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 # Set lib to alternative name of lib directory (e.g. lib64)
74 [AS_HELP_STRING([--with-lib=ARG],
75 [ARG specifies alternative name for lib directory])],
76 [if test "$withval" = "no" || test "$withval" = "yes"; then \
77 AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
79 GIT_CONF_APPEND_LINE(lib=$withval); \
83 # Define SHELL_PATH to provide path to shell.
84 GIT_ARG_SET_PATH(shell)
86 # Define PERL_PATH to provide path to Perl.
87 GIT_ARG_SET_PATH(perl)
89 # Define ZLIB_PATH to provide path to zlib.
90 GIT_ARG_SET_PATH(zlib)
92 # Declare the with-tcltk/without-tcltk options.
94 AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
95 AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
96 AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
97 AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
98 GIT_PARSE_WITH(tcltk))
102 ## Checks for programs.
103 AC_MSG_NOTICE([CHECKS for programs])
106 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
107 AC_CHECK_TOOLS(AR, [gar ar], :)
108 AC_CHECK_PROGS(TAR, [gtar tar])
109 # TCLTK_PATH will be set to some value if we want Tcl/Tk
110 # or will be empty otherwise.
111 if test -z "$NO_TCLTK"; then
112 if test "$with_tcltk" = ""; then
113 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
116 elif test "$with_tcltk" = "yes"; then
117 # Tcl/Tk check requested.
118 AC_CHECK_PROGS(TCLTK_PATH, [wish], )
120 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
121 TCLTK_PATH="$with_tcltk"
126 ## Checks for libraries.
127 AC_MSG_NOTICE([CHECKS for libraries])
129 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
130 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
131 AC_CHECK_LIB([crypto], [SHA1_Init],
132 [NEEDS_SSL_WITH_CRYPTO=],
133 [AC_CHECK_LIB([ssl], [SHA1_Init],
134 [NEEDS_SSL_WITH_CRYPTO=YesPlease
135 NEEDS_SSL_WITH_CRYPTO=],
136 [NO_OPENSSL=YesPlease])])
137 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
140 # Define NO_CURL if you do not have curl installed. git-http-pull and
141 # git-http-push are not built, and you cannot use http:// and https://
143 AC_CHECK_LIB([curl], [curl_global_init],
148 # Define NO_EXPAT if you do not have expat installed. git-http-push is
149 # not built, and you cannot push using http:// and https:// transports.
150 AC_CHECK_LIB([expat], [XML_ParserCreate],
152 [NO_EXPAT=YesPlease])
155 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
156 # some Solaris installations).
157 # Define NO_ICONV if neither libc nor libiconv support iconv.
158 AC_DEFUN([ICONVTEST_SRC], [
167 AC_MSG_CHECKING([for iconv in -lc])
168 AC_LINK_IFELSE(ICONVTEST_SRC,
169 [AC_MSG_RESULT([yes])
174 AC_MSG_CHECKING([for iconv in -liconv])
175 AC_LINK_IFELSE(ICONVTEST_SRC,
176 [AC_MSG_RESULT([yes])
177 NEEDS_LIBICONV=YesPlease],
181 AC_SUBST(NEEDS_LIBICONV)
183 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
185 # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
186 AC_DEFUN([ZLIBTEST_SRC], [
195 AC_MSG_CHECKING([for deflateBound in -lz])
198 AC_LINK_IFELSE(ZLIBTEST_SRC,
199 [AC_MSG_RESULT([yes])],
201 NO_DEFLATE_BOUND=yes])
203 AC_SUBST(NO_DEFLATE_BOUND)
205 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
207 AC_CHECK_LIB([c], [socket],
209 [NEEDS_SOCKET=YesPlease])
210 AC_SUBST(NEEDS_SOCKET)
211 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
214 ## Checks for header files.
215 AC_MSG_NOTICE([CHECKS for header files])
217 # Define OLD_ICONV if your library has an old iconv(), where the second
218 # (input buffer pointer) parameter is declared with type (const char **).
219 AC_DEFUN([OLDICONVTEST_SRC], [[
222 extern size_t iconv(iconv_t cd,
223 char **inbuf, size_t *inbytesleft,
224 char **outbuf, size_t *outbytesleft);
231 AC_MSG_CHECKING([for old iconv()])
232 AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
233 [AC_MSG_RESULT([no])],
234 [AC_MSG_RESULT([yes])
235 OLD_ICONV=UnfortunatelyYes])
239 ## Checks for typedefs, structures, and compiler characteristics.
240 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
242 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
243 AC_CHECK_MEMBER(struct dirent.d_ino,
244 [NO_D_INO_IN_DIRENT=],
245 [NO_D_INO_IN_DIRENT=YesPlease],
246 [#include <dirent.h>])
247 AC_SUBST(NO_D_INO_IN_DIRENT)
249 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
250 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
251 AC_CHECK_MEMBER(struct dirent.d_type,
252 [NO_D_TYPE_IN_DIRENT=],
253 [NO_D_TYPE_IN_DIRENT=YesPlease],
254 [#include <dirent.h>])
255 AC_SUBST(NO_D_TYPE_IN_DIRENT)
257 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
259 AC_CHECK_TYPE(struct sockaddr_storage,
260 [NO_SOCKADDR_STORAGE=],
261 [NO_SOCKADDR_STORAGE=YesPlease],[
262 #include <sys/types.h>
263 #include <sys/socket.h>
265 AC_SUBST(NO_SOCKADDR_STORAGE)
267 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
268 AC_CHECK_TYPE([struct addrinfo],[
269 AC_CHECK_FUNC([getaddrinfo],
272 ],[NO_IPV6=YesPlease],[
273 #include <sys/types.h>
274 #include <sys/socket.h>
279 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
280 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
281 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
282 # some C compilers supported these specifiers prior to C99 as an extension.
