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55667714 JN |
1 | # -*- Autoconf -*- |
2 | # Process this file with autoconf to produce a configure script. | |
3 | ||
4 | AC_PREREQ(2.59) | |
3900145e | 5 | AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) |
55667714 JN |
6 | |
7 | AC_CONFIG_SRCDIR([git.c]) | |
8 | ||
9 | config_file=config.mak.autogen | |
d3a6db98 | 10 | config_append=config.mak.append |
55667714 JN |
11 | config_in=config.mak.in |
12 | ||
d3a6db98 JN |
13 | echo "# ${config_append}. Generated by configure." > "${config_append}" |
14 | ||
15 | ||
16 | ## Definitions of macros | |
17 | # GIT_CONF_APPEND_LINE(LINE) | |
18 | # -------------------------- | |
19 | # Append LINE to file ${config_append} | |
20 | AC_DEFUN([GIT_CONF_APPEND_LINE], | |
21 | [echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE | |
657b062d JN |
22 | # |
23 | # GIT_ARG_SET_PATH(PROGRAM) | |
24 | # ------------------------- | |
25 | # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM | |
f22cd7fc BW |
26 | # Optional second argument allows setting NO_PROGRAM=YesPlease if |
27 | # --without-PROGRAM version used. | |
657b062d JN |
28 | AC_DEFUN([GIT_ARG_SET_PATH], |
29 | [AC_ARG_WITH([$1], | |
30 | [AS_HELP_STRING([--with-$1=PATH], | |
31 | [provide PATH to $1])], | |
f22cd7fc | 32 | [GIT_CONF_APPEND_PATH($1,$2)],[]) |
657b062d JN |
33 | ])# GIT_ARG_SET_PATH |
34 | # | |
35 | # GIT_CONF_APPEND_PATH(PROGRAM) | |
36 | # ------------------------------ | |
37 | # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH | |
38 | # Used by GIT_ARG_SET_PATH(PROGRAM) | |
f22cd7fc BW |
39 | # Optional second argument allows setting NO_PROGRAM=YesPlease if |
40 | # --without-PROGRAM is used. | |
657b062d JN |
41 | AC_DEFUN([GIT_CONF_APPEND_PATH], |
42 | [PROGRAM=m4_toupper($1); \ | |
43 | if test "$withval" = "no"; then \ | |
f22cd7fc BW |
44 | if test -n "$2"; then \ |
45 | m4_toupper($1)_PATH=$withval; \ | |
46 | AC_MSG_NOTICE([Disabling use of ${PROGRAM}]); \ | |
47 | GIT_CONF_APPEND_LINE(NO_${PROGRAM}=YesPlease); \ | |
48 | GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=); \ | |
49 | else \ | |
50 | AC_MSG_ERROR([You cannot use git without $1]); \ | |
51 | fi; \ | |
657b062d JN |
52 | else \ |
53 | if test "$withval" = "yes"; then \ | |
54 | AC_MSG_WARN([You should provide path for --with-$1=PATH]); \ | |
55 | else \ | |
e068f4f5 BW |
56 | m4_toupper($1)_PATH=$withval; \ |
57 | AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \ | |
657b062d JN |
58 | GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ |
59 | fi; \ | |
60 | fi; \ | |
61 | ]) # GIT_CONF_APPEND_PATH | |
a20b4d89 JN |
62 | # |
63 | # GIT_PARSE_WITH(PACKAGE) | |
64 | # ----------------------- | |
65 | # For use in AC_ARG_WITH action-if-found, for packages default ON. | |
66 | # * Set NO_PACKAGE=YesPlease for --without-PACKAGE | |
67 | # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH | |
68 | # * Unset NO_PACKAGE for --with-PACKAGE without ARG | |
69 | AC_DEFUN([GIT_PARSE_WITH], | |
70 | [PACKAGE=m4_toupper($1); \ | |
71 | if test "$withval" = "no"; then \ | |
72 | m4_toupper(NO_$1)=YesPlease; \ | |
73 | elif test "$withval" = "yes"; then \ | |
74 | m4_toupper(NO_$1)=; \ | |
75 | else \ | |
76 | m4_toupper(NO_$1)=; \ | |
e068f4f5 BW |
77 | m4_toupper($1)DIR=$withval; \ |
78 | AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \ | |
a20b4d89 JN |
79 | GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \ |
80 | fi \ | |
81 | ])# GIT_PARSE_WITH | |
d79d9e13 BW |
82 | # |
83 | # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT) | |
84 | # --------------------- | |
85 | # Set VAR to the value specied by --with-WITHNAME. | |
86 | # No verification of arguments is performed, but warnings are issued | |
87 | # if either 'yes' or 'no' is specified. | |
88 | # HELP_TEXT is presented when --help is called. | |
89 | # This is a direct way to allow setting variables in the Makefile. | |
90 | AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR], | |
91 | [AC_ARG_WITH([$1], | |
92 | [AS_HELP_STRING([--with-$1=VALUE], $3)], | |
93 | if test -n "$withval"; then \ | |
94 | if test "$withval" = "yes" -o "$withval" = "no"; then \ | |
95 | AC_MSG_WARN([You likely do not want either 'yes' or 'no' as] | |
96 | [a value for $1 ($2). Maybe you do...?]); \ | |
97 | fi; \ | |
98 | \ | |
99 | AC_MSG_NOTICE([Setting $2 to $withval]); \ | |
100 | GIT_CONF_APPEND_LINE($2=$withval); \ | |
101 | fi)])# GIT_PARSE_WITH_SET_MAKE_VAR | |
d3a6db98 | 102 | |
1689c5de DS |
103 | dnl |
104 | dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE) | |
105 | dnl ----------------------------------------- | |
106 | dnl Similar to AC_CHECK_FUNC, but on systems that do not generate | |
107 | dnl warnings for missing prototypes (e.g. FreeBSD when compiling without | |
108 | dnl -Wall), it does not work. By looking for function definition in | |
109 | dnl libraries, this problem can be worked around. | |
