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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 | # ----------------------------------------------------- |
d79d9e13 BW |
88 | # Set VAR to the value specied by --with-WITHNAME. |
89 | # No verification of arguments is performed, but warnings are issued | |
90 | # if either 'yes' or 'no' is specified. | |
91 | # HELP_TEXT is presented when --help is called. | |
92 | # This is a direct way to allow setting variables in the Makefile. | |
93 | AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR], | |
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 '$CSSMIN' to enable CSS minifying]) | |
3a34c2bf | 229 | GIT_CONF_SUBST([CSSMIN]) |
bb4bbf75 MR |
230 | ]) |
231 | ||
08df6a30 BW |
232 | ## Site configuration (override autodetection) |
233 | ## --with-PACKAGE[=ARG] and --without-PACKAGE | |
234 | AC_MSG_NOTICE([CHECKS for site configuration]) | |
235 | # | |
236 | # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability | |
237 | # tests. These tests take up a significant amount of the total test time | |
238 | # but are not needed unless you plan to talk to SVN repos. | |
239 | # | |
08df6a30 BW |
240 | # Define PPC_SHA1 environment variable when running make to make use of |
241 | # a bundled SHA1 routine optimized for PowerPC. | |
242 | # | |
08df6a30 | 243 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
30ae47b4 | 244 | # This also implies BLK_SHA1. |
08df6a30 BW |
245 | # |
246 | # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in | |
247 | # /foo/bar/include and /foo/bar/lib directories. | |
248 | AC_ARG_WITH(openssl, | |
249 | AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) | |
5b2d1314 SL |
250 | AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]), |
251 | GIT_PARSE_WITH([openssl])) | |
252 | ||
a119f91e MK |
253 | # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be |
254 | # able to use Perl-compatible regular expressions. | |
255 | # | |
256 | # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in | |
257 | # /foo/bar/include and /foo/bar/lib directories. | |
258 | # | |
259 | AC_ARG_WITH(libpcre, | |
260 | AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)]) | |
261 | AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), | |
5b2d1314 SL |
262 | if test "$withval" = "no"; then |
263 | USE_LIBPCRE= | |
264 | elif test "$withval" = "yes"; then | |
265 | USE_LIBPCRE=YesPlease | |
266 | else | |
267 | USE_LIBPCRE=YesPlease | |
268 | LIBPCREDIR=$withval | |
3a34c2bf | 269 | AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) |
40bfbde9 SL |
270 | dnl USE_LIBPCRE can still be modified below, so don't substitute |
271 | dnl it yet. | |
3a34c2bf | 272 | GIT_CONF_SUBST([LIBPCREDIR]) |
5b2d1314 | 273 | fi) |
a119f91e | 274 | # |
61f76a36 KS |
275 | # Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. |
276 | AC_FUNC_ALLOCA | |
277 | case $ac_cv_working_alloca_h in | |
278 | yes) HAVE_ALLOCA_H=YesPlease;; | |
279 | *) HAVE_ALLOCA_H='';; | |
280 | esac | |
281 | GIT_CONF_SUBST([HAVE_ALLOCA_H]) | |
282 | # | |
08df6a30 BW |
283 | # Define NO_CURL if you do not have curl installed. git-http-pull and |
284 | # git-http-push are not built, and you cannot use http:// and https:// | |
285 | # transports. | |
286 | # | |
287 | # Define CURLDIR=/foo/bar if your curl header and library files are in | |
288 | # /foo/bar/include and /foo/bar/lib directories. | |
289 | AC_ARG_WITH(curl, | |
290 | AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) | |
291 | AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), | |
292 | GIT_PARSE_WITH(curl)) | |
293 | # | |
294 | # Define NO_EXPAT if you do not have expat installed. git-http-push is | |
295 | # not built, and you cannot push using http:// and https:// transports. | |
296 | # | |
297 | # Define EXPATDIR=/foo/bar if your expat header and library files are in | |
298 | # /foo/bar/include and /foo/bar/lib directories. | |
299 | AC_ARG_WITH(expat, | |
300 | AS_HELP_STRING([--with-expat], | |
301 | [support git-push using http:// and https:// transports via WebDAV (default is YES)]) | |
302 | AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), | |
303 | GIT_PARSE_WITH(expat)) | |
304 | # | |
305 | # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink | |
306 | # installed in /sw, but don't want GIT to link against any libraries | |
307 | # installed there. If defined you may specify your own (or Fink's) | |
308 | # include directories and library directories by defining CFLAGS | |
