]>
Commit | Line | Data |
---|---|---|
55667714 JN |
1 | # -*- Autoconf -*- |
2 | # Process this file with autoconf to produce a configure script. | |
3 | ||
4 | AC_PREREQ(2.59) | |
3900145e | 5 | AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) |
55667714 JN |
6 | |
7 | AC_CONFIG_SRCDIR([git.c]) | |
8 | ||
9 | config_file=config.mak.autogen | |
d3a6db98 | 10 | config_append=config.mak.append |
55667714 JN |
11 | config_in=config.mak.in |
12 | ||
d3a6db98 JN |
13 | echo "# ${config_append}. Generated by configure." > "${config_append}" |
14 | ||
15 | ||
16 | ## Definitions of macros | |
17 | # GIT_CONF_APPEND_LINE(LINE) | |
18 | # -------------------------- | |
19 | # Append LINE to file ${config_append} | |
20 | AC_DEFUN([GIT_CONF_APPEND_LINE], | |
21 | [echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE | |
657b062d JN |
22 | # |
23 | # GIT_ARG_SET_PATH(PROGRAM) | |
24 | # ------------------------- | |
25 | # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM | |
26 | AC_DEFUN([GIT_ARG_SET_PATH], | |
27 | [AC_ARG_WITH([$1], | |
28 | [AS_HELP_STRING([--with-$1=PATH], | |
29 | [provide PATH to $1])], | |
30 | [GIT_CONF_APPEND_PATH($1)],[]) | |
31 | ])# GIT_ARG_SET_PATH | |
32 | # | |
33 | # GIT_CONF_APPEND_PATH(PROGRAM) | |
34 | # ------------------------------ | |
35 | # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH | |
36 | # Used by GIT_ARG_SET_PATH(PROGRAM) | |
37 | AC_DEFUN([GIT_CONF_APPEND_PATH], | |
38 | [PROGRAM=m4_toupper($1); \ | |
39 | if test "$withval" = "no"; then \ | |
b52b1d43 | 40 | AC_MSG_ERROR([You cannot use git without $1]); \ |
657b062d JN |
41 | else \ |
42 | if test "$withval" = "yes"; then \ | |
43 | AC_MSG_WARN([You should provide path for --with-$1=PATH]); \ | |
44 | else \ | |
e068f4f5 BW |
45 | m4_toupper($1)_PATH=$withval; \ |
46 | AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \ | |
657b062d JN |
47 | GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ |
48 | fi; \ | |
49 | fi; \ | |
50 | ]) # GIT_CONF_APPEND_PATH | |
a20b4d89 JN |
51 | # |
52 | # GIT_PARSE_WITH(PACKAGE) | |
53 | # ----------------------- | |
54 | # For use in AC_ARG_WITH action-if-found, for packages default ON. | |
55 | # * Set NO_PACKAGE=YesPlease for --without-PACKAGE | |
56 | # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH | |
57 | # * Unset NO_PACKAGE for --with-PACKAGE without ARG | |
58 | AC_DEFUN([GIT_PARSE_WITH], | |
59 | [PACKAGE=m4_toupper($1); \ | |
60 | if test "$withval" = "no"; then \ | |
61 | m4_toupper(NO_$1)=YesPlease; \ | |
62 | elif test "$withval" = "yes"; then \ | |
63 | m4_toupper(NO_$1)=; \ | |
64 | else \ | |
65 | m4_toupper(NO_$1)=; \ | |
e068f4f5 BW |
66 | m4_toupper($1)DIR=$withval; \ |
67 | AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \ | |
a20b4d89 JN |
68 | GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \ |
69 | fi \ | |
70 | ])# GIT_PARSE_WITH | |
d3a6db98 | 71 | |
1689c5de DS |
72 | dnl |
73 | dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE) | |
74 | dnl ----------------------------------------- | |
75 | dnl Similar to AC_CHECK_FUNC, but on systems that do not generate | |
76 | dnl warnings for missing prototypes (e.g. FreeBSD when compiling without | |
77 | dnl -Wall), it does not work. By looking for function definition in | |
78 | dnl libraries, this problem can be worked around. | |
79 | AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[ | |
80 | AC_SEARCH_LIBS([$1],, | |
81 | [$2],[$3]) | |
82 | ],[$3])]) | |
918c8120 BW |
83 | |
