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}dnl
12 $1=m4_if([$#],[1],[${$1}],[$2])"])
16 # Prepare shell variables and autoconf machine required by later calls
18 AC_DEFUN([GIT_CONF_SUBST_INIT],
19 [config_appended_defs=; newline='
21 AC_CONFIG_COMMANDS([$config_file],
22 [echo "$config_appended_defs" >> "$config_file"],
23 [config_file=$config_file
24 config_appended_defs="$config_appended_defs"])])
26 # GIT_ARG_SET_PATH(PROGRAM)
27 # -------------------------
28 # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
29 # Optional second argument allows setting NO_PROGRAM=YesPlease if
30 # --without-PROGRAM version used.
31 AC_DEFUN([GIT_ARG_SET_PATH],
33 [AS_HELP_STRING([--with-$1=PATH],
34 [provide PATH to $1])],
35 [GIT_CONF_APPEND_PATH([$1], [$2])],
38 # GIT_CONF_APPEND_PATH(PROGRAM)
39 # -----------------------------
40 # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
41 # Used by GIT_ARG_SET_PATH(PROGRAM)
42 # Optional second argument allows setting NO_PROGRAM=YesPlease if
43 # --without-PROGRAM is used.
44 AC_DEFUN([GIT_CONF_APPEND_PATH],
45 [m4_pushdef([GIT_UC_PROGRAM], m4_toupper([$1]))dnl
46 if test "$withval" = "no"; then
48 GIT_UC_PROGRAM[]_PATH=$withval
49 AC_MSG_NOTICE([Disabling use of GIT_UC_PROGRAM])
50 GIT_CONF_SUBST([NO_]GIT_UC_PROGRAM, [YesPlease])
51 GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [])
53 AC_MSG_ERROR([You cannot use git without $1])
56 if test "$withval" = "yes"; then
57 AC_MSG_WARN([You should provide path for --with-$1=PATH])
59 GIT_UC_PROGRAM[]_PATH=$withval
60 AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval])
61 GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [$withval])
64 m4_popdef([GIT_UC_PROGRAM])])
66 # GIT_PARSE_WITH(PACKAGE)
67 # -----------------------
68 # For use in AC_ARG_WITH action-if-found, for packages default ON.
69 # * Set NO_PACKAGE=YesPlease for --without-PACKAGE
70 # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
71 # * Unset NO_PACKAGE for --with-PACKAGE without ARG
72 AC_DEFUN([GIT_PARSE_WITH],
73 [m4_pushdef([GIT_UC_PACKAGE], m4_toupper([$1]))dnl
74 if test "$withval" = "no"; then
75 NO_[]GIT_UC_PACKAGE=YesPlease
76 elif test "$withval" = "yes"; then
80 GIT_UC_PACKAGE[]DIR=$withval
81 AC_MSG_NOTICE([Setting GIT_UC_PACKAGE[]DIR to $withval])
82 GIT_CONF_SUBST(GIT_UC_PACKAGE[DIR], [$withval])
84 m4_popdef([GIT_UC_PACKAGE])])
86 # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT)
87 # -----------------------------------------------------
88 # Set VAR to the value specied by --with-WITHNAME.
89 # No verification of arguments is performed, but warnings are issued
90 # if either 'yes' or 'no' is specified.
91 # HELP_TEXT is presented when --help is called.
92 # This is a direct way to allow setting variables in the Makefile.
93 AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR],
95 [AS_HELP_STRING([--with-$1=VALUE], $3)],
96 if test -n "$withval"; then
97 if test "$withval" = "yes" -o "$withval" = "no"; then
98 AC_MSG_WARN([You likely do not want either 'yes' or 'no' as]
99 [a value for $1 ($2). Maybe you do...?])
101 AC_MSG_NOTICE([Setting $2 to $withval])
102 GIT_CONF_SUBST([$2], [$withval])
103 fi)])# GIT_PARSE_WITH_SET_MAKE_VAR
106 # GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
107 # -----------------------------------------
108 # Similar to AC_CHECK_FUNC, but on systems that do not generate
109 # warnings for missing prototypes (e.g. FreeBSD when compiling without
110 # -Wall), it does not work. By looking for function definition in
111 # libraries, this problem can be worked around.