309 | # and LDFLAGS appropriately. | |
310 | # | |
311 | # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, | |
312 | # have DarwinPorts installed in /opt/local, but don't want GIT to | |
313 | # link against any libraries installed there. If defined you may | |
314 | # specify your own (or DarwinPort's) include directories and | |
315 | # library directories by defining CFLAGS and LDFLAGS appropriately. | |
316 | # | |
317 | # Define NO_MMAP if you want to avoid mmap. | |
318 | # | |
319 | # Define NO_ICONV if your libc does not properly support iconv. | |
320 | AC_ARG_WITH(iconv, | |
321 | AS_HELP_STRING([--without-iconv], | |
322 | [if your architecture doesn't properly support iconv]) | |
323 | AS_HELP_STRING([--with-iconv=PATH], | |
324 | [PATH is prefix for libiconv library and headers]) | |
325 | AS_HELP_STRING([], | |
326 | [used only if you need linking with libiconv]), | |
327 | GIT_PARSE_WITH(iconv)) | |
328 | ||
329 | ## --enable-FEATURE[=ARG] and --disable-FEATURE | |
330 | # | |
331 | # Define USE_NSEC below if you want git to care about sub-second file mtimes | |
332 | # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and | |
333 | # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely | |
334 | # randomly break unless your underlying filesystem supports those sub-second | |
335 | # times (my ext3 doesn't). | |
336 | # | |
337 | # Define USE_STDEV below if you want git to care about the underlying device | |
338 | # change being considered an inode change from the update-index perspective. | |
339 | ||
5ca5377d BW |
340 | # |
341 | # Allow user to set ETC_GITCONFIG variable | |
342 | GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG, | |
343 | Use VALUE instead of /etc/gitconfig as the | |
344 | global git configuration file. | |
6df42ab9 PO |
345 | If VALUE is not fully qualified it will be interpreted |
346 | as a path relative to the computed prefix at runtime.) | |
347 | ||
348 | # | |
349 | # Allow user to set ETC_GITATTRIBUTES variable | |
350 | GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES, | |
351 | Use VALUE instead of /etc/gitattributes as the | |
352 | global git attributes file. | |
353 | If VALUE is not fully qualified it will be interpreted | |
5ca5377d BW |
354 | as a path relative to the computed prefix at runtime.) |
355 | ||
356 | # | |
357 | # Allow user to set the default pager | |
358 | GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER, | |
359 | Use VALUE as the fall-back pager instead of 'less'. | |
360 | This is used by things like 'git log' when the user | |
361 | does not specify a pager to use through alternate | |
362 | methods. eg: /usr/bin/pager) | |
363 | # | |
364 | # Allow user to set the default editor | |
365 | GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR, | |
366 | Use VALUE as the fall-back editor instead of 'vi'. | |
367 | This is used by things like 'git commit' when the user | |
368 | does not specify a preferred editor through other | |
369 | methods. eg: /usr/bin/editor) | |
370 | ||
10861bea | 371 | # |
465e649d JN |
372 | # Define SHELL_PATH to provide path to shell. |
373 | GIT_ARG_SET_PATH(shell) | |
374 | # | |
375 | # Define PERL_PATH to provide path to Perl. | |
376 | GIT_ARG_SET_PATH(perl) | |
377 | # | |
d4e1b47a | 378 | # Define PYTHON_PATH to provide path to Python. |
dc78250f | 379 | GIT_ARG_SET_PATH(python, allow-without) |
d4e1b47a | 380 | # |
bef19da9 RS |
381 | # Define ZLIB_PATH to provide path to zlib. |
382 | GIT_ARG_SET_PATH(zlib) | |
383 | # | |
81b63c70 ER |
384 | # Declare the with-tcltk/without-tcltk options. |
385 | AC_ARG_WITH(tcltk, | |
386 | AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) | |
387 | AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) | |
388 | AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) | |
5b2d1314 | 389 | AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]), |
81b63c70 ER |
390 | GIT_PARSE_WITH(tcltk)) |
391 | # | |
c4b1b140 JN |
392 | |
393 | ||
633b4239 | 394 | ## Checks for programs. |
fd22c027 | 395 | AC_MSG_NOTICE([CHECKS for programs]) |
f6719572 | 396 | # |
60a144f2 | 397 | AC_PROG_CC([cc gcc]) |
f9f33cdc GV |
398 | AC_C_INLINE |
399 | case $ac_cv_c_inline in | |
40bfbde9 SL |
400 | inline | yes | no) INLINE='';; |
401 | *) INLINE=$ac_cv_c_inline ;; | |
f9f33cdc | 402 | esac |
40bfbde9 | 403 | GIT_CONF_SUBST([INLINE]) |
f9f33cdc | 404 | |
798a9450 | 405 | # which switch to pass runtime path to dynamic libraries to the linker |