84 | dnl | |
85 | dnl GIT_STASH_FLAGS(BASEPATH_VAR) | |
86 | dnl ----------------------------- | |
87 | dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running | |
88 | dnl tests that may want to take user settings into account. | |
89 | AC_DEFUN([GIT_STASH_FLAGS],[ | |
90 | if test -n "$1"; then | |
91 | old_CPPFLAGS="$CPPFLAGS" | |
92 | old_LDFLAGS="$LDFLAGS" | |
93 | CPPFLAGS="-I$1/include $CPPFLAGS" | |
94 | LDFLAGS="-L$1/$lib $LDFLAGS" | |
95 | fi | |
96 | ]) | |
97 | ||
98 | dnl | |
99 | dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR) | |
100 | dnl ----------------------------- | |
101 | dnl Restore the stashed *FLAGS values. | |
102 | AC_DEFUN([GIT_UNSTASH_FLAGS],[ | |
103 | if test -n "$1"; then | |
104 | CPPFLAGS="$old_CPPFLAGS" | |
105 | LDFLAGS="$old_LDFLAGS" | |
106 | fi | |
107 | ]) | |
108 | ||
a20b4d89 | 109 | ## Site configuration related to programs (before tests) |
c4b1b140 JN |
110 | ## --with-PACKAGE[=ARG] and --without-PACKAGE |
111 | # | |
10861bea RS |
112 | # Set lib to alternative name of lib directory (e.g. lib64) |
113 | AC_ARG_WITH([lib], | |
114 | [AS_HELP_STRING([--with-lib=ARG], | |
115 | [ARG specifies alternative name for lib directory])], | |
3c307bfb | 116 | [if test "$withval" = "no" || test "$withval" = "yes"; then \ |
10861bea RS |
117 | AC_MSG_WARN([You should provide name for --with-lib=ARG]); \ |
118 | else \ | |
e068f4f5 BW |
119 | lib=$withval; \ |
120 | AC_MSG_NOTICE([Setting lib to '$lib']); \ | |
10861bea RS |
121 | GIT_CONF_APPEND_LINE(lib=$withval); \ |
122 | fi; \ | |
123 | ],[]) | |
e068f4f5 BW |
124 | |
125 | if test -z "$lib"; then | |
126 | AC_MSG_NOTICE([Setting lib to 'lib' (the default)]) | |
127 | lib=lib | |
128 | fi | |
08df6a30 | 129 | |
1973b0d7 BW |
130 | AC_ARG_ENABLE([pthreads], |
131 | [AS_HELP_STRING([--enable-pthreads=FLAGS], | |
132 | [FLAGS is the value to pass to the compiler to enable POSIX Threads.] | |
133 | [The default if FLAGS is not specified is to try first -pthread] | |
134 | [and then -lpthread.] | |
135 | [--without-pthreads will disable threading.])], | |
136 | [ | |
137 | if test "x$enableval" = "xyes"; then | |
138 | AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads]) | |
139 | elif test "x$enableval" != "xno"; then | |
140 | PTHREAD_CFLAGS=$enableval | |
141 | AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads]) | |
142 | else | |
143 | AC_MSG_NOTICE([POSIX Threads will be disabled.]) | |
144 | NO_PTHREADS=YesPlease | |
145 | USER_NOPTHREAD=1 | |
146 | fi], | |
147 | [ | |
148 | AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.]) | |
149 | ]) | |
150 | ||
08df6a30 BW |
151 | ## Site configuration (override autodetection) |
152 | ## --with-PACKAGE[=ARG] and --without-PACKAGE | |
153 | AC_MSG_NOTICE([CHECKS for site configuration]) | |
154 | # | |
155 | # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability | |
156 | # tests. These tests take up a significant amount of the total test time | |
157 | # but are not needed unless you plan to talk to SVN repos. | |
158 | # | |
08df6a30 BW |
159 | # Define PPC_SHA1 environment variable when running make to make use of |
160 | # a bundled SHA1 routine optimized for PowerPC. | |
161 | # | |
08df6a30 | 162 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
30ae47b4 | 163 | # This also implies BLK_SHA1. |
08df6a30 BW |
164 | # |
165 | # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in | |
166 | # /foo/bar/include and /foo/bar/lib directories. | |