112 AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
113 AC_SEARCH_LIBS([$1],,
118 # GIT_STASH_FLAGS(BASEPATH_VAR)
119 # -----------------------------
120 # Allow for easy stashing of LDFLAGS and CPPFLAGS before running
121 # tests that may want to take user settings into account.
122 AC_DEFUN([GIT_STASH_FLAGS],[
123 if test -n "$1"; then
124 old_CPPFLAGS="$CPPFLAGS"
125 old_LDFLAGS="$LDFLAGS"
126 CPPFLAGS="-I$1/include $CPPFLAGS"
127 LDFLAGS="-L$1/$lib $LDFLAGS"
132 dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
133 dnl -----------------------------
134 dnl Restore the stashed *FLAGS values.
135 AC_DEFUN([GIT_UNSTASH_FLAGS],[
136 if test -n "$1"; then
137 CPPFLAGS="$old_CPPFLAGS"
138 LDFLAGS="$old_LDFLAGS"
142 ## Configure body starts here.
145 AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
147 AC_CONFIG_SRCDIR([git.c])
149 config_file=config.mak.autogen
150 config_in=config.mak.in
152 GIT_CONF_SUBST([AUTOCONFIGURED], [YesPlease])
154 # Directories holding "saner" versions of common or POSIX binaries.
155 AC_ARG_WITH([sane-tool-path],
157 [--with-sane-tool-path=DIR-1[[:DIR-2...:DIR-n]]],
158 [Directories to prepend to PATH in build system and generated scripts])],
159 [if test "$withval" = "no"; then
162 AC_MSG_NOTICE([Setting SANE_TOOL_PATH to '$withval'])
164 GIT_CONF_SUBST([SANE_TOOL_PATH], [$withval])],
165 [# If the "--with-sane-tool-path" option was not given, don't touch
166 # SANE_TOOL_PATH here, but let defaults in Makefile take care of it.
167 # This should minimize spurious differences in the behaviour of the
168 # Git build system when configure is used w.r.t. when it is not.
171 ## Site configuration related to programs (before tests)
172 ## --with-PACKAGE[=ARG] and --without-PACKAGE
174 # Set lib to alternative name of lib directory (e.g. lib64)
176 [AS_HELP_STRING([--with-lib=ARG],
177 [ARG specifies alternative name for lib directory])],
178 [if test "$withval" = "no" || test "$withval" = "yes"; then
179 AC_MSG_WARN([You should provide name for --with-lib=ARG])
182 AC_MSG_NOTICE([Setting lib to '$lib'])
183 GIT_CONF_SUBST([lib])
186 if test -z "$lib"; then
187 AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
191 AC_ARG_ENABLE([pthreads],
192 [AS_HELP_STRING([--enable-pthreads=FLAGS],
193 [FLAGS is the value to pass to the compiler to enable POSIX Threads.]
194 [The default if FLAGS is not specified is to try first -pthread]
195 [and then -lpthread.]
196 [--without-pthreads will disable threading.])],
198 if test "x$enableval" = "xyes"; then
199 AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads])
200 elif test "x$enableval" != "xno"; then
201 PTHREAD_CFLAGS=$enableval
202 AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
204 AC_MSG_NOTICE([POSIX Threads will be disabled.])
205 NO_PTHREADS=YesPlease
209 AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
212 # Define option to enable JavaScript minification
213 AC_ARG_ENABLE([jsmin],
214 [AS_HELP_STRING([--enable-jsmin=PATH],
215 [PATH is the name of a JavaScript minifier or the absolute path to one.])],
218 AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying])
219 GIT_CONF_SUBST([JSMIN])
222 # Define option to enable CSS minification
223 AC_ARG_ENABLE([cssmin],
224 [AS_HELP_STRING([--enable-cssmin=PATH],
225 [PATH is the name of a CSS minifier or the absolute path to one.])],
228 AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying])
229 GIT_CONF_SUBST([CSSMIN])
232 ## Site configuration (override autodetection)
233 ## --with-PACKAGE[=ARG] and --without-PACKAGE
234 AC_MSG_NOTICE([CHECKS for site configuration])
236 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
237 # tests. These tests take up a significant amount of the total test time
238 # but are not needed unless you plan to talk to SVN repos.
