2 # Process this file with autoconf to produce a configure script.
4 ## Definitions of private macros.
6 # GIT_CONF_SUBST(VAL, VAR)
7 # ------------------------
8 # Cause the line "VAR=VAL" to be eventually appended to ${config_file}.
9 AC_DEFUN([GIT_CONF_SUBST],
10 [AC_REQUIRE([GIT_CONF_SUBST_INIT])
11 config_appended_defs="$config_appended_defs${newline}$1=$2"])
15 # Prepare shell variables and autoconf machine required by later calls
17 AC_DEFUN([GIT_CONF_SUBST_INIT],
18 [config_appended_defs=; newline='
20 AC_CONFIG_COMMANDS([$config_file],
21 [echo "$config_appended_defs" >> "$config_file"],
22 [config_file=$config_file
23 config_appended_defs="$config_appended_defs"])])
25 # GIT_ARG_SET_PATH(PROGRAM)
26 # -------------------------
27 # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
28 # Optional second argument allows setting NO_PROGRAM=YesPlease if
29 # --without-PROGRAM version used.
30 AC_DEFUN([GIT_ARG_SET_PATH],
32 [AS_HELP_STRING([--with-$1=PATH],
33 [provide PATH to $1])],
34 [GIT_CONF_APPEND_PATH([$1], [$2])],
37 # GIT_CONF_APPEND_PATH(PROGRAM)
38 # -----------------------------
39 # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
40 # Used by GIT_ARG_SET_PATH(PROGRAM)
41 # Optional second argument allows setting NO_PROGRAM=YesPlease if
42 # --without-PROGRAM is used.
43 AC_DEFUN([GIT_CONF_APPEND_PATH],
44 [m4_pushdef([GIT_UC_PROGRAM], m4_toupper([$1]))dnl
45 if test "$withval" = "no"; then
47 GIT_UC_PROGRAM[]_PATH=$withval
48 AC_MSG_NOTICE([Disabling use of GIT_UC_PROGRAM])
49 GIT_CONF_SUBST([NO_]GIT_UC_PROGRAM, [YesPlease])
50 GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [])
52 AC_MSG_ERROR([You cannot use git without $1])
55 if test "$withval" = "yes"; then
56 AC_MSG_WARN([You should provide path for --with-$1=PATH])
58 GIT_UC_PROGRAM[]_PATH=$withval
59 AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval])
60 GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [$withval])
63 m4_popdef([GIT_UC_PROGRAM])])
65 # GIT_PARSE_WITH(PACKAGE)
66 # -----------------------
67 # For use in AC_ARG_WITH action-if-found, for packages default ON.
68 # * Set NO_PACKAGE=YesPlease for --without-PACKAGE
69 # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
70 # * Unset NO_PACKAGE for --with-PACKAGE without ARG
71 AC_DEFUN([GIT_PARSE_WITH],
72 [m4_pushdef([GIT_UC_PACKAGE], m4_toupper([$1]))dnl
73 if test "$withval" = "no"; then
74 NO_[]GIT_UC_PACKAGE=YesPlease
75 elif test "$withval" = "yes"; then
79 GIT_UC_PACKAGE[]DIR=$withval
80 AC_MSG_NOTICE([Setting GIT_UC_PACKAGE[]DIR to $withval])
81 GIT_CONF_SUBST(GIT_UC_PACKAGE[DIR], [$withval])
83 m4_popdef([GIT_UC_PACKAGE])])
85 # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT)
86 # -----------------------------------------------------
87 # Set VAR to the value specied by --with-WITHNAME.
88 # No verification of arguments is performed, but warnings are issued
89 # if either 'yes' or 'no' is specified.
90 # HELP_TEXT is presented when --help is called.
91 # This is a direct way to allow setting variables in the Makefile.
92 AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR],
94 [AS_HELP_STRING([--with-$1=VALUE], $3)],
95 if test -n "$withval"; then
96 if test "$withval" = "yes" -o "$withval" = "no"; then
97 AC_MSG_WARN([You likely do not want either 'yes' or 'no' as]
98 [a value for $1 ($2). Maybe you do...?])
