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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 "$lib"; then | |
187 | AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) | |
188 | lib=lib | |
189 | fi | |
08df6a30 | 190 | |
1973b0d7 BW |
191 | AC_ARG_ENABLE([pthreads], |
192 | [AS_HELP_STRING([--enable-pthreads=FLAGS], | |
193 | [FLAGS is the value to pass to the compiler to enable POSIX Threads.] | |
194 | [The default if FLAGS is not specified is to try first -pthread] | |
195 | [and then -lpthread.] | |
196 | [--without-pthreads will disable threading.])], | |
197 | [ | |
198 | if test "x$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 | # |
08df6a30 BW |
275 | # Define NO_CURL if you do not have curl installed. git-http-pull and |
276 | # git-http-push are not built, and you cannot use http:// and https:// | |
277 | # transports. | |
278 | # | |
279 | # Define CURLDIR=/foo/bar if your curl header and library files are in | |
280 | # /foo/bar/include and /foo/bar/lib directories. | |
281 | AC_ARG_WITH(curl, | |
282 | AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) | |
283 | AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), | |
284 | GIT_PARSE_WITH(curl)) | |
285 | # | |
286 | # Define NO_EXPAT if you do not have expat installed. git-http-push is | |
287 | # not built, and you cannot push using http:// and https:// transports. | |
288 | # | |
289 | # Define EXPATDIR=/foo/bar if your expat header and library files are in | |
290 | # /foo/bar/include and /foo/bar/lib directories. | |
291 | AC_ARG_WITH(expat, | |
292 | AS_HELP_STRING([--with-expat], | |
293 | [support git-push using http:// and https:// transports via WebDAV (default is YES)]) | |
294 | AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), | |
295 | GIT_PARSE_WITH(expat)) | |
296 | # | |
297 | # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink | |
298 | # installed in /sw, but don't want GIT to link against any libraries | |
299 | # installed there. If defined you may specify your own (or Fink's) | |
300 | # include directories and library directories by defining CFLAGS | |
301 | # and LDFLAGS appropriately. | |
302 | # | |
303 | # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, | |
304 | # have DarwinPorts installed in /opt/local, but don't want GIT to | |
305 | # link against any libraries installed there. If defined you may | |
306 | # specify your own (or DarwinPort's) include directories and | |
307 | # library directories by defining CFLAGS and LDFLAGS appropriately. | |
308 | # | |
309 | # Define NO_MMAP if you want to avoid mmap. | |
310 | # | |
311 | # Define NO_ICONV if your libc does not properly support iconv. | |
312 | AC_ARG_WITH(iconv, | |
313 | AS_HELP_STRING([--without-iconv], | |
314 | [if your architecture doesn't properly support iconv]) | |
315 | AS_HELP_STRING([--with-iconv=PATH], | |
316 | [PATH is prefix for libiconv library and headers]) | |
317 | AS_HELP_STRING([], | |
318 | [used only if you need linking with libiconv]), | |
319 | GIT_PARSE_WITH(iconv)) | |
320 | ||
321 | ## --enable-FEATURE[=ARG] and --disable-FEATURE | |
322 | # | |
323 | # Define USE_NSEC below if you want git to care about sub-second file mtimes | |
324 | # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and | |
325 | # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely | |
326 | # randomly break unless your underlying filesystem supports those sub-second | |
327 | # times (my ext3 doesn't). | |
328 | # | |
329 | # Define USE_STDEV below if you want git to care about the underlying device | |
330 | # change being considered an inode change from the update-index perspective. | |
331 | ||
5ca5377d BW |
332 | # |
333 | # Allow user to set ETC_GITCONFIG variable | |
334 | GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG, | |
335 | Use VALUE instead of /etc/gitconfig as the | |
336 | global git configuration file. | |
6df42ab9 PO |
337 | If VALUE is not fully qualified it will be interpreted |
338 | as a path relative to the computed prefix at runtime.) | |
339 | ||
340 | # | |
341 | # Allow user to set ETC_GITATTRIBUTES variable | |
342 | GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES, | |
343 | Use VALUE instead of /etc/gitattributes as the | |
344 | global git attributes file. | |