167 | AC_ARG_WITH(openssl, | |
168 | AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) | |
169 | AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ | |
170 | GIT_PARSE_WITH(openssl)) | |
171 | # | |
172 | # Define NO_CURL if you do not have curl installed. git-http-pull and | |
173 | # git-http-push are not built, and you cannot use http:// and https:// | |
174 | # transports. | |
175 | # | |
176 | # Define CURLDIR=/foo/bar if your curl header and library files are in | |
177 | # /foo/bar/include and /foo/bar/lib directories. | |
178 | AC_ARG_WITH(curl, | |
179 | AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) | |
180 | AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), | |
181 | GIT_PARSE_WITH(curl)) | |
182 | # | |
183 | # Define NO_EXPAT if you do not have expat installed. git-http-push is | |
184 | # not built, and you cannot push using http:// and https:// transports. | |
185 | # | |
186 | # Define EXPATDIR=/foo/bar if your expat header and library files are in | |
187 | # /foo/bar/include and /foo/bar/lib directories. | |
188 | AC_ARG_WITH(expat, | |
189 | AS_HELP_STRING([--with-expat], | |
190 | [support git-push using http:// and https:// transports via WebDAV (default is YES)]) | |
191 | AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), | |
192 | GIT_PARSE_WITH(expat)) | |
193 | # | |
194 | # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink | |
195 | # installed in /sw, but don't want GIT to link against any libraries | |
196 | # installed there. If defined you may specify your own (or Fink's) | |
197 | # include directories and library directories by defining CFLAGS | |
198 | # and LDFLAGS appropriately. | |
199 | # | |
200 | # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, | |
201 | # have DarwinPorts installed in /opt/local, but don't want GIT to | |
202 | # link against any libraries installed there. If defined you may | |
203 | # specify your own (or DarwinPort's) include directories and | |
204 | # library directories by defining CFLAGS and LDFLAGS appropriately. | |
205 | # | |
206 | # Define NO_MMAP if you want to avoid mmap. | |
207 | # | |
208 | # Define NO_ICONV if your libc does not properly support iconv. | |
209 | AC_ARG_WITH(iconv, | |
210 | AS_HELP_STRING([--without-iconv], | |
211 | [if your architecture doesn't properly support iconv]) | |
212 | AS_HELP_STRING([--with-iconv=PATH], | |
213 | [PATH is prefix for libiconv library and headers]) | |
214 | AS_HELP_STRING([], | |
215 | [used only if you need linking with libiconv]), | |
216 | GIT_PARSE_WITH(iconv)) | |
217 | ||
218 | ## --enable-FEATURE[=ARG] and --disable-FEATURE | |
219 | # | |
220 | # Define USE_NSEC below if you want git to care about sub-second file mtimes | |
221 | # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and | |
222 | # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely | |
223 | # randomly break unless your underlying filesystem supports those sub-second | |
224 | # times (my ext3 doesn't). | |
225 | # | |
226 | # Define USE_STDEV below if you want git to care about the underlying device | |
227 | # change being considered an inode change from the update-index perspective. | |
228 | ||
10861bea | 229 | # |
465e649d JN |
230 | # Define SHELL_PATH to provide path to shell. |
231 | GIT_ARG_SET_PATH(shell) | |
232 | # | |
233 | # Define PERL_PATH to provide path to Perl. | |
234 | GIT_ARG_SET_PATH(perl) | |
235 | # | |
bef19da9 RS |
236 | # Define ZLIB_PATH to provide path to zlib. |