100 AC_MSG_NOTICE([Setting $2 to $withval])
101 GIT_CONF_SUBST([$2], [$withval])
102 fi)])# GIT_PARSE_WITH_SET_MAKE_VAR
105 # GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
106 # -----------------------------------------
107 # Similar to AC_CHECK_FUNC, but on systems that do not generate
108 # warnings for missing prototypes (e.g. FreeBSD when compiling without
109 # -Wall), it does not work. By looking for function definition in
110 # libraries, this problem can be worked around.
111 AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
112 AC_SEARCH_LIBS([$1],,
117 # GIT_STASH_FLAGS(BASEPATH_VAR)
118 # -----------------------------
119 # Allow for easy stashing of LDFLAGS and CPPFLAGS before running
120 # tests that may want to take user settings into account.
121 AC_DEFUN([GIT_STASH_FLAGS],[
122 if test -n "$1"; then
123 old_CPPFLAGS="$CPPFLAGS"
124 old_LDFLAGS="$LDFLAGS"
125 CPPFLAGS="-I$1/include $CPPFLAGS"
126 LDFLAGS="-L$1/$lib $LDFLAGS"
131 dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
132 dnl -----------------------------
133 dnl Restore the stashed *FLAGS values.
134 AC_DEFUN([GIT_UNSTASH_FLAGS],[
135 if test -n "$1"; then
136 CPPFLAGS="$old_CPPFLAGS"
137 LDFLAGS="$old_LDFLAGS"
141 ## Configure body starts here.
144 AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
146 AC_CONFIG_SRCDIR([git.c])
148 config_file=config.mak.autogen
149 config_in=config.mak.in
151 # Directories holding "saner" versions of common or POSIX binaries.
152 AC_ARG_WITH([sane-tool-path],
154 [--with-sane-tool-path=DIR-1[[:DIR-2...:DIR-n]]],
155 [Directories to prepend to PATH in build system and generated scripts])],
156 [if test "$withval" = "no"; then
159 AC_MSG_NOTICE([Setting SANE_TOOL_PATH to '$withval'])
161 GIT_CONF_SUBST([SANE_TOOL_PATH], [$withval])],
162 [# If the "--with-sane-tool-path" option was not given, don't touch
163 # SANE_TOOL_PATH here, but let defaults in Makefile take care of it.
164 # This should minimize spurious differences in the behaviour of the
165 # Git build system when configure is used w.r.t. when it is not.
168 ## Site configuration related to programs (before tests)
169 ## --with-PACKAGE[=ARG] and --without-PACKAGE
171 # Set lib to alternative name of lib directory (e.g. lib64)
173 [AS_HELP_STRING([--with-lib=ARG],
174 [ARG specifies alternative name for lib directory])],
175 [if test "$withval" = "no" || test "$withval" = "yes"; then
176 AC_MSG_WARN([You should provide name for --with-lib=ARG])
179 AC_MSG_NOTICE([Setting lib to '$lib'])
180 GIT_CONF_SUBST([lib], [$withval])
183 if test -z "$lib"; then
184 AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
188 AC_ARG_ENABLE([pthreads],
189 [AS_HELP_STRING([--enable-pthreads=FLAGS],
190 [FLAGS is the value to pass to the compiler to enable POSIX Threads.]
191 [The default if FLAGS is not specified is to try first -pthread]
192 [and then -lpthread.]
193 [--without-pthreads will disable threading.])],
195 if test "x$enableval" = "xyes"; then
196 AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads])
197 elif test "x$enableval" != "xno"; then
198 PTHREAD_CFLAGS=$enableval
199 AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
201 AC_MSG_NOTICE([POSIX Threads will be disabled.])
202 NO_PTHREADS=YesPlease
206 AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
209 # Define option to enable JavaScript minification
210 AC_ARG_ENABLE([jsmin],
211 [AS_HELP_STRING([--enable-jsmin=PATH],
212 [PATH is the name of a JavaScript minifier or the absolute path to one.])],
215 AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying])
216 GIT_CONF_SUBST([JSMIN], [$enableval])
219 # Define option to enable CSS minification
220 AC_ARG_ENABLE([cssmin],
221 [AS_HELP_STRING([--enable-cssmin=PATH],
222 [PATH is the name of a CSS minifier or the absolute path to one.])],
225 AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying])
226 GIT_CONF_SUBST([CSSMIN], [$enableval])
229 ## Site configuration (override autodetection)
230 ## --with-PACKAGE[=ARG] and --without-PACKAGE
231 AC_MSG_NOTICE([CHECKS for site configuration])
233 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
234 # tests. These tests take up a significant amount of the total test time
235 # but are not needed unless you plan to talk to SVN repos.