240 # Define PPC_SHA1 environment variable when running make to make use of
241 # a bundled SHA1 routine optimized for PowerPC.
243 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
244 # This also implies BLK_SHA1.
246 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
247 # /foo/bar/include and /foo/bar/lib directories.
249 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
250 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),
251 GIT_PARSE_WITH([openssl]))
253 # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
254 # able to use Perl-compatible regular expressions.
256 # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
257 # /foo/bar/include and /foo/bar/lib directories.
260 AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)])
261 AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]),
262 if test "$withval" = "no"; then
264 elif test "$withval" = "yes"; then
265 USE_LIBPCRE=YesPlease
267 USE_LIBPCRE=YesPlease
269 AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR])
270 GIT_CONF_SUBST([LIBPCREDIR])
273 # Define NO_CURL if you do not have curl installed. git-http-pull and
274 # git-http-push are not built, and you cannot use http:// and https://
277 # Define CURLDIR=/foo/bar if your curl header and library files are in
278 # /foo/bar/include and /foo/bar/lib directories.
280 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
281 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
282 GIT_PARSE_WITH(curl))
284 # Define NO_EXPAT if you do not have expat installed. git-http-push is
285 # not built, and you cannot push using http:// and https:// transports.
287 # Define EXPATDIR=/foo/bar if your expat header and library files are in
288 # /foo/bar/include and /foo/bar/lib directories.
290 AS_HELP_STRING([--with-expat],
291 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
292 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
293 GIT_PARSE_WITH(expat))
295 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
296 # installed in /sw, but don't want GIT to link against any libraries
297 # installed there. If defined you may specify your own (or Fink's)
298 # include directories and library directories by defining CFLAGS
299 # and LDFLAGS appropriately.
301 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
302 # have DarwinPorts installed in /opt/local, but don't want GIT to
303 # link against any libraries installed there. If defined you may
304 # specify your own (or DarwinPort's) include directories and
305 # library directories by defining CFLAGS and LDFLAGS appropriately.
307 # Define NO_MMAP if you want to avoid mmap.
309 # Define NO_ICONV if your libc does not properly support iconv.
311 AS_HELP_STRING([--without-iconv],
312 [if your architecture doesn't properly support iconv])
313 AS_HELP_STRING([--with-iconv=PATH],
314 [PATH is prefix for libiconv library and headers])
316 [used only if you need linking with libiconv]),
317 GIT_PARSE_WITH(iconv))
319 ## --enable-FEATURE[=ARG] and --disable-FEATURE
321 # Define USE_NSEC below if you want git to care about sub-second file mtimes
322 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
323 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
324 # randomly break unless your underlying filesystem supports those sub-second
325 # times (my ext3 doesn't).
327 # Define USE_STDEV below if you want git to care about the underlying device
328 # change being considered an inode change from the update-index perspective.
331 # Allow user to set ETC_GITCONFIG variable
332 GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG,
333 Use VALUE instead of /etc/gitconfig as the
334 global git configuration file.
335 If VALUE is not fully qualified it will be interpreted
336 as a path relative to the computed prefix at runtime.)
339 # Allow user to set ETC_GITATTRIBUTES variable
340 GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES,
341 Use VALUE instead of /etc/gitattributes as the
342 global git attributes file.
343 If VALUE is not fully qualified it will be interpreted
344 as a path relative to the computed prefix at runtime.)
347 # Allow user to set the default pager
348 GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER,
349 Use VALUE as the fall-back pager instead of 'less'.
350 This is used by things like 'git log' when the user
351 does not specify a pager to use through alternate
352 methods. eg: /usr/bin/pager)
354 # Allow user to set the default editor
355 GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR,
356 Use VALUE as the fall-back editor instead of 'vi'.
357 This is used by things like 'git commit' when the user
358 does not specify a preferred editor through other
359 methods. eg: /usr/bin/editor)
362 # Define SHELL_PATH to provide path to shell.
363 GIT_ARG_SET_PATH(shell)
365 # Define PERL_PATH to provide path to Perl.
