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"
125 AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
126 if test -n "$ASCIIDOC"; then
127 AC_MSG_CHECKING([for asciidoc version])
128 asciidoc_version=`$ASCIIDOC --version 2>&1`
129 case "${asciidoc_version}" in
132 AC_MSG_RESULT([${asciidoc_version} > 7])
136 AC_MSG_RESULT([${asciidoc_version}])
140 AC_MSG_RESULT([${asciidoc_version} (unknown)])
147 ## Checks for libraries.
148 AC_MSG_NOTICE([CHECKS for libraries])
150 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
151 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
152 AC_CHECK_LIB([crypto], [SHA1_Init],
153 [NEEDS_SSL_WITH_CRYPTO=],
154 [AC_CHECK_LIB([ssl], [SHA1_Init],
155 [NEEDS_SSL_WITH_CRYPTO=YesPlease
156 NEEDS_SSL_WITH_CRYPTO=],
157 [NO_OPENSSL=YesPlease])])
158 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
161 # Define NO_CURL if you do not have curl installed. git-http-pull and
162 # git-http-push are not built, and you cannot use http:// and https://
164 AC_CHECK_LIB([curl], [curl_global_init],
169 # Define NO_EXPAT if you do not have expat installed. git-http-push is
170 # not built, and you cannot push using http:// and https:// transports.
171 AC_CHECK_LIB([expat], [XML_ParserCreate],
173 [NO_EXPAT=YesPlease])
176 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
177 # some Solaris installations).
178 # Define NO_ICONV if neither libc nor libiconv support iconv.
179 AC_DEFUN([ICONVTEST_SRC], [
188 AC_MSG_CHECKING([for iconv in -lc])
189 AC_LINK_IFELSE(ICONVTEST_SRC,
190 [AC_MSG_RESULT([yes])
195 AC_MSG_CHECKING([for iconv in -liconv])
196 AC_LINK_IFELSE(ICONVTEST_SRC,
197 [AC_MSG_RESULT([yes])
198 NEEDS_LIBICONV=YesPlease],
202 AC_SUBST(NEEDS_LIBICONV)
204 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
206 # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
207 AC_DEFUN([ZLIBTEST_SRC], [
216 AC_MSG_CHECKING([for deflateBound in -lz])
219 AC_LINK_IFELSE(ZLIBTEST_SRC,
220 [AC_MSG_RESULT([yes])],
222 NO_DEFLATE_BOUND=yes])
224 AC_SUBST(NO_DEFLATE_BOUND)
226 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
228 AC_CHECK_LIB([c], [socket],
230 [NEEDS_SOCKET=YesPlease])
231 AC_SUBST(NEEDS_SOCKET)
232 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
235 ## Checks for header files.
236 AC_MSG_NOTICE([CHECKS for header files])
238 # Define NO_SYS_SELECT_H if you don't have sys/select.h.
239 AC_CHECK_HEADER([sys/select.h],
241 [NO_SYS_SELECT_H=UnfortunatelyYes])
242 AC_SUBST(NO_SYS_SELECT_H)
244 # Define OLD_ICONV if your library has an old iconv(), where the second
245 # (input buffer pointer) parameter is declared with type (const char **).
246 AC_DEFUN([OLDICONVTEST_SRC], [[
249 extern size_t iconv(iconv_t cd,
250 char **inbuf, size_t *inbytesleft,
251 char **outbuf, size_t *outbytesleft);
258 AC_MSG_CHECKING([for old iconv()])
259 AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
260 [AC_MSG_RESULT([no])],
261 [AC_MSG_RESULT([yes])
262 OLD_ICONV=UnfortunatelyYes])
266 ## Checks for typedefs, structures, and compiler characteristics.
267 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
269 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
270 AC_CHECK_MEMBER(struct dirent.d_ino,
271 [NO_D_INO_IN_DIRENT=],
272 [NO_D_INO_IN_DIRENT=YesPlease],
273 [#include <dirent.h>])
274 AC_SUBST(NO_D_INO_IN_DIRENT)
276 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
277 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
278 AC_CHECK_MEMBER(struct dirent.d_type,
279 [NO_D_TYPE_IN_DIRENT=],
280 [NO_D_TYPE_IN_DIRENT=YesPlease],
281 [#include <dirent.h>])
282 AC_SUBST(NO_D_TYPE_IN_DIRENT)
284 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
286 AC_CHECK_TYPE(struct sockaddr_storage,
287 [NO_SOCKADDR_STORAGE=],
288 [NO_SOCKADDR_STORAGE=YesPlease],[
289 #include <sys/types.h>
290 #include <sys/socket.h>
292 AC_SUBST(NO_SOCKADDR_STORAGE)
294 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
295 AC_CHECK_TYPE([struct addrinfo],[
296 AC_CHECK_FUNC([getaddrinfo],
299 ],[NO_IPV6=YesPlease],[
300 #include <sys/types.h>
301 #include <sys/socket.h>
306 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
307 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
308 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
309 # some C compilers supported these specifiers prior to C99 as an extension.
310 AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
311 [ac_cv_c_c99_format],
312 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
314 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
316 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
318 else if (strcmp(buf, "12345"))
320 [ac_cv_c_c99_format=yes],
321 [ac_cv_c_c99_format=no])
323 if test $ac_cv_c_c99_format = no; then
324 NO_C99_FORMAT=YesPlease
328 AC_SUBST(NO_C99_FORMAT)
330 # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
331 # or vsnprintf() return -1 instead of number of characters which would
332 # have been written to the final string if enough space had been available.