283 AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
284 [ac_cv_c_c99_format],
285 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
287 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
289 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
291 else if (strcmp(buf, "12345"))
293 [ac_cv_c_c99_format=yes],
294 [ac_cv_c_c99_format=no])
296 if test $ac_cv_c_c99_format = no; then
297 NO_C99_FORMAT=YesPlease
301 AC_SUBST(NO_C99_FORMAT)
304 ## Checks for library functions.
305 ## (in default C library and libraries checked by AC_CHECK_LIB)
306 AC_MSG_NOTICE([CHECKS for library functions])
308 # Define NO_STRCASESTR if you don't have strcasestr.
309 AC_CHECK_FUNC(strcasestr,
311 [NO_STRCASESTR=YesPlease])
312 AC_SUBST(NO_STRCASESTR)
314 # Define NO_MEMMEM if you don't have memmem.
315 AC_CHECK_FUNC(memmem,
317 [NO_MEMMEM=YesPlease])
320 # Define NO_STRLCPY if you don't have strlcpy.
321 AC_CHECK_FUNC(strlcpy,
323 [NO_STRLCPY=YesPlease])
326 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
327 AC_CHECK_FUNC(strtoumax,
329 [NO_STRTOUMAX=YesPlease])
330 AC_SUBST(NO_STRTOUMAX)
332 # Define NO_SETENV if you don't have setenv in the C library.
333 AC_CHECK_FUNC(setenv,
335 [NO_SETENV=YesPlease])
338 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
339 AC_CHECK_FUNC(mkdtemp,
341 [NO_MKDTEMP=YesPlease])
344 # Define NO_MMAP if you want to avoid mmap.
346 # Define NO_ICONV if your libc does not properly support iconv.
350 # Define USE_PIC if you need the main git objects to be built with -fPIC
351 # in order to build and link perl/Git.so. x86-64 seems to need this.
353 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
354 # Enable it on Windows. By default, symrefs are still used.
356 ## Site configuration (override autodetection)
357 ## --with-PACKAGE[=ARG] and --without-PACKAGE
358 AC_MSG_NOTICE([CHECKS for site configuration])
360 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
361 # tests. These tests take up a significant amount of the total test time
362 # but are not needed unless you plan to talk to SVN repos.
364 # Define MOZILLA_SHA1 environment variable when running make to make use of
365 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
366 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
367 # choice) has very fast version optimized for i586.
369 # Define PPC_SHA1 environment variable when running make to make use of
370 # a bundled SHA1 routine optimized for PowerPC.
372 # Define ARM_SHA1 environment variable when running make to make use of
373 # a bundled SHA1 routine optimized for ARM.
375 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
376 # This also implies MOZILLA_SHA1.
378 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
379 # /foo/bar/include and /foo/bar/lib directories.
381 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
382 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
383 GIT_PARSE_WITH(openssl))
385 # Define NO_CURL if you do not have curl installed. git-http-pull and
386 # git-http-push are not built, and you cannot use http:// and https://
389 # Define CURLDIR=/foo/bar if your curl header and library files are in
390 # /foo/bar/include and /foo/bar/lib directories.
392 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
393 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
394 GIT_PARSE_WITH(curl))
396 # Define NO_EXPAT if you do not have expat installed. git-http-push is
397 # not built, and you cannot push using http:// and https:// transports.
399 # Define EXPATDIR=/foo/bar if your expat header and library files are in
400 # /foo/bar/include and /foo/bar/lib directories.
402 AS_HELP_STRING([--with-expat],
403 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
404 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
405 GIT_PARSE_WITH(expat))
407 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
408 # installed in /sw, but don't want GIT to link against any libraries
409 # installed there. If defined you may specify your own (or Fink's)
410 # include directories and library directories by defining CFLAGS
411 # and LDFLAGS appropriately.
413 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
414 # have DarwinPorts installed in /opt/local, but don't want GIT to
415 # link against any libraries installed there. If defined you may
416 # specify your own (or DarwinPort's) include directories and
417 # library directories by defining CFLAGS and LDFLAGS appropriately.
419 # Define NO_MMAP if you want to avoid mmap.
421 # Define NO_ICONV if your libc does not properly support iconv.
423 AS_HELP_STRING([--without-iconv],
424 [if your architecture doesn't properly support iconv])
425 AS_HELP_STRING([--with-iconv=PATH],
426 [PATH is prefix for libiconv library and headers])
428 [used only if you need linking with libiconv]),
429 GIT_PARSE_WITH(iconv))
431 ## --enable-FEATURE[=ARG] and --disable-FEATURE
433 # Define USE_NSEC below if you want git to care about sub-second file mtimes
434 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
435 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
436 # randomly break unless your underlying filesystem supports those sub-second
437 # times (my ext3 doesn't).
439 # Define USE_STDEV below if you want git to care about the underlying device
440 # change being considered an inode change from the update-index perspective.
444 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
449 rm -f "${config_append}"