366 GIT_ARG_SET_PATH(perl)
368 # Define PYTHON_PATH to provide path to Python.
369 GIT_ARG_SET_PATH(python, allow-without)
371 # Define ZLIB_PATH to provide path to zlib.
372 GIT_ARG_SET_PATH(zlib)
374 # Declare the with-tcltk/without-tcltk options.
376 AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
377 AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
378 AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
379 AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),
380 GIT_PARSE_WITH(tcltk))
384 ## Checks for programs.
385 AC_MSG_NOTICE([CHECKS for programs])
389 case $ac_cv_c_inline in
390 inline | yes | no) ;;
391 *) AC_SUBST([INLINE], [$ac_cv_c_inline]) ;;
394 # which switch to pass runtime path to dynamic libraries to the linker
395 AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
396 SAVE_LDFLAGS="${LDFLAGS}"
397 LDFLAGS="${SAVE_LDFLAGS} -R /"
398 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
399 LDFLAGS="${SAVE_LDFLAGS}"
401 if test "$git_cv_ld_dashr" = "yes"; then
402 AC_SUBST(CC_LD_DYNPATH, [-R])
404 AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
405 SAVE_LDFLAGS="${LDFLAGS}"
406 LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
407 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
408 LDFLAGS="${SAVE_LDFLAGS}"
410 if test "$git_cv_ld_wl_rpath" = "yes"; then
411 AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
413 AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
414 SAVE_LDFLAGS="${LDFLAGS}"
415 LDFLAGS="${SAVE_LDFLAGS} -rpath /"
416 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
417 LDFLAGS="${SAVE_LDFLAGS}"
419 if test "$git_cv_ld_rpath" = "yes"; then
420 AC_SUBST(CC_LD_DYNPATH, [-rpath])
422 AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
426 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
427 AC_CHECK_TOOLS(AR, [gar ar], :)
428 AC_CHECK_PROGS(TAR, [gtar tar])
429 AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff])
430 # TCLTK_PATH will be set to some value if we want Tcl/Tk
431 # or will be empty otherwise.
432 if test -z "$NO_TCLTK"; then
433 if test "$with_tcltk" = ""; then
434 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
437 elif test "$with_tcltk" = "yes"; then
438 # Tcl/Tk check requested.
439 AC_CHECK_PROGS(TCLTK_PATH, [wish], )
441 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
442 TCLTK_PATH="$with_tcltk"
446 AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
447 if test -n "$ASCIIDOC"; then
448 AC_MSG_CHECKING([for asciidoc version])
449 asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
450 case "${asciidoc_version}" in
452 AC_MSG_RESULT([${asciidoc_version}])
455 AC_MSG_RESULT([${asciidoc_version} (unknown)])
461 ## Checks for libraries.
462 AC_MSG_NOTICE([CHECKS for libraries])
464 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
465 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
467 GIT_STASH_FLAGS($OPENSSLDIR)
469 AC_CHECK_LIB([crypto], [SHA1_Init],
470 [NEEDS_SSL_WITH_CRYPTO=],
471 [AC_CHECK_LIB([ssl], [SHA1_Init],
472 [NEEDS_SSL_WITH_CRYPTO=YesPlease],
473 [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])])
475 GIT_UNSTASH_FLAGS($OPENSSLDIR)
477 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
481 # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
482 # able to use Perl-compatible regular expressions.
485 if test -n "$USE_LIBPCRE"; then
487 GIT_STASH_FLAGS($LIBPCREDIR)
489 AC_CHECK_LIB([pcre], [pcre_version],
490 [USE_LIBPCRE=YesPlease],
493 GIT_UNSTASH_FLAGS($LIBPCREDIR)
495 AC_SUBST(USE_LIBPCRE)
500 # Define NO_CURL if you do not have libcurl installed. git-http-pull and
501 # git-http-push are not built, and you cannot use http:// and https://
504 GIT_STASH_FLAGS($CURLDIR)
506 AC_CHECK_LIB([curl], [curl_global_init],
510 GIT_UNSTASH_FLAGS($CURLDIR)
515 # Define NO_EXPAT if you do not have expat installed. git-http-push is
516 # not built, and you cannot push using http:// and https:// transports.