a1a587ef | 406 | AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ |
798a9450 GF |
407 | SAVE_LDFLAGS="${LDFLAGS}" |
408 | LDFLAGS="${SAVE_LDFLAGS} -R /" | |
1e58dba1 | 409 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) |
798a9450 GF |
410 | LDFLAGS="${SAVE_LDFLAGS}" |
411 | ]) | |
a1a587ef | 412 | if test "$git_cv_ld_dashr" = "yes"; then |
40bfbde9 | 413 | CC_LD_DYNPATH=-R |
798a9450 | 414 | else |
a1a587ef | 415 | AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ |
798a9450 GF |
416 | SAVE_LDFLAGS="${LDFLAGS}" |
417 | LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" | |
1e58dba1 | 418 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) |
50a4b352 | 419 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 420 | ]) |
a1a587ef | 421 | if test "$git_cv_ld_wl_rpath" = "yes"; then |
9979a507 | 422 | CC_LD_DYNPATH=-Wl,-rpath, |
798a9450 | 423 | else |
a1a587ef | 424 | AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ |
798a9450 GF |
425 | SAVE_LDFLAGS="${LDFLAGS}" |
426 | LDFLAGS="${SAVE_LDFLAGS} -rpath /" | |
1e58dba1 | 427 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) |
50a4b352 | 428 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 429 | ]) |
a1a587ef | 430 | if test "$git_cv_ld_rpath" = "yes"; then |
40bfbde9 | 431 | CC_LD_DYNPATH=-rpath |
798a9450 | 432 | else |
40bfbde9 | 433 | CC_LD_DYNPATH= |
798a9450 GF |
434 | AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) |
435 | fi | |
436 | fi | |
437 | fi | |
40bfbde9 | 438 | GIT_CONF_SUBST([CC_LD_DYNPATH]) |
fd22c027 | 439 | #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
96e24abc | 440 | AC_CHECK_TOOLS(AR, [gar ar], :) |
fd22c027 | 441 | AC_CHECK_PROGS(TAR, [gtar tar]) |
d1b1a919 | 442 | AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff]) |
81b63c70 ER |
443 | # TCLTK_PATH will be set to some value if we want Tcl/Tk |
444 | # or will be empty otherwise. | |
40bfbde9 SL |
445 | if test -n "$NO_TCLTK"; then |
446 | TCLTK_PATH= | |
447 | else | |
81b63c70 ER |
448 | if test "$with_tcltk" = ""; then |
449 | # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. | |
450 | TCLTK_PATH=wish | |
81b63c70 ER |
451 | elif test "$with_tcltk" = "yes"; then |
452 | # Tcl/Tk check requested. | |
453 | AC_CHECK_PROGS(TCLTK_PATH, [wish], ) | |
68daee08 | 454 | else |
81b63c70 ER |
455 | AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) |
456 | TCLTK_PATH="$with_tcltk" | |
81b63c70 ER |
457 | fi |
458 | fi | |
40bfbde9 | 459 | GIT_CONF_SUBST([TCLTK_PATH]) |
923db42e JN |
460 | AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) |
461 | if test -n "$ASCIIDOC"; then | |
462 | AC_MSG_CHECKING([for asciidoc version]) | |
29adc8ba | 463 | asciidoc_version=`$ASCIIDOC --version 2>/dev/null` |
923db42e | 464 | case "${asciidoc_version}" in |
79c461d5 | 465 | asciidoc' '8*) |
923db42e JN |
466 | AC_MSG_RESULT([${asciidoc_version}]) |
467 | ;; | |
468 | *) | |
923db42e JN |
469 | AC_MSG_RESULT([${asciidoc_version} (unknown)]) |
470 | ;; | |
471 | esac | |
472 | fi | |
923db42e | 473 | |
633b4239 JN |
474 | |
475 | ## Checks for libraries. | |
ebdf5321 | 476 | AC_MSG_NOTICE([CHECKS for libraries]) |
f6719572 | 477 | # |
633b4239 | 478 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
ebdf5321 | 479 | # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
310386f0 BW |
480 | |
481 | GIT_STASH_FLAGS($OPENSSLDIR) | |
482 | ||
d5c31a1c | 483 | AC_CHECK_LIB([crypto], [SHA1_Init], |
424adc50 | 484 | [NEEDS_SSL_WITH_CRYPTO=], |
3068f6c4 | 485 | [AC_CHECK_LIB([ssl], [SHA1_Init], |
40bfbde9 SL |
486 | [NEEDS_SSL_WITH_CRYPTO=YesPlease NO_OPENSSL=], |
487 | [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) | |
310386f0 BW |
488 | |
489 | GIT_UNSTASH_FLAGS($OPENSSLDIR) | |
490 | ||
40bfbde9 SL |
491 | GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) |
492 | GIT_CONF_SUBST([NO_OPENSSL]) | |
310386f0 | 493 | |
a119f91e MK |
494 | # |
495 | # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be | |
496 | # able to use Perl-compatible regular expressions. | |
497 | # | |
498 | ||
499 | if test -n "$USE_LIBPCRE"; then | |
500 | ||
501 | GIT_STASH_FLAGS($LIBPCREDIR) | |
502 | ||
503 | AC_CHECK_LIB([pcre], [pcre_version], | |
504 | [USE_LIBPCRE=YesPlease], | |
505 | [USE_LIBPCRE=]) | |
506 | ||
507 | GIT_UNSTASH_FLAGS($LIBPCREDIR) | |
508 | ||
40bfbde9 | 509 | GIT_CONF_SUBST([USE_LIBPCRE]) |
a119f91e MK |
510 | |
511 | fi | |
512 | ||
f6719572 | 513 | # |
8da1e212 | 514 | # Define NO_CURL if you do not have libcurl installed. git-http-pull and |