110 | AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[ | |
111 | AC_SEARCH_LIBS([$1],, | |
112 | [$2],[$3]) | |
113 | ],[$3])]) | |
918c8120 BW |
114 | |
115 | dnl | |
116 | dnl GIT_STASH_FLAGS(BASEPATH_VAR) | |
117 | dnl ----------------------------- | |
118 | dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running | |
119 | dnl tests that may want to take user settings into account. | |
120 | AC_DEFUN([GIT_STASH_FLAGS],[ | |
121 | if test -n "$1"; then | |
122 | old_CPPFLAGS="$CPPFLAGS" | |
123 | old_LDFLAGS="$LDFLAGS" | |
124 | CPPFLAGS="-I$1/include $CPPFLAGS" | |
125 | LDFLAGS="-L$1/$lib $LDFLAGS" | |
126 | fi | |
127 | ]) | |
128 | ||
129 | dnl | |
130 | dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR) | |
131 | dnl ----------------------------- | |
132 | dnl Restore the stashed *FLAGS values. | |
133 | AC_DEFUN([GIT_UNSTASH_FLAGS],[ | |
134 | if test -n "$1"; then | |
135 | CPPFLAGS="$old_CPPFLAGS" | |
136 | LDFLAGS="$old_LDFLAGS" | |
137 | fi | |
138 | ]) | |
139 | ||
a20b4d89 | 140 | ## Site configuration related to programs (before tests) |
c4b1b140 JN |
141 | ## --with-PACKAGE[=ARG] and --without-PACKAGE |
142 | # | |
10861bea RS |
143 | # Set lib to alternative name of lib directory (e.g. lib64) |
144 | AC_ARG_WITH([lib], | |
145 | [AS_HELP_STRING([--with-lib=ARG], | |
146 | [ARG specifies alternative name for lib directory])], | |
3c307bfb | 147 | [if test "$withval" = "no" || test "$withval" = "yes"; then \ |
10861bea RS |
148 | AC_MSG_WARN([You should provide name for --with-lib=ARG]); \ |
149 | else \ | |
e068f4f5 BW |
150 | lib=$withval; \ |
151 | AC_MSG_NOTICE([Setting lib to '$lib']); \ | |
10861bea RS |
152 | GIT_CONF_APPEND_LINE(lib=$withval); \ |
153 | fi; \ | |
154 | ],[]) | |
e068f4f5 BW |
155 | |
156 | if test -z "$lib"; then | |
157 | AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) | |
158 | lib=lib | |
159 | fi | |
08df6a30 | 160 | |
1973b0d7 BW |
161 | AC_ARG_ENABLE([pthreads], |
162 | [AS_HELP_STRING([--enable-pthreads=FLAGS], | |
163 | [FLAGS is the value to pass to the compiler to enable POSIX Threads.] | |
164 | [The default if FLAGS is not specified is to try first -pthread] | |
165 | [and then -lpthread.] | |
166 | [--without-pthreads will disable threading.])], | |
167 | [ | |
168 | if test "x$enableval" = "xyes"; then | |
169 | AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads]) | |
170 | elif test "x$enableval" != "xno"; then | |
171 | PTHREAD_CFLAGS=$enableval | |
172 | AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads]) | |
173 | else | |
174 | AC_MSG_NOTICE([POSIX Threads will be disabled.]) | |
175 | NO_PTHREADS=YesPlease | |
176 | USER_NOPTHREAD=1 | |
177 | fi], | |
178 | [ | |
179 | AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.]) | |
180 | ]) | |
181 | ||
bb4bbf75 MR |
182 | # Define option to enable JavaScript minification |
183 | AC_ARG_ENABLE([jsmin], | |
184 | [AS_HELP_STRING([--enable-jsmin=PATH], | |
185 | [PATH is the name of a JavaScript minifier or the absolute path to one.])], | |
186 | [ | |
187 | JSMIN=$enableval; | |
188 | AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying]) | |
189 | GIT_CONF_APPEND_LINE(JSMIN=$enableval); | |
190 | ]) | |
191 | ||
192 | # Define option to enable CSS minification | |
193 | AC_ARG_ENABLE([cssmin], | |
194 | [AS_HELP_STRING([--enable-cssmin=PATH], | |
195 | [PATH is the name of a CSS minifier or the absolute path to one.])], | |
196 | [ | |
197 | CSSMIN=$enableval; | |
198 | AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying]) | |
199 | GIT_CONF_APPEND_LINE(CSSMIN=$enableval); | |
200 | ]) | |
201 | ||
08df6a30 BW |
202 | ## Site configuration (override autodetection) |
203 | ## --with-PACKAGE[=ARG] and --without-PACKAGE | |
204 | AC_MSG_NOTICE([CHECKS for site configuration]) | |
205 | # | |
206 | # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability | |
207 | # tests. These tests take up a significant amount of the total test time | |
208 | # but are not needed unless you plan to talk to SVN repos. | |
209 | # | |
08df6a30 BW |
210 | # Define PPC_SHA1 environment variable when running make to make use of |
211 | # a bundled SHA1 routine optimized for PowerPC. | |
212 | # | |
08df6a30 | 213 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
30ae47b4 | 214 | # This also implies BLK_SHA1. |
08df6a30 BW |
215 | # |
216 | # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in | |
217 | # /foo/bar/include and /foo/bar/lib directories. | |
218 | AC_ARG_WITH(openssl, | |
219 | AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) | |
220 | AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ | |
221 | GIT_PARSE_WITH(openssl)) | |
222 | # | |
223 | # Define NO_CURL if you do not have curl installed. git-http-pull and | |
224 | # git-http-push are not built, and you cannot use http:// and https:// | |
225 | # transports. | |
226 | # | |
