]>
Commit | Line | Data |
---|---|---|
55667714 JN |
1 | # -*- Autoconf -*- |
2 | # Process this file with autoconf to produce a configure script. | |
3 | ||
5b2d1314 SL |
4 | ## Definitions of private macros. |
5 | ||
610473a6 SL |
6 | # GIT_CONF_SUBST(VAL, VAR) |
7 | # ------------------------ | |
ac5fc1c5 SL |
8 | # Cause the line "VAR=VAL" to be eventually appended to ${config_file}. |
9 | AC_DEFUN([GIT_CONF_SUBST], | |
3a34c2bf SL |
10 | [AC_REQUIRE([GIT_CONF_SUBST_INIT]) |
11 | config_appended_defs="$config_appended_defs${newline}dnl | |
12 | $1=m4_if([$#],[1],[${$1}],[$2])"]) | |
ac5fc1c5 SL |
13 | |
14 | # GIT_CONF_SUBST_INIT | |
15 | # ------------------- | |
16 | # Prepare shell variables and autoconf machine required by later calls | |
17 | # to GIT_CONF_SUBST. | |
18 | AC_DEFUN([GIT_CONF_SUBST_INIT], | |
19 | [config_appended_defs=; newline=' | |
20 | ' | |
21 | AC_CONFIG_COMMANDS([$config_file], | |
22 | [echo "$config_appended_defs" >> "$config_file"], | |
23 | [config_file=$config_file | |
24 | config_appended_defs="$config_appended_defs"])]) | |
5b2d1314 | 25 | |
657b062d JN |
26 | # GIT_ARG_SET_PATH(PROGRAM) |
27 | # ------------------------- | |
28 | # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM | |
f22cd7fc BW |
29 | # Optional second argument allows setting NO_PROGRAM=YesPlease if |
30 | # --without-PROGRAM version used. | |
657b062d | 31 | AC_DEFUN([GIT_ARG_SET_PATH], |
5b2d1314 SL |
32 | [AC_ARG_WITH([$1], |
33 | [AS_HELP_STRING([--with-$1=PATH], | |
34 | [provide PATH to $1])], | |
35 | [GIT_CONF_APPEND_PATH([$1], [$2])], | |
36 | [])]) | |
37 | ||
657b062d | 38 | # GIT_CONF_APPEND_PATH(PROGRAM) |
5b2d1314 | 39 | # ----------------------------- |
657b062d JN |
40 | # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH |
41 | # Used by GIT_ARG_SET_PATH(PROGRAM) | |
f22cd7fc BW |
42 | # Optional second argument allows setting NO_PROGRAM=YesPlease if |
43 | # --without-PROGRAM is used. | |
657b062d | 44 | AC_DEFUN([GIT_CONF_APPEND_PATH], |
5b2d1314 | 45 | [m4_pushdef([GIT_UC_PROGRAM], m4_toupper([$1]))dnl |
5b2d1314 SL |
46 | if test "$withval" = "no"; then |
47 | if test -n "$2"; then | |
48 | GIT_UC_PROGRAM[]_PATH=$withval | |
7f8cf48c SL |
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, []) | |
5b2d1314 SL |
52 | else |
53 | AC_MSG_ERROR([You cannot use git without $1]) | |
54 | fi | |
55 | else | |
56 | if test "$withval" = "yes"; then | |
57 | AC_MSG_WARN([You should provide path for --with-$1=PATH]) | |
58 | else | |
59 | GIT_UC_PROGRAM[]_PATH=$withval | |
60 | AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval]) | |
7f8cf48c | 61 | GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [$withval]) |
5b2d1314 SL |
62 | fi |
63 | fi | |
64 | m4_popdef([GIT_UC_PROGRAM])]) | |
65 | ||
a20b4d89 JN |
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], | |
5b2d1314 | 73 | [m4_pushdef([GIT_UC_PACKAGE], m4_toupper([$1]))dnl |
5b2d1314 SL |
74 | if test "$withval" = "no"; then |
75 | NO_[]GIT_UC_PACKAGE=YesPlease | |
76 | elif test "$withval" = "yes"; then | |
77 | NO_[]GIT_UC_PACKAGE= | |
78 | else | |
79 | NO_[]GIT_UC_PACKAGE= | |
80 | GIT_UC_PACKAGE[]DIR=$withval | |
81 | AC_MSG_NOTICE([Setting GIT_UC_PACKAGE[]DIR to $withval]) | |
7f8cf48c | 82 | GIT_CONF_SUBST(GIT_UC_PACKAGE[DIR], [$withval]) |
5b2d1314 SL |
83 | fi |
84 | m4_popdef([GIT_UC_PACKAGE])]) | |
85 | ||
d79d9e13 | 86 | # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT) |
5b2d1314 | 87 | # ----------------------------------------------------- |
15beaaa3 | 88 | # Set VAR to the value specified by --with-WITHNAME. |
d79d9e13 BW |
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], | |
94 | [AC_ARG_WITH([$1], | |
95 | [AS_HELP_STRING([--with-$1=VALUE], $3)], | |
5b2d1314 SL |
96 | if test -n "$withval"; then |
97 | if test "$withval" = "yes" -o "$withval" = "no"; then | |
d79d9e13 | 98 | AC_MSG_WARN([You likely do not want either 'yes' or 'no' as] |
5b2d1314 SL |
99 | [a value for $1 ($2). Maybe you do...?]) |
100 | fi | |
101 | AC_MSG_NOTICE([Setting $2 to $withval]) | |
610473a6 | 102 | GIT_CONF_SUBST([$2], [$withval]) |
d79d9e13 | 103 | fi)])# GIT_PARSE_WITH_SET_MAKE_VAR |
d3a6db98 | 104 | |
5b2d1314 SL |
105 | # |
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. | |
1689c5de DS |
112 | AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[ |
113 | AC_SEARCH_LIBS([$1],, | |
114 | [$2],[$3]) | |
115 | ],[$3])]) | |
918c8120 | 116 | |
5b2d1314 SL |
117 | # |
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. | |
918c8120 BW |
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" | |
128 | fi | |
129 | ]) | |
130 | ||
131 | dnl | |
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="$old_LDFLAGS" | |
139 | fi | |
140 | ]) | |
141 | ||
e9e8c809 SL |
142 | ## Configure body starts here. |
143 | ||
144 | AC_PREREQ(2.59) | |
145 | AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) | |
146 | ||
147 | AC_CONFIG_SRCDIR([git.c]) | |
148 | ||
149 | config_file=config.mak.autogen | |
e9e8c809 SL |
150 | config_in=config.mak.in |
151 | ||
8242ff47 SL |
152 | GIT_CONF_SUBST([AUTOCONFIGURED], [YesPlease]) |
153 | ||
21363949 SL |
154 | # Directories holding "saner" versions of common or POSIX binaries. |
155 | AC_ARG_WITH([sane-tool-path], | |
156 | [AS_HELP_STRING( | |
157 | [--with-sane-tool-path=DIR-1[[:DIR-2...:DIR-n]]], | |
158 | [Directories to prepend to PATH in build system and generated scripts])], | |
159 | [if test "$withval" = "no"; then | |
160 | withval='' | |
161 | else | |
162 | AC_MSG_NOTICE([Setting SANE_TOOL_PATH to '$withval']) | |
163 | fi | |
610473a6 | 164 | GIT_CONF_SUBST([SANE_TOOL_PATH], [$withval])], |
21363949 SL |
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. | |
169 | :]) | |
170 | ||
a20b4d89 | 171 | ## Site configuration related to programs (before tests) |
c4b1b140 JN |
172 | ## --with-PACKAGE[=ARG] and --without-PACKAGE |
173 | # | |
10861bea RS |
174 | # Set lib to alternative name of lib directory (e.g. lib64) |
175 | AC_ARG_WITH([lib], | |
176 | [AS_HELP_STRING([--with-lib=ARG], | |
177 | [ARG specifies alternative name for lib directory])], | |
5b2d1314 SL |
178 | [if test "$withval" = "no" || test "$withval" = "yes"; then |
179 | AC_MSG_WARN([You should provide name for --with-lib=ARG]) | |
180 | else | |
181 | lib=$withval | |
182 | AC_MSG_NOTICE([Setting lib to '$lib']) | |
3a34c2bf | 183 | GIT_CONF_SUBST([lib]) |
5b2d1314 | 184 | fi]) |
e068f4f5 BW |
185 | |
186 | if test -z "$lib"; then | |