237 | GIT_ARG_SET_PATH(zlib) | |
238 | # | |
81b63c70 ER |
239 | # Declare the with-tcltk/without-tcltk options. |
240 | AC_ARG_WITH(tcltk, | |
241 | AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) | |
242 | AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) | |
243 | AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) | |
244 | AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\ | |
245 | GIT_PARSE_WITH(tcltk)) | |
246 | # | |
c4b1b140 JN |
247 | |
248 | ||
633b4239 | 249 | ## Checks for programs. |
fd22c027 | 250 | AC_MSG_NOTICE([CHECKS for programs]) |
f6719572 | 251 | # |
60a144f2 | 252 | AC_PROG_CC([cc gcc]) |
798a9450 | 253 | # which switch to pass runtime path to dynamic libraries to the linker |
a1a587ef | 254 | AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [ |
798a9450 GF |
255 | SAVE_LDFLAGS="${LDFLAGS}" |
256 | LDFLAGS="${SAVE_LDFLAGS} -R /" | |
a1a587ef | 257 | AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no]) |
798a9450 GF |
258 | LDFLAGS="${SAVE_LDFLAGS}" |
259 | ]) | |
a1a587ef | 260 | if test "$git_cv_ld_dashr" = "yes"; then |
798a9450 GF |
261 | AC_SUBST(CC_LD_DYNPATH, [-R]) |
262 | else | |
a1a587ef | 263 | AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [ |
798a9450 GF |
264 | SAVE_LDFLAGS="${LDFLAGS}" |
265 | LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" | |
a1a587ef | 266 | AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no]) |
50a4b352 | 267 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 268 | ]) |
a1a587ef | 269 | if test "$git_cv_ld_wl_rpath" = "yes"; then |
798a9450 GF |
270 | AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,]) |
271 | else | |
a1a587ef | 272 | AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [ |
798a9450 GF |
273 | SAVE_LDFLAGS="${LDFLAGS}" |
274 | LDFLAGS="${SAVE_LDFLAGS} -rpath /" | |
a1a587ef | 275 | AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no]) |
50a4b352 | 276 | LDFLAGS="${SAVE_LDFLAGS}" |
798a9450 | 277 | ]) |
a1a587ef | 278 | if test "$git_cv_ld_rpath" = "yes"; then |
798a9450 GF |
279 | AC_SUBST(CC_LD_DYNPATH, [-rpath]) |
280 | else | |
281 | AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) | |
282 | fi | |
283 | fi | |
284 | fi | |
fd22c027 | 285 | #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
96e24abc | 286 | AC_CHECK_TOOLS(AR, [gar ar], :) |
fd22c027 | 287 | AC_CHECK_PROGS(TAR, [gtar tar]) |
81b63c70 ER |
288 | # TCLTK_PATH will be set to some value if we want Tcl/Tk |
289 | # or will be empty otherwise. | |
290 | if test -z "$NO_TCLTK"; then | |
291 | if test "$with_tcltk" = ""; then | |
292 | # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. | |
293 | TCLTK_PATH=wish | |
294 | AC_SUBST(TCLTK_PATH) | |
295 | elif test "$with_tcltk" = "yes"; then | |
296 | # Tcl/Tk check requested. | |
297 | AC_CHECK_PROGS(TCLTK_PATH, [wish], ) | |
68daee08 | 298 | else |
81b63c70 ER |
299 | AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) |
300 | TCLTK_PATH="$with_tcltk" | |
301 | AC_SUBST(TCLTK_PATH) | |
81b63c70 ER |
302 | fi |
303 | fi | |
923db42e JN |
304 | AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) |
305 | if test -n "$ASCIIDOC"; then | |
306 | AC_MSG_CHECKING([for asciidoc version]) | |
29adc8ba | 307 | asciidoc_version=`$ASCIIDOC --version 2>/dev/null` |
923db42e JN |
308 | case "${asciidoc_version}" in |
309 | asciidoc' '8*) | |
310 | ASCIIDOC8=YesPlease | |
311 | AC_MSG_RESULT([${asciidoc_version} > 7]) | |
312 | ;; | |
313 | asciidoc' '7*) | |
314 | ASCIIDOC8= | |