345 | If VALUE is not fully qualified it will be interpreted | |
5ca5377d BW |
346 | as a path relative to the computed prefix at runtime.) |
347 | ||
348 | # | |
349 | # Allow user to set the default pager | |
350 | GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER, | |
351 | Use VALUE as the fall-back pager instead of 'less'. | |
352 | This is used by things like 'git log' when the user | |
353 | does not specify a pager to use through alternate | |
354 | methods. eg: /usr/bin/pager) | |
355 | # | |
356 | # Allow user to set the default editor | |
357 | GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR, | |
358 | Use VALUE as the fall-back editor instead of 'vi'. | |
359 | This is used by things like 'git commit' when the user | |
360 | does not specify a preferred editor through other | |
361 | methods. eg: /usr/bin/editor) | |
362 | ||
10861bea | 363 | # |
465e649d JN |
364 | # Define SHELL_PATH to provide path to shell. |
365 | GIT_ARG_SET_PATH(shell) | |
366 | # | |
367 | # Define PERL_PATH to provide path to Perl. | |
368 | GIT_ARG_SET_PATH(perl) | |
369 | # | |
d4e1b47a | 370 | # Define PYTHON_PATH to provide path to Python. |
dc78250f | 371 | GIT_ARG_SET_PATH(python, allow-without) |
d4e1b47a | 372 | # |
bef19da9 RS |
373 | # Define ZLIB_PATH to provide path to zlib. |
374 | GIT_ARG_SET_PATH(zlib) | |
375 | # | |
81b63c70 ER |
376 | # Declare the with-tcltk/without-tcltk options. |
377 | AC_ARG_WITH(tcltk, | |
378 | AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) | |
379 | AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) | |
380 | AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) | |
5b2d1314 | 381 | AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]), |
81b63c70 ER |
382 | GIT_PARSE_WITH(tcltk)) |
383 | # | |
c4b1b140 JN |
384 | |
385 | ||
633b4239 | 386 | ## Checks for programs. |
fd22c027 | 387 | AC_MSG_NOTICE([CHECKS for programs]) |
f6719572 | 388 | # |
60a144f2 | 389 | AC_PROG_CC([cc gcc]) |
f9f33cdc GV |
390 | AC_C_INLINE |
391 | case $ac_cv_c_inline in | |
40bfbde9 SL |
392 | inline | yes | no) INLINE='';; |
393 | *) INLINE=$ac_cv_c_inline ;; | |
f9f33cdc | 394 | esac |
40bfbde9 | 395 | GIT_CONF_SUBST([INLINE]) |
f9f33cdc | 396 | |
798a9450 | 397 | # which switch to pass runtime path to dynamic libraries to the linker |
a1a587ef | 398 | AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ |
798a9450 GF |
399 | SAVE_LDFLAGS="${LDFLAGS}" |
400 | LDFLAGS="${SAVE_LDFLAGS} -R /" | |
1e58dba1 | 401 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) |
798a9450 GF |
402 | LDFLAGS="${SAVE_LDFLAGS}" |
403 | ]) | |
a1a587ef | 404 | if test "$git_cv_ld_dashr" = "yes"; then |
40bfbde9 | 405 | CC_LD_DYNPATH=-R |
798a9450 | 406 | else |
a1a587ef | 407 | AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ |
798a9450 GF |
408 | SAVE_LDFLAGS="${LDFLAGS}" |
409 | LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" | |
1e58dba1 | 410 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) |
50a4b352 | 411 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 412 | ]) |
a1a587ef | 413 | if test "$git_cv_ld_wl_rpath" = "yes"; then |
9979a507 | 414 | CC_LD_DYNPATH=-Wl,-rpath, |
798a9450 | 415 | else |
a1a587ef | 416 | AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ |
798a9450 GF |
417 | SAVE_LDFLAGS="${LDFLAGS}" |
418 | LDFLAGS="${SAVE_LDFLAGS} -rpath /" | |
1e58dba1 | 419 | AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) |
50a4b352 | 420 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 421 | ]) |
a1a587ef | 422 | if test "$git_cv_ld_rpath" = "yes"; then |
40bfbde9 | 423 | CC_LD_DYNPATH=-rpath |
798a9450 | 424 | else |
40bfbde9 | 425 | CC_LD_DYNPATH= |
798a9450 GF |
426 | AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) |
427 | fi | |
428 | fi | |
429 | fi | |
40bfbde9 | 430 | GIT_CONF_SUBST([CC_LD_DYNPATH]) |
fd22c027 | 431 | #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
96e24abc | 432 | AC_CHECK_TOOLS(AR, [gar ar], :) |
fd22c027 | 433 | AC_CHECK_PROGS(TAR, [gtar tar]) |
d1b1a919 | 434 | AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff]) |
81b63c70 ER |
435 | # TCLTK_PATH will be set to some value if we want Tcl/Tk |
436 | # or will be empty otherwise. | |
40bfbde9 SL |
437 | if test -n "$NO_TCLTK"; then |
438 | TCLTK_PATH= | |
439 | else | |
81b63c70 ER |
440 | if test "$with_tcltk" = ""; then |