187 | AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) | |
188 | lib=lib | |
189 | fi | |
08df6a30 | 190 | |
1973b0d7 BW |
191 | AC_ARG_ENABLE([pthreads], |
192 | [AS_HELP_STRING([--enable-pthreads=FLAGS], | |
193 | [FLAGS is the value to pass to the compiler to enable POSIX Threads.] | |
194 | [The default if FLAGS is not specified is to try first -pthread] | |
195 | [and then -lpthread.] | |
94b54047 | 196 | [--disable-pthreads will disable threading.])], |
1973b0d7 BW |
197 | [ |
198 | if test "x$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 '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads]) | |
203 | else | |
204 | AC_MSG_NOTICE([POSIX Threads will be disabled.]) | |
205 | NO_PTHREADS=YesPlease | |
206 | USER_NOPTHREAD=1 | |
207 | fi], | |
208 | [ | |
209 | AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.]) | |
210 | ]) | |
211 | ||
bb4bbf75 MR |
212 | # Define option to enable JavaScript minification |
213 | AC_ARG_ENABLE([jsmin], | |
214 | [AS_HELP_STRING([--enable-jsmin=PATH], | |
215 | [PATH is the name of a JavaScript minifier or the absolute path to one.])], | |
216 | [ | |
217 | JSMIN=$enableval; | |
218 | AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying]) | |
3a34c2bf | 219 | GIT_CONF_SUBST([JSMIN]) |
bb4bbf75 MR |
220 | ]) |
221 | ||
222 | # Define option to enable CSS minification | |
223 | AC_ARG_ENABLE([cssmin], | |
224 | [AS_HELP_STRING([--enable-cssmin=PATH], | |
225 | [PATH is the name of a CSS minifier or the absolute path to one.])], | |
226 | [ | |
227 | CSSMIN=$enableval; | |
228 | AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying]) | |
3a34c2bf | 229 | GIT_CONF_SUBST([CSSMIN]) |
bb4bbf75 MR |
230 | ]) |
231 | ||
08df6a30 BW |
232 | ## Site configuration (override autodetection) |
233 | ## --with-PACKAGE[=ARG] and --without-PACKAGE | |
234 | AC_MSG_NOTICE([CHECKS for site configuration]) | |
235 | # | |
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. | |
239 | # | |
08df6a30 BW |
240 | # Define PPC_SHA1 environment variable when running make to make use of |
241 | # a bundled SHA1 routine optimized for PowerPC. | |
242 | # | |
08df6a30 | 243 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
08df6a30 BW |
244 | # |
245 | # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in | |
246 | # /foo/bar/include and /foo/bar/lib directories. | |
247 | AC_ARG_WITH(openssl, | |
248 | AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) | |
5b2d1314 SL |
249 | AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]), |
250 | GIT_PARSE_WITH([openssl])) | |
251 | ||
072473e6 ÆAB |
252 | # Define USE_LIBPCRE if you have and want to use libpcre. Various |
253 | # commands such as log and grep offer runtime options to use | |
254 | # Perl-compatible regular expressions instead of standard or extended | |
7599730b | 255 | # POSIX regular expressions. Only libpcre version 2 is supported. |
94da9193 ÆAB |
256 | # |
257 | # Define LIBPCREDIR=/foo/bar if your PCRE header and library files are in | |
a119f91e MK |
258 | # /foo/bar/include and /foo/bar/lib directories. |
259 | # | |
7599730b ÆAB |
260 | |
261 | AC_ARG_WITH(libpcre1, | |
262 | AS_HELP_STRING([--with-libpcre1],[DEPRECATED]), | |
263 | AC_MSG_ERROR([support for --with-libpcre1 has been removed. Use --with-libpcre2!]) | |
264 | ) | |
265 | ||
a119f91e | 266 | AC_ARG_WITH(libpcre, |
e6c531b8 | 267 | AS_HELP_STRING([--with-libpcre],[synonym for --with-libpcre2]), |
94da9193 | 268 | if test "$withval" = "no"; then |
e6c531b8 | 269 | USE_LIBPCRE2= |
94da9193 | 270 | elif test "$withval" = "yes"; then |
e6c531b8 | 271 | USE_LIBPCRE2=YesPlease |
94da9193 | 272 | else |
e6c531b8 | 273 | USE_LIBPCRE2=YesPlease |
94da9193 ÆAB |
274 | LIBPCREDIR=$withval |
275 | AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) | |
e6c531b8 | 276 | dnl USE_LIBPCRE2 can still be modified below, so don't substitute |
94da9193 ÆAB |
277 | dnl it yet. |
278 | GIT_CONF_SUBST([LIBPCREDIR]) | |
279 | fi) | |
280 | ||
94da9193 ÆAB |
281 | AC_ARG_WITH(libpcre2, |
282 | AS_HELP_STRING([--with-libpcre2],[support Perl-compatible regexes via libpcre2 (default is NO)]) | |
a119f91e | 283 | AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), |
e6c531b8 ÆAB |
284 | if test -n "$USE_LIBPCRE2"; then |
285 | AC_MSG_ERROR([Only supply one of --with-libpcre or its synonym --with-libpcre2!]) | |
286 | fi | |
287 | ||
5b2d1314 | 288 | if test "$withval" = "no"; then |
94da9193 | 289 | USE_LIBPCRE2= |
5b2d1314 | 290 | elif test "$withval" = "yes"; then |
94da9193 | 291 | USE_LIBPCRE2=YesPlease |
5b2d1314 | 292 | else |
94da9193 | 293 | USE_LIBPCRE2=YesPlease |
5b2d1314 | 294 | LIBPCREDIR=$withval |
3a34c2bf | 295 | AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) |
94da9193 | 296 | dnl USE_LIBPCRE2 can still be modified below, so don't substitute |
40bfbde9 | 297 | dnl it yet. |
3a34c2bf | 298 | GIT_CONF_SUBST([LIBPCREDIR]) |
5b2d1314 | 299 | fi) |
a119f91e | 300 | # |
61f76a36 KS |
301 | # Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. |
302 | AC_FUNC_ALLOCA | |
303 | case $ac_cv_working_alloca_h in | |
304 | yes) HAVE_ALLOCA_H=YesPlease;; | |
305 | *) HAVE_ALLOCA_H='';; | |
306 | esac | |
307 | GIT_CONF_SUBST([HAVE_ALLOCA_H]) | |
308 | # | |
08df6a30 BW |
309 | # Define NO_CURL if you do not have curl installed. git-http-pull and |
310 | # git-http-push are not built, and you cannot use http:// and https:// | |
311 | # transports. | |
312 | # | |
313 | # Define CURLDIR=/foo/bar if your curl header and library files are in | |
314 | # /foo/bar/include and /foo/bar/lib directories. | |
315 | AC_ARG_WITH(curl, | |
316 | AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) | |
317 | AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), | |
318 | GIT_PARSE_WITH(curl)) | |
319 | # | |
320 | # Define NO_EXPAT if you do not have expat installed. git-http-push is | |
321 | # not built, and you cannot push using http:// and https:// transports. | |
322 | # | |
323 | # Define EXPATDIR=/foo/bar if your expat header and library files are in | |
324 | # /foo/bar/include and /foo/bar/lib directories. | |
325 | AC_ARG_WITH(expat, | |
326 | AS_HELP_STRING([--with-expat], | |
327 | [support git-push using http:// and https:// transports via WebDAV (default is YES)]) | |
328 | AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), | |
329 | GIT_PARSE_WITH(expat)) | |
330 | # | |
331 | # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink | |
332 | # installed in /sw, but don't want GIT to link against any libraries | |
333 | # installed there. If defined you may specify your own (or Fink's) | |
334 | # include directories and library directories by defining CFLAGS | |
335 | # and LDFLAGS appropriately. | |
336 | # | |
337 | # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, | |
338 | # have DarwinPorts installed in /opt/local, but don't want GIT to | |
339 | # link against any libraries installed there. If defined you may | |
340 | # specify your own (or DarwinPort's) include directories and | |
341 | # library directories by defining CFLAGS and LDFLAGS appropriately. | |
342 | # | |
343 | # Define NO_MMAP if you want to avoid mmap. | |
344 | # | |
345 | # Define NO_ICONV if your libc does not properly support iconv. | |
346 | AC_ARG_WITH(iconv, | |
347 | AS_HELP_STRING([--without-iconv], | |
348 | [if your architecture doesn't properly support iconv]) | |
349 | AS_HELP_STRING([--with-iconv=PATH], | |
350 | [PATH is prefix for libiconv library and headers]) | |
351 | AS_HELP_STRING([], | |
352 | [used only if you need linking with libiconv]), | |
353 | GIT_PARSE_WITH(iconv)) | |
354 | ||
355 | ## --enable-FEATURE[=ARG] and --disable-FEATURE | |
356 | # | |
357 | # Define USE_NSEC below if you want git to care about sub-second file mtimes | |
358 | # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and | |
359 | # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely | |
360 | # randomly break unless your underlying filesystem supports those sub-second | |
361 | # times (my ext3 doesn't). | |
362 | # | |
363 | # Define USE_STDEV below if you want git to care about the underlying device | |
364 | # change being considered an inode change from the update-index perspective. | |
365 | ||
5ca5377d BW |
366 | # |
367 | # Allow user to set ETC_GITCONFIG variable | |
368 | GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG, | |
369 | Use VALUE instead of /etc/gitconfig as the | |
370 | global git configuration file. | |
6df42ab9 PO |
371 | If VALUE is not fully qualified it will be interpreted |
372 | as a path relative to the computed prefix at runtime.) | |
373 | ||
374 | # | |
375 | # Allow user to set ETC_GITATTRIBUTES variable | |
376 | GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES, | |
377 | Use VALUE instead of /etc/gitattributes as the | |
378 | global git attributes file. | |
379 | If VALUE is not fully qualified it will be interpreted | |
5ca5377d BW |
380 | as a path relative to the computed prefix at runtime.) |
381 | ||
382 | # | |
383 | # Allow user to set the default pager | |
384 | GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER, | |
385 | Use VALUE as the fall-back pager instead of 'less'. | |
386 | This is used by things like 'git log' when the user | |
387 | does not specify a pager to use through alternate | |
388 | methods. eg: /usr/bin/pager) | |
389 | # | |
390 | # Allow user to set the default editor | |
391 | GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR, | |
392 | Use VALUE as the fall-back editor instead of 'vi'. | |
393 | This is used by things like 'git commit' when the user | |
394 | does not specify a preferred editor through other | |
395 | methods. eg: /usr/bin/editor) | |
396 | ||
10861bea | 397 | # |
465e649d JN |
398 | # Define SHELL_PATH to provide path to shell. |
399 | GIT_ARG_SET_PATH(shell) | |
400 | # | |
401 | # Define PERL_PATH to provide path to Perl. | |
402 | GIT_ARG_SET_PATH(perl) | |
403 | # | |
d4e1b47a | 404 | # Define PYTHON_PATH to provide path to Python. |
dc78250f | 405 | GIT_ARG_SET_PATH(python, allow-without) |
d4e1b47a | 406 | # |
bef19da9 RS |
407 | # Define ZLIB_PATH to provide path to zlib. |
408 | GIT_ARG_SET_PATH(zlib) | |
409 | # | |
81b63c70 ER |
410 | # Declare the with-tcltk/without-tcltk options. |
411 | AC_ARG_WITH(tcltk, | |
412 | AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) | |
413 | AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) | |
414 | AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) | |
5b2d1314 | 415 | AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]), |
81b63c70 ER |
416 | GIT_PARSE_WITH(tcltk)) |
417 | # | |
c4b1b140 JN |
418 | |
419 | ||
633b4239 | 420 | ## Checks for programs. |
fd22c027 | 421 | AC_MSG_NOTICE([CHECKS for programs]) |
f6719572 | 422 | # |
60a144f2 | 423 | AC_PROG_CC([cc gcc]) |
f9f33cdc GV |
424 | AC_C_INLINE |
425 | case $ac_cv_c_inline in | |
40bfbde9 SL |
426 | inline | yes | no) INLINE='';; |
427 | *) INLINE=$ac_cv_c_inline ;; | |
f9f33cdc | 428 | esac |
40bfbde9 | 429 | GIT_CONF_SUBST([INLINE]) |
f9f33cdc | 430 | |
798a9450 | 431 | # which switch to pass runtime path to dynamic libraries to the linker |
a1a587ef | 432 | AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ |
798a9450 GF |
433 | SAVE_LDFLAGS="${LDFLAGS}" |
434 | LDFLAGS="${SAVE_LDFLAGS} -R /" | |
1e58dba1 | 435 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) |
798a9450 GF |
436 | LDFLAGS="${SAVE_LDFLAGS}" |
437 | ]) | |
a1a587ef | 438 | if test "$git_cv_ld_dashr" = "yes"; then |
40bfbde9 | 439 | CC_LD_DYNPATH=-R |
798a9450 | 440 | else |
a1a587ef | 441 | AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ |
798a9450 GF |
442 | SAVE_LDFLAGS="${LDFLAGS}" |
443 | LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" | |
1e58dba1 | 444 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) |
50a4b352 | 445 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 446 | ]) |
a1a587ef | 447 | if test "$git_cv_ld_wl_rpath" = "yes"; then |
9979a507 | 448 | CC_LD_DYNPATH=-Wl,-rpath, |
798a9450 | 449 | else |
a1a587ef | 450 | AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ |
798a9450 GF |
451 | SAVE_LDFLAGS="${LDFLAGS}" |
452 | LDFLAGS="${SAVE_LDFLAGS} -rpath /" | |
1e58dba1 | 453 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) |
50a4b352 | 454 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 455 | ]) |
a1a587ef | 456 | if test "$git_cv_ld_rpath" = "yes"; then |
40bfbde9 | 457 | CC_LD_DYNPATH=-rpath |
798a9450 | 458 | else |
9a1699c8 MO |
459 | AC_CACHE_CHECK([if linker supports -Wl,+b,], git_cv_ld_wl_b, [ |
460 | SAVE_LDFLAGS="${LDFLAGS}" | |
461 | LDFLAGS="${SAVE_LDFLAGS} -Wl,+b,/" | |
462 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_b=yes], [git_cv_ld_wl_b=no]) | |
463 | LDFLAGS="${SAVE_LDFLAGS}" | |
464 | ]) | |
465 | if test "$git_cv_ld_wl_b" = "yes"; then | |
466 | CC_LD_DYNPATH=-Wl,+b, | |
467 | else | |
468 | CC_LD_DYNPATH= | |
469 | AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) | |