227 | # Define CURLDIR=/foo/bar if your curl header and library files are in | |
228 | # /foo/bar/include and /foo/bar/lib directories. | |
229 | AC_ARG_WITH(curl, | |
230 | AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) | |
231 | AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), | |
232 | GIT_PARSE_WITH(curl)) | |
233 | # | |
234 | # Define NO_EXPAT if you do not have expat installed. git-http-push is | |
235 | # not built, and you cannot push using http:// and https:// transports. | |
236 | # | |
237 | # Define EXPATDIR=/foo/bar if your expat header and library files are in | |
238 | # /foo/bar/include and /foo/bar/lib directories. | |
239 | AC_ARG_WITH(expat, | |
240 | AS_HELP_STRING([--with-expat], | |
241 | [support git-push using http:// and https:// transports via WebDAV (default is YES)]) | |
242 | AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), | |
243 | GIT_PARSE_WITH(expat)) | |
244 | # | |
245 | # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink | |
246 | # installed in /sw, but don't want GIT to link against any libraries | |
247 | # installed there. If defined you may specify your own (or Fink's) | |
248 | # include directories and library directories by defining CFLAGS | |
249 | # and LDFLAGS appropriately. | |
250 | # | |
251 | # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, | |
252 | # have DarwinPorts installed in /opt/local, but don't want GIT to | |
253 | # link against any libraries installed there. If defined you may | |
254 | # specify your own (or DarwinPort's) include directories and | |
255 | # library directories by defining CFLAGS and LDFLAGS appropriately. | |
256 | # | |
257 | # Define NO_MMAP if you want to avoid mmap. | |
258 | # | |
259 | # Define NO_ICONV if your libc does not properly support iconv. | |
260 | AC_ARG_WITH(iconv, | |
261 | AS_HELP_STRING([--without-iconv], | |
262 | [if your architecture doesn't properly support iconv]) | |
263 | AS_HELP_STRING([--with-iconv=PATH], | |
264 | [PATH is prefix for libiconv library and headers]) | |
265 | AS_HELP_STRING([], | |
266 | [used only if you need linking with libiconv]), | |
267 | GIT_PARSE_WITH(iconv)) | |
268 | ||
269 | ## --enable-FEATURE[=ARG] and --disable-FEATURE | |
270 | # | |
271 | # Define USE_NSEC below if you want git to care about sub-second file mtimes | |
272 | # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and | |
273 | # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely | |
274 | # randomly break unless your underlying filesystem supports those sub-second | |
275 | # times (my ext3 doesn't). | |
276 | # | |
277 | # Define USE_STDEV below if you want git to care about the underlying device | |
278 | # change being considered an inode change from the update-index perspective. | |
279 | ||
5ca5377d BW |
280 | # |
281 | # Allow user to set ETC_GITCONFIG variable | |
282 | GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG, | |
283 | Use VALUE instead of /etc/gitconfig as the | |
284 | global git configuration file. | |
6df42ab9 PO |
285 | If VALUE is not fully qualified it will be interpreted |
286 | as a path relative to the computed prefix at runtime.) | |
287 | ||
288 | # | |
289 | # Allow user to set ETC_GITATTRIBUTES variable | |
290 | GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES, | |
291 | Use VALUE instead of /etc/gitattributes as the | |
292 | global git attributes file. | |
293 | If VALUE is not fully qualified it will be interpreted | |
5ca5377d BW |
294 | as a path relative to the computed prefix at runtime.) |
295 | ||
296 | # | |
297 | # Allow user to set the default pager | |
298 | GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER, | |
299 | Use VALUE as the fall-back pager instead of 'less'. | |
300 | This is used by things like 'git log' when the user | |
301 | does not specify a pager to use through alternate | |
302 | methods. eg: /usr/bin/pager) | |
303 | # | |
304 | # Allow user to set the default editor | |
305 | GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR, | |
306 | Use VALUE as the fall-back editor instead of 'vi'. | |
307 | This is used by things like 'git commit' when the user | |
308 | does not specify a preferred editor through other | |
309 | methods. eg: /usr/bin/editor) | |
310 | ||
10861bea | 311 | # |
465e649d JN |
312 | # Define SHELL_PATH to provide path to shell. |
313 | GIT_ARG_SET_PATH(shell) | |
314 | # | |
315 | # Define PERL_PATH to provide path to Perl. | |
316 | GIT_ARG_SET_PATH(perl) | |
317 | # | |
d4e1b47a | 318 | # Define PYTHON_PATH to provide path to Python. |
dc78250f | 319 | GIT_ARG_SET_PATH(python, allow-without) |
d4e1b47a | 320 | # |
bef19da9 RS |
321 | # Define ZLIB_PATH to provide path to zlib. |
322 | GIT_ARG_SET_PATH(zlib) | |
323 | # | |
81b63c70 ER |
324 | # Declare the with-tcltk/without-tcltk options. |
325 | AC_ARG_WITH(tcltk, | |
326 | AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) | |