633b4239 JN |
515 | # git-http-push are not built, and you cannot use http:// and https:// |
516 | # transports. | |
310386f0 BW |
517 | |
518 | GIT_STASH_FLAGS($CURLDIR) | |
519 | ||
d5c31a1c | 520 | AC_CHECK_LIB([curl], [curl_global_init], |
424adc50 JN |
521 | [NO_CURL=], |
522 | [NO_CURL=YesPlease]) | |
310386f0 BW |
523 | |
524 | GIT_UNSTASH_FLAGS($CURLDIR) | |
525 | ||
40bfbde9 | 526 | GIT_CONF_SUBST([NO_CURL]) |
310386f0 | 527 | |
f6719572 | 528 | # |
633b4239 JN |
529 | # Define NO_EXPAT if you do not have expat installed. git-http-push is |
530 | # not built, and you cannot push using http:// and https:// transports. | |
310386f0 BW |
531 | |
532 | GIT_STASH_FLAGS($EXPATDIR) | |
533 | ||
d5c31a1c | 534 | AC_CHECK_LIB([expat], [XML_ParserCreate], |
424adc50 JN |
535 | [NO_EXPAT=], |
536 | [NO_EXPAT=YesPlease]) | |
310386f0 BW |
537 | |
538 | GIT_UNSTASH_FLAGS($EXPATDIR) | |
539 | ||
40bfbde9 | 540 | GIT_CONF_SUBST([NO_EXPAT]) |
310386f0 | 541 | |
f6719572 | 542 | # |
e63ccb84 FK |
543 | # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
544 | # some Solaris installations). | |
6ff88de7 | 545 | # Define NO_ICONV if neither libc nor libiconv support iconv. |
310386f0 | 546 | |
934f82a7 MN |
547 | if test -z "$NO_ICONV"; then |
548 | ||
310386f0 BW |
549 | GIT_STASH_FLAGS($ICONVDIR) |
550 | ||
1e58dba1 RW |
551 | AC_DEFUN([ICONVTEST_SRC], |
552 | [AC_LANG_PROGRAM([#include <iconv.h>], | |
553 | [iconv_open("", "");])]) | |
a8304f7a BW |
554 | |
555 | if test -n "$ICONVDIR"; then | |
556 | lib_order="-liconv -lc" | |
557 | else | |
558 | lib_order="-lc -liconv" | |
559 | fi | |
560 | ||
561 | NO_ICONV=YesPlease | |
562 | ||
563 | for l in $lib_order; do | |
564 | if test "$l" = "-liconv"; then | |
565 | NEEDS_LIBICONV=YesPlease | |
566 | else | |
567 | NEEDS_LIBICONV= | |
568 | fi | |
569 | ||
570 | old_LIBS="$LIBS" | |
571 | LIBS="$LIBS $l" | |
572 | AC_MSG_CHECKING([for iconv in $l]) | |
1e58dba1 | 573 | AC_LINK_IFELSE([ICONVTEST_SRC], |
e63ccb84 | 574 | [AC_MSG_RESULT([yes]) |
a8304f7a BW |
575 | NO_ICONV= |
576 | break], | |
577 | [AC_MSG_RESULT([no])]) | |
578 | LIBS="$old_LIBS" | |
579 | done | |
580 | ||
581 | #in case of break | |
582 | LIBS="$old_LIBS" | |
310386f0 BW |
583 | |
584 | GIT_UNSTASH_FLAGS($ICONVDIR) | |
585 | ||
40bfbde9 SL |
586 | GIT_CONF_SUBST([NEEDS_LIBICONV]) |
587 | GIT_CONF_SUBST([NO_ICONV]) | |
310386f0 | 588 | |
934f82a7 MN |
589 | if test -n "$NO_ICONV"; then |
590 | NEEDS_LIBICONV= | |
591 | fi | |
592 | ||
593 | fi | |
594 | ||
f6719572 | 595 | # |
609a2289 | 596 | # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. |
310386f0 BW |
597 | |
598 | GIT_STASH_FLAGS($ZLIB_PATH) | |
599 | ||
609a2289 | 600 | AC_DEFUN([ZLIBTEST_SRC], [ |
1e58dba1 RW |
601 | AC_LANG_PROGRAM([#include <zlib.h>], |
602 | [deflateBound(0, 0);])]) | |
609a2289 DS |
603 | AC_MSG_CHECKING([for deflateBound in -lz]) |
604 | old_LIBS="$LIBS" | |
605 | LIBS="$LIBS -lz" | |
1e58dba1 | 606 | AC_LINK_IFELSE([ZLIBTEST_SRC], |
609a2289 DS |
607 | [AC_MSG_RESULT([yes])], |
608 | [AC_MSG_RESULT([no]) | |
609 | NO_DEFLATE_BOUND=yes]) | |
610 | LIBS="$old_LIBS" | |
310386f0 BW |
611 | |
612 | GIT_UNSTASH_FLAGS($ZLIB_PATH) | |
613 | ||
40bfbde9 | 614 | GIT_CONF_SUBST([NO_DEFLATE_BOUND]) |
310386f0 | 615 | |
609a2289 | 616 | # |
633b4239 JN |
617 | # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
618 | # Patrick Mauritz). | |
d5c31a1c | 619 | AC_CHECK_LIB([c], [socket], |
424adc50 JN |
620 | [NEEDS_SOCKET=], |
621 | [NEEDS_SOCKET=YesPlease]) | |
40bfbde9 | 622 | GIT_CONF_SUBST([NEEDS_SOCKET]) |
d1b9944d | 623 | test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
633b4239 | 624 | |
8fccb009 | 625 | # |
5a857c74 GV |
626 | # The next few tests will define NEEDS_RESOLV if linking with |
627 | # libresolv provides some of the functions we would normally get | |
628 | # from libc. | |
629 | NEEDS_RESOLV= | |
5a857c74 GV |
630 | # |
631 | # Define NO_INET_NTOP if linking with -lresolv is not enough. | |
632 | # Solaris 2.7 in particular hos inet_ntop in -lresolv. | |
633 | NO_INET_NTOP= | |
5a857c74 | 634 | AC_CHECK_FUNC([inet_ntop], |
40bfbde9 | 635 | [], |
5a857c74 | 636 | [AC_CHECK_LIB([resolv], [inet_ntop], |
40bfbde9 | 637 | [NEEDS_RESOLV=YesPlease], |
5a857c74 GV |
638 | [NO_INET_NTOP=YesPlease]) |
639 | ]) | |
40bfbde9 | 640 | GIT_CONF_SUBST([NO_INET_NTOP]) |
5a857c74 GV |
641 | # |
642 | # Define NO_INET_PTON if linking with -lresolv is not enough. | |