470 | fi | |
798a9450 GF |
471 | fi |
472 | fi | |
473 | fi | |
40bfbde9 | 474 | GIT_CONF_SUBST([CC_LD_DYNPATH]) |
fd22c027 | 475 | #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
96e24abc | 476 | AC_CHECK_TOOLS(AR, [gar ar], :) |
fd22c027 | 477 | AC_CHECK_PROGS(TAR, [gtar tar]) |
d1b1a919 | 478 | AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff]) |
81b63c70 ER |
479 | # TCLTK_PATH will be set to some value if we want Tcl/Tk |
480 | # or will be empty otherwise. | |
40bfbde9 SL |
481 | if test -n "$NO_TCLTK"; then |
482 | TCLTK_PATH= | |
483 | else | |
81b63c70 ER |
484 | if test "$with_tcltk" = ""; then |
485 | # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. | |
486 | TCLTK_PATH=wish | |
81b63c70 ER |
487 | elif test "$with_tcltk" = "yes"; then |
488 | # Tcl/Tk check requested. | |
489 | AC_CHECK_PROGS(TCLTK_PATH, [wish], ) | |
68daee08 | 490 | else |
81b63c70 ER |
491 | AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) |
492 | TCLTK_PATH="$with_tcltk" | |
81b63c70 ER |
493 | fi |
494 | fi | |
40bfbde9 | 495 | GIT_CONF_SUBST([TCLTK_PATH]) |
923db42e JN |
496 | AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) |
497 | if test -n "$ASCIIDOC"; then | |
498 | AC_MSG_CHECKING([for asciidoc version]) | |
29adc8ba | 499 | asciidoc_version=`$ASCIIDOC --version 2>/dev/null` |
923db42e | 500 | case "${asciidoc_version}" in |
79c461d5 | 501 | asciidoc' '8*) |
923db42e JN |
502 | AC_MSG_RESULT([${asciidoc_version}]) |
503 | ;; | |
504 | *) | |
923db42e JN |
505 | AC_MSG_RESULT([${asciidoc_version} (unknown)]) |
506 | ;; | |
507 | esac | |
508 | fi | |
923db42e | 509 | |
633b4239 | 510 | ## Checks for libraries. |
ebdf5321 | 511 | AC_MSG_NOTICE([CHECKS for libraries]) |
f6719572 | 512 | # |
633b4239 | 513 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
ebdf5321 | 514 | # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
310386f0 BW |
515 | |
516 | GIT_STASH_FLAGS($OPENSSLDIR) | |
517 | ||
d5c31a1c | 518 | AC_CHECK_LIB([crypto], [SHA1_Init], |
424adc50 | 519 | [NEEDS_SSL_WITH_CRYPTO=], |
3068f6c4 | 520 | [AC_CHECK_LIB([ssl], [SHA1_Init], |
40bfbde9 SL |
521 | [NEEDS_SSL_WITH_CRYPTO=YesPlease NO_OPENSSL=], |
522 | [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) | |
310386f0 BW |
523 | |
524 | GIT_UNSTASH_FLAGS($OPENSSLDIR) | |
525 | ||
40bfbde9 SL |
526 | GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) |
527 | GIT_CONF_SUBST([NO_OPENSSL]) | |
310386f0 | 528 | |
a119f91e | 529 | # |
7599730b | 530 | # Handle the USE_LIBPCRE options potentially set above. |
a119f91e MK |
531 | # |
532 | ||
94da9193 ÆAB |
533 | if test -n "$USE_LIBPCRE2"; then |
534 | ||
535 | GIT_STASH_FLAGS($LIBPCREDIR) | |
536 | ||
537 | AC_CHECK_LIB([pcre2-8], [pcre2_config_8], | |
538 | [USE_LIBPCRE2=YesPlease], | |
539 | [USE_LIBPCRE2=]) | |
540 | ||
541 | GIT_UNSTASH_FLAGS($LIBPCREDIR) | |
542 | ||
543 | GIT_CONF_SUBST([USE_LIBPCRE2]) | |
a119f91e MK |
544 | |
545 | fi | |
546 | ||
f6719572 | 547 | # |
8da1e212 | 548 | # Define NO_CURL if you do not have libcurl installed. git-http-pull and |
633b4239 JN |
549 | # git-http-push are not built, and you cannot use http:// and https:// |
550 | # transports. | |
310386f0 BW |
551 | |
552 | GIT_STASH_FLAGS($CURLDIR) | |
553 | ||
d5c31a1c | 554 | AC_CHECK_LIB([curl], [curl_global_init], |
424adc50 JN |
555 | [NO_CURL=], |
556 | [NO_CURL=YesPlease]) | |
310386f0 BW |
557 | |
558 | GIT_UNSTASH_FLAGS($CURLDIR) | |
559 | ||
40bfbde9 | 560 | GIT_CONF_SUBST([NO_CURL]) |
310386f0 | 561 | |
f8915876 RP |
562 | if test -z "$NO_CURL"; then |
563 | ||
564 | AC_CHECK_PROG([CURL_CONFIG], [curl-config], | |
565 | [curl-config], | |
566 | [no]) | |
567 | ||
568 | if test $CURL_CONFIG != no; then | |
569 | GIT_CONF_SUBST([CURL_CONFIG]) | |
23c4bbe2 JK |
570 | |
571 | if test -z "$CURL_CONFIG_OPTS"; then | |
572 | CURL_CONFIG_OPTS="--libs" | |
924b7eb1 | 573 | fi |
23c4bbe2 JK |
574 | |
575 | CURL_LDFLAGS=$($CURL_CONFIG $CURL_CONFIG_OPTS) | |
576 | AC_MSG_NOTICE([Setting CURL_LDFLAGS to '$CURL_LDFLAGS']) | |
577 | GIT_CONF_SUBST([CURL_LDFLAGS], [$CURL_LDFLAGS]) | |
f8915876 RP |
578 | fi |
579 | ||
580 | fi | |
581 | ||
582 | ||
f6719572 | 583 | # |
633b4239 JN |
584 | # Define NO_EXPAT if you do not have expat installed. git-http-push is |
585 | # not built, and you cannot push using http:// and https:// transports. | |
310386f0 BW |
586 | |
587 | GIT_STASH_FLAGS($EXPATDIR) | |
588 | ||
d5c31a1c | 589 | AC_CHECK_LIB([expat], [XML_ParserCreate], |
424adc50 JN |
590 | [NO_EXPAT=], |
591 | [NO_EXPAT=YesPlease]) | |
310386f0 BW |
592 | |
593 | GIT_UNSTASH_FLAGS($EXPATDIR) | |
594 | ||
40bfbde9 | 595 | GIT_CONF_SUBST([NO_EXPAT]) |
310386f0 | 596 | |
f6719572 | 597 | # |
e63ccb84 FK |
598 | # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
599 | # some Solaris installations). | |
6ff88de7 | 600 | # Define NO_ICONV if neither libc nor libiconv support iconv. |
310386f0 | 601 | |
934f82a7 MN |
602 | if test -z "$NO_ICONV"; then |
603 | ||
310386f0 BW |
604 | GIT_STASH_FLAGS($ICONVDIR) |
605 | ||
1e58dba1 RW |
606 | AC_DEFUN([ICONVTEST_SRC], |
607 | [AC_LANG_PROGRAM([#include <iconv.h>], | |
608 | [iconv_open("", "");])]) | |
a8304f7a BW |
609 | |
610 | if test -n "$ICONVDIR"; then | |
611 | lib_order="-liconv -lc" | |
612 | else | |
613 | lib_order="-lc -liconv" | |
614 | fi | |
615 | ||
616 | NO_ICONV=YesPlease | |
617 | ||
618 | for l in $lib_order; do | |
619 | if test "$l" = "-liconv"; then | |
620 | NEEDS_LIBICONV=YesPlease | |
621 | else | |
622 | NEEDS_LIBICONV= | |
623 | fi | |
624 | ||
625 | old_LIBS="$LIBS" | |
626 | LIBS="$LIBS $l" | |
627 | AC_MSG_CHECKING([for iconv in $l]) | |
1e58dba1 | 628 | AC_LINK_IFELSE([ICONVTEST_SRC], |
e63ccb84 | 629 | [AC_MSG_RESULT([yes]) |
a8304f7a BW |
630 | NO_ICONV= |
631 | break], | |
632 | [AC_MSG_RESULT([no])]) | |
633 | LIBS="$old_LIBS" | |
634 | done | |
635 | ||
636 | #in case of break | |
637 | LIBS="$old_LIBS" | |
310386f0 BW |
638 | |
639 | GIT_UNSTASH_FLAGS($ICONVDIR) | |
640 | ||
40bfbde9 SL |
641 | GIT_CONF_SUBST([NEEDS_LIBICONV]) |
642 | GIT_CONF_SUBST([NO_ICONV]) | |
310386f0 | 643 | |
934f82a7 MN |
644 | if test -n "$NO_ICONV"; then |
645 | NEEDS_LIBICONV= | |
646 | fi | |
647 | ||
648 | fi | |
649 | ||
f6719572 | 650 | # |
609a2289 | 651 | # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. |
310386f0 BW |
652 | |
653 | GIT_STASH_FLAGS($ZLIB_PATH) | |
654 | ||
609a2289 | 655 | AC_DEFUN([ZLIBTEST_SRC], [ |
1e58dba1 RW |