327 | AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) | |
328 | AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) | |
329 | AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\ | |
330 | GIT_PARSE_WITH(tcltk)) | |
331 | # | |
c4b1b140 JN |
332 | |
333 | ||
633b4239 | 334 | ## Checks for programs. |
fd22c027 | 335 | AC_MSG_NOTICE([CHECKS for programs]) |
f6719572 | 336 | # |
60a144f2 | 337 | AC_PROG_CC([cc gcc]) |
f9f33cdc GV |
338 | AC_C_INLINE |
339 | case $ac_cv_c_inline in | |
340 | inline | yes | no) ;; | |
341 | *) AC_SUBST([INLINE], [$ac_cv_c_inline]) ;; | |
342 | esac | |
343 | ||
798a9450 | 344 | # which switch to pass runtime path to dynamic libraries to the linker |
a1a587ef | 345 | AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ |
798a9450 GF |
346 | SAVE_LDFLAGS="${LDFLAGS}" |
347 | LDFLAGS="${SAVE_LDFLAGS} -R /" | |
1e58dba1 | 348 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) |
798a9450 GF |
349 | LDFLAGS="${SAVE_LDFLAGS}" |
350 | ]) | |
a1a587ef | 351 | if test "$git_cv_ld_dashr" = "yes"; then |
798a9450 GF |
352 | AC_SUBST(CC_LD_DYNPATH, [-R]) |
353 | else | |
a1a587ef | 354 | AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ |
798a9450 GF |
355 | SAVE_LDFLAGS="${LDFLAGS}" |
356 | LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" | |
1e58dba1 | 357 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) |
50a4b352 | 358 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 359 | ]) |
a1a587ef | 360 | if test "$git_cv_ld_wl_rpath" = "yes"; then |
798a9450 GF |
361 | AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,]) |
362 | else | |
a1a587ef | 363 | AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ |
798a9450 GF |
364 | SAVE_LDFLAGS="${LDFLAGS}" |
365 | LDFLAGS="${SAVE_LDFLAGS} -rpath /" | |
1e58dba1 | 366 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) |
50a4b352 | 367 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 368 | ]) |
a1a587ef | 369 | if test "$git_cv_ld_rpath" = "yes"; then |
798a9450 GF |
370 | AC_SUBST(CC_LD_DYNPATH, [-rpath]) |
371 | else | |
372 | AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) | |
373 | fi | |
374 | fi | |
375 | fi | |
fd22c027 | 376 | #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
96e24abc | 377 | AC_CHECK_TOOLS(AR, [gar ar], :) |
fd22c027 | 378 | AC_CHECK_PROGS(TAR, [gtar tar]) |
d1b1a919 | 379 | AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff]) |
81b63c70 ER |
380 | # TCLTK_PATH will be set to some value if we want Tcl/Tk |
381 | # or will be empty otherwise. | |
382 | if test -z "$NO_TCLTK"; then | |
383 | if test "$with_tcltk" = ""; then | |
384 | # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. | |
385 | TCLTK_PATH=wish | |
386 | AC_SUBST(TCLTK_PATH) | |
387 | elif test "$with_tcltk" = "yes"; then | |
388 | # Tcl/Tk check requested. | |
389 | AC_CHECK_PROGS(TCLTK_PATH, [wish], ) | |
68daee08 | 390 | else |
81b63c70 ER |
391 | AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) |
392 | TCLTK_PATH="$with_tcltk" | |
393 | AC_SUBST(TCLTK_PATH) | |
81b63c70 ER |
394 | fi |
395 | fi | |
923db42e JN |
396 | AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) |
397 | if test -n "$ASCIIDOC"; then | |
398 | AC_MSG_CHECKING([for asciidoc version]) | |
29adc8ba | 399 | asciidoc_version=`$ASCIIDOC --version 2>/dev/null` |
923db42e | 400 | case "${asciidoc_version}" in |
79c461d5 JK |
401 | asciidoc' '7*) |
402 | ASCIIDOC7=YesPlease | |
923db42e JN |
403 | AC_MSG_RESULT([${asciidoc_version} > 7]) |
404 | ;; | |
79c461d5 JK |
405 | asciidoc' '8*) |
406 | ASCIIDOC7= | |
923db42e JN |
407 | AC_MSG_RESULT([${asciidoc_version}]) |
408 | ;; | |
409 | *) | |
79c461d5 | 410 | ASCIIDOC7= |
923db42e JN |
411 | AC_MSG_RESULT([${asciidoc_version} (unknown)]) |
412 | ;; | |
413 | esac | |
414 | fi | |
79c461d5 | 415 | AC_SUBST(ASCIIDOC7) |
923db42e | 416 | |
633b4239 JN |
417 | |
418 | ## Checks for libraries. | |
ebdf5321 | 419 | AC_MSG_NOTICE([CHECKS for libraries]) |
f6719572 | 420 | # |
633b4239 | 421 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
ebdf5321 | 422 | # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
310386f0 BW |
423 | |
424 | GIT_STASH_FLAGS($OPENSSLDIR) | |
425 | ||
d5c31a1c | 426 | AC_CHECK_LIB([crypto], [SHA1_Init], |
424adc50 | 427 | [NEEDS_SSL_WITH_CRYPTO=], |
3068f6c4 | 428 | [AC_CHECK_LIB([ssl], [SHA1_Init], |
0ad8ff2c BC |
429 | [NEEDS_SSL_WITH_CRYPTO=YesPlease], |
430 | [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) | |
310386f0 BW |
431 | |
432 | GIT_UNSTASH_FLAGS($OPENSSLDIR) | |
433 | ||
424adc50 JN |
434 | AC_SUBST(NEEDS_SSL_WITH_CRYPTO) |
435 | AC_SUBST(NO_OPENSSL) | |
310386f0 | 436 | |
f6719572 | 437 | # |
8da1e212 | 438 | # Define NO_CURL if you do not have libcurl installed. git-http-pull and |
633b4239 JN |
439 | # git-http-push are not built, and you cannot use http:// and https:// |
440 | # transports. | |
310386f0 BW |