441 | # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. | |
442 | TCLTK_PATH=wish | |
81b63c70 ER |
443 | elif test "$with_tcltk" = "yes"; then |
444 | # Tcl/Tk check requested. | |
445 | AC_CHECK_PROGS(TCLTK_PATH, [wish], ) | |
68daee08 | 446 | else |
81b63c70 ER |
447 | AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) |
448 | TCLTK_PATH="$with_tcltk" | |
81b63c70 ER |
449 | fi |
450 | fi | |
40bfbde9 | 451 | GIT_CONF_SUBST([TCLTK_PATH]) |
923db42e JN |
452 | AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) |
453 | if test -n "$ASCIIDOC"; then | |
454 | AC_MSG_CHECKING([for asciidoc version]) | |
29adc8ba | 455 | asciidoc_version=`$ASCIIDOC --version 2>/dev/null` |
923db42e | 456 | case "${asciidoc_version}" in |
79c461d5 | 457 | asciidoc' '8*) |
923db42e JN |
458 | AC_MSG_RESULT([${asciidoc_version}]) |
459 | ;; | |
460 | *) | |
923db42e JN |
461 | AC_MSG_RESULT([${asciidoc_version} (unknown)]) |
462 | ;; | |
463 | esac | |
464 | fi | |
923db42e | 465 | |
633b4239 JN |
466 | |
467 | ## Checks for libraries. | |
ebdf5321 | 468 | AC_MSG_NOTICE([CHECKS for libraries]) |
f6719572 | 469 | # |
633b4239 | 470 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
ebdf5321 | 471 | # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
310386f0 BW |
472 | |
473 | GIT_STASH_FLAGS($OPENSSLDIR) | |
474 | ||
d5c31a1c | 475 | AC_CHECK_LIB([crypto], [SHA1_Init], |
424adc50 | 476 | [NEEDS_SSL_WITH_CRYPTO=], |
3068f6c4 | 477 | [AC_CHECK_LIB([ssl], [SHA1_Init], |
40bfbde9 SL |
478 | [NEEDS_SSL_WITH_CRYPTO=YesPlease NO_OPENSSL=], |
479 | [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) | |
310386f0 BW |
480 | |
481 | GIT_UNSTASH_FLAGS($OPENSSLDIR) | |
482 | ||
40bfbde9 SL |
483 | GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) |
484 | GIT_CONF_SUBST([NO_OPENSSL]) | |
310386f0 | 485 | |
a119f91e MK |
486 | # |
487 | # Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be | |
488 | # able to use Perl-compatible regular expressions. | |
489 | # | |
490 | ||
491 | if test -n "$USE_LIBPCRE"; then | |
492 | ||
493 | GIT_STASH_FLAGS($LIBPCREDIR) | |
494 | ||
495 | AC_CHECK_LIB([pcre], [pcre_version], | |
496 | [USE_LIBPCRE=YesPlease], | |
497 | [USE_LIBPCRE=]) | |
498 | ||
499 | GIT_UNSTASH_FLAGS($LIBPCREDIR) | |
500 | ||
40bfbde9 | 501 | GIT_CONF_SUBST([USE_LIBPCRE]) |
a119f91e MK |
502 | |
503 | fi | |
504 | ||
f6719572 | 505 | # |
8da1e212 | 506 | # Define NO_CURL if you do not have libcurl installed. git-http-pull and |
633b4239 JN |
507 | # git-http-push are not built, and you cannot use http:// and https:// |
508 | # transports. | |
310386f0 BW |
509 | |
510 | GIT_STASH_FLAGS($CURLDIR) | |
511 | ||
d5c31a1c | 512 | AC_CHECK_LIB([curl], [curl_global_init], |
424adc50 JN |
513 | [NO_CURL=], |
514 | [NO_CURL=YesPlease]) | |
310386f0 BW |
515 | |
516 | GIT_UNSTASH_FLAGS($CURLDIR) | |
517 | ||
40bfbde9 | 518 | GIT_CONF_SUBST([NO_CURL]) |
310386f0 | 519 | |
f6719572 | 520 | # |
633b4239 JN |
521 | # Define NO_EXPAT if you do not have expat installed. git-http-push is |
522 | # not built, and you cannot push using http:// and https:// transports. | |
310386f0 BW |
523 | |
524 | GIT_STASH_FLAGS($EXPATDIR) | |
525 | ||
d5c31a1c | 526 | AC_CHECK_LIB([expat], [XML_ParserCreate], |
424adc50 JN |
527 | [NO_EXPAT=], |
528 | [NO_EXPAT=YesPlease]) | |
310386f0 BW |
529 | |
530 | GIT_UNSTASH_FLAGS($EXPATDIR) | |
531 | ||
40bfbde9 | 532 | GIT_CONF_SUBST([NO_EXPAT]) |
310386f0 | 533 | |
f6719572 | 534 | # |
e63ccb84 FK |
535 | # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
536 | # some Solaris installations). | |
6ff88de7 | 537 | # Define NO_ICONV if neither libc nor libiconv support iconv. |
310386f0 | 538 | |
934f82a7 MN |
539 | if test -z "$NO_ICONV"; then |
540 | ||
310386f0 BW |
541 | GIT_STASH_FLAGS($ICONVDIR) |
542 | ||
1e58dba1 RW |
543 | AC_DEFUN([ICONVTEST_SRC], |
544 | [AC_LANG_PROGRAM([#include <iconv.h>], | |
545 | [iconv_open("", "");])]) | |
a8304f7a BW |
546 | |
547 | if test -n "$ICONVDIR"; then | |
548 | lib_order="-liconv -lc" | |
549 | else | |
550 | lib_order="-lc -liconv" | |
551 | fi | |
552 | ||
553 | NO_ICONV=YesPlease | |
554 | ||
555 | for l in $lib_order; do | |
556 | if test "$l" = "-liconv"; then | |
557 | NEEDS_LIBICONV=YesPlease | |
558 | else | |
559 | NEEDS_LIBICONV= | |
560 | fi | |
561 | ||