643 | # Solaris 2.7 in particular hos inet_pton in -lresolv. | |
644 | NO_INET_PTON= | |
5a857c74 | 645 | AC_CHECK_FUNC([inet_pton], |
40bfbde9 | 646 | [], |
5a857c74 | 647 | [AC_CHECK_LIB([resolv], [inet_pton], |
40bfbde9 | 648 | [NEEDS_RESOLV=YesPlease], |
5a857c74 GV |
649 | [NO_INET_PTON=YesPlease]) |
650 | ]) | |
40bfbde9 | 651 | GIT_CONF_SUBST([NO_INET_PTON]) |
0a9b167e GV |
652 | # |
653 | # Define NO_HSTRERROR if linking with -lresolv is not enough. | |
654 | # Solaris 2.6 in particular has no hstrerror, even in -lresolv. | |
655 | NO_HSTRERROR= | |
656 | AC_CHECK_FUNC([hstrerror], | |
40bfbde9 | 657 | [], |
0a9b167e | 658 | [AC_CHECK_LIB([resolv], [hstrerror], |
40bfbde9 | 659 | [NEEDS_RESOLV=YesPlease], |
0a9b167e GV |
660 | [NO_HSTRERROR=YesPlease]) |
661 | ]) | |
40bfbde9 SL |
662 | GIT_CONF_SUBST([NO_HSTRERROR]) |
663 | ||
664 | dnl This must go after all the possible places for its initialization, | |
665 | dnl in the AC_CHECK_FUNC invocations above. | |
666 | GIT_CONF_SUBST([NEEDS_RESOLV]) | |
5a857c74 GV |
667 | # |
668 | # If any of the above tests determined that -lresolv is needed at | |
669 | # build-time, also set it here for remaining configure-time checks. | |
8fccb009 | 670 | test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" |
633b4239 | 671 | |
a1142892 | 672 | AC_CHECK_LIB([c], [basename], |
ecc395c1 BC |
673 | [NEEDS_LIBGEN=], |
674 | [NEEDS_LIBGEN=YesPlease]) | |
40bfbde9 | 675 | GIT_CONF_SUBST([NEEDS_LIBGEN]) |
ecc395c1 BC |
676 | test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" |
677 | ||
5e9637c6 ÆAB |
678 | AC_CHECK_LIB([c], [gettext], |
679 | [LIBC_CONTAINS_LIBINTL=YesPlease], | |
680 | [LIBC_CONTAINS_LIBINTL=]) | |
40bfbde9 | 681 | GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL]) |
a8356d43 JS |
682 | |
683 | # | |
684 | # Define NO_GETTEXT if you don't want Git output to be translated. | |
685 | # A translated Git requires GNU libintl or another gettext implementation | |
686 | AC_CHECK_HEADER([libintl.h], | |
687 | [NO_GETTEXT=], | |
688 | [NO_GETTEXT=YesPlease]) | |
40bfbde9 | 689 | GIT_CONF_SUBST([NO_GETTEXT]) |
a8356d43 JS |
690 | |
691 | if test -z "$NO_GETTEXT"; then | |
692 | test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" | |
693 | fi | |
5e9637c6 | 694 | |
633b4239 | 695 | ## Checks for header files. |
0f7a9c9b JN |
696 | AC_MSG_NOTICE([CHECKS for header files]) |
697 | # | |
3cf32374 JN |
698 | # Define NO_SYS_SELECT_H if you don't have sys/select.h. |
699 | AC_CHECK_HEADER([sys/select.h], | |
700 | [NO_SYS_SELECT_H=], | |
701 | [NO_SYS_SELECT_H=UnfortunatelyYes]) | |
40bfbde9 | 702 | GIT_CONF_SUBST([NO_SYS_SELECT_H]) |
3cf32374 | 703 | # |
25fe66f8 MD |
704 | # Define NO_SYS_POLL_H if you don't have sys/poll.h |
705 | AC_CHECK_HEADER([sys/poll.h], | |
706 | [NO_SYS_POLL_H=], | |
707 | [NO_SYS_POLL_H=UnfortunatelyYes]) | |
40bfbde9 | 708 | GIT_CONF_SUBST([NO_SYS_POLL_H]) |
25fe66f8 MD |
709 | # |
710 | # Define NO_INTTYPES_H if you don't have inttypes.h | |
711 | AC_CHECK_HEADER([inttypes.h], | |
712 | [NO_INTTYPES_H=], | |
713 | [NO_INTTYPES_H=UnfortunatelyYes]) | |
40bfbde9 | 714 | GIT_CONF_SUBST([NO_INTTYPES_H]) |
25fe66f8 | 715 | # |
0f7a9c9b JN |
716 | # Define OLD_ICONV if your library has an old iconv(), where the second |
717 | # (input buffer pointer) parameter is declared with type (const char **). | |
1e58dba1 RW |
718 | AC_DEFUN([OLDICONVTEST_SRC], [ |
719 | AC_LANG_PROGRAM([[ | |
0f7a9c9b JN |
720 | #include <iconv.h> |
721 | ||
722 | extern size_t iconv(iconv_t cd, | |
723 | char **inbuf, size_t *inbytesleft, | |
724 | char **outbuf, size_t *outbytesleft); | |
1e58dba1 | 725 | ]], [])]) |
a8304f7a BW |
726 | |
727 | GIT_STASH_FLAGS($ICONVDIR) | |
728 | ||
0f7a9c9b | 729 | AC_MSG_CHECKING([for old iconv()]) |
1e58dba1 | 730 | AC_COMPILE_IFELSE([OLDICONVTEST_SRC], |
0f7a9c9b JN |
731 | [AC_MSG_RESULT([no])], |
732 | [AC_MSG_RESULT([yes]) | |
733 | OLD_ICONV=UnfortunatelyYes]) | |
633b4239 | 734 | |
a8304f7a BW |
735 | GIT_UNSTASH_FLAGS($ICONVDIR) |
736 | ||
40bfbde9 | 737 | GIT_CONF_SUBST([OLD_ICONV]) |
633b4239 JN |
738 | |
739 | ## Checks for typedefs, structures, and compiler characteristics. | |
eb0f255d | 740 | AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
f6719572 | 741 | # |
e88a135b GV |
742 | TYPE_SOCKLEN_T |
743 | case $ac_cv_type_socklen_t in | |
40bfbde9 SL |
744 | yes) SOCKLEN_T='';; |
745 | *) SOCKLEN_T=$git_cv_socklen_t_equiv;; | |
e88a135b | 746 | esac |
40bfbde9 | 747 | GIT_CONF_SUBST([SOCKLEN_T]) |
e88a135b | 748 | |