441 | |
442 | GIT_STASH_FLAGS($CURLDIR) | |
443 | ||
d5c31a1c | 444 | AC_CHECK_LIB([curl], [curl_global_init], |
424adc50 JN |
445 | [NO_CURL=], |
446 | [NO_CURL=YesPlease]) | |
310386f0 BW |
447 | |
448 | GIT_UNSTASH_FLAGS($CURLDIR) | |
449 | ||
424adc50 | 450 | AC_SUBST(NO_CURL) |
310386f0 | 451 | |
f6719572 | 452 | # |
633b4239 JN |
453 | # Define NO_EXPAT if you do not have expat installed. git-http-push is |
454 | # not built, and you cannot push using http:// and https:// transports. | |
310386f0 BW |
455 | |
456 | GIT_STASH_FLAGS($EXPATDIR) | |
457 | ||
d5c31a1c | 458 | AC_CHECK_LIB([expat], [XML_ParserCreate], |
424adc50 JN |
459 | [NO_EXPAT=], |
460 | [NO_EXPAT=YesPlease]) | |
310386f0 BW |
461 | |
462 | GIT_UNSTASH_FLAGS($EXPATDIR) | |
463 | ||
424adc50 | 464 | AC_SUBST(NO_EXPAT) |
310386f0 | 465 | |
f6719572 | 466 | # |
e63ccb84 FK |
467 | # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
468 | # some Solaris installations). | |
6ff88de7 | 469 | # Define NO_ICONV if neither libc nor libiconv support iconv. |
310386f0 | 470 | |
934f82a7 MN |
471 | if test -z "$NO_ICONV"; then |
472 | ||
310386f0 BW |
473 | GIT_STASH_FLAGS($ICONVDIR) |
474 | ||
1e58dba1 RW |
475 | AC_DEFUN([ICONVTEST_SRC], |
476 | [AC_LANG_PROGRAM([#include <iconv.h>], | |
477 | [iconv_open("", "");])]) | |
a8304f7a BW |
478 | |
479 | if test -n "$ICONVDIR"; then | |
480 | lib_order="-liconv -lc" | |
481 | else | |
482 | lib_order="-lc -liconv" | |
483 | fi | |
484 | ||
485 | NO_ICONV=YesPlease | |
486 | ||
487 | for l in $lib_order; do | |
488 | if test "$l" = "-liconv"; then | |
489 | NEEDS_LIBICONV=YesPlease | |
490 | else | |
491 | NEEDS_LIBICONV= | |
492 | fi | |
493 | ||
494 | old_LIBS="$LIBS" | |
495 | LIBS="$LIBS $l" | |
496 | AC_MSG_CHECKING([for iconv in $l]) | |
1e58dba1 | 497 | AC_LINK_IFELSE([ICONVTEST_SRC], |
e63ccb84 | 498 | [AC_MSG_RESULT([yes]) |
a8304f7a BW |
499 | NO_ICONV= |
500 | break], | |
501 | [AC_MSG_RESULT([no])]) | |
502 | LIBS="$old_LIBS" | |
503 | done | |
504 | ||
505 | #in case of break | |
506 | LIBS="$old_LIBS" | |
310386f0 BW |
507 | |
508 | GIT_UNSTASH_FLAGS($ICONVDIR) | |
509 | ||
424adc50 | 510 | AC_SUBST(NEEDS_LIBICONV) |
baf1219a | 511 | AC_SUBST(NO_ICONV) |
310386f0 | 512 | |
934f82a7 MN |
513 | if test -n "$NO_ICONV"; then |
514 | NEEDS_LIBICONV= | |
515 | fi | |
516 | ||
517 | fi | |
518 | ||
f6719572 | 519 | # |
609a2289 | 520 | # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. |
310386f0 BW |
521 | |
522 | GIT_STASH_FLAGS($ZLIB_PATH) | |
523 | ||
609a2289 | 524 | AC_DEFUN([ZLIBTEST_SRC], [ |
1e58dba1 RW |
525 | AC_LANG_PROGRAM([#include <zlib.h>], |
526 | [deflateBound(0, 0);])]) | |
609a2289 DS |
527 | AC_MSG_CHECKING([for deflateBound in -lz]) |
528 | old_LIBS="$LIBS" | |
529 | LIBS="$LIBS -lz" | |
1e58dba1 | 530 | AC_LINK_IFELSE([ZLIBTEST_SRC], |
609a2289 DS |
531 | [AC_MSG_RESULT([yes])], |
532 | [AC_MSG_RESULT([no]) | |
533 | NO_DEFLATE_BOUND=yes]) | |
534 | LIBS="$old_LIBS" | |
310386f0 BW |
535 | |
536 | GIT_UNSTASH_FLAGS($ZLIB_PATH) | |
537 | ||
609a2289 | 538 | AC_SUBST(NO_DEFLATE_BOUND) |
310386f0 | 539 | |
609a2289 | 540 | # |
633b4239 JN |
541 | # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
542 | # Patrick Mauritz). | |
d5c31a1c | 543 | AC_CHECK_LIB([c], [socket], |
424adc50 JN |
544 | [NEEDS_SOCKET=], |
545 | [NEEDS_SOCKET=YesPlease]) | |
546 | AC_SUBST(NEEDS_SOCKET) | |
d1b9944d | 547 | test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
633b4239 | 548 | |
8fccb009 | 549 | # |
5a857c74 GV |
550 | # The next few tests will define NEEDS_RESOLV if linking with |
551 | # libresolv provides some of the functions we would normally get | |
552 | # from libc. | |
553 | NEEDS_RESOLV= | |
8fccb009 | 554 | AC_SUBST(NEEDS_RESOLV) |
5a857c74 GV |
555 | # |
556 | # Define NO_INET_NTOP if linking with -lresolv is not enough. | |
557 | # Solaris 2.7 in particular hos inet_ntop in -lresolv. | |
558 | NO_INET_NTOP= | |
559 | AC_SUBST(NO_INET_NTOP) | |
560 | AC_CHECK_FUNC([inet_ntop], | |
561 | [], | |
562 | [AC_CHECK_LIB([resolv], [inet_ntop], | |
563 | [NEEDS_RESOLV=YesPlease], | |
564 | [NO_INET_NTOP=YesPlease]) | |
565 | ]) | |
566 | # | |
567 | # Define NO_INET_PTON if linking with -lresolv is not enough. | |
568 | # Solaris 2.7 in particular hos inet_pton in -lresolv. | |
569 | NO_INET_PTON= | |
570 | AC_SUBST(NO_INET_PTON) | |
571 | AC_CHECK_FUNC([inet_pton], | |
572 | [], | |
573 | [AC_CHECK_LIB([resolv], [inet_pton], | |
574 | [NEEDS_RESOLV=YesPlease], | |
575 | [NO_INET_PTON=YesPlease]) | |
576 | ]) | |
0a9b167e GV |
577 | # |
578 | # Define NO_HSTRERROR if linking with -lresolv is not enough. | |
579 | # Solaris 2.6 in particular has no hstrerror, even in -lresolv. | |
580 | NO_HSTRERROR= | |
581 | AC_CHECK_FUNC([hstrerror], | |
582 | [], | |
583 | [AC_CHECK_LIB([resolv], [hstrerror], | |
584 | [NEEDS_RESOLV=YesPlease], | |
585 | [NO_HSTRERROR=YesPlease]) | |
586 | ]) | |
