
266 [if $PYTHON_PATH -c 'import subprocess' 2>/dev/null; then
267 ac_cv_python_has_subprocess_py=yes
269 ac_cv_python_has_subprocess_py=no
271 if test $ac_cv_python_has_subprocess_py != yes; then
272 GIT_CONF_APPEND_LINE([WITH_OWN_SUBPROCESS_PY=YesPlease])
275 # Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
276 # a missing newline at the end of the file.
279 ## Site configuration (override autodetection)
280 ## --with-PACKAGE[=ARG] and --without-PACKAGE
281 AC_MSG_NOTICE([CHECKS for site configuration])
283 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
284 # tests. These tests take up a significant amount of the total test time
285 # but are not needed unless you plan to talk to SVN repos.
287 # Define MOZILLA_SHA1 environment variable when running make to make use of
288 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
289 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
290 # choice) has very fast version optimized for i586.
292 # Define PPC_SHA1 environment variable when running make to make use of
293 # a bundled SHA1 routine optimized for PowerPC.
295 # Define ARM_SHA1 environment variable when running make to make use of
296 # a bundled SHA1 routine optimized for ARM.
298 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
299 # This also implies MOZILLA_SHA1.
301 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
302 # /foo/bar/include and /foo/bar/lib directories.
304 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
305 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
306 GIT_PARSE_WITH(openssl))
308 # Define NO_CURL if you do not have curl installed. git-http-pull and
309 # git-http-push are not built, and you cannot use http:// and https://
312 # Define CURLDIR=/foo/bar if your curl header and library files are in
313 # /foo/bar/include and /foo/bar/lib directories.
315 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
316 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
317 GIT_PARSE_WITH(curl))
319 # Define NO_EXPAT if you do not have expat installed. git-http-push is
320 # not built, and you cannot push using http:// and https:// transports.
322 # Define EXPATDIR=/foo/bar if your expat header and library files are in
323 # /foo/bar/include and /foo/bar/lib directories.
325 AS_HELP_STRING([--with-expat],
326 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
327 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
328 GIT_PARSE_WITH(expat))
330 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
331 # installed in /sw, but don't want GIT to link against any libraries
332 # installed there. If defined you may specify your own (or Fink's)
333 # include directories and library directories by defining CFLAGS
334 # and LDFLAGS appropriately.
336 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
337 # have DarwinPorts installed in /opt/local, but don't want GIT to
338 # link against any libraries installed there. If defined you may
339 # specify your own (or DarwinPort's) include directories and
340 # library directories by defining CFLAGS and LDFLAGS appropriately.
342 # Define NO_MMAP if you want to avoid mmap.
344 ## --enable-FEATURE[=ARG] and --disable-FEATURE
346 # Define COLLISION_CHECK below if you believe that SHA1's
347 # 1461501637330902918203684832716283019655932542976 hashes do not give you
348 # sufficient guarantee that no collisions between objects will ever happen.
350 # Define USE_NSEC below if you want git to care about sub-second file mtimes
351 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
352 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
353 # randomly break unless your underlying filesystem supports those sub-second
354 # times (my ext3 doesn't).
356 # Define USE_STDEV below if you want git to care about the underlying device
357 # change being considered an inode change from the update-cache perspective.
361 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
366 rm -f "${config_append}"