633b4239 | 749 | # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. |
d5c31a1c | 750 | AC_CHECK_MEMBER(struct dirent.d_ino, |
424adc50 JN |
751 | [NO_D_INO_IN_DIRENT=], |
752 | [NO_D_INO_IN_DIRENT=YesPlease], | |
eb0f255d | 753 | [#include <dirent.h>]) |
40bfbde9 | 754 | GIT_CONF_SUBST([NO_D_INO_IN_DIRENT]) |
f6719572 | 755 | # |
633b4239 JN |
756 | # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
757 | # d_type in struct dirent (latest Cygwin -- will be fixed soonish). | |
d5c31a1c | 758 | AC_CHECK_MEMBER(struct dirent.d_type, |
424adc50 JN |
759 | [NO_D_TYPE_IN_DIRENT=], |
760 | [NO_D_TYPE_IN_DIRENT=YesPlease], | |
eb0f255d | 761 | [#include <dirent.h>]) |
40bfbde9 | 762 | GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT]) |
f6719572 | 763 | # |
110d6985 DM |
764 | # Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd |
765 | # in the C library. | |
766 | AC_CHECK_MEMBER(struct passwd.pw_gecos, | |
767 | [NO_GECOS_IN_PWENT=], | |
768 | [NO_GECOS_IN_PWENT=YesPlease], | |
769 | [#include <pwd.h>]) | |
770 | GIT_CONF_SUBST([NO_GECOS_IN_PWENT]) | |
771 | # | |
633b4239 JN |
772 | # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
773 | # sockaddr_storage. | |
d5c31a1c | 774 | AC_CHECK_TYPE(struct sockaddr_storage, |
424adc50 | 775 | [NO_SOCKADDR_STORAGE=], |
ab5573ae DS |
776 | [NO_SOCKADDR_STORAGE=YesPlease],[ |
777 | #include <sys/types.h> | |
778 | #include <sys/socket.h> | |
779 | ]) | |
40bfbde9 | 780 | GIT_CONF_SUBST([NO_SOCKADDR_STORAGE]) |
424adc50 | 781 | # |
8c6ab35e JH |
782 | # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
783 | AC_CHECK_TYPE([struct addrinfo],[ | |
1689c5de | 784 | GIT_CHECK_FUNC([getaddrinfo], |
424adc50 JN |
785 | [NO_IPV6=], |
786 | [NO_IPV6=YesPlease]) | |
787 | ],[NO_IPV6=YesPlease],[ | |
8c6ab35e JH |
788 | #include <sys/types.h> |
789 | #include <sys/socket.h> | |
790 | #include <netdb.h> | |
791 | ]) | |
40bfbde9 | 792 | GIT_CONF_SUBST([NO_IPV6]) |
656517b9 | 793 | # |
a1e3b669 JN |
794 | # Define NO_REGEX if you have no or inferior regex support in your C library. |
795 | AC_CACHE_CHECK([whether the platform regex can handle null bytes], | |
796 | [ac_cv_c_excellent_regex], [ | |
797 | AC_EGREP_CPP(yippeeyeswehaveit, | |
798 | AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
799 | #include <regex.h> | |
800 | ], | |
801 | [#ifdef REG_STARTEND | |
802 | yippeeyeswehaveit | |
803 | #endif | |
804 | ]), | |
805 | [ac_cv_c_excellent_regex=yes], | |
23168246 | 806 | [ac_cv_c_excellent_regex=no]) |
a1e3b669 JN |
807 | ]) |
808 | if test $ac_cv_c_excellent_regex = yes; then | |
809 | NO_REGEX= | |
810 | else | |
811 | NO_REGEX=YesPlease | |
812 | fi | |
40bfbde9 | 813 | GIT_CONF_SUBST([NO_REGEX]) |
a1e3b669 | 814 | # |
8ce1f243 MR |
815 | # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds |
816 | # when attempting to read from an fopen'ed directory. | |
817 | AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], | |
818 | [ac_cv_fread_reads_directories], | |
819 | [ | |
820 | AC_RUN_IFELSE( | |
821 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
822 | [[char c; | |
823 | FILE *f = fopen(".", "r"); | |
824 | return f && fread(&c, 1, 1, f)]])], | |
825 | [ac_cv_fread_reads_directories=no], | |
826 | [ac_cv_fread_reads_directories=yes]) | |
827 | ]) | |
828 | if test $ac_cv_fread_reads_directories = yes; then | |
829 | FREAD_READS_DIRECTORIES=UnfortunatelyYes | |
830 | else | |
831 | FREAD_READS_DIRECTORIES= | |
832 | fi | |
40bfbde9 | 833 | GIT_CONF_SUBST([FREAD_READS_DIRECTORIES]) |
8ce1f243 | 834 | # |
c4582f93 MR |
835 | # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() |
836 | # or vsnprintf() return -1 instead of number of characters which would | |
837 | # have been written to the final string if enough space had been available. | |
838 | AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], | |
839 | [ac_cv_snprintf_returns_bogus], | |
840 | [ | |
841 | AC_RUN_IFELSE( | |
842 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
843 | #include "stdarg.h" | |
844 | ||
845 | int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) | |
846 | { | |
847 | int ret; | |
848 | va_list ap; | |
849 | va_start(ap, format); | |
850 | ret = vsnprintf(str, maxsize, format, ap); | |
851 | va_end(ap); | |
852 | return ret; | |
853 | }], | |
854 | [[char buf[6]; | |
855 | if (test_vsnprintf(buf, 3, "%s", "12345") != 5 | |
856 | || strcmp(buf, "12")) return 1; | |
857 | if (snprintf(buf, 3, "%s", "12345") != 5 | |
858 | || strcmp(buf, "12")) return 1]])], | |