562 | old_LIBS="$LIBS" | |
563 | LIBS="$LIBS $l" | |
564 | AC_MSG_CHECKING([for iconv in $l]) | |
1e58dba1 | 565 | AC_LINK_IFELSE([ICONVTEST_SRC], |
e63ccb84 | 566 | [AC_MSG_RESULT([yes]) |
a8304f7a BW |
567 | NO_ICONV= |
568 | break], | |
569 | [AC_MSG_RESULT([no])]) | |
570 | LIBS="$old_LIBS" | |
571 | done | |
572 | ||
573 | #in case of break | |
574 | LIBS="$old_LIBS" | |
310386f0 BW |
575 | |
576 | GIT_UNSTASH_FLAGS($ICONVDIR) | |
577 | ||
40bfbde9 SL |
578 | GIT_CONF_SUBST([NEEDS_LIBICONV]) |
579 | GIT_CONF_SUBST([NO_ICONV]) | |
310386f0 | 580 | |
934f82a7 MN |
581 | if test -n "$NO_ICONV"; then |
582 | NEEDS_LIBICONV= | |
583 | fi | |
584 | ||
585 | fi | |
586 | ||
f6719572 | 587 | # |
609a2289 | 588 | # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. |
310386f0 BW |
589 | |
590 | GIT_STASH_FLAGS($ZLIB_PATH) | |
591 | ||
609a2289 | 592 | AC_DEFUN([ZLIBTEST_SRC], [ |
1e58dba1 RW |
593 | AC_LANG_PROGRAM([#include <zlib.h>], |
594 | [deflateBound(0, 0);])]) | |
609a2289 DS |
595 | AC_MSG_CHECKING([for deflateBound in -lz]) |
596 | old_LIBS="$LIBS" | |
597 | LIBS="$LIBS -lz" | |
1e58dba1 | 598 | AC_LINK_IFELSE([ZLIBTEST_SRC], |
609a2289 DS |
599 | [AC_MSG_RESULT([yes])], |
600 | [AC_MSG_RESULT([no]) | |
601 | NO_DEFLATE_BOUND=yes]) | |
602 | LIBS="$old_LIBS" | |
310386f0 BW |
603 | |
604 | GIT_UNSTASH_FLAGS($ZLIB_PATH) | |
605 | ||
40bfbde9 | 606 | GIT_CONF_SUBST([NO_DEFLATE_BOUND]) |
310386f0 | 607 | |
609a2289 | 608 | # |
633b4239 JN |
609 | # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
610 | # Patrick Mauritz). | |
d5c31a1c | 611 | AC_CHECK_LIB([c], [socket], |
424adc50 JN |
612 | [NEEDS_SOCKET=], |
613 | [NEEDS_SOCKET=YesPlease]) | |
40bfbde9 | 614 | GIT_CONF_SUBST([NEEDS_SOCKET]) |
d1b9944d | 615 | test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
633b4239 | 616 | |
8fccb009 | 617 | # |
5a857c74 GV |
618 | # The next few tests will define NEEDS_RESOLV if linking with |
619 | # libresolv provides some of the functions we would normally get | |
620 | # from libc. | |
621 | NEEDS_RESOLV= | |
5a857c74 GV |
622 | # |
623 | # Define NO_INET_NTOP if linking with -lresolv is not enough. | |
624 | # Solaris 2.7 in particular hos inet_ntop in -lresolv. | |
625 | NO_INET_NTOP= | |
5a857c74 | 626 | AC_CHECK_FUNC([inet_ntop], |
40bfbde9 | 627 | [], |
5a857c74 | 628 | [AC_CHECK_LIB([resolv], [inet_ntop], |
40bfbde9 | 629 | [NEEDS_RESOLV=YesPlease], |
5a857c74 GV |
630 | [NO_INET_NTOP=YesPlease]) |
631 | ]) | |
40bfbde9 | 632 | GIT_CONF_SUBST([NO_INET_NTOP]) |
5a857c74 GV |
633 | # |
634 | # Define NO_INET_PTON if linking with -lresolv is not enough. | |
635 | # Solaris 2.7 in particular hos inet_pton in -lresolv. | |
636 | NO_INET_PTON= | |
5a857c74 | 637 | AC_CHECK_FUNC([inet_pton], |
40bfbde9 | 638 | [], |
5a857c74 | 639 | [AC_CHECK_LIB([resolv], [inet_pton], |
40bfbde9 | 640 | [NEEDS_RESOLV=YesPlease], |
5a857c74 GV |
641 | [NO_INET_PTON=YesPlease]) |
642 | ]) | |
40bfbde9 | 643 | GIT_CONF_SUBST([NO_INET_PTON]) |
0a9b167e GV |
644 | # |
645 | # Define NO_HSTRERROR if linking with -lresolv is not enough. | |
646 | # Solaris 2.6 in particular has no hstrerror, even in -lresolv. | |
647 | NO_HSTRERROR= | |
648 | AC_CHECK_FUNC([hstrerror], | |
40bfbde9 | 649 | [], |
0a9b167e | 650 | [AC_CHECK_LIB([resolv], [hstrerror], |
40bfbde9 | 651 | [NEEDS_RESOLV=YesPlease], |
0a9b167e GV |
652 | [NO_HSTRERROR=YesPlease]) |
653 | ]) | |
40bfbde9 SL |
654 | GIT_CONF_SUBST([NO_HSTRERROR]) |
655 | ||
656 | dnl This must go after all the possible places for its initialization, | |
657 | dnl in the AC_CHECK_FUNC invocations above. | |
658 | GIT_CONF_SUBST([NEEDS_RESOLV]) | |
5a857c74 GV |
659 | # |
660 | # If any of the above tests determined that -lresolv is needed at | |
661 | # build-time, also set it here for remaining configure-time checks. | |
8fccb009 | 662 | test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" |
633b4239 | 663 | |
a1142892 | 664 | AC_CHECK_LIB([c], [basename], |
ecc395c1 BC |
665 | [NEEDS_LIBGEN=], |
666 | [NEEDS_LIBGEN=YesPlease]) | |
40bfbde9 | 667 | GIT_CONF_SUBST([NEEDS_LIBGEN]) |
ecc395c1 BC |
668 | test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" |
669 | ||
5e9637c6 ÆAB |
670 | AC_CHECK_LIB([c], [gettext], |
671 | [LIBC_CONTAINS_LIBINTL=YesPlease], | |
672 | [LIBC_CONTAINS_LIBINTL=]) | |