237 # Define PPC_SHA1 environment variable when running make to make use of
238 # a bundled SHA1 routine optimized for PowerPC.
240 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
241 # This also implies BLK_SHA1.
243 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
244 # /foo/bar/include and /foo/bar/lib directories.
246 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
247 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),
248 GIT_PARSE_WITH([openssl]))
250 # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
251 # able to use Perl-compatible regular expressions.
253 # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
254 # /foo/bar/include and /foo/bar/lib directories.
257 AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)])
258 AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]),
259 if test "$withval" = "no"; then
261 elif test "$withval" = "yes"; then
262 USE_LIBPCRE=YesPlease
264 USE_LIBPCRE=YesPlease
266 AC_MSG_NOTICE([Setting LIBPCREDIR to $withval])
267 GIT_CONF_SUBST([LIBPCREDIR], [$withval])
270 # Define NO_CURL if you do not have curl installed. git-http-pull and
271 # git-http-push are not built, and you cannot use http:// and https://
274 # Define CURLDIR=/foo/bar if your curl header and library files are in
275 # /foo/bar/include and /foo/bar/lib directories.
277 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
278 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
279 GIT_PARSE_WITH(curl))
281 # Define NO_EXPAT if you do not have expat installed. git-http-push is
282 # not built, and you cannot push using http:// and https:// transports.
284 # Define EXPATDIR=/foo/bar if your expat header and library files are in
285 # /foo/bar/include and /foo/bar/lib directories.
287 AS_HELP_STRING([--with-expat],
288 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
289 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
290 GIT_PARSE_WITH(expat))
292 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
293 # installed in /sw, but don't want GIT to link against any libraries
294 # installed there. If defined you may specify your own (or Fink's)
295 # include directories and library directories by defining CFLAGS
296 # and LDFLAGS appropriately.
298 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
299 # have DarwinPorts installed in /opt/local, but don't want GIT to
300 # link against any libraries installed there. If defined you may
301 # specify your own (or DarwinPort's) include directories and
302 # library directories by defining CFLAGS and LDFLAGS appropriately.
304 # Define NO_MMAP if you want to avoid mmap.
306 # Define NO_ICONV if your libc does not properly support iconv.
308 AS_HELP_STRING([--without-iconv],
309 [if your architecture doesn't properly support iconv])
310 AS_HELP_STRING([--with-iconv=PATH],
311 [PATH is prefix for libiconv library and headers])
313 [used only if you need linking with libiconv]),
314 GIT_PARSE_WITH(iconv))
316 ## --enable-FEATURE[=ARG] and --disable-FEATURE
318 # Define USE_NSEC below if you want git to care about sub-second file mtimes
319 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
320 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
321 # randomly break unless your underlying filesystem supports those sub-second
322 # times (my ext3 doesn't).
324 # Define USE_STDEV below if you want git to care about the underlying device
325 # change being considered an inode change from the update-index perspective.
328 # Allow user to set ETC_GITCONFIG variable
329 GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG,
330 Use VALUE instead of /etc/gitconfig as the
331 global git configuration file.
332 If VALUE is not fully qualified it will be interpreted
333 as a path relative to the computed prefix at runtime.)
336 # Allow user to set ETC_GITATTRIBUTES variable
337 GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES,
338 Use VALUE instead of /etc/gitattributes as the
339 global git attributes file.
340 If VALUE is not fully qualified it will be interpreted
341 as a path relative to the computed prefix at runtime.)
344 # Allow user to set the default pager
345 GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER,
346 Use VALUE as the fall-back pager instead of 'less'.
347 This is used by things like 'git log' when the user
348 does not specify a pager to use through alternate
349 methods. eg: /usr/bin/pager)
351 # Allow user to set the default editor
352 GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR,
353 Use VALUE as the fall-back editor instead of 'vi'.
354 This is used by things like 'git commit' when the user
355 does not specify a preferred editor through other
356 methods. eg: /usr/bin/editor)
359 # Define SHELL_PATH to provide path to shell.