518 GIT_STASH_FLAGS($EXPATDIR)
520 AC_CHECK_LIB([expat], [XML_ParserCreate],
522 [NO_EXPAT=YesPlease])
524 GIT_UNSTASH_FLAGS($EXPATDIR)
529 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
530 # some Solaris installations).
531 # Define NO_ICONV if neither libc nor libiconv support iconv.
533 if test -z "$NO_ICONV"; then
535 GIT_STASH_FLAGS($ICONVDIR)
537 AC_DEFUN([ICONVTEST_SRC],
538 [AC_LANG_PROGRAM([#include <iconv.h>],
539 [iconv_open("", "");])])
541 if test -n "$ICONVDIR"; then
542 lib_order="-liconv -lc"
544 lib_order="-lc -liconv"
549 for l in $lib_order; do
550 if test "$l" = "-liconv"; then
551 NEEDS_LIBICONV=YesPlease
558 AC_MSG_CHECKING([for iconv in $l])
559 AC_LINK_IFELSE([ICONVTEST_SRC],
560 [AC_MSG_RESULT([yes])
563 [AC_MSG_RESULT([no])])
570 GIT_UNSTASH_FLAGS($ICONVDIR)
572 AC_SUBST(NEEDS_LIBICONV)
575 if test -n "$NO_ICONV"; then
582 # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
584 GIT_STASH_FLAGS($ZLIB_PATH)
586 AC_DEFUN([ZLIBTEST_SRC], [
587 AC_LANG_PROGRAM([#include <zlib.h>],
588 [deflateBound(0, 0);])])
589 AC_MSG_CHECKING([for deflateBound in -lz])
592 AC_LINK_IFELSE([ZLIBTEST_SRC],
593 [AC_MSG_RESULT([yes])],
595 NO_DEFLATE_BOUND=yes])
598 GIT_UNSTASH_FLAGS($ZLIB_PATH)
600 AC_SUBST(NO_DEFLATE_BOUND)
603 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
605 AC_CHECK_LIB([c], [socket],
607 [NEEDS_SOCKET=YesPlease])
608 AC_SUBST(NEEDS_SOCKET)
609 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
612 # The next few tests will define NEEDS_RESOLV if linking with
613 # libresolv provides some of the functions we would normally get
616 AC_SUBST(NEEDS_RESOLV)
618 # Define NO_INET_NTOP if linking with -lresolv is not enough.
619 # Solaris 2.7 in particular hos inet_ntop in -lresolv.
621 AC_SUBST(NO_INET_NTOP)
622 AC_CHECK_FUNC([inet_ntop],
624 [AC_CHECK_LIB([resolv], [inet_ntop],
625 [NEEDS_RESOLV=YesPlease],
626 [NO_INET_NTOP=YesPlease])
629 # Define NO_INET_PTON if linking with -lresolv is not enough.
630 # Solaris 2.7 in particular hos inet_pton in -lresolv.
632 AC_SUBST(NO_INET_PTON)
633 AC_CHECK_FUNC([inet_pton],
635 [AC_CHECK_LIB([resolv], [inet_pton],
636 [NEEDS_RESOLV=YesPlease],
637 [NO_INET_PTON=YesPlease])
640 # Define NO_HSTRERROR if linking with -lresolv is not enough.
641 # Solaris 2.6 in particular has no hstrerror, even in -lresolv.
643 AC_CHECK_FUNC([hstrerror],
645 [AC_CHECK_LIB([resolv], [hstrerror],
646 [NEEDS_RESOLV=YesPlease],
647 [NO_HSTRERROR=YesPlease])
649 AC_SUBST(NO_HSTRERROR)
651 # If any of the above tests determined that -lresolv is needed at
652 # build-time, also set it here for remaining configure-time checks.
653 test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
655 AC_CHECK_LIB([c], [basename],
657 [NEEDS_LIBGEN=YesPlease])
658 AC_SUBST(NEEDS_LIBGEN)
659 test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen"
661 AC_CHECK_LIB([c], [gettext],
662 [LIBC_CONTAINS_LIBINTL=YesPlease],
663 [LIBC_CONTAINS_LIBINTL=])
664 AC_SUBST(LIBC_CONTAINS_LIBINTL)
667 # Define NO_GETTEXT if you don't want Git output to be translated.