40bfbde9 | 673 | GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL]) |
a8356d43 JS |
674 | |
675 | # | |
676 | # Define NO_GETTEXT if you don't want Git output to be translated. | |
677 | # A translated Git requires GNU libintl or another gettext implementation | |
678 | AC_CHECK_HEADER([libintl.h], | |
679 | [NO_GETTEXT=], | |
680 | [NO_GETTEXT=YesPlease]) | |
40bfbde9 | 681 | GIT_CONF_SUBST([NO_GETTEXT]) |
a8356d43 JS |
682 | |
683 | if test -z "$NO_GETTEXT"; then | |
684 | test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" | |
685 | fi | |
5e9637c6 | 686 | |
633b4239 | 687 | ## Checks for header files. |
0f7a9c9b JN |
688 | AC_MSG_NOTICE([CHECKS for header files]) |
689 | # | |
3cf32374 JN |
690 | # Define NO_SYS_SELECT_H if you don't have sys/select.h. |
691 | AC_CHECK_HEADER([sys/select.h], | |
692 | [NO_SYS_SELECT_H=], | |
693 | [NO_SYS_SELECT_H=UnfortunatelyYes]) | |
40bfbde9 | 694 | GIT_CONF_SUBST([NO_SYS_SELECT_H]) |
3cf32374 | 695 | # |
25fe66f8 MD |
696 | # Define NO_SYS_POLL_H if you don't have sys/poll.h |
697 | AC_CHECK_HEADER([sys/poll.h], | |
698 | [NO_SYS_POLL_H=], | |
699 | [NO_SYS_POLL_H=UnfortunatelyYes]) | |
40bfbde9 | 700 | GIT_CONF_SUBST([NO_SYS_POLL_H]) |
25fe66f8 MD |
701 | # |
702 | # Define NO_INTTYPES_H if you don't have inttypes.h | |
703 | AC_CHECK_HEADER([inttypes.h], | |
704 | [NO_INTTYPES_H=], | |
705 | [NO_INTTYPES_H=UnfortunatelyYes]) | |
40bfbde9 | 706 | GIT_CONF_SUBST([NO_INTTYPES_H]) |
25fe66f8 | 707 | # |
0f7a9c9b JN |
708 | # Define OLD_ICONV if your library has an old iconv(), where the second |
709 | # (input buffer pointer) parameter is declared with type (const char **). | |
1e58dba1 RW |
710 | AC_DEFUN([OLDICONVTEST_SRC], [ |
711 | AC_LANG_PROGRAM([[ | |
0f7a9c9b JN |
712 | #include <iconv.h> |
713 | ||
714 | extern size_t iconv(iconv_t cd, | |
715 | char **inbuf, size_t *inbytesleft, | |
716 | char **outbuf, size_t *outbytesleft); | |
1e58dba1 | 717 | ]], [])]) |
a8304f7a BW |
718 | |
719 | GIT_STASH_FLAGS($ICONVDIR) | |
720 | ||
0f7a9c9b | 721 | AC_MSG_CHECKING([for old iconv()]) |
1e58dba1 | 722 | AC_COMPILE_IFELSE([OLDICONVTEST_SRC], |
0f7a9c9b JN |
723 | [AC_MSG_RESULT([no])], |
724 | [AC_MSG_RESULT([yes]) | |
725 | OLD_ICONV=UnfortunatelyYes]) | |
633b4239 | 726 | |
a8304f7a BW |
727 | GIT_UNSTASH_FLAGS($ICONVDIR) |
728 | ||
40bfbde9 | 729 | GIT_CONF_SUBST([OLD_ICONV]) |
633b4239 JN |
730 | |
731 | ## Checks for typedefs, structures, and compiler characteristics. | |
eb0f255d | 732 | AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
f6719572 | 733 | # |
e88a135b GV |
734 | TYPE_SOCKLEN_T |
735 | case $ac_cv_type_socklen_t in | |
40bfbde9 SL |
736 | yes) SOCKLEN_T='';; |
737 | *) SOCKLEN_T=$git_cv_socklen_t_equiv;; | |
e88a135b | 738 | esac |
40bfbde9 | 739 | GIT_CONF_SUBST([SOCKLEN_T]) |
e88a135b | 740 | |
633b4239 | 741 | # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. |
d5c31a1c | 742 | AC_CHECK_MEMBER(struct dirent.d_ino, |
424adc50 JN |
743 | [NO_D_INO_IN_DIRENT=], |
744 | [NO_D_INO_IN_DIRENT=YesPlease], | |
eb0f255d | 745 | [#include <dirent.h>]) |
40bfbde9 | 746 | GIT_CONF_SUBST([NO_D_INO_IN_DIRENT]) |
f6719572 | 747 | # |
633b4239 JN |
748 | # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
749 | # d_type in struct dirent (latest Cygwin -- will be fixed soonish). | |
d5c31a1c | 750 | AC_CHECK_MEMBER(struct dirent.d_type, |
424adc50 JN |
751 | [NO_D_TYPE_IN_DIRENT=], |
752 | [NO_D_TYPE_IN_DIRENT=YesPlease], | |
eb0f255d | 753 | [#include <dirent.h>]) |
40bfbde9 | 754 | GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT]) |
f6719572 | 755 | # |
110d6985 DM |
756 | # Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd |
757 | # in the C library. | |
758 | AC_CHECK_MEMBER(struct passwd.pw_gecos, | |
759 | [NO_GECOS_IN_PWENT=], | |
760 | [NO_GECOS_IN_PWENT=YesPlease], | |
761 | [#include <pwd.h>]) | |
762 | GIT_CONF_SUBST([NO_GECOS_IN_PWENT]) | |
763 | # | |
633b4239 JN |
764 | # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
765 | # sockaddr_storage. | |
d5c31a1c | 766 | AC_CHECK_TYPE(struct sockaddr_storage, |
424adc50 | 767 | [NO_SOCKADDR_STORAGE=], |
ab5573ae DS |
768 | [NO_SOCKADDR_STORAGE=YesPlease],[ |
769 | #include <sys/types.h> | |
770 | #include <sys/socket.h> | |
771 | ]) | |
40bfbde9 | 772 | GIT_CONF_SUBST([NO_SOCKADDR_STORAGE]) |
424adc50 | 773 | # |