360 GIT_ARG_SET_PATH(shell)
362 # Define PERL_PATH to provide path to Perl.
363 GIT_ARG_SET_PATH(perl)
365 # Define PYTHON_PATH to provide path to Python.
366 GIT_ARG_SET_PATH(python, allow-without)
368 # Define ZLIB_PATH to provide path to zlib.
369 GIT_ARG_SET_PATH(zlib)
371 # Declare the with-tcltk/without-tcltk options.
373 AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
374 AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
375 AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
376 AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),
377 GIT_PARSE_WITH(tcltk))
381 ## Checks for programs.
382 AC_MSG_NOTICE([CHECKS for programs])
386 case $ac_cv_c_inline in
387 inline | yes | no) ;;
388 *) AC_SUBST([INLINE], [$ac_cv_c_inline]) ;;
391 # which switch to pass runtime path to dynamic libraries to the linker
392 AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
393 SAVE_LDFLAGS="${LDFLAGS}"
394 LDFLAGS="${SAVE_LDFLAGS} -R /"
395 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
396 LDFLAGS="${SAVE_LDFLAGS}"
398 if test "$git_cv_ld_dashr" = "yes"; then
399 AC_SUBST(CC_LD_DYNPATH, [-R])
401 AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
402 SAVE_LDFLAGS="${LDFLAGS}"
403 LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
404 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
405 LDFLAGS="${SAVE_LDFLAGS}"
407 if test "$git_cv_ld_wl_rpath" = "yes"; then
408 AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
410 AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
411 SAVE_LDFLAGS="${LDFLAGS}"
412 LDFLAGS="${SAVE_LDFLAGS} -rpath /"
413 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
414 LDFLAGS="${SAVE_LDFLAGS}"
416 if test "$git_cv_ld_rpath" = "yes"; then
417 AC_SUBST(CC_LD_DYNPATH, [-rpath])
419 AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
423 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
424 AC_CHECK_TOOLS(AR, [gar ar], :)
425 AC_CHECK_PROGS(TAR, [gtar tar])
426 AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff])
427 # TCLTK_PATH will be set to some value if we want Tcl/Tk
428 # or will be empty otherwise.
429 if test -z "$NO_TCLTK"; then
430 if test "$with_tcltk" = ""; then
431 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
434 elif test "$with_tcltk" = "yes"; then
435 # Tcl/Tk check requested.
436 AC_CHECK_PROGS(TCLTK_PATH, [wish], )
438 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
439 TCLTK_PATH="$with_tcltk"
443 AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
444 if test -n "$ASCIIDOC"; then
445 AC_MSG_CHECKING([for asciidoc version])
446 asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
447 case "${asciidoc_version}" in
449 AC_MSG_RESULT([${asciidoc_version}])
452 AC_MSG_RESULT([${asciidoc_version} (unknown)])
458 ## Checks for libraries.
459 AC_MSG_NOTICE([CHECKS for libraries])
461 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
462 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
464 GIT_STASH_FLAGS($OPENSSLDIR)
466 AC_CHECK_LIB([crypto], [SHA1_Init],
467 [NEEDS_SSL_WITH_CRYPTO=],
468 [AC_CHECK_LIB([ssl], [SHA1_Init],
469 [NEEDS_SSL_WITH_CRYPTO=YesPlease],
470 [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])])
472 GIT_UNSTASH_FLAGS($OPENSSLDIR)
474 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
478 # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
479 # able to use Perl-compatible regular expressions.
482 if test -n "$USE_LIBPCRE"; then
484 GIT_STASH_FLAGS($LIBPCREDIR)
486 AC_CHECK_LIB([pcre], [pcre_version],
487 [USE_LIBPCRE=YesPlease],
490 GIT_UNSTASH_FLAGS($LIBPCREDIR)
492 AC_SUBST(USE_LIBPCRE)
497 # Define NO_CURL if you do not have libcurl installed. git-http-pull and
498 # git-http-push are not built, and you cannot use http:// and https://
501 GIT_STASH_FLAGS($CURLDIR)
503 AC_CHECK_LIB([curl], [curl_global_init],
507 GIT_UNSTASH_FLAGS($CURLDIR)
512 # Define NO_EXPAT if you do not have expat installed. git-http-push is
513 # not built, and you cannot push using http:// and https:// transports.