333 AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
334 [ac_cv_snprintf_returns_bogus],
337 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
340 int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
344 va_start(ap, format);
345 ret = vsnprintf(str, maxsize, format, ap);
350 if (test_vsnprintf(buf, 3, "%s", "12345") != 5
351 || strcmp(buf, "12")) return 1;
352 if (snprintf(buf, 3, "%s", "12345") != 5
353 || strcmp(buf, "12")) return 1]])],
354 [ac_cv_snprintf_returns_bogus=no],
355 [ac_cv_snprintf_returns_bogus=yes])
357 if test $ac_cv_snprintf_returns_bogus = yes; then
358 SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
360 SNPRINTF_RETURNS_BOGUS=
362 AC_SUBST(SNPRINTF_RETURNS_BOGUS)
365 ## Checks for library functions.
366 ## (in default C library and libraries checked by AC_CHECK_LIB)
367 AC_MSG_NOTICE([CHECKS for library functions])
369 # Define NO_STRCASESTR if you don't have strcasestr.
370 AC_CHECK_FUNC(strcasestr,
372 [NO_STRCASESTR=YesPlease])
373 AC_SUBST(NO_STRCASESTR)
375 # Define NO_MEMMEM if you don't have memmem.
376 AC_CHECK_FUNC(memmem,
378 [NO_MEMMEM=YesPlease])
381 # Define NO_STRLCPY if you don't have strlcpy.
382 AC_CHECK_FUNC(strlcpy,
384 [NO_STRLCPY=YesPlease])
387 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
388 AC_CHECK_FUNC(strtoumax,
390 [NO_STRTOUMAX=YesPlease])
391 AC_SUBST(NO_STRTOUMAX)
393 # Define NO_SETENV if you don't have setenv in the C library.
394 AC_CHECK_FUNC(setenv,
396 [NO_SETENV=YesPlease])
399 # Define NO_UNSETENV if you don't have unsetenv in the C library.
400 AC_CHECK_FUNC(unsetenv,
402 [NO_UNSETENV=YesPlease])
403 AC_SUBST(NO_UNSETENV)
405 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
406 AC_CHECK_FUNC(mkdtemp,
408 [NO_MKDTEMP=YesPlease])
411 # Define NO_MMAP if you want to avoid mmap.
413 # Define NO_ICONV if your libc does not properly support iconv.
417 # Define USE_PIC if you need the main git objects to be built with -fPIC
418 # in order to build and link perl/Git.so. x86-64 seems to need this.
420 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
421 # Enable it on Windows. By default, symrefs are still used.
423 ## Site configuration (override autodetection)
424 ## --with-PACKAGE[=ARG] and --without-PACKAGE
425 AC_MSG_NOTICE([CHECKS for site configuration])
427 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
428 # tests. These tests take up a significant amount of the total test time
429 # but are not needed unless you plan to talk to SVN repos.
431 # Define MOZILLA_SHA1 environment variable when running make to make use of
432 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
433 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
434 # choice) has very fast version optimized for i586.
436 # Define PPC_SHA1 environment variable when running make to make use of
437 # a bundled SHA1 routine optimized for PowerPC.
439 # Define ARM_SHA1 environment variable when running make to make use of
440 # a bundled SHA1 routine optimized for ARM.
442 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
443 # This also implies MOZILLA_SHA1.
445 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
446 # /foo/bar/include and /foo/bar/lib directories.
448 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
449 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
450 GIT_PARSE_WITH(openssl))
452 # Define NO_CURL if you do not have curl installed. git-http-pull and
453 # git-http-push are not built, and you cannot use http:// and https://
456 # Define CURLDIR=/foo/bar if your curl header and library files are in
457 # /foo/bar/include and /foo/bar/lib directories.
459 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
460 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
461 GIT_PARSE_WITH(curl))
463 # Define NO_EXPAT if you do not have expat installed. git-http-push is
464 # not built, and you cannot push using http:// and https:// transports.
466 # Define EXPATDIR=/foo/bar if your expat header and library files are in
467 # /foo/bar/include and /foo/bar/lib directories.
469 AS_HELP_STRING([--with-expat],
470 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
471 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
472 GIT_PARSE_WITH(expat))
474 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
475 # installed in /sw, but don't want GIT to link against any libraries
476 # installed there. If defined you may specify your own (or Fink's)
477 # include directories and library directories by defining CFLAGS
478 # and LDFLAGS appropriately.
480 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
481 # have DarwinPorts installed in /opt/local, but don't want GIT to
482 # link against any libraries installed there. If defined you may
483 # specify your own (or DarwinPort's) include directories and
484 # library directories by defining CFLAGS and LDFLAGS appropriately.
486 # Define NO_MMAP if you want to avoid mmap.
488 # Define NO_ICONV if your libc does not properly support iconv.
490 AS_HELP_STRING([--without-iconv],
491 [if your architecture doesn't properly support iconv])
492 AS_HELP_STRING([--with-iconv=PATH],
493 [PATH is prefix for libiconv library and headers])
495 [used only if you need linking with libiconv]),
496 GIT_PARSE_WITH(iconv))
498 ## --enable-FEATURE[=ARG] and --disable-FEATURE
500 # Define USE_NSEC below if you want git to care about sub-second file mtimes
501 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
502 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
503 # randomly break unless your underlying filesystem supports those sub-second
504 # times (my ext3 doesn't).
506 # Define USE_STDEV below if you want git to care about the underlying device
507 # change being considered an inode change from the update-index perspective.
511 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
516 rm -f "${config_append}"