656 | AC_LANG_PROGRAM([#include <zlib.h>], |
657 | [deflateBound(0, 0);])]) | |
609a2289 DS |
658 | AC_MSG_CHECKING([for deflateBound in -lz]) |
659 | old_LIBS="$LIBS" | |
660 | LIBS="$LIBS -lz" | |
1e58dba1 | 661 | AC_LINK_IFELSE([ZLIBTEST_SRC], |
609a2289 DS |
662 | [AC_MSG_RESULT([yes])], |
663 | [AC_MSG_RESULT([no]) | |
664 | NO_DEFLATE_BOUND=yes]) | |
665 | LIBS="$old_LIBS" | |
310386f0 BW |
666 | |
667 | GIT_UNSTASH_FLAGS($ZLIB_PATH) | |
668 | ||
40bfbde9 | 669 | GIT_CONF_SUBST([NO_DEFLATE_BOUND]) |
310386f0 | 670 | |
609a2289 | 671 | # |
633b4239 JN |
672 | # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
673 | # Patrick Mauritz). | |
d5c31a1c | 674 | AC_CHECK_LIB([c], [socket], |
424adc50 JN |
675 | [NEEDS_SOCKET=], |
676 | [NEEDS_SOCKET=YesPlease]) | |
40bfbde9 | 677 | GIT_CONF_SUBST([NEEDS_SOCKET]) |
d1b9944d | 678 | test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
633b4239 | 679 | |
8fccb009 | 680 | # |
5a857c74 GV |
681 | # The next few tests will define NEEDS_RESOLV if linking with |
682 | # libresolv provides some of the functions we would normally get | |
683 | # from libc. | |
684 | NEEDS_RESOLV= | |
5a857c74 GV |
685 | # |
686 | # Define NO_INET_NTOP if linking with -lresolv is not enough. | |
687 | # Solaris 2.7 in particular hos inet_ntop in -lresolv. | |
688 | NO_INET_NTOP= | |
5a857c74 | 689 | AC_CHECK_FUNC([inet_ntop], |
40bfbde9 | 690 | [], |
5a857c74 | 691 | [AC_CHECK_LIB([resolv], [inet_ntop], |
40bfbde9 | 692 | [NEEDS_RESOLV=YesPlease], |
5a857c74 GV |
693 | [NO_INET_NTOP=YesPlease]) |
694 | ]) | |
40bfbde9 | 695 | GIT_CONF_SUBST([NO_INET_NTOP]) |
5a857c74 GV |
696 | # |
697 | # Define NO_INET_PTON if linking with -lresolv is not enough. | |
698 | # Solaris 2.7 in particular hos inet_pton in -lresolv. | |
699 | NO_INET_PTON= | |
5a857c74 | 700 | AC_CHECK_FUNC([inet_pton], |
40bfbde9 | 701 | [], |
5a857c74 | 702 | [AC_CHECK_LIB([resolv], [inet_pton], |
40bfbde9 | 703 | [NEEDS_RESOLV=YesPlease], |
5a857c74 GV |
704 | [NO_INET_PTON=YesPlease]) |
705 | ]) | |
40bfbde9 | 706 | GIT_CONF_SUBST([NO_INET_PTON]) |
0a9b167e GV |
707 | # |
708 | # Define NO_HSTRERROR if linking with -lresolv is not enough. | |
709 | # Solaris 2.6 in particular has no hstrerror, even in -lresolv. | |
710 | NO_HSTRERROR= | |
711 | AC_CHECK_FUNC([hstrerror], | |
40bfbde9 | 712 | [], |
0a9b167e | 713 | [AC_CHECK_LIB([resolv], [hstrerror], |
40bfbde9 | 714 | [NEEDS_RESOLV=YesPlease], |
0a9b167e GV |
715 | [NO_HSTRERROR=YesPlease]) |
716 | ]) | |
40bfbde9 SL |
717 | GIT_CONF_SUBST([NO_HSTRERROR]) |
718 | ||
719 | dnl This must go after all the possible places for its initialization, | |
720 | dnl in the AC_CHECK_FUNC invocations above. | |
721 | GIT_CONF_SUBST([NEEDS_RESOLV]) | |
5a857c74 GV |
722 | # |
723 | # If any of the above tests determined that -lresolv is needed at | |
724 | # build-time, also set it here for remaining configure-time checks. | |
8fccb009 | 725 | test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" |
633b4239 | 726 | |
a1142892 | 727 | AC_CHECK_LIB([c], [basename], |
ecc395c1 BC |
728 | [NEEDS_LIBGEN=], |
729 | [NEEDS_LIBGEN=YesPlease]) | |
40bfbde9 | 730 | GIT_CONF_SUBST([NEEDS_LIBGEN]) |
ecc395c1 BC |
731 | test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" |
732 | ||
b71e56a6 VK |
733 | AC_DEFUN([LIBINTL_SRC], [ |
734 | AC_LANG_PROGRAM([[ | |
735 | #include <libintl.h> | |
736 | ]],[[ | |
737 | char *msg = gettext("test"); | |
738 | ]])]) | |
739 | ||
740 | AC_MSG_CHECKING([if libc contains libintl]) | |
741 | AC_LINK_IFELSE([LIBINTL_SRC], | |
742 | [AC_MSG_RESULT([yes]) | |
743 | LIBC_CONTAINS_LIBINTL=YesPlease], | |
744 | [AC_MSG_RESULT([no]) | |
745 | LIBC_CONTAINS_LIBINTL=]) | |
40bfbde9 | 746 | GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL]) |
a8356d43 JS |
747 | |
748 | # | |
749 | # Define NO_GETTEXT if you don't want Git output to be translated. | |
750 | # A translated Git requires GNU libintl or another gettext implementation | |
751 | AC_CHECK_HEADER([libintl.h], | |
752 | [NO_GETTEXT=], | |
753 | [NO_GETTEXT=YesPlease]) | |
40bfbde9 | 754 | GIT_CONF_SUBST([NO_GETTEXT]) |
a8356d43 JS |
755 | |
756 | if test -z "$NO_GETTEXT"; then | |
757 | test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" | |
758 | fi | |
5e9637c6 | 759 | |
633b4239 | 760 | ## Checks for header files. |
0f7a9c9b JN |
761 | AC_MSG_NOTICE([CHECKS for header files]) |
762 | # | |
3cf32374 JN |
763 | # Define NO_SYS_SELECT_H if you don't have sys/select.h. |
764 | AC_CHECK_HEADER([sys/select.h], | |
765 | [NO_SYS_SELECT_H=], | |
766 | [NO_SYS_SELECT_H=UnfortunatelyYes]) | |
40bfbde9 | 767 | GIT_CONF_SUBST([NO_SYS_SELECT_H]) |
3cf32374 | 768 | # |
2648ccc2 ĐTCD |
769 | # Define NO_POLL_H if you don't have poll.h |
770 | AC_CHECK_HEADER([poll.h], | |
771 | [NO_POLL_H=], | |
772 | [NO_POLL_H=UnfortunatelyYes]) | |
773 | GIT_CONF_SUBST([NO_POLL_H]) | |
774 | # | |
25fe66f8 MD |
775 | # Define NO_SYS_POLL_H if you don't have sys/poll.h |
776 | AC_CHECK_HEADER([sys/poll.h], | |
777 | [NO_SYS_POLL_H=], | |
778 | [NO_SYS_POLL_H=UnfortunatelyYes]) | |
40bfbde9 | 779 | GIT_CONF_SUBST([NO_SYS_POLL_H]) |
25fe66f8 MD |
780 | # |
781 | # Define NO_INTTYPES_H if you don't have inttypes.h | |
782 | AC_CHECK_HEADER([inttypes.h], | |
783 | [NO_INTTYPES_H=], | |
784 | [NO_INTTYPES_H=UnfortunatelyYes]) | |
40bfbde9 | 785 | GIT_CONF_SUBST([NO_INTTYPES_H]) |
25fe66f8 | 786 | # |
0f7a9c9b JN |
787 | # Define OLD_ICONV if your library has an old iconv(), where the second |
788 | # (input buffer pointer) parameter is declared with type (const char **). | |
1e58dba1 RW |
789 | AC_DEFUN([OLDICONVTEST_SRC], [ |
790 | AC_LANG_PROGRAM([[ | |
0f7a9c9b JN |
791 | #include <iconv.h> |
792 | ||
793 | extern size_t iconv(iconv_t cd, | |
794 | char **inbuf, size_t *inbytesleft, | |
795 | char **outbuf, size_t *outbytesleft); | |
1e58dba1 | 796 | ]], [])]) |
a8304f7a BW |
797 | |
798 | GIT_STASH_FLAGS($ICONVDIR) | |
799 | ||
0f7a9c9b | 800 | AC_MSG_CHECKING([for old iconv()]) |
1e58dba1 | 801 | AC_COMPILE_IFELSE([OLDICONVTEST_SRC], |
0f7a9c9b JN |
802 | [AC_MSG_RESULT([no])], |
803 | [AC_MSG_RESULT([yes]) | |
1ba6e7ae | 804 | AC_DEFINE(HAVE_OLD_ICONV, 1) |
0f7a9c9b | 805 | OLD_ICONV=UnfortunatelyYes]) |
633b4239 | 806 | |
a8304f7a BW |
807 | GIT_UNSTASH_FLAGS($ICONVDIR) |
808 | ||
40bfbde9 | 809 | GIT_CONF_SUBST([OLD_ICONV]) |
633b4239 | 810 | |
1ba6e7ae ĐTCD |
811 | # |
812 | # Define ICONV_OMITS_BOM if you are on a system which | |
813 | # iconv omits bom for utf-{16,32} | |