668 # A translated Git requires GNU libintl or another gettext implementation
669 AC_CHECK_HEADER([libintl.h],
671 [NO_GETTEXT=YesPlease])
674 if test -z "$NO_GETTEXT"; then
675 test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl"
678 ## Checks for header files.
679 AC_MSG_NOTICE([CHECKS for header files])
681 # Define NO_SYS_SELECT_H if you don't have sys/select.h.
682 AC_CHECK_HEADER([sys/select.h],
684 [NO_SYS_SELECT_H=UnfortunatelyYes])
685 AC_SUBST(NO_SYS_SELECT_H)
687 # Define NO_SYS_POLL_H if you don't have sys/poll.h
688 AC_CHECK_HEADER([sys/poll.h],
690 [NO_SYS_POLL_H=UnfortunatelyYes])
691 AC_SUBST(NO_SYS_POLL_H)
693 # Define NO_INTTYPES_H if you don't have inttypes.h
694 AC_CHECK_HEADER([inttypes.h],
696 [NO_INTTYPES_H=UnfortunatelyYes])
697 AC_SUBST(NO_INTTYPES_H)
699 # Define OLD_ICONV if your library has an old iconv(), where the second
700 # (input buffer pointer) parameter is declared with type (const char **).
701 AC_DEFUN([OLDICONVTEST_SRC], [
705 extern size_t iconv(iconv_t cd,
706 char **inbuf, size_t *inbytesleft,
707 char **outbuf, size_t *outbytesleft);
710 GIT_STASH_FLAGS($ICONVDIR)
712 AC_MSG_CHECKING([for old iconv()])
713 AC_COMPILE_IFELSE([OLDICONVTEST_SRC],
714 [AC_MSG_RESULT([no])],
715 [AC_MSG_RESULT([yes])
716 OLD_ICONV=UnfortunatelyYes])
718 GIT_UNSTASH_FLAGS($ICONVDIR)
722 ## Checks for typedefs, structures, and compiler characteristics.
723 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
726 case $ac_cv_type_socklen_t in
728 *) AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;;
731 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
732 AC_CHECK_MEMBER(struct dirent.d_ino,
733 [NO_D_INO_IN_DIRENT=],
734 [NO_D_INO_IN_DIRENT=YesPlease],
735 [#include <dirent.h>])
736 AC_SUBST(NO_D_INO_IN_DIRENT)
738 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
739 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
740 AC_CHECK_MEMBER(struct dirent.d_type,
741 [NO_D_TYPE_IN_DIRENT=],
742 [NO_D_TYPE_IN_DIRENT=YesPlease],
743 [#include <dirent.h>])
744 AC_SUBST(NO_D_TYPE_IN_DIRENT)
746 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
748 AC_CHECK_TYPE(struct sockaddr_storage,
749 [NO_SOCKADDR_STORAGE=],
750 [NO_SOCKADDR_STORAGE=YesPlease],[
751 #include <sys/types.h>
752 #include <sys/socket.h>
754 AC_SUBST(NO_SOCKADDR_STORAGE)
756 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
757 AC_CHECK_TYPE([struct addrinfo],[
758 GIT_CHECK_FUNC([getaddrinfo],
761 ],[NO_IPV6=YesPlease],[
762 #include <sys/types.h>
763 #include <sys/socket.h>
768 # Define NO_REGEX if you have no or inferior regex support in your C library.
769 AC_CACHE_CHECK([whether the platform regex can handle null bytes],
770 [ac_cv_c_excellent_regex], [
771 AC_EGREP_CPP(yippeeyeswehaveit,
772 AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
779 [ac_cv_c_excellent_regex=yes],
780 [ac_cv_c_excellent_regex=no])
782 if test $ac_cv_c_excellent_regex = yes; then
789 # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
790 # when attempting to read from an fopen'ed directory.