859 | [ac_cv_snprintf_returns_bogus=no], | |
860 | [ac_cv_snprintf_returns_bogus=yes]) | |
861 | ]) | |
862 | if test $ac_cv_snprintf_returns_bogus = yes; then | |
863 | SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes | |
864 | else | |
865 | SNPRINTF_RETURNS_BOGUS= | |
866 | fi | |
40bfbde9 | 867 | GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS]) |
633b4239 | 868 | |
a20b4d89 | 869 | |
633b4239 | 870 | ## Checks for library functions. |
1bbbadbc JN |
871 | ## (in default C library and libraries checked by AC_CHECK_LIB) |
872 | AC_MSG_NOTICE([CHECKS for library functions]) | |
f6719572 | 873 | # |
e1c06886 DA |
874 | # Define NO_LIBGEN_H if you don't have libgen.h. |
875 | AC_CHECK_HEADER([libgen.h], | |
876 | [NO_LIBGEN_H=], | |
877 | [NO_LIBGEN_H=YesPlease]) | |
40bfbde9 | 878 | GIT_CONF_SUBST([NO_LIBGEN_H]) |
e1c06886 | 879 | # |
bb15e382 JN |
880 | # Define HAVE_PATHS_H if you have paths.h. |
881 | AC_CHECK_HEADER([paths.h], | |
882 | [HAVE_PATHS_H=YesPlease], | |
883 | [HAVE_PATHS_H=]) | |
40bfbde9 | 884 | GIT_CONF_SUBST([HAVE_PATHS_H]) |
bb15e382 | 885 | # |
5e9637c6 ÆAB |
886 | # Define HAVE_LIBCHARSET_H if have libcharset.h |
887 | AC_CHECK_HEADER([libcharset.h], | |
888 | [HAVE_LIBCHARSET_H=YesPlease], | |
889 | [HAVE_LIBCHARSET_H=]) | |
40bfbde9 | 890 | GIT_CONF_SUBST([HAVE_LIBCHARSET_H]) |
b3e103da DM |
891 | # |
892 | # Define HAVE_STRINGS_H if you have strings.h | |
893 | AC_CHECK_HEADER([strings.h], | |
894 | [HAVE_STRINGS_H=YesPlease], | |
895 | [HAVE_STRINGS_H=]) | |
896 | GIT_CONF_SUBST([HAVE_STRINGS_H]) | |
b5225286 ДП |
897 | # Define CHARSET_LIB if libiconv does not export the locale_charset symbol |
898 | # and libcharset does | |
899 | CHARSET_LIB= | |
900 | AC_CHECK_LIB([iconv], [locale_charset], | |
62fb6d03 | 901 | [CHARSET_LIB=-liconv], |
b5225286 | 902 | [AC_CHECK_LIB([charset], [locale_charset], |
40bfbde9 SL |
903 | [CHARSET_LIB=-lcharset])]) |
904 | GIT_CONF_SUBST([CHARSET_LIB]) | |
5e9637c6 | 905 | # |
633b4239 | 906 | # Define NO_STRCASESTR if you don't have strcasestr. |
1689c5de | 907 | GIT_CHECK_FUNC(strcasestr, |
424adc50 JN |
908 | [NO_STRCASESTR=], |
909 | [NO_STRCASESTR=YesPlease]) | |
40bfbde9 | 910 | GIT_CONF_SUBST([NO_STRCASESTR]) |
f6719572 | 911 | # |
24397556 | 912 | # Define NO_MEMMEM if you don't have memmem. |
1689c5de | 913 | GIT_CHECK_FUNC(memmem, |
24397556 JN |
914 | [NO_MEMMEM=], |
915 | [NO_MEMMEM=YesPlease]) | |
40bfbde9 | 916 | GIT_CONF_SUBST([NO_MEMMEM]) |
24397556 | 917 | # |
633b4239 | 918 | # Define NO_STRLCPY if you don't have strlcpy. |
1689c5de | 919 | GIT_CHECK_FUNC(strlcpy, |
424adc50 JN |
920 | [NO_STRLCPY=], |
921 | [NO_STRLCPY=YesPlease]) | |
40bfbde9 | 922 | GIT_CONF_SUBST([NO_STRLCPY]) |
f6719572 | 923 | # |
0bc3e781 DS |
924 | # Define NO_UINTMAX_T if your platform does not have uintmax_t |
925 | AC_CHECK_TYPE(uintmax_t, | |
926 | [NO_UINTMAX_T=], | |
927 | [NO_UINTMAX_T=YesPlease],[ | |
928 | #include <inttypes.h> | |
929 | ]) | |
40bfbde9 | 930 | GIT_CONF_SUBST([NO_UINTMAX_T]) |
0bc3e781 | 931 | # |
24397556 | 932 | # Define NO_STRTOUMAX if you don't have strtoumax in the C library. |
1689c5de | 933 | GIT_CHECK_FUNC(strtoumax, |
24397556 JN |
934 | [NO_STRTOUMAX=], |
935 | [NO_STRTOUMAX=YesPlease]) | |
40bfbde9 | 936 | GIT_CONF_SUBST([NO_STRTOUMAX]) |
24397556 | 937 | # |
633b4239 | 938 | # Define NO_SETENV if you don't have setenv in the C library. |
1689c5de | 939 | GIT_CHECK_FUNC(setenv, |
424adc50 JN |
940 | [NO_SETENV=], |
941 | [NO_SETENV=YesPlease]) | |
40bfbde9 | 942 | GIT_CONF_SUBST([NO_SETENV]) |
f6719572 | 943 | # |
bfa8fccf | 944 | # Define NO_UNSETENV if you don't have unsetenv in the C library. |
1689c5de | 945 | GIT_CHECK_FUNC(unsetenv, |
bfa8fccf JN |
946 | [NO_UNSETENV=], |
947 | [NO_UNSETENV=YesPlease]) | |
40bfbde9 | 948 | GIT_CONF_SUBST([NO_UNSETENV]) |
bfa8fccf | 949 | # |
24397556 | 950 | # Define NO_MKDTEMP if you don't have mkdtemp in the C library. |
1689c5de | 951 | GIT_CHECK_FUNC(mkdtemp, |
24397556 JN |
952 | [NO_MKDTEMP=], |
953 | [NO_MKDTEMP=YesPlease]) | |
40bfbde9 | 954 | GIT_CONF_SUBST([NO_MKDTEMP]) |
24397556 | 955 | # |
0620b39b DA |
956 | # Define NO_MKSTEMPS if you don't have mkstemps in the C library. |
957 | GIT_CHECK_FUNC(mkstemps, | |
958 | [NO_MKSTEMPS=], | |
959 | [NO_MKSTEMPS=YesPlease]) | |
40bfbde9 | 960 | GIT_CONF_SUBST([NO_MKSTEMPS]) |
0620b39b | 961 | # |
25fe66f8 MD |
962 | # Define NO_INITGROUPS if you don't have initgroups in the C library. |