814 | if test -z "$NO_ICONV"; then | |
815 | AC_CACHE_CHECK([whether iconv omits bom for utf-16 and utf-32], | |
816 | [ac_cv_iconv_omits_bom], | |
817 | [ | |
818 | old_LIBS="$LIBS" | |
819 | if test -n "$NEEDS_LIBICONV"; then | |
820 | LIBS="$LIBS -liconv" | |
821 | fi | |
822 | ||
823 | AC_RUN_IFELSE( | |
824 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
825 | #include <iconv.h> | |
826 | #ifdef HAVE_OLD_ICONV | |
827 | typedef const char *iconv_ibp; | |
828 | #else | |
829 | typedef char *iconv_ibp; | |
830 | #endif | |
831 | ], | |
832 | [[ | |
833 | int v; | |
834 | iconv_t conv; | |
835 | char in[] = "a"; iconv_ibp pin = in; | |
836 | char out[20] = ""; char *pout = out; | |
837 | size_t isz = sizeof in; | |
838 | size_t osz = sizeof out; | |
839 | ||
840 | conv = iconv_open("UTF-16", "UTF-8"); | |
841 | iconv(conv, &pin, &isz, &pout, &osz); | |
842 | iconv_close(conv); | |
843 | v = (unsigned char)(out[0]) + (unsigned char)(out[1]); | |
844 | return v != 0xfe + 0xff; | |
845 | ]])], | |
846 | [ac_cv_iconv_omits_bom=no], | |
847 | [ac_cv_iconv_omits_bom=yes]) | |
848 | ||
849 | LIBS="$old_LIBS" | |
850 | ]) | |
851 | if test "x$ac_cv_iconv_omits_bom" = xyes; then | |
852 | ICONV_OMITS_BOM=Yes | |
853 | else | |
854 | ICONV_OMITS_BOM= | |
855 | fi | |
856 | GIT_CONF_SUBST([ICONV_OMITS_BOM]) | |
857 | fi | |
858 | ||
633b4239 | 859 | ## Checks for typedefs, structures, and compiler characteristics. |
eb0f255d | 860 | AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
f6719572 | 861 | # |
e88a135b GV |
862 | TYPE_SOCKLEN_T |
863 | case $ac_cv_type_socklen_t in | |
40bfbde9 SL |
864 | yes) SOCKLEN_T='';; |
865 | *) SOCKLEN_T=$git_cv_socklen_t_equiv;; | |
e88a135b | 866 | esac |
40bfbde9 | 867 | GIT_CONF_SUBST([SOCKLEN_T]) |
e88a135b | 868 | |
6441090c JST |
869 | # |
870 | # Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval. | |
871 | AC_CHECK_TYPES([struct itimerval], | |
872 | [NO_STRUCT_ITIMERVAL=], | |
873 | [NO_STRUCT_ITIMERVAL=UnfortunatelyYes], | |
874 | [#include <sys/time.h>]) | |
875 | GIT_CONF_SUBST([NO_STRUCT_ITIMERVAL]) | |
876 | # | |
8bd2c972 RH |
877 | # Define USE_ST_TIMESPEC=YesPlease when stat.st_mtimespec.tv_nsec exists. |
878 | # Define NO_NSEC=YesPlease when neither stat.st_mtim.tv_nsec nor | |
879 | # stat.st_mtimespec.tv_nsec exists. | |
880 | AC_CHECK_MEMBER([struct stat.st_mtimespec.tv_nsec]) | |
881 | AC_CHECK_MEMBER([struct stat.st_mtim.tv_nsec]) | |
882 | if test x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec = xyes; then | |
883 | USE_ST_TIMESPEC=YesPlease | |
884 | GIT_CONF_SUBST([USE_ST_TIMESPEC]) | |
885 | elif test x$ac_cv_member_struct_stat_st_mtim_tv_nsec != xyes; then | |
886 | NO_NSEC=YesPlease | |
887 | GIT_CONF_SUBST([NO_NSEC]) | |
888 | fi | |
889 | # | |
633b4239 JN |
890 | # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
891 | # d_type in struct dirent (latest Cygwin -- will be fixed soonish). | |
d5c31a1c | 892 | AC_CHECK_MEMBER(struct dirent.d_type, |
424adc50 JN |
893 | [NO_D_TYPE_IN_DIRENT=], |
894 | [NO_D_TYPE_IN_DIRENT=YesPlease], | |
eb0f255d | 895 | [#include <dirent.h>]) |
40bfbde9 | 896 | GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT]) |
f6719572 | 897 | # |
110d6985 DM |
898 | # Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd |
899 | # in the C library. | |
900 | AC_CHECK_MEMBER(struct passwd.pw_gecos, | |
901 | [NO_GECOS_IN_PWENT=], | |
902 | [NO_GECOS_IN_PWENT=YesPlease], | |
903 | [#include <pwd.h>]) | |
904 | GIT_CONF_SUBST([NO_GECOS_IN_PWENT]) | |
905 | # | |
633b4239 JN |
906 | # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
907 | # sockaddr_storage. | |
d5c31a1c | 908 | AC_CHECK_TYPE(struct sockaddr_storage, |
424adc50 | 909 | [NO_SOCKADDR_STORAGE=], |
ab5573ae DS |
910 | [NO_SOCKADDR_STORAGE=YesPlease],[ |
911 | #include <sys/types.h> | |
912 | #include <sys/socket.h> | |
913 | ]) | |
40bfbde9 | 914 | GIT_CONF_SUBST([NO_SOCKADDR_STORAGE]) |
424adc50 | 915 | # |
8c6ab35e JH |
916 | # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
917 | AC_CHECK_TYPE([struct addrinfo],[ | |
1689c5de | 918 | GIT_CHECK_FUNC([getaddrinfo], |
424adc50 JN |
919 | [NO_IPV6=], |
920 | [NO_IPV6=YesPlease]) | |
921 | ],[NO_IPV6=YesPlease],[ | |
8c6ab35e JH |
922 | #include <sys/types.h> |
923 | #include <sys/socket.h> | |
924 | #include <netdb.h> | |
925 | ]) | |
40bfbde9 | 926 | GIT_CONF_SUBST([NO_IPV6]) |
656517b9 | 927 | # |
842a516c JN |
928 | # Define NO_REGEX if your C library lacks regex support with REG_STARTEND |
929 | # feature. | |
930 | AC_CACHE_CHECK([whether the platform regex supports REG_STARTEND], | |
931 | [ac_cv_c_regex_with_reg_startend], [ | |
a1e3b669 JN |
932 | AC_EGREP_CPP(yippeeyeswehaveit, |
933 | AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
934 | #include <regex.h> | |
935 | ], | |
936 | [#ifdef REG_STARTEND | |
937 | yippeeyeswehaveit | |
938 | #endif | |
939 | ]), | |
842a516c JN |
940 | [ac_cv_c_regex_with_reg_startend=yes], |
941 | [ac_cv_c_regex_with_reg_startend=no]) | |
a1e3b669 | 942 | ]) |
842a516c | 943 | if test $ac_cv_c_regex_with_reg_startend = yes; then |
a1e3b669 JN |
944 | NO_REGEX= |
945 | else | |
946 | NO_REGEX=YesPlease | |
947 | fi | |
40bfbde9 | 948 | GIT_CONF_SUBST([NO_REGEX]) |
a1e3b669 | 949 | # |
8ce1f243 MR |
950 | # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds |
951 | # when attempting to read from an fopen'ed directory. | |
952 | AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], | |
953 | [ac_cv_fread_reads_directories], | |
954 | [ | |
955 | AC_RUN_IFELSE( | |
956 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
3adf9fde | 957 | [[ |
8ce1f243 | 958 | FILE *f = fopen(".", "r"); |
249482da | 959 | return f != NULL;]])], |
8ce1f243 MR |
960 | [ac_cv_fread_reads_directories=no], |
961 | [ac_cv_fread_reads_directories=yes]) | |
962 | ]) | |
963 | if test $ac_cv_fread_reads_directories = yes; then | |
964 | FREAD_READS_DIRECTORIES=UnfortunatelyYes | |
965 | else | |
966 | FREAD_READS_DIRECTORIES= | |
967 | fi | |
40bfbde9 | 968 | GIT_CONF_SUBST([FREAD_READS_DIRECTORIES]) |
8ce1f243 | 969 | # |
c4582f93 MR |
970 | # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() |
971 | # or vsnprintf() return -1 instead of number of characters which would | |
972 | # have been written to the final string if enough space had been available. | |
973 | AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], | |
974 | [ac_cv_snprintf_returns_bogus], | |
975 | [ | |
976 | AC_RUN_IFELSE( | |