315 | AC_MSG_RESULT([${asciidoc_version}]) | |
316 | ;; | |
317 | *) | |
318 | ASCIIDOC8= | |
319 | AC_MSG_RESULT([${asciidoc_version} (unknown)]) | |
320 | ;; | |
321 | esac | |
322 | fi | |
323 | AC_SUBST(ASCIIDOC8) | |
324 | ||
633b4239 JN |
325 | |
326 | ## Checks for libraries. | |
ebdf5321 | 327 | AC_MSG_NOTICE([CHECKS for libraries]) |
f6719572 | 328 | # |
633b4239 | 329 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
ebdf5321 | 330 | # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
310386f0 BW |
331 | |
332 | GIT_STASH_FLAGS($OPENSSLDIR) | |
333 | ||
d5c31a1c | 334 | AC_CHECK_LIB([crypto], [SHA1_Init], |
424adc50 | 335 | [NEEDS_SSL_WITH_CRYPTO=], |
3068f6c4 | 336 | [AC_CHECK_LIB([ssl], [SHA1_Init], |
0ad8ff2c BC |
337 | [NEEDS_SSL_WITH_CRYPTO=YesPlease], |
338 | [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])]) | |
310386f0 BW |
339 | |
340 | GIT_UNSTASH_FLAGS($OPENSSLDIR) | |
341 | ||
424adc50 JN |
342 | AC_SUBST(NEEDS_SSL_WITH_CRYPTO) |
343 | AC_SUBST(NO_OPENSSL) | |
310386f0 | 344 | |
f6719572 | 345 | # |
8da1e212 | 346 | # Define NO_CURL if you do not have libcurl installed. git-http-pull and |
633b4239 JN |
347 | # git-http-push are not built, and you cannot use http:// and https:// |
348 | # transports. | |
310386f0 BW |
349 | |
350 | GIT_STASH_FLAGS($CURLDIR) | |
351 | ||
d5c31a1c | 352 | AC_CHECK_LIB([curl], [curl_global_init], |
424adc50 JN |
353 | [NO_CURL=], |
354 | [NO_CURL=YesPlease]) | |
310386f0 BW |
355 | |
356 | GIT_UNSTASH_FLAGS($CURLDIR) | |
357 | ||
424adc50 | 358 | AC_SUBST(NO_CURL) |
310386f0 | 359 | |
f6719572 | 360 | # |
633b4239 JN |
361 | # Define NO_EXPAT if you do not have expat installed. git-http-push is |
362 | # not built, and you cannot push using http:// and https:// transports. | |
310386f0 BW |
363 | |
364 | GIT_STASH_FLAGS($EXPATDIR) | |
365 | ||
d5c31a1c | 366 | AC_CHECK_LIB([expat], [XML_ParserCreate], |
424adc50 JN |
367 | [NO_EXPAT=], |
368 | [NO_EXPAT=YesPlease]) | |
310386f0 BW |
369 | |
370 | GIT_UNSTASH_FLAGS($EXPATDIR) | |
371 | ||
424adc50 | 372 | AC_SUBST(NO_EXPAT) |
310386f0 | 373 | |
f6719572 | 374 | # |
e63ccb84 FK |
375 | # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
376 | # some Solaris installations). | |
6ff88de7 | 377 | # Define NO_ICONV if neither libc nor libiconv support iconv. |
310386f0 | 378 | |
934f82a7 MN |
379 | if test -z "$NO_ICONV"; then |
380 | ||
310386f0 BW |
381 | GIT_STASH_FLAGS($ICONVDIR) |
382 | ||
e63ccb84 FK |
383 | AC_DEFUN([ICONVTEST_SRC], [ |
384 | #include <iconv.h> | |
385 | ||
386 | int main(void) | |
387 | { | |
388 | iconv_open("", ""); | |
389 | return 0; | |
390 | } | |
391 | ]) | |
a8304f7a BW |
392 | |
393 | if test -n "$ICONVDIR"; then | |
394 | lib_order="-liconv -lc" | |
395 | else | |
396 | lib_order="-lc -liconv" | |
397 | fi | |
398 | ||
399 | NO_ICONV=YesPlease | |
400 | ||
401 | for l in $lib_order; do | |
402 | if test "$l" = "-liconv"; then | |
403 | NEEDS_LIBICONV=YesPlease | |
404 | else | |
405 | NEEDS_LIBICONV= | |
406 | fi | |
407 | ||
408 | old_LIBS="$LIBS" | |
409 | LIBS="$LIBS $l" | |
410 | AC_MSG_CHECKING([for iconv in $l]) | |
411 | AC_LINK_IFELSE(ICONVTEST_SRC, | |
e63ccb84 | 412 | [AC_MSG_RESULT([yes]) |
a8304f7a BW |
413 | NO_ICONV= |
414 | break], | |
415 | [AC_MSG_RESULT([no])]) | |
416 | LIBS="$old_LIBS" | |
417 | done | |
418 | ||
419 | #in case of break | |
420 | LIBS="$old_LIBS" | |
310386f0 BW |
421 | |
422 | GIT_UNSTASH_FLAGS($ICONVDIR) | |
423 | ||
424adc50 | 424 | AC_SUBST(NEEDS_