8c6ab35e JH |
774 | # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
775 | AC_CHECK_TYPE([struct addrinfo],[ | |
1689c5de | 776 | GIT_CHECK_FUNC([getaddrinfo], |
424adc50 JN |
777 | [NO_IPV6=], |
778 | [NO_IPV6=YesPlease]) | |
779 | ],[NO_IPV6=YesPlease],[ | |
8c6ab35e JH |
780 | #include <sys/types.h> |
781 | #include <sys/socket.h> | |
782 | #include <netdb.h> | |
783 | ]) | |
40bfbde9 | 784 | GIT_CONF_SUBST([NO_IPV6]) |
656517b9 | 785 | # |
a1e3b669 JN |
786 | # Define NO_REGEX if you have no or inferior regex support in your C library. |
787 | AC_CACHE_CHECK([whether the platform regex can handle null bytes], | |
788 | [ac_cv_c_excellent_regex], [ | |
789 | AC_EGREP_CPP(yippeeyeswehaveit, | |
790 | AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
791 | #include <regex.h> | |
792 | ], | |
793 | [#ifdef REG_STARTEND | |
794 | yippeeyeswehaveit | |
795 | #endif | |
796 | ]), | |
797 | [ac_cv_c_excellent_regex=yes], | |
23168246 | 798 | [ac_cv_c_excellent_regex=no]) |
a1e3b669 JN |
799 | ]) |
800 | if test $ac_cv_c_excellent_regex = yes; then | |
801 | NO_REGEX= | |
802 | else | |
803 | NO_REGEX=YesPlease | |
804 | fi | |
40bfbde9 | 805 | GIT_CONF_SUBST([NO_REGEX]) |
a1e3b669 | 806 | # |
8ce1f243 MR |
807 | # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds |
808 | # when attempting to read from an fopen'ed directory. | |
809 | AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], | |
810 | [ac_cv_fread_reads_directories], | |
811 | [ | |
812 | AC_RUN_IFELSE( | |
813 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
814 | [[char c; | |
815 | FILE *f = fopen(".", "r"); | |
816 | return f && fread(&c, 1, 1, f)]])], | |
817 | [ac_cv_fread_reads_directories=no], | |
818 | [ac_cv_fread_reads_directories=yes]) | |
819 | ]) | |
820 | if test $ac_cv_fread_reads_directories = yes; then | |
821 | FREAD_READS_DIRECTORIES=UnfortunatelyYes | |
822 | else | |
823 | FREAD_READS_DIRECTORIES= | |
824 | fi | |
40bfbde9 | 825 | GIT_CONF_SUBST([FREAD_READS_DIRECTORIES]) |
8ce1f243 | 826 | # |
c4582f93 MR |
827 | # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() |
828 | # or vsnprintf() return -1 instead of number of characters which would | |
829 | # have been written to the final string if enough space had been available. | |
830 | AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], | |
831 | [ac_cv_snprintf_returns_bogus], | |
832 | [ | |
833 | AC_RUN_IFELSE( | |
834 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
835 | #include "stdarg.h" | |
836 | ||
837 | int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) | |
838 | { | |
839 | int ret; | |
840 | va_list ap; | |
841 | va_start(ap, format); | |
842 | ret = vsnprintf(str, maxsize, format, ap); | |
843 | va_end(ap); | |
844 | return ret; | |
845 | }], | |
846 | [[char buf[6]; | |
847 | if (test_vsnprintf(buf, 3, "%s", "12345") != 5 | |
848 | || strcmp(buf, "12")) return 1; | |
849 | if (snprintf(buf, 3, "%s", "12345") != 5 | |
850 | || strcmp(buf, "12")) return 1]])], | |
851 | [ac_cv_snprintf_returns_bogus=no], | |
852 | [ac_cv_snprintf_returns_bogus=yes]) | |
853 | ]) | |
854 | if test $ac_cv_snprintf_returns_bogus = yes; then | |
855 | SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes | |
856 | else | |
857 | SNPRINTF_RETURNS_BOGUS= | |
858 | fi | |
40bfbde9 | 859 | GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS]) |
633b4239 | 860 | |
a20b4d89 | 861 | |
633b4239 | 862 | ## Checks for library functions. |
1bbbadbc JN |
863 | ## (in default C library and libraries checked by AC_CHECK_LIB) |
864 | AC_MSG_NOTICE([CHECKS for library functions]) | |
f6719572 | 865 | # |
e1c06886 DA |
866 | # Define NO_LIBGEN_H if you don't have libgen.h. |
867 | AC_CHECK_HEADER([libgen.h], | |
868 | [NO_LIBGEN_H=], | |
869 | [NO_LIBGEN_H=YesPlease]) | |
40bfbde9 | 870 | GIT_CONF_SUBST([NO_LIBGEN_H]) |
e1c06886 | 871 | # |
bb15e382 JN |
872 | # Define HAVE_PATHS_H if you have paths.h. |
873 | AC_CHECK_HEADER([paths.h], | |
874 | [HAVE_PATHS_H=YesPlease], | |
875 | [HAVE_PATHS_H=]) | |
40bfbde9 | 876 | GIT_CONF_SUBST([HAVE_PATHS_H]) |
bb15e382 | 877 | # |
5e9637c6 ÆAB |
878 | # Define HAVE_LIBCHARSET_H if have libcharset.h |
879 | AC_CHECK_HEADER([libcharset.h], | |
880 | [HAVE_LIBCHARSET_H=YesPlease], | |
881 | [HAVE_LIBCHARSET_H=]) | |
40bfbde9 | 882 | GIT_CONF_SUBST([HAVE_LIBCHARSET_H]) |