963 | GIT_CHECK_FUNC(initgroups, | |
964 | [NO_INITGROUPS=], | |
965 | [NO_INITGROUPS=YesPlease]) | |
40bfbde9 | 966 | GIT_CONF_SUBST([NO_INITGROUPS]) |
25fe66f8 | 967 | # |
0620b39b | 968 | # |
633b4239 JN |
969 | # Define NO_MMAP if you want to avoid mmap. |
970 | # | |
633b4239 JN |
971 | # Define NO_ICONV if your libc does not properly support iconv. |
972 | ||
973 | ||
974 | ## Other checks. | |
975 | # Define USE_PIC if you need the main git objects to be built with -fPIC | |
976 | # in order to build and link perl/Git.so. x86-64 seems to need this. | |
977 | # | |
978 | # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. | |
979 | # Enable it on Windows. By default, symrefs are still used. | |
20f7a398 | 980 | # |
7eb151d6 | 981 | # Define NO_PTHREADS if we do not have pthreads. |
46059cc6 | 982 | # |
7eb151d6 | 983 | # Define PTHREAD_LIBS to the linker flag used for Pthread support. |
1973b0d7 | 984 | AC_DEFUN([PTHREADTEST_SRC], [ |
1e58dba1 | 985 | AC_LANG_PROGRAM([[ |
1973b0d7 | 986 | #include <pthread.h> |
1e58dba1 | 987 | ]], [[ |
1973b0d7 | 988 | pthread_mutex_t test_mutex; |
cea13a8d | 989 | pthread_key_t test_key; |
48793cf4 | 990 | int retcode = 0; |
cea13a8d | 991 | retcode |= pthread_key_create(&test_key, (void *)0); |
48793cf4 GV |
992 | retcode |= pthread_mutex_init(&test_mutex,(void *)0); |
993 | retcode |= pthread_mutex_lock(&test_mutex); | |
994 | retcode |= pthread_mutex_unlock(&test_mutex); | |
995 | return retcode; | |
1e58dba1 | 996 | ]])]) |
1973b0d7 BW |
997 | |
998 | dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( | |
999 | dnl [[#include <pthread.h>]], | |
1000 | dnl [[pthread_mutex_t test_mutex;]] | |
1001 | dnl )]) | |
1002 | ||
1003 | NO_PTHREADS=UnfortunatelyYes | |
1973b0d7 BW |
1004 | PTHREAD_LIBS= |
1005 | ||
1006 | if test -n "$USER_NOPTHREAD"; then | |
1007 | AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) | |
1008 | # handle these separately since PTHREAD_CFLAGS could be '-lpthreads | |
1009 | # -D_REENTRANT' or some such. | |
1010 | elif test -z "$PTHREAD_CFLAGS"; then | |
48793cf4 | 1011 | threads_found=no |
e0a52279 MH |
1012 | # Attempt to compile and link some code using pthreads to determine |
1013 | # required linker flags. The order is somewhat important here: We | |
1014 | # first try it without any extra flags, to catch systems where | |
1015 | # pthreads are part of the C library, then go on testing various other | |
1016 | # flags. We do so to avoid false positives. For example, on Mac OS X | |
1017 | # pthreads are part of the C library; moreover, the compiler allows us | |
1018 | # to add "-mt" to the CFLAGS (although it will do nothing except | |
1019 | # trigger a warning about an unused flag). Hence if we checked for | |
1020 | # "-mt" before "" we would end up picking it. But unfortunately this | |
1021 | # would then trigger compiler warnings on every single file we compile. | |
1022 | for opt in "" -mt -pthread -lpthread; do | |
1973b0d7 BW |
1023 | old_CFLAGS="$CFLAGS" |
1024 | CFLAGS="$opt $CFLAGS" | |
49aeead2 | 1025 | AC_MSG_CHECKING([for POSIX Threads with '$opt']) |
1e58dba1 | 1026 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
1027 | [AC_MSG_RESULT([yes]) |
1028 | NO_PTHREADS= | |
1029 | PTHREAD_LIBS="$opt" | |
48793cf4 GV |
1030 | PTHREAD_CFLAGS="$opt" |
1031 | threads_found=yes | |
1973b0d7 BW |
1032 | break |
1033 | ], | |
1034 | [AC_MSG_RESULT([no])]) | |
1035 | CFLAGS="$old_CFLAGS" | |
1036 | done | |
48793cf4 GV |
1037 | if test $threads_found != yes; then |
1038 | AC_CHECK_LIB([pthread], [pthread_create], | |
1039 | [PTHREAD_LIBS="-lpthread"], | |
1040 | [NO_PTHREADS=UnfortunatelyYes]) | |
1041 | fi | |
20f7a398 | 1042 | else |
1973b0d7 BW |
1043 | old_CFLAGS="$CFLAGS" |
1044 | CFLAGS="$PTHREAD_CFLAGS $CFLAGS" | |
49aeead2 | 1045 | AC_MSG_CHECKING([for POSIX Threads with '$PTHREAD_CFLAGS']) |
1e58dba1 | 1046 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
1047 | [AC_MSG_RESULT([yes]) |
1048 | NO_PTHREADS= | |
1049 | PTHREAD_LIBS="$PTHREAD_CFLAGS" | |
1973b0d7 BW |
1050 | ], |
1051 | [AC_MSG_RESULT([no])]) | |
1052 | ||
1053 | CFLAGS="$old_CFLAGS" | |
20f7a398 | 1054 | fi |
1973b0d7 BW |
1055 | |
1056 | CFLAGS="$old_CFLAGS" | |
1057 | ||
40bfbde9 SL |
1058 | GIT_CONF_SUBST([PTHREAD_CFLAGS]) |
1059 | GIT_CONF_SUBST([PTHREAD_LIBS]) | |
1060 | GIT_CONF_SUBST([NO_PTHREADS]) | |
633b4239 | 1061 | |
633b4239 | 1062 | ## Output files |
ac5fc1c5 | 1063 | AC_CONFIG_FILES(["${config_file}":"${config_in}"]) |
55667714 | 1064 | AC_OUTPUT |