515 GIT_STASH_FLAGS($EXPATDIR)
517 AC_CHECK_LIB([expat], [XML_ParserCreate],
519 [NO_EXPAT=YesPlease])
521 GIT_UNSTASH_FLAGS($EXPATDIR)
526 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
527 # some Solaris installations).
528 # Define NO_ICONV if neither libc nor libiconv support iconv.
530 if test -z "$NO_ICONV"; then
532 GIT_STASH_FLAGS($ICONVDIR)
534 AC_DEFUN([ICONVTEST_SRC],
535 [AC_LANG_PROGRAM([#include <iconv.h>],
536 [iconv_open("", "");])])
538 if test -n "$ICONVDIR"; then
539 lib_order="-liconv -lc"
541 lib_order="-lc -liconv"
546 for l in $lib_order; do
547 if test "$l" = "-liconv"; then
548 NEEDS_LIBICONV=YesPlease
555 AC_MSG_CHECKING([for iconv in $l])
556 AC_LINK_IFELSE([ICONVTEST_SRC],
557 [AC_MSG_RESULT([yes])
560 [AC_MSG_RESULT([no])])
567 GIT_UNSTASH_FLAGS($ICONVDIR)
569 AC_SUBST(NEEDS_LIBICONV)
572 if test -n "$NO_ICONV"; then
579 # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
581 GIT_STASH_FLAGS($ZLIB_PATH)
583 AC_DEFUN([ZLIBTEST_SRC], [
584 AC_LANG_PROGRAM([#include <zlib.h>],
585 [deflateBound(0, 0);])])
586 AC_MSG_CHECKING([for deflateBound in -lz])
589 AC_LINK_IFELSE([ZLIBTEST_SRC],
590 [AC_MSG_RESULT([yes])],
592 NO_DEFLATE_BOUND=yes])
595 GIT_UNSTASH_FLAGS($ZLIB_PATH)
597 AC_SUBST(NO_DEFLATE_BOUND)
600 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
602 AC_CHECK_LIB([c], [socket],
604 [NEEDS_SOCKET=YesPlease])
605 AC_SUBST(NEEDS_SOCKET)
606 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
609 # The next few tests will define NEEDS_RESOLV if linking with
610 # libresolv provides some of the functions we would normally get
613 AC_SUBST(NEEDS_RESOLV)
615 # Define NO_INET_NTOP if linking with -lresolv is not enough.
616 # Solaris 2.7 in particular hos inet_ntop in -lresolv.
618 AC_SUBST(NO_INET_NTOP)
619 AC_CHECK_FUNC([inet_ntop],
621 [AC_CHECK_LIB([resolv], [inet_ntop],
622 [NEEDS_RESOLV=YesPlease],
623 [NO_INET_NTOP=YesPlease])
626 # Define NO_INET_PTON if linking with -lresolv is not enough.
627 # Solaris 2.7 in particular hos inet_pton in -lresolv.
629 AC_SUBST(NO_INET_PTON)
630 AC_CHECK_FUNC([inet_pton],
632 [AC_CHECK_LIB([resolv], [inet_pton],
633 [NEEDS_RESOLV=YesPlease],
634 [NO_INET_PTON=YesPlease])
637 # Define NO_HSTRERROR if linking with -lresolv is not enough.
638 # Solaris 2.6 in particular has no hstrerror, even in -lresolv.
640 AC_CHECK_FUNC([hstrerror],
642 [AC_CHECK_LIB([resolv], [hstrerror],
643 [NEEDS_RESOLV=YesPlease],
644 [NO_HSTRERROR=YesPlease])
646 AC_SUBST(NO_HSTRERROR)
648 # If any of the above tests determined that -lresolv is needed at
649 # build-time, also set it here for remaining configure-time checks.
650 test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
652 AC_CHECK_LIB([c], [basename],
654 [NEEDS_LIBGEN=YesPlease])
655 AC_SUBST(NEEDS_LIBGEN)
656 test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen"
658 AC_CHECK_LIB([c], [gettext],
659 [LIBC_CONTAINS_LIBINTL=YesPlease],
660 [LIBC_CONTAINS_LIBINTL=])
661 AC_SUBST(LIBC_CONTAINS_LIBINTL)
664 # Define NO_GETTEXT if you don't want Git output to be translated.