977 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
978 | #include "stdarg.h" | |
979 | ||
980 | int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) | |
981 | { | |
982 | int ret; | |
983 | va_list ap; | |
984 | va_start(ap, format); | |
985 | ret = vsnprintf(str, maxsize, format, ap); | |
986 | va_end(ap); | |
987 | return ret; | |
988 | }], | |
989 | [[char buf[6]; | |
990 | if (test_vsnprintf(buf, 3, "%s", "12345") != 5 | |
991 | || strcmp(buf, "12")) return 1; | |
992 | if (snprintf(buf, 3, "%s", "12345") != 5 | |
993 | || strcmp(buf, "12")) return 1]])], | |
994 | [ac_cv_snprintf_returns_bogus=no], | |
995 | [ac_cv_snprintf_returns_bogus=yes]) | |
996 | ]) | |
997 | if test $ac_cv_snprintf_returns_bogus = yes; then | |
998 | SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes | |
999 | else | |
1000 | SNPRINTF_RETURNS_BOGUS= | |
1001 | fi | |
40bfbde9 | 1002 | GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS]) |
d543d9c0 DM |
1003 | # |
1004 | # Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type | |
1005 | # bits in mode values. | |
1006 | AC_CACHE_CHECK([whether the platform uses typical file type bits], | |
1007 | [ac_cv_sane_mode_bits], [ | |
1008 | AC_EGREP_CPP(yippeeyeswehaveit, | |
1009 | AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
1010 | [#if S_IFMT == 0170000 && \ | |
1011 | S_IFREG == 0100000 && S_IFDIR == 0040000 && S_IFLNK == 0120000 && \ | |
1012 | S_IFBLK == 0060000 && S_IFCHR == 0020000 && \ | |
1013 | S_IFIFO == 0010000 && S_IFSOCK == 0140000 | |
1014 | yippeeyeswehaveit | |
1015 | #endif | |
1016 | ]), | |
1017 | [ac_cv_sane_mode_bits=yes], | |
1018 | [ac_cv_sane_mode_bits=no]) | |
1019 | ]) | |
1020 | if test $ac_cv_sane_mode_bits = yes; then | |
1021 | NEEDS_MODE_TRANSLATION= | |
1022 | else | |
1023 | NEEDS_MODE_TRANSLATION=UnfortunatelyYes | |
1024 | fi | |
1025 | GIT_CONF_SUBST([NEEDS_MODE_TRANSLATION]) | |
633b4239 | 1026 | |
a20b4d89 | 1027 | |
633b4239 | 1028 | ## Checks for library functions. |
1bbbadbc JN |
1029 | ## (in default C library and libraries checked by AC_CHECK_LIB) |
1030 | AC_MSG_NOTICE([CHECKS for library functions]) | |
f6719572 | 1031 | # |
e1c06886 DA |
1032 | # Define NO_LIBGEN_H if you don't have libgen.h. |
1033 | AC_CHECK_HEADER([libgen.h], | |
1034 | [NO_LIBGEN_H=], | |
1035 | [NO_LIBGEN_H=YesPlease]) | |
40bfbde9 | 1036 | GIT_CONF_SUBST([NO_LIBGEN_H]) |
e1c06886 | 1037 | # |
bb15e382 JN |
1038 | # Define HAVE_PATHS_H if you have paths.h. |
1039 | AC_CHECK_HEADER([paths.h], | |
1040 | [HAVE_PATHS_H=YesPlease], | |
1041 | [HAVE_PATHS_H=]) | |
40bfbde9 | 1042 | GIT_CONF_SUBST([HAVE_PATHS_H]) |
bb15e382 | 1043 | # |
5e9637c6 ÆAB |
1044 | # Define HAVE_LIBCHARSET_H if have libcharset.h |
1045 | AC_CHECK_HEADER([libcharset.h], | |
1046 | [HAVE_LIBCHARSET_H=YesPlease], | |
1047 | [HAVE_LIBCHARSET_H=]) | |
40bfbde9 | 1048 | GIT_CONF_SUBST([HAVE_LIBCHARSET_H]) |
b3e103da DM |
1049 | # |
1050 | # Define HAVE_STRINGS_H if you have strings.h | |
1051 | AC_CHECK_HEADER([strings.h], | |
1052 | [HAVE_STRINGS_H=YesPlease], | |
1053 | [HAVE_STRINGS_H=]) | |
1054 | GIT_CONF_SUBST([HAVE_STRINGS_H]) | |
b5225286 ДП |
1055 | # Define CHARSET_LIB if libiconv does not export the locale_charset symbol |
1056 | # and libcharset does | |
1057 | CHARSET_LIB= | |
1058 | AC_CHECK_LIB([iconv], [locale_charset], | |
62fb6d03 | 1059 | [CHARSET_LIB=-liconv], |
b5225286 | 1060 | [AC_CHECK_LIB([charset], [locale_charset], |
40bfbde9 SL |
1061 | [CHARSET_LIB=-lcharset])]) |
1062 | GIT_CONF_SUBST([CHARSET_LIB]) | |
5e9637c6 | 1063 | # |
a6c3c638 RH |
1064 | # Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available. |
1065 | GIT_CHECK_FUNC(clock_gettime, | |
1066 | [HAVE_CLOCK_GETTIME=YesPlease], | |
1067 | [HAVE_CLOCK_GETTIME=]) | |
1068 | GIT_CONF_SUBST([HAVE_CLOCK_GETTIME]) | |
1069 | ||
1070 | AC_DEFUN([CLOCK_MONOTONIC_SRC], [ | |
1071 | AC_LANG_PROGRAM([[ | |
1072 | #include <time.h> | |
1073 | clockid_t id = CLOCK_MONOTONIC; | |
1074 | ]])]) | |
1075 | ||
1076 | # | |
1077 | # Define HAVE_CLOCK_MONOTONIC=YesPlease if CLOCK_MONOTONIC is available. | |
1078 | AC_MSG_CHECKING([for CLOCK_MONOTONIC]) | |
1079 | AC_COMPILE_IFELSE([CLOCK_MONOTONIC_SRC], | |
1080 | [AC_MSG_RESULT([yes]) | |
1081 | HAVE_CLOCK_MONOTONIC=YesPlease], | |
1082 | [AC_MSG_RESULT([no]) | |
1083 | HAVE_CLOCK_MONOTONIC=]) | |
1084 | GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC]) | |
1085 | # | |
a6fd4fb5 JST |
1086 | # Define NO_SETITIMER if you don't have setitimer. |
1087 | GIT_CHECK_FUNC(setitimer, | |
1088 | [NO_SETITIMER=], | |
1089 | [NO_SETITIMER=YesPlease]) | |
1090 | GIT_CONF_SUBST([NO_SETITIMER]) | |
1091 | # | |
633b4239 | 1092 | # Define NO_STRCASESTR if you don't have strcasestr. |
1689c5de | 1093 | GIT_CHECK_FUNC(strcasestr, |
424adc50 JN |
1094 | [NO_STRCASESTR=], |
1095 | [NO_STRCASESTR=YesPlease]) | |
40bfbde9 | 1096 | GIT_CONF_SUBST([NO_STRCASESTR]) |
f6719572 | 1097 | # |
24397556 | 1098 | # Define NO_MEMMEM if you don't have memmem. |
1689c5de | 1099 | GIT_CHECK_FUNC(memmem, |
24397556 JN |
1100 | [NO_MEMMEM=], |
1101 | [NO_MEMMEM=YesPlease]) | |
40bfbde9 | 1102 | GIT_CONF_SUBST([NO_MEMMEM]) |
24397556 | 1103 | # |
633b4239 | 1104 | # Define NO_STRLCPY if you don't have strlcpy. |
1689c5de | 1105 | GIT_CHECK_FUNC(strlcpy, |
424adc50 JN |
1106 | [NO_STRLCPY=], |
1107 | [NO_STRLCPY=YesPlease]) | |
40bfbde9 | 1108 | GIT_CONF_SUBST([NO_STRLCPY]) |
f6719572 | 1109 | # |
0bc3e781 DS |
1110 | # Define NO_UINTMAX_T if your platform does not have uintmax_t |
1111 | AC_CHECK_TYPE(uintmax_t, | |
1112 | [NO_UINTMAX_T=], | |
1113 | [NO_UINTMAX_T=YesPlease],[ | |
1114 | #include <inttypes.h> | |
1115 | ]) | |
40bfbde9 | 1116 | GIT_CONF_SUBST([NO_UINTMAX_T]) |
0bc3e781 | 1117 | # |
24397556 | 1118 | # Define NO_STRTOUMAX if you don't have strtoumax in the C library. |
1689c5de | 1119 | GIT_CHECK_FUNC(strtoumax, |
24397556 JN |
1120 | [NO_STRTOUMAX=], |
1121 | [NO_STRTOUMAX=YesPlease]) | |
40bfbde9 | 1122 | GIT_CONF_SUBST([NO_STRTOUMAX]) |
24397556 | 1123 | # |
633b4239 | 1124 | # Define NO_SETENV if you don't have setenv in the C library. |
1689c5de | 1125 | GIT_CHECK_FUNC(setenv, |
424adc50 JN |
1126 | [NO_SETENV=], |
1127 | [NO_SETENV=YesPlease]) | |
40bfbde9 | 1128 | GIT_CONF_SUBST([NO_SETENV]) |
f6719572 | 1129 | # |
bfa8fccf | 1130 | # Define NO_UNSETENV if you don't have unsetenv in the C library. |
1689c5de | 1131 | GIT_CHECK_FUNC(unsetenv, |
bfa8fccf JN |
1132 | [NO_UNSETENV=], |
1133 | [NO_UNSETENV=YesPlease]) | |