791 AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
792 [ac_cv_fread_reads_directories],
795 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
797 FILE *f = fopen(".", "r");
798 return f && fread(&c, 1, 1, f)]])],
799 [ac_cv_fread_reads_directories=no],
800 [ac_cv_fread_reads_directories=yes])
802 if test $ac_cv_fread_reads_directories = yes; then
803 FREAD_READS_DIRECTORIES=UnfortunatelyYes
805 FREAD_READS_DIRECTORIES=
807 AC_SUBST(FREAD_READS_DIRECTORIES)
809 # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
810 # or vsnprintf() return -1 instead of number of characters which would
811 # have been written to the final string if enough space had been available.
812 AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
813 [ac_cv_snprintf_returns_bogus],
816 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
819 int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
823 va_start(ap, format);
824 ret = vsnprintf(str, maxsize, format, ap);
829 if (test_vsnprintf(buf, 3, "%s", "12345") != 5
830 || strcmp(buf, "12")) return 1;
831 if (snprintf(buf, 3, "%s", "12345") != 5
832 || strcmp(buf, "12")) return 1]])],
833 [ac_cv_snprintf_returns_bogus=no],
834 [ac_cv_snprintf_returns_bogus=yes])
836 if test $ac_cv_snprintf_returns_bogus = yes; then
837 SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
839 SNPRINTF_RETURNS_BOGUS=
841 AC_SUBST(SNPRINTF_RETURNS_BOGUS)
844 ## Checks for library functions.
845 ## (in default C library and libraries checked by AC_CHECK_LIB)
846 AC_MSG_NOTICE([CHECKS for library functions])
848 # Define NO_LIBGEN_H if you don't have libgen.h.
849 AC_CHECK_HEADER([libgen.h],
851 [NO_LIBGEN_H=YesPlease])
852 AC_SUBST(NO_LIBGEN_H)
854 # Define HAVE_PATHS_H if you have paths.h.
855 AC_CHECK_HEADER([paths.h],
856 [HAVE_PATHS_H=YesPlease],
858 AC_SUBST(HAVE_PATHS_H)
860 # Define HAVE_LIBCHARSET_H if have libcharset.h
861 AC_CHECK_HEADER([libcharset.h],
862 [HAVE_LIBCHARSET_H=YesPlease],
863 [HAVE_LIBCHARSET_H=])
864 AC_SUBST(HAVE_LIBCHARSET_H)
865 # Define CHARSET_LIB if libiconv does not export the locale_charset symbol
866 # and libcharset does
868 AC_CHECK_LIB([iconv], [locale_charset],
870 [AC_CHECK_LIB([charset], [locale_charset],
871 [CHARSET_LIB=-lcharset])
874 AC_SUBST(CHARSET_LIB)
876 # Define NO_STRCASESTR if you don't have strcasestr.
877 GIT_CHECK_FUNC(strcasestr,
879 [NO_STRCASESTR=YesPlease])
880 AC_SUBST(NO_STRCASESTR)
882 # Define NO_STRTOK_R if you don't have strtok_r
883 GIT_CHECK_FUNC(strtok_r,
885 [NO_STRTOK_R=YesPlease])
886 AC_SUBST(NO_STRTOK_R)
888 # Define NO_FNMATCH if you don't have fnmatch
889 GIT_CHECK_FUNC(fnmatch,
891 [NO_FNMATCH=YesPlease])
894 # Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the
895 # FNM_CASEFOLD GNU extension.
896 AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension],
897 [ac_cv_c_excellent_fnmatch], [
898 AC_EGREP_CPP(yippeeyeswehaveit,
906 [ac_cv_c_excellent_fnmatch=yes],
907 [ac_cv_c_excellent_fnmatch=no])
909 if test $ac_cv_c_excellent_fnmatch = yes; then
912 NO_FNMATCH_CASEFOLD=YesPlease
914 AC_SUBST(NO_FNMATCH_CASEFOLD)
916 # Define NO_MEMMEM if you don't have memmem.
917 GIT_CHECK_FUNC(memmem,
919 [NO_MEMMEM=YesPlease])
922 # Define NO_STRLCPY if you don't have strlcpy.
923 GIT_CHECK_FUNC(strlcpy,
925 [NO_STRLCPY=YesPlease])
928 # Define NO_UINTMAX_T if your platform does not have uintmax_t
929 AC_CHECK_TYPE(uintmax_t,
931 [NO_UINTMAX_T=YesPlease],[
932 #include <inttypes.h>
934 AC_SUBST(NO_UINTMAX_T)
936 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
937 GIT_CHECK_FUNC(strtoumax,
939 [NO_STRTOUMAX=YesPlease])
940 AC_SUBST(NO_STRTOUMAX)
942 # Define NO_SETENV if you don't have setenv in the C library.