665 # A translated Git requires GNU libintl or another gettext implementation
666 AC_CHECK_HEADER([libintl.h],
668 [NO_GETTEXT=YesPlease])
671 if test -z "$NO_GETTEXT"; then
672 test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl"
675 ## Checks for header files.
676 AC_MSG_NOTICE([CHECKS for header files])
678 # Define NO_SYS_SELECT_H if you don't have sys/select.h.
679 AC_CHECK_HEADER([sys/select.h],
681 [NO_SYS_SELECT_H=UnfortunatelyYes])
682 AC_SUBST(NO_SYS_SELECT_H)
684 # Define NO_SYS_POLL_H if you don't have sys/poll.h
685 AC_CHECK_HEADER([sys/poll.h],
687 [NO_SYS_POLL_H=UnfortunatelyYes])
688 AC_SUBST(NO_SYS_POLL_H)
690 # Define NO_INTTYPES_H if you don't have inttypes.h
691 AC_CHECK_HEADER([inttypes.h],
693 [NO_INTTYPES_H=UnfortunatelyYes])
694 AC_SUBST(NO_INTTYPES_H)
696 # Define OLD_ICONV if your library has an old iconv(), where the second
697 # (input buffer pointer) parameter is declared with type (const char **).
698 AC_DEFUN([OLDICONVTEST_SRC], [
702 extern size_t iconv(iconv_t cd,
703 char **inbuf, size_t *inbytesleft,
704 char **outbuf, size_t *outbytesleft);
707 GIT_STASH_FLAGS($ICONVDIR)
709 AC_MSG_CHECKING([for old iconv()])
710 AC_COMPILE_IFELSE([OLDICONVTEST_SRC],
711 [AC_MSG_RESULT([no])],
712 [AC_MSG_RESULT([yes])
713 OLD_ICONV=UnfortunatelyYes])
715 GIT_UNSTASH_FLAGS($ICONVDIR)
719 ## Checks for typedefs, structures, and compiler characteristics.
720 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
723 case $ac_cv_type_socklen_t in
725 *) AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;;
728 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
729 AC_CHECK_MEMBER(struct dirent.d_ino,
730 [NO_D_INO_IN_DIRENT=],
731 [NO_D_INO_IN_DIRENT=YesPlease],
732 [#include <dirent.h>])
733 AC_SUBST(NO_D_INO_IN_DIRENT)
735 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
736 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
737 AC_CHECK_MEMBER(struct dirent.d_type,
738 [NO_D_TYPE_IN_DIRENT=],
739 [NO_D_TYPE_IN_DIRENT=YesPlease],
740 [#include <dirent.h>])
741 AC_SUBST(NO_D_TYPE_IN_DIRENT)
743 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
745 AC_CHECK_TYPE(struct sockaddr_storage,
746 [NO_SOCKADDR_STORAGE=],
747 [NO_SOCKADDR_STORAGE=YesPlease],[
748 #include <sys/types.h>
749 #include <sys/socket.h>
751 AC_SUBST(NO_SOCKADDR_STORAGE)
753 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
754 AC_CHECK_TYPE([struct addrinfo],[
755 GIT_CHECK_FUNC([getaddrinfo],
758 ],[NO_IPV6=YesPlease],[
759 #include <sys/types.h>
760 #include <sys/socket.h>
765 # Define NO_REGEX if you have no or inferior regex support in your C library.
766 AC_CACHE_CHECK([whether the platform regex can handle null bytes],
767 [ac_cv_c_excellent_regex], [
768 AC_EGREP_CPP(yippeeyeswehaveit,
769 AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
776 [ac_cv_c_excellent_regex=yes],
777 [ac_cv_c_excellent_regex=no])
779 if test $ac_cv_c_excellent_regex = yes; then
786 # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
787 # when attempting to read from an fopen'ed directory.