587 | AC_SUBST(NO_HSTRERROR) | |
5a857c74 GV |
588 | # |
589 | # If any of the above tests determined that -lresolv is needed at | |
590 | # build-time, also set it here for remaining configure-time checks. | |
8fccb009 | 591 | test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" |
633b4239 | 592 | |
a1142892 | 593 | AC_CHECK_LIB([c], [basename], |
ecc395c1 BC |
594 | [NEEDS_LIBGEN=], |
595 | [NEEDS_LIBGEN=YesPlease]) | |
596 | AC_SUBST(NEEDS_LIBGEN) | |
597 | test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" | |
598 | ||
633b4239 | 599 | ## Checks for header files. |
0f7a9c9b JN |
600 | AC_MSG_NOTICE([CHECKS for header files]) |
601 | # | |
3cf32374 JN |
602 | # Define NO_SYS_SELECT_H if you don't have sys/select.h. |
603 | AC_CHECK_HEADER([sys/select.h], | |
604 | [NO_SYS_SELECT_H=], | |
605 | [NO_SYS_SELECT_H=UnfortunatelyYes]) | |
606 | AC_SUBST(NO_SYS_SELECT_H) | |
607 | # | |
25fe66f8 MD |
608 | # Define NO_SYS_POLL_H if you don't have sys/poll.h |
609 | AC_CHECK_HEADER([sys/poll.h], | |
610 | [NO_SYS_POLL_H=], | |
611 | [NO_SYS_POLL_H=UnfortunatelyYes]) | |
612 | AC_SUBST(NO_SYS_POLL_H) | |
613 | # | |
614 | # Define NO_INTTYPES_H if you don't have inttypes.h | |
615 | AC_CHECK_HEADER([inttypes.h], | |
616 | [NO_INTTYPES_H=], | |
617 | [NO_INTTYPES_H=UnfortunatelyYes]) | |
618 | AC_SUBST(NO_INTTYPES_H) | |
619 | # | |
0f7a9c9b JN |
620 | # Define OLD_ICONV if your library has an old iconv(), where the second |
621 | # (input buffer pointer) parameter is declared with type (const char **). | |
1e58dba1 RW |
622 | AC_DEFUN([OLDICONVTEST_SRC], [ |
623 | AC_LANG_PROGRAM([[ | |
0f7a9c9b JN |
624 | #include <iconv.h> |
625 | ||
626 | extern size_t iconv(iconv_t cd, | |
627 | char **inbuf, size_t *inbytesleft, | |
628 | char **outbuf, size_t *outbytesleft); | |
1e58dba1 | 629 | ]], [])]) |
a8304f7a BW |
630 | |
631 | GIT_STASH_FLAGS($ICONVDIR) | |
632 | ||
0f7a9c9b | 633 | AC_MSG_CHECKING([for old iconv()]) |
1e58dba1 | 634 | AC_COMPILE_IFELSE([OLDICONVTEST_SRC], |
0f7a9c9b JN |
635 | [AC_MSG_RESULT([no])], |
636 | [AC_MSG_RESULT([yes]) | |
637 | OLD_ICONV=UnfortunatelyYes]) | |
633b4239 | 638 | |
a8304f7a BW |
639 | GIT_UNSTASH_FLAGS($ICONVDIR) |
640 | ||
641 | AC_SUBST(OLD_ICONV) | |
633b4239 JN |
642 | |
643 | ## Checks for typedefs, structures, and compiler characteristics. | |
eb0f255d | 644 | AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
f6719572 | 645 | # |
e88a135b GV |
646 | TYPE_SOCKLEN_T |
647 | case $ac_cv_type_socklen_t in | |
648 | yes) ;; | |
649 | *) AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;; | |
650 | esac | |
651 | ||
633b4239 | 652 | # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. |
d5c31a1c | 653 | AC_CHECK_MEMBER(struct dirent.d_ino, |
424adc50 JN |
654 | [NO_D_INO_IN_DIRENT=], |
655 | [NO_D_INO_IN_DIRENT=YesPlease], | |
eb0f255d | 656 | [#include <dirent.h>]) |
424adc50 | 657 | AC_SUBST(NO_D_INO_IN_DIRENT) |
f6719572 | 658 | # |
633b4239 JN |
659 | # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
660 | # d_type in struct dirent (latest Cygwin -- will be fixed soonish). | |
d5c31a1c | 661 | AC_CHECK_MEMBER(struct dirent.d_type, |
424adc50 JN |
662 | [NO_D_TYPE_IN_DIRENT=], |
663 | [NO_D_TYPE_IN_DIRENT=YesPlease], | |
eb0f255d | 664 | [#include <dirent.h>]) |
424adc50 | 665 | AC_SUBST(NO_D_TYPE_IN_DIRENT) |
f6719572 | 666 | # |
633b4239 JN |
667 | # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
668 | # sockaddr_storage. | |
d5c31a1c | 669 | AC_CHECK_TYPE(struct sockaddr_storage, |
424adc50 | 670 | [NO_SOCKADDR_STORAGE=], |
ab5573ae DS |
671 | [NO_SOCKADDR_STORAGE=YesPlease],[ |
672 | #include <sys/types.h> | |
673 | #include <sys/socket.h> | |
674 | ]) | |
424adc50 JN |
675 | AC_SUBST(NO_SOCKADDR_STORAGE) |
676 | # | |
8c6ab35e JH |
677 | # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
678 | AC_CHECK_TYPE([struct addrinfo],[ | |
1689c5de | 679 | GIT_CHECK_FUNC([getaddrinfo], |
424adc50 JN |
680 | [NO_IPV6=], |
681 | [NO_IPV6=YesPlease]) | |
682 | ],[NO_IPV6=YesPlease],[ | |
8c6ab35e JH |
683 | #include <sys/types.h> |
684 | #include <sys/socket.h> | |
685 | #include <netdb.h> | |
686 | ]) | |
424adc50 | 687 | AC_SUBST(NO_IPV6) |
656517b9 | 688 | # |
a1e3b669 JN |
689 | # Define NO_REGEX if you have no or inferior regex support in your C library. |
690 | AC_CACHE_CHECK([whether the platform regex can handle null bytes], | |
691 | [ac_cv_c_excellent_regex], [ | |
692 | AC_EGREP_CPP(yippeeyeswehaveit, | |
693 | AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
694 | #include <regex.h> | |
695 | ], | |
696 | [#ifdef REG_STARTEND | |
697 | yippeeyeswehaveit | |
698 | #endif | |
699 | ]), | |
700 | [ac_cv_c_excellent_regex=yes], | |
23168246 | 701 | [ac_cv_c_excellent_regex=no]) |
a1e3b669 JN |
702 | ]) |
703 | if test $ac_cv_c_excellent_regex = yes; then | |
704 | NO_REGEX= | |
705 | else | |
706 | NO_REGEX=YesPlease | |
707 | fi | |