943 GIT_CHECK_FUNC(setenv,
945 [NO_SETENV=YesPlease])
948 # Define NO_UNSETENV if you don't have unsetenv in the C library.
949 GIT_CHECK_FUNC(unsetenv,
951 [NO_UNSETENV=YesPlease])
952 AC_SUBST(NO_UNSETENV)
954 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
955 GIT_CHECK_FUNC(mkdtemp,
957 [NO_MKDTEMP=YesPlease])
960 # Define NO_MKSTEMPS if you don't have mkstemps in the C library.
961 GIT_CHECK_FUNC(mkstemps,
963 [NO_MKSTEMPS=YesPlease])
964 AC_SUBST(NO_MKSTEMPS)
966 # Define NO_INITGROUPS if you don't have initgroups in the C library.
967 GIT_CHECK_FUNC(initgroups,
969 [NO_INITGROUPS=YesPlease])
970 AC_SUBST(NO_INITGROUPS)
973 # Define NO_MMAP if you want to avoid mmap.
975 # Define NO_ICONV if your libc does not properly support iconv.
979 # Define USE_PIC if you need the main git objects to be built with -fPIC
980 # in order to build and link perl/Git.so. x86-64 seems to need this.
982 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
983 # Enable it on Windows. By default, symrefs are still used.
985 # Define NO_PTHREADS if we do not have pthreads.
987 # Define PTHREAD_LIBS to the linker flag used for Pthread support.
988 AC_DEFUN([PTHREADTEST_SRC], [
992 pthread_mutex_t test_mutex;
993 pthread_key_t test_key;
995 retcode |= pthread_key_create(&test_key, (void *)0);
996 retcode |= pthread_mutex_init(&test_mutex,(void *)0);
997 retcode |= pthread_mutex_lock(&test_mutex);
998 retcode |= pthread_mutex_unlock(&test_mutex);
1002 dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
1003 dnl [[#include <pthread.h>]],
1004 dnl [[pthread_mutex_t test_mutex;]]
1007 NO_PTHREADS=UnfortunatelyYes
1010 if test -n "$USER_NOPTHREAD"; then
1011 AC_MSG_NOTICE([Skipping POSIX Threads at user request.])
1012 # handle these separately since PTHREAD_CFLAGS could be '-lpthreads
1013 # -D_REENTRANT' or some such.
1014 elif test -z "$PTHREAD_CFLAGS"; then
1016 for opt in -mt -pthread -lpthread; do
1017 old_CFLAGS="$CFLAGS"
1018 CFLAGS="$opt $CFLAGS"
1019 AC_MSG_CHECKING([Checking for POSIX Threads with '$opt'])
1020 AC_LINK_IFELSE([PTHREADTEST_SRC],
1021 [AC_MSG_RESULT([yes])
1024 PTHREAD_CFLAGS="$opt"
1028 [AC_MSG_RESULT([no])])
1029 CFLAGS="$old_CFLAGS"
1031 if test $threads_found != yes; then
1032 AC_CHECK_LIB([pthread], [pthread_create],
1033 [PTHREAD_LIBS="-lpthread"],
1034 [NO_PTHREADS=UnfortunatelyYes])
1037 old_CFLAGS="$CFLAGS"
1038 CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
1039 AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS'])
1040 AC_LINK_IFELSE([PTHREADTEST_SRC],
1041 [AC_MSG_RESULT([yes])
1043 PTHREAD_LIBS="$PTHREAD_CFLAGS"
1045 [AC_MSG_RESULT([no])])
1047 CFLAGS="$old_CFLAGS"
1050 CFLAGS="$old_CFLAGS"
1052 AC_SUBST(PTHREAD_CFLAGS)
1053 AC_SUBST(PTHREAD_LIBS)
1054 AC_SUBST(NO_PTHREADS)
1057 AC_CONFIG_FILES(["${config_file}":"${config_in}"])