40bfbde9 | 1134 | GIT_CONF_SUBST([NO_UNSETENV]) |
bfa8fccf | 1135 | # |
24397556 | 1136 | # Define NO_MKDTEMP if you don't have mkdtemp in the C library. |
1689c5de | 1137 | GIT_CHECK_FUNC(mkdtemp, |
24397556 JN |
1138 | [NO_MKDTEMP=], |
1139 | [NO_MKDTEMP=YesPlease]) | |
40bfbde9 | 1140 | GIT_CONF_SUBST([NO_MKDTEMP]) |
24397556 | 1141 | # |
25fe66f8 MD |
1142 | # Define NO_INITGROUPS if you don't have initgroups in the C library. |
1143 | GIT_CHECK_FUNC(initgroups, | |
1144 | [NO_INITGROUPS=], | |
1145 | [NO_INITGROUPS=YesPlease]) | |
40bfbde9 | 1146 | GIT_CONF_SUBST([NO_INITGROUPS]) |
25fe66f8 | 1147 | # |
96658060 ES |
1148 | # Define HAVE_GETDELIM if you have getdelim in the C library. |
1149 | GIT_CHECK_FUNC(getdelim, | |
1150 | [HAVE_GETDELIM=YesPlease], | |
1151 | [HAVE_GETDELIM=]) | |
1152 | GIT_CONF_SUBST([HAVE_GETDELIM]) | |
1153 | # | |
0620b39b | 1154 | # |
633b4239 JN |
1155 | # Define NO_MMAP if you want to avoid mmap. |
1156 | # | |
633b4239 JN |
1157 | # Define NO_ICONV if your libc does not properly support iconv. |
1158 | ||
9529080d KM |
1159 | AC_DEFUN([BSD_SYSCTL_SRC], [ |
1160 | AC_LANG_PROGRAM([[ | |
1161 | #include <stddef.h> | |
1162 | #include <sys/types.h> | |
1163 | #include <sys/sysctl.h> | |
1164 | ]],[[ | |
1165 | int val, mib[2]; | |
1166 | size_t len; | |
1167 | mib[0] = CTL_HW; | |
1168 | mib[1] = 1; | |
1169 | len = sizeof(val); | |
1170 | return sysctl(mib, 2, &val, &len, NULL, 0) ? 1 : 0; | |
1171 | ]])]) | |
1172 | ||
1173 | # | |
1174 | # Define HAVE_BSD_SYSCTL=YesPlease if a BSD-compatible sysctl function is available. | |
1175 | AC_MSG_CHECKING([for BSD sysctl]) | |
1176 | AC_COMPILE_IFELSE([BSD_SYSCTL_SRC], | |
1177 | [AC_MSG_RESULT([yes]) | |
1178 | HAVE_BSD_SYSCTL=YesPlease], | |
1179 | [AC_MSG_RESULT([no]) | |
1180 | HAVE_BSD_SYSCTL=]) | |
1181 | GIT_CONF_SUBST([HAVE_BSD_SYSCTL]) | |
633b4239 JN |
1182 | |
1183 | ## Other checks. | |
1184 | # Define USE_PIC if you need the main git objects to be built with -fPIC | |
1185 | # in order to build and link perl/Git.so. x86-64 seems to need this. | |
1186 | # | |
1187 | # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. | |
1188 | # Enable it on Windows. By default, symrefs are still used. | |
20f7a398 | 1189 | # |
7eb151d6 | 1190 | # Define NO_PTHREADS if we do not have pthreads. |
46059cc6 | 1191 | # |
7eb151d6 | 1192 | # Define PTHREAD_LIBS to the linker flag used for Pthread support. |
1973b0d7 | 1193 | AC_DEFUN([PTHREADTEST_SRC], [ |
1e58dba1 | 1194 | AC_LANG_PROGRAM([[ |
1973b0d7 | 1195 | #include <pthread.h> |
a9b02de8 | 1196 | static void *noop(void *ignore) { return ignore; } |
1e58dba1 | 1197 | ]], [[ |
1973b0d7 | 1198 | pthread_mutex_t test_mutex; |
cea13a8d | 1199 | pthread_key_t test_key; |
a9b02de8 | 1200 | pthread_t th; |
48793cf4 | 1201 | int retcode = 0; |
a9b02de8 | 1202 | void *ret = (void *)0; |
cea13a8d | 1203 | retcode |= pthread_key_create(&test_key, (void *)0); |
48793cf4 GV |
1204 | retcode |= pthread_mutex_init(&test_mutex,(void *)0); |
1205 | retcode |= pthread_mutex_lock(&test_mutex); | |
1206 | retcode |= pthread_mutex_unlock(&test_mutex); | |
a9b02de8 EW |
1207 | retcode |= pthread_create(&th, ret, noop, ret); |
1208 | retcode |= pthread_join(th, &ret); | |
48793cf4 | 1209 | return retcode; |
1e58dba1 | 1210 | ]])]) |
1973b0d7 BW |
1211 | |
1212 | dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( | |
1213 | dnl [[#include <pthread.h>]], | |
1214 | dnl [[pthread_mutex_t test_mutex;]] | |
1215 | dnl )]) | |
1216 | ||
1217 | NO_PTHREADS=UnfortunatelyYes | |
1973b0d7 BW |
1218 | PTHREAD_LIBS= |
1219 | ||
1220 | if test -n "$USER_NOPTHREAD"; then | |
1221 | AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) | |
1222 | # handle these separately since PTHREAD_CFLAGS could be '-lpthreads | |
1223 | # -D_REENTRANT' or some such. | |
1224 | elif test -z "$PTHREAD_CFLAGS"; then | |
48793cf4 | 1225 | threads_found=no |
e0a52279 MH |
1226 | # Attempt to compile and link some code using pthreads to determine |
1227 | # required linker flags. The order is somewhat important here: We | |
1228 | # first try it without any extra flags, to catch systems where | |
1229 | # pthreads are part of the C library, then go on testing various other | |
1230 | # flags. We do so to avoid false positives. For example, on Mac OS X | |
1231 | # pthreads are part of the C library; moreover, the compiler allows us | |
1232 | # to add "-mt" to the CFLAGS (although it will do nothing except | |
1233 | # trigger a warning about an unused flag). Hence if we checked for | |
1234 | # "-mt" before "" we would end up picking it. But unfortunately this | |
1235 | # would then trigger compiler warnings on every single file we compile. | |
1236 | for opt in "" -mt -pthread -lpthread; do | |
1973b0d7 | 1237 | old_CFLAGS="$CFLAGS" |
bac2c5bf RC |
1238 | old_LIBS="$LIBS" |
1239 | case "$opt" in | |
1240 | -l*) LIBS="$opt $LIBS" ;; | |
1241 | *) CFLAGS="$opt $CFLAGS" ;; | |
1242 | esac | |
1243 | ||
49aeead2 | 1244 | AC_MSG_CHECKING([for POSIX Threads with '$opt']) |
1e58dba1 | 1245 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
1246 | [AC_MSG_RESULT([yes]) |
1247 | NO_PTHREADS= | |
1248 | PTHREAD_LIBS="$opt" | |
48793cf4 GV |
1249 | PTHREAD_CFLAGS="$opt" |
1250 | threads_found=yes | |
1973b0d7 BW |
1251 | break |
1252 | ], | |
1253 | [AC_MSG_RESULT([no])]) | |
1254 | CFLAGS="$old_CFLAGS" | |
bac2c5bf | 1255 | LIBS="$old_LIBS" |
1973b0d7 | 1256 | done |
48793cf4 GV |
1257 | if test $threads_found != yes; then |
1258 | AC_CHECK_LIB([pthread], [pthread_create], | |
1259 | [PTHREAD_LIBS="-lpthread"], | |
1260 | [NO_PTHREADS=UnfortunatelyYes]) | |
1261 | fi | |
20f7a398 | 1262 | else |
1973b0d7 BW |
1263 | old_CFLAGS="$CFLAGS" |
1264 | CFLAGS="$PTHREAD_CFLAGS $CFLAGS" | |
49aeead2 | 1265 | AC_MSG_CHECKING([for POSIX Threads with '$PTHREAD_CFLAGS']) |
1e58dba1 | 1266 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
1267 | [AC_MSG_RESULT([yes]) |
1268 | NO_PTHREADS= | |
1269 | PTHREAD_LIBS="$PTHREAD_CFLAGS" | |
1973b0d7 BW |
1270 | ], |
1271 | [AC_MSG_RESULT([no])]) | |
1272 | ||
1273 | CFLAGS="$old_CFLAGS" | |
20f7a398 | 1274 | fi |
1973b0d7 BW |
1275 | |
1276 | CFLAGS="$old_CFLAGS" | |
1277 | ||
40bfbde9 SL |
1278 | GIT_CONF_SUBST([PTHREAD_CFLAGS]) |
1279 | GIT_CONF_SUBST([PTHREAD_LIBS]) | |
1280 | GIT_CONF_SUBST([NO_PTHREADS]) | |
633b4239 | 1281 | |
633b4239 | 1282 | ## Output files |
ac5fc1c5 | 1283 | AC_CONFIG_FILES(["${config_file}":"${config_in}"]) |
55667714 | 1284 | AC_OUTPUT |