708 | AC_SUBST(NO_REGEX) | |
709 | # | |
8ce1f243 MR |
710 | # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds |
711 | # when attempting to read from an fopen'ed directory. | |
712 | AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], | |
713 | [ac_cv_fread_reads_directories], | |
714 | [ | |
715 | AC_RUN_IFELSE( | |
716 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
717 | [[char c; | |
718 | FILE *f = fopen(".", "r"); | |
719 | return f && fread(&c, 1, 1, f)]])], | |
720 | [ac_cv_fread_reads_directories=no], | |
721 | [ac_cv_fread_reads_directories=yes]) | |
722 | ]) | |
723 | if test $ac_cv_fread_reads_directories = yes; then | |
724 | FREAD_READS_DIRECTORIES=UnfortunatelyYes | |
725 | else | |
726 | FREAD_READS_DIRECTORIES= | |
727 | fi | |
728 | AC_SUBST(FREAD_READS_DIRECTORIES) | |
729 | # | |
c4582f93 MR |
730 | # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() |
731 | # or vsnprintf() return -1 instead of number of characters which would | |
732 | # have been written to the final string if enough space had been available. | |
733 | AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], | |
734 | [ac_cv_snprintf_returns_bogus], | |
735 | [ | |
736 | AC_RUN_IFELSE( | |
737 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
738 | #include "stdarg.h" | |
739 | ||
740 | int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) | |
741 | { | |
742 | int ret; | |
743 | va_list ap; | |
744 | va_start(ap, format); | |
745 | ret = vsnprintf(str, maxsize, format, ap); | |
746 | va_end(ap); | |
747 | return ret; | |
748 | }], | |
749 | [[char buf[6]; | |
750 | if (test_vsnprintf(buf, 3, "%s", "12345") != 5 | |
751 | || strcmp(buf, "12")) return 1; | |
752 | if (snprintf(buf, 3, "%s", "12345") != 5 | |
753 | || strcmp(buf, "12")) return 1]])], | |
754 | [ac_cv_snprintf_returns_bogus=no], | |
755 | [ac_cv_snprintf_returns_bogus=yes]) | |
756 | ]) | |
757 | if test $ac_cv_snprintf_returns_bogus = yes; then | |
758 | SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes | |
759 | else | |
760 | SNPRINTF_RETURNS_BOGUS= | |
761 | fi | |
762 | AC_SUBST(SNPRINTF_RETURNS_BOGUS) | |
633b4239 | 763 | |
a20b4d89 | 764 | |
633b4239 | 765 | ## Checks for library functions. |
1bbbadbc JN |
766 | ## (in default C library and libraries checked by AC_CHECK_LIB) |
767 | AC_MSG_NOTICE([CHECKS for library functions]) | |
f6719572 | 768 | # |
e1c06886 DA |
769 | # Define NO_LIBGEN_H if you don't have libgen.h. |
770 | AC_CHECK_HEADER([libgen.h], | |
771 | [NO_LIBGEN_H=], | |
772 | [NO_LIBGEN_H=YesPlease]) | |
773 | AC_SUBST(NO_LIBGEN_H) | |
774 | # | |
bb15e382 JN |
775 | # Define HAVE_PATHS_H if you have paths.h. |
776 | AC_CHECK_HEADER([paths.h], | |
777 | [HAVE_PATHS_H=YesPlease], | |
778 | [HAVE_PATHS_H=]) | |
779 | AC_SUBST(HAVE_PATHS_H) | |
780 | # | |
633b4239 | 781 | # Define NO_STRCASESTR if you don't have strcasestr. |
1689c5de | 782 | GIT_CHECK_FUNC(strcasestr, |
424adc50 JN |
783 | [NO_STRCASESTR=], |
784 | [NO_STRCASESTR=YesPlease]) | |
785 | AC_SUBST(NO_STRCASESTR) | |
f6719572 | 786 | # |
78457bc0 JN |
787 | # Define NO_STRTOK_R if you don't have strtok_r |
788 | GIT_CHECK_FUNC(strtok_r, | |
789 | [NO_STRTOK_R=], | |
790 | [NO_STRTOK_R=YesPlease]) | |
791 | AC_SUBST(NO_STRTOK_R) | |
792 | # | |
f3f3d936 ÆAB |
793 | # Define NO_FNMATCH if you don't have fnmatch |
794 | GIT_CHECK_FUNC(fnmatch, | |
795 | [NO_FNMATCH=], | |
796 | [NO_FNMATCH=YesPlease]) | |
797 | AC_SUBST(NO_FNMATCH) | |
798 | # | |
4de066b6 ÆAB |
799 | # Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the |
800 | # FNM_CASEFOLD GNU extension. | |
801 | AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension], | |
802 | [ac_cv_c_excellent_fnmatch], [ | |
803 | AC_EGREP_CPP(yippeeyeswehaveit, | |
804 | AC_LANG_PROGRAM([ | |
805 | #include <fnmatch.h> | |
806 | ], | |
807 | [#ifdef FNM_CASEFOLD | |
808 | yippeeyeswehaveit | |
809 | #endif | |
810 | ]), | |
811 | [ac_cv_c_excellent_fnmatch=yes], | |
812 | [ac_cv_c_excellent_fnmatch=no]) | |
813 | ]) | |
814 | if test $ac_cv_c_excellent_fnmatch = yes; then | |
815 | NO_FNMATCH_CASEFOLD= | |
816 | else | |
817 | NO_FNMATCH_CASEFOLD=YesPlease | |
818 | fi | |
819 | AC_SUBST(NO_FNMATCH_CASEFOLD) | |
820 | # | |
24397556 | 821 | # Define NO_MEMMEM if you don't have memmem. |
1689c5de | 822 | GIT_CHECK_FUNC(memmem, |
24397556 JN |
823 | [NO_MEMMEM=], |
824 | [NO_MEMMEM=YesPlease]) | |
825 | AC_SUBST(NO_MEMMEM) | |
826 | # | |
633b4239 | 827 | # Define NO_STRLCPY if you don't have strlcpy. |
1689c5de | 828 | GIT_CHECK_FUNC(strlcpy, |
424adc50 JN |
829 | [NO_STRLCPY=], |
830 | [NO_STRLCPY=YesPlease]) | |
831 | AC_SUBST(NO_STRLCPY) | |
f6719572 | 832 | # |
0bc3e781 DS |
833 | # Define NO_UINTMAX_T if your platform does not have uintmax_t |
834 | AC_CHECK_TYPE(uintmax_t, | |
835 | [NO_UINTMAX_T=], | |
836 | [NO_UINTMAX_T=YesPlease],[ | |
837 | #include <inttypes.h> | |
838 | ]) | |
839 | AC_SUBST(NO_UINTMAX_T) | |