b3e103da DM |
883 | # |
884 | # Define HAVE_STRINGS_H if you have strings.h | |
885 | AC_CHECK_HEADER([strings.h], | |
886 | [HAVE_STRINGS_H=YesPlease], | |
887 | [HAVE_STRINGS_H=]) | |
888 | GIT_CONF_SUBST([HAVE_STRINGS_H]) | |
b5225286 ДП |
889 | # Define CHARSET_LIB if libiconv does not export the locale_charset symbol |
890 | # and libcharset does | |
891 | CHARSET_LIB= | |
892 | AC_CHECK_LIB([iconv], [locale_charset], | |
893 | [], | |
894 | [AC_CHECK_LIB([charset], [locale_charset], | |
40bfbde9 SL |
895 | [CHARSET_LIB=-lcharset])]) |
896 | GIT_CONF_SUBST([CHARSET_LIB]) | |
5e9637c6 | 897 | # |
633b4239 | 898 | # Define NO_STRCASESTR if you don't have strcasestr. |
1689c5de | 899 | GIT_CHECK_FUNC(strcasestr, |
424adc50 JN |
900 | [NO_STRCASESTR=], |
901 | [NO_STRCASESTR=YesPlease]) | |
40bfbde9 | 902 | GIT_CONF_SUBST([NO_STRCASESTR]) |
f6719572 | 903 | # |
f3f3d936 ÆAB |
904 | # Define NO_FNMATCH if you don't have fnmatch |
905 | GIT_CHECK_FUNC(fnmatch, | |
906 | [NO_FNMATCH=], | |
907 | [NO_FNMATCH=YesPlease]) | |
40bfbde9 | 908 | GIT_CONF_SUBST([NO_FNMATCH]) |
f3f3d936 | 909 | # |
4de066b6 ÆAB |
910 | # Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the |
911 | # FNM_CASEFOLD GNU extension. | |
912 | AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension], | |
913 | [ac_cv_c_excellent_fnmatch], [ | |
914 | AC_EGREP_CPP(yippeeyeswehaveit, | |
915 | AC_LANG_PROGRAM([ | |
916 | #include <fnmatch.h> | |
917 | ], | |
918 | [#ifdef FNM_CASEFOLD | |
919 | yippeeyeswehaveit | |
920 | #endif | |
921 | ]), | |
922 | [ac_cv_c_excellent_fnmatch=yes], | |
923 | [ac_cv_c_excellent_fnmatch=no]) | |
924 | ]) | |
925 | if test $ac_cv_c_excellent_fnmatch = yes; then | |
926 | NO_FNMATCH_CASEFOLD= | |
927 | else | |
928 | NO_FNMATCH_CASEFOLD=YesPlease | |
929 | fi | |
40bfbde9 | 930 | GIT_CONF_SUBST([NO_FNMATCH_CASEFOLD]) |
4de066b6 | 931 | # |
24397556 | 932 | # Define NO_MEMMEM if you don't have memmem. |
1689c5de | 933 | GIT_CHECK_FUNC(memmem, |
24397556 JN |
934 | [NO_MEMMEM=], |
935 | [NO_MEMMEM=YesPlease]) | |
40bfbde9 | 936 | GIT_CONF_SUBST([NO_MEMMEM]) |
24397556 | 937 | # |
633b4239 | 938 | # Define NO_STRLCPY if you don't have strlcpy. |
1689c5de | 939 | GIT_CHECK_FUNC(strlcpy, |
424adc50 JN |
940 | [NO_STRLCPY=], |
941 | [NO_STRLCPY=YesPlease]) | |
40bfbde9 | 942 | GIT_CONF_SUBST([NO_STRLCPY]) |
f6719572 | 943 | # |
0bc3e781 DS |
944 | # Define NO_UINTMAX_T if your platform does not have uintmax_t |
945 | AC_CHECK_TYPE(uintmax_t, | |
946 | [NO_UINTMAX_T=], | |
947 | [NO_UINTMAX_T=YesPlease],[ | |
948 | #include <inttypes.h> | |
949 | ]) | |
40bfbde9 | 950 | GIT_CONF_SUBST([NO_UINTMAX_T]) |
0bc3e781 | 951 | # |
24397556 | 952 | # Define NO_STRTOUMAX if you don't have strtoumax in the C library. |
1689c5de | 953 | GIT_CHECK_FUNC(strtoumax, |
24397556 JN |
954 | [NO_STRTOUMAX=], |
955 | [NO_STRTOUMAX=YesPlease]) | |
40bfbde9 | 956 | GIT_CONF_SUBST([NO_STRTOUMAX]) |
24397556 | 957 | # |
633b4239 | 958 | # Define NO_SETENV if you don't have setenv in the C library. |
1689c5de | 959 | GIT_CHECK_FUNC(setenv, |
424adc50 JN |
960 | [NO_SETENV=], |
961 | [NO_SETENV=YesPlease]) | |
40bfbde9 | 962 | GIT_CONF_SUBST([NO_SETENV]) |
f6719572 | 963 | # |
bfa8fccf | 964 | # Define NO_UNSETENV if you don't have unsetenv in the C library. |
1689c5de | 965 | GIT_CHECK_FUNC(unsetenv, |
bfa8fccf JN |
966 | [NO_UNSETENV=], |
967 | [NO_UNSETENV=YesPlease]) | |
40bfbde9 | 968 | GIT_CONF_SUBST([NO_UNSETENV]) |
bfa8fccf | 969 | # |
24397556 | 970 | # Define NO_MKDTEMP if you don't have mkdtemp in the C library. |
1689c5de | 971 | GIT_CHECK_FUNC(mkdtemp, |
24397556 JN |
972 | [NO_MKDTEMP=], |
973 | [NO_MKDTEMP=YesPlease]) | |
40bfbde9 | 974 | GIT_CONF_SUBST([NO_MKDTEMP]) |
24397556 | 975 | # |
0620b39b DA |
976 | # Define NO_MKSTEMPS if you don't have mkstemps in the C library. |
977 | GIT_CHECK_FUNC(mkstemps, | |
978 | [NO_MKSTEMPS=], | |
979 | [NO_MKSTEMPS=YesPlease]) | |
40bfbde9 | 980 | GIT_CONF_SUBST([NO_MKSTEMPS]) |
0620b39b | 981 | # |
25fe66f8 MD |
982 | # Define NO_INITGROUPS if you don't have initgroups in the C library. |
983 | GIT_CHECK_FUNC(initgroups, | |
984 | [NO_INITGROUPS=], | |
985 | [NO_INITGROUPS=YesPlease]) | |
40bfbde9 | 986 | GIT_CONF_SUBST([NO_INITGROUPS]) |
25fe66f8 | 987 | # |
0620b39b | 988 | # |
633b4239 JN |