788 AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
789 [ac_cv_fread_reads_directories],
792 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
794 FILE *f = fopen(".", "r");
795 return f && fread(&c, 1, 1, f)]])],
796 [ac_cv_fread_reads_directories=no],
797 [ac_cv_fread_reads_directories=yes])
799 if test $ac_cv_fread_reads_directories = yes; then
800 FREAD_READS_DIRECTORIES=UnfortunatelyYes
802 FREAD_READS_DIRECTORIES=
804 AC_SUBST(FREAD_READS_DIRECTORIES)
806 # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
807 # or vsnprintf() return -1 instead of number of characters which would
808 # have been written to the final string if enough space had been available.
809 AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
810 [ac_cv_snprintf_returns_bogus],
813 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
816 int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
820 va_start(ap, format);
821 ret = vsnprintf(str, maxsize, format, ap);
826 if (test_vsnprintf(buf, 3, "%s", "12345") != 5
827 || strcmp(buf, "12")) return 1;
828 if (snprintf(buf, 3, "%s", "12345") != 5
829 || strcmp(buf, "12")) return 1]])],
830 [ac_cv_snprintf_returns_bogus=no],
831 [ac_cv_snprintf_returns_bogus=yes])
833 if test $ac_cv_snprintf_returns_bogus = yes; then
834 SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
836 SNPRINTF_RETURNS_BOGUS=
838 AC_SUBST(SNPRINTF_RETURNS_BOGUS)
841 ## Checks for library functions.
842 ## (in default C library and libraries checked by AC_CHECK_LIB)
843 AC_MSG_NOTICE([CHECKS for library functions])
845 # Define NO_LIBGEN_H if you don't have libgen.h.
846 AC_CHECK_HEADER([libgen.h],
848 [NO_LIBGEN_H=YesPlease])
849 AC_SUBST(NO_LIBGEN_H)
851 # Define HAVE_PATHS_H if you have paths.h.
852 AC_CHECK_HEADER([paths.h],
853 [HAVE_PATHS_H=YesPlease],
855 AC_SUBST(HAVE_PATHS_H)
857 # Define HAVE_LIBCHARSET_H if have libcharset.h
858 AC_CHECK_HEADER([libcharset.h],
859 [HAVE_LIBCHARSET_H=YesPlease],
860 [HAVE_LIBCHARSET_H=])
861 AC_SUBST(HAVE_LIBCHARSET_H)
862 # Define CHARSET_LIB if libiconv does not export the locale_charset symbol
863 # and libcharset does
865 AC_CHECK_LIB([iconv], [locale_charset],
867 [AC_CHECK_LIB([charset], [locale_charset],
868 [CHARSET_LIB=-lcharset])
871 AC_SUBST(CHARSET_LIB)
873 # Define NO_STRCASESTR if you don't have strcasestr.
874 GIT_CHECK_FUNC(strcasestr,
876 [NO_STRCASESTR=YesPlease])
877 AC_SUBST(NO_STRCASESTR)
879 # Define NO_STRTOK_R if you don't have strtok_r
880 GIT_CHECK_FUNC(strtok_r,
882 [NO_STRTOK_R=YesPlease])
883 AC_SUBST(NO_STRTOK_R)
885 # Define NO_FNMATCH if you don't have fnmatch
886 GIT_CHECK_FUNC(fnmatch,
888 [NO_FNMATCH=YesPlease])
891 # Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the
892 # FNM_CASEFOLD GNU extension.
893 AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension],
894 [ac_cv_c_excellent_fnmatch], [
895 AC_EGREP_CPP(yippeeyeswehaveit,
903 [ac_cv_c_excellent_fnmatch=yes],
904 [ac_cv_c_excellent_fnmatch=no])
906 if test $ac_cv_c_excellent_fnmatch = yes; then
909 NO_FNMATCH_CASEFOLD=YesPlease
911 AC_SUBST(NO_FNMATCH_CASEFOLD)
913 # Define NO_MEMMEM if you don't have memmem.
914 GIT_CHECK_FUNC(memmem,
916 [NO_MEMMEM=YesPlease])
919 # Define NO_STRLCPY if you don't have strlcpy.