840 | # | |
24397556 | 841 | # Define NO_STRTOUMAX if you don't have strtoumax in the C library. |
1689c5de | 842 | GIT_CHECK_FUNC(strtoumax, |
24397556 JN |
843 | [NO_STRTOUMAX=], |
844 | [NO_STRTOUMAX=YesPlease]) | |
845 | AC_SUBST(NO_STRTOUMAX) | |
846 | # | |
633b4239 | 847 | # Define NO_SETENV if you don't have setenv in the C library. |
1689c5de | 848 | GIT_CHECK_FUNC(setenv, |
424adc50 JN |
849 | [NO_SETENV=], |
850 | [NO_SETENV=YesPlease]) | |
851 | AC_SUBST(NO_SETENV) | |
f6719572 | 852 | # |
bfa8fccf | 853 | # Define NO_UNSETENV if you don't have unsetenv in the C library. |
1689c5de | 854 | GIT_CHECK_FUNC(unsetenv, |
bfa8fccf JN |
855 | [NO_UNSETENV=], |
856 | [NO_UNSETENV=YesPlease]) | |
857 | AC_SUBST(NO_UNSETENV) | |
858 | # | |
24397556 | 859 | # Define NO_MKDTEMP if you don't have mkdtemp in the C library. |
1689c5de | 860 | GIT_CHECK_FUNC(mkdtemp, |
24397556 JN |
861 | [NO_MKDTEMP=], |
862 | [NO_MKDTEMP=YesPlease]) | |
863 | AC_SUBST(NO_MKDTEMP) | |
864 | # | |
0620b39b DA |
865 | # Define NO_MKSTEMPS if you don't have mkstemps in the C library. |
866 | GIT_CHECK_FUNC(mkstemps, | |
867 | [NO_MKSTEMPS=], | |
868 | [NO_MKSTEMPS=YesPlease]) | |
869 | AC_SUBST(NO_MKSTEMPS) | |
870 | # | |
25fe66f8 MD |
871 | # Define NO_INITGROUPS if you don't have initgroups in the C library. |
872 | GIT_CHECK_FUNC(initgroups, | |
873 | [NO_INITGROUPS=], | |
874 | [NO_INITGROUPS=YesPlease]) | |
875 | AC_SUBST(NO_INITGROUPS) | |
876 | # | |
0620b39b | 877 | # |
633b4239 JN |
878 | # Define NO_MMAP if you want to avoid mmap. |
879 | # | |
633b4239 JN |
880 | # Define NO_ICONV if your libc does not properly support iconv. |
881 | ||
882 | ||
883 | ## Other checks. | |
884 | # Define USE_PIC if you need the main git objects to be built with -fPIC | |
885 | # in order to build and link perl/Git.so. x86-64 seems to need this. | |
886 | # | |
887 | # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. | |
888 | # Enable it on Windows. By default, symrefs are still used. | |
20f7a398 | 889 | # |
7eb151d6 | 890 | # Define NO_PTHREADS if we do not have pthreads. |
46059cc6 | 891 | # |
7eb151d6 | 892 | # Define PTHREAD_LIBS to the linker flag used for Pthread support. |
1973b0d7 | 893 | AC_DEFUN([PTHREADTEST_SRC], [ |
1e58dba1 | 894 | AC_LANG_PROGRAM([[ |
1973b0d7 | 895 | #include <pthread.h> |
1e58dba1 | 896 | ]], [[ |
1973b0d7 | 897 | pthread_mutex_t test_mutex; |
48793cf4 GV |
898 | int retcode = 0; |
899 | retcode |= pthread_mutex_init(&test_mutex,(void *)0); | |
900 | retcode |= pthread_mutex_lock(&test_mutex); | |
901 | retcode |= pthread_mutex_unlock(&test_mutex); | |
902 | return retcode; | |
1e58dba1 | 903 | ]])]) |
1973b0d7 BW |
904 | |
905 | dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( | |
906 | dnl [[#include <pthread.h>]], | |
907 | dnl [[pthread_mutex_t test_mutex;]] | |
908 | dnl )]) | |
909 | ||
910 | NO_PTHREADS=UnfortunatelyYes | |
1973b0d7 BW |
911 | PTHREAD_LIBS= |
912 | ||
913 | if test -n "$USER_NOPTHREAD"; then | |
914 | AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) | |
915 | # handle these separately since PTHREAD_CFLAGS could be '-lpthreads | |
916 | # -D_REENTRANT' or some such. | |
917 | elif test -z "$PTHREAD_CFLAGS"; then | |
48793cf4 GV |
918 | threads_found=no |
919 | for opt in -mt -pthread -lpthread; do | |
1973b0d7 BW |
920 | old_CFLAGS="$CFLAGS" |
921 | CFLAGS="$opt $CFLAGS" | |
922 | AC_MSG_CHECKING([Checking for POSIX Threads with '$opt']) | |
1e58dba1 | 923 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
924 | [AC_MSG_RESULT([yes]) |
925 | NO_PTHREADS= | |
926 | PTHREAD_LIBS="$opt" | |
48793cf4 GV |
927 | PTHREAD_CFLAGS="$opt" |
928 | threads_found=yes | |
1973b0d7 BW |
929 | break |
930 | ], | |
931 | [AC_MSG_RESULT([no])]) | |
932 | CFLAGS="$old_CFLAGS" | |
933 | done | |
48793cf4 GV |
934 | if test $threads_found != yes; then |
935 | AC_CHECK_LIB([pthread], [pthread_create], | |
936 | [PTHREAD_LIBS="-lpthread"], | |
937 | [NO_PTHREADS=UnfortunatelyYes]) | |
938 | fi | |
20f7a398 | 939 | else |
1973b0d7 BW |
940 | old_CFLAGS="$CFLAGS" |
941 | CFLAGS="$PTHREAD_CFLAGS $CFLAGS" | |
942 | AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS']) | |
1e58dba1 | 943 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
944 | [AC_MSG_RESULT([yes]) |
945 | NO_PTHREADS= | |
946 | PTHREAD_LIBS="$PTHREAD_CFLAGS" | |
1973b0d7 BW |
947 | ], |
948 | [AC_MSG_RESULT([no])]) | |
949 | ||
950 | CFLAGS="$old_CFLAGS" | |
20f7a398 | 951 | fi |
1973b0d7 BW |
952 | |
953 | CFLAGS="$old_CFLAGS" | |
954 | ||
48793cf4 | 955 | AC_SUBST(PTHREAD_CFLAGS) |
20f7a398 | 956 | AC_SUBST(PTHREAD_LIBS) |
46059cc6 | 957 | AC_SUBST(NO_PTHREADS) |
633b4239 | 958 | |
633b4239 | 959 | ## Output files |
d3a6db98 | 960 | AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) |
55667714 | 961 | AC_OUTPUT |
d3a6db98 | 962 | |
f6719572 | 963 | |
d3a6db98 JN |
964 | ## Cleanup |
965 | rm -f "${config_append}" |