989 | # Define NO_MMAP if you want to avoid mmap. |
990 | # | |
633b4239 JN |
991 | # Define NO_ICONV if your libc does not properly support iconv. |
992 | ||
993 | ||
994 | ## Other checks. | |
995 | # Define USE_PIC if you need the main git objects to be built with -fPIC | |
996 | # in order to build and link perl/Git.so. x86-64 seems to need this. | |
997 | # | |
998 | # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. | |
999 | # Enable it on Windows. By default, symrefs are still used. | |
20f7a398 | 1000 | # |
7eb151d6 | 1001 | # Define NO_PTHREADS if we do not have pthreads. |
46059cc6 | 1002 | # |
7eb151d6 | 1003 | # Define PTHREAD_LIBS to the linker flag used for Pthread support. |
1973b0d7 | 1004 | AC_DEFUN([PTHREADTEST_SRC], [ |
1e58dba1 | 1005 | AC_LANG_PROGRAM([[ |
1973b0d7 | 1006 | #include <pthread.h> |
1e58dba1 | 1007 | ]], [[ |
1973b0d7 | 1008 | pthread_mutex_t test_mutex; |
cea13a8d | 1009 | pthread_key_t test_key; |
48793cf4 | 1010 | int retcode = 0; |
cea13a8d | 1011 | retcode |= pthread_key_create(&test_key, (void *)0); |
48793cf4 GV |
1012 | retcode |= pthread_mutex_init(&test_mutex,(void *)0); |
1013 | retcode |= pthread_mutex_lock(&test_mutex); | |
1014 | retcode |= pthread_mutex_unlock(&test_mutex); | |
1015 | return retcode; | |
1e58dba1 | 1016 | ]])]) |
1973b0d7 BW |
1017 | |
1018 | dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( | |
1019 | dnl [[#include <pthread.h>]], | |
1020 | dnl [[pthread_mutex_t test_mutex;]] | |
1021 | dnl )]) | |
1022 | ||
1023 | NO_PTHREADS=UnfortunatelyYes | |
1973b0d7 BW |
1024 | PTHREAD_LIBS= |
1025 | ||
1026 | if test -n "$USER_NOPTHREAD"; then | |
1027 | AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) | |
1028 | # handle these separately since PTHREAD_CFLAGS could be '-lpthreads | |
1029 | # -D_REENTRANT' or some such. | |
1030 | elif test -z "$PTHREAD_CFLAGS"; then | |
48793cf4 | 1031 | threads_found=no |
e0a52279 MH |
1032 | # Attempt to compile and link some code using pthreads to determine |
1033 | # required linker flags. The order is somewhat important here: We | |
1034 | # first try it without any extra flags, to catch systems where | |
1035 | # pthreads are part of the C library, then go on testing various other | |
1036 | # flags. We do so to avoid false positives. For example, on Mac OS X | |
1037 | # pthreads are part of the C library; moreover, the compiler allows us | |
1038 | # to add "-mt" to the CFLAGS (although it will do nothing except | |
1039 | # trigger a warning about an unused flag). Hence if we checked for | |
1040 | # "-mt" before "" we would end up picking it. But unfortunately this | |
1041 | # would then trigger compiler warnings on every single file we compile. | |
1042 | for opt in "" -mt -pthread -lpthread; do | |
1973b0d7 BW |
1043 | old_CFLAGS="$CFLAGS" |
1044 | CFLAGS="$opt $CFLAGS" | |
49aeead2 | 1045 | AC_MSG_CHECKING([for POSIX Threads with '$opt']) |
1e58dba1 | 1046 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
1047 | [AC_MSG_RESULT([yes]) |
1048 | NO_PTHREADS= | |
1049 | PTHREAD_LIBS="$opt" | |
48793cf4 GV |
1050 | PTHREAD_CFLAGS="$opt" |
1051 | threads_found=yes | |
1973b0d7 BW |
1052 | break |
1053 | ], | |
1054 | [AC_MSG_RESULT([no])]) | |
1055 | CFLAGS="$old_CFLAGS" | |
1056 | done | |
48793cf4 GV |
1057 | if test $threads_found != yes; then |
1058 | AC_CHECK_LIB([pthread], [pthread_create], | |
1059 | [PTHREAD_LIBS="-lpthread"], | |
1060 | [NO_PTHREADS=UnfortunatelyYes]) | |
1061 | fi | |
20f7a398 | 1062 | else |
1973b0d7 BW |
1063 | old_CFLAGS="$CFLAGS" |
1064 | CFLAGS="$PTHREAD_CFLAGS $CFLAGS" | |
49aeead2 | 1065 | AC_MSG_CHECKING([for POSIX Threads with '$PTHREAD_CFLAGS']) |
1e58dba1 | 1066 | AC_LINK_IFELSE([PTHREADTEST_SRC], |
1973b0d7 BW |
1067 | [AC_MSG_RESULT([yes]) |
1068 | NO_PTHREADS= | |
1069 | PTHREAD_LIBS="$PTHREAD_CFLAGS" | |
1973b0d7 BW |
1070 | ], |
1071 | [AC_MSG_RESULT([no])]) | |
1072 | ||
1073 | CFLAGS="$old_CFLAGS" | |
20f7a398 | 1074 | fi |
1973b0d7 BW |
1075 | |
1076 | CFLAGS="$old_CFLAGS" | |
1077 | ||
40bfbde9 SL |
1078 | GIT_CONF_SUBST([PTHREAD_CFLAGS]) |
1079 | GIT_CONF_SUBST([PTHREAD_LIBS]) | |
1080 | GIT_CONF_SUBST([NO_PTHREADS]) | |
633b4239 | 1081 | |
633b4239 | 1082 | ## Output files |
ac5fc1c5 | 1083 | AC_CONFIG_FILES(["${config_file}":"${config_in}"]) |
55667714 | 1084 | AC_OUTPUT |