920 GIT_CHECK_FUNC(strlcpy,
922 [NO_STRLCPY=YesPlease])
925 # Define NO_UINTMAX_T if your platform does not have uintmax_t
926 AC_CHECK_TYPE(uintmax_t,
928 [NO_UINTMAX_T=YesPlease],[
929 #include <inttypes.h>
931 AC_SUBST(NO_UINTMAX_T)
933 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
934 GIT_CHECK_FUNC(strtoumax,
936 [NO_STRTOUMAX=YesPlease])
937 AC_SUBST(NO_STRTOUMAX)
939 # Define NO_SETENV if you don't have setenv in the C library.
940 GIT_CHECK_FUNC(setenv,
942 [NO_SETENV=YesPlease])
945 # Define NO_UNSETENV if you don't have unsetenv in the C library.
946 GIT_CHECK_FUNC(unsetenv,
948 [NO_UNSETENV=YesPlease])
949 AC_SUBST(NO_UNSETENV)
951 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
952 GIT_CHECK_FUNC(mkdtemp,
954 [NO_MKDTEMP=YesPlease])
957 # Define NO_MKSTEMPS if you don't have mkstemps in the C library.
958 GIT_CHECK_FUNC(mkstemps,
960 [NO_MKSTEMPS=YesPlease])
961 AC_SUBST(NO_MKSTEMPS)
963 # Define NO_INITGROUPS if you don't have initgroups in the C library.
964 GIT_CHECK_FUNC(initgroups,
966 [NO_INITGROUPS=YesPlease])
967 AC_SUBST(NO_INITGROUPS)
970 # Define NO_MMAP if you want to avoid mmap.
972 # Define NO_ICONV if your libc does not properly support iconv.
976 # Define USE_PIC if you need the main git objects to be built with -fPIC
977 # in order to build and link perl/Git.so. x86-64 seems to need this.
979 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
980 # Enable it on Windows. By default, symrefs are still used.
982 # Define NO_PTHREADS if we do not have pthreads.
984 # Define PTHREAD_LIBS to the linker flag used for Pthread support.
985 AC_DEFUN([PTHREADTEST_SRC], [
989 pthread_mutex_t test_mutex;
990 pthread_key_t test_key;
992 retcode |= pthread_key_create(&test_key, (void *)0);
993 retcode |= pthread_mutex_init(&test_mutex,(void *)0);
994 retcode |= pthread_mutex_lock(&test_mutex);
995 retcode |= pthread_mutex_unlock(&test_mutex);
999 dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
1000 dnl [[#include <pthread.h>]],
1001 dnl [[pthread_mutex_t test_mutex;]]
1004 NO_PTHREADS=UnfortunatelyYes
1007 if test -n "$USER_NOPTHREAD"; then
1008 AC_MSG_NOTICE([Skipping POSIX Threads at user request.])
1009 # handle these separately since PTHREAD_CFLAGS could be '-lpthreads
1010 # -D_REENTRANT' or some such.
1011 elif test -z "$PTHREAD_CFLAGS"; then
1013 for opt in -mt -pthread -lpthread; do
1014 old_CFLAGS="$CFLAGS"
1015 CFLAGS="$opt $CFLAGS"
1016 AC_MSG_CHECKING([Checking for POSIX Threads with '$opt'])
1017 AC_LINK_IFELSE([PTHREADTEST_SRC],
1018 [AC_MSG_RESULT([yes])
1021 PTHREAD_CFLAGS="$opt"
1025 [AC_MSG_RESULT([no])])
1026 CFLAGS="$old_CFLAGS"
1028 if test $threads_found != yes; then
1029 AC_CHECK_LIB([pthread], [pthread_create],
1030 [PTHREAD_LIBS="-lpthread"],
1031 [NO_PTHREADS=UnfortunatelyYes])
1034 old_CFLAGS="$CFLAGS"
1035 CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
1036 AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS'])
1037 AC_LINK_IFELSE([PTHREADTEST_SRC],
1038 [AC_MSG_RESULT([yes])
1040 PTHREAD_LIBS="$PTHREAD_CFLAGS"
1042 [AC_MSG_RESULT([no])])
1044 CFLAGS="$old_CFLAGS"
1047 CFLAGS="$old_CFLAGS"
1049 AC_SUBST(PTHREAD_CFLAGS)
1050 AC_SUBST(PTHREAD_LIBS)
1051 AC_SUBST(NO_PTHREADS)
1054 AC_CONFIG_FILES(["${config_file}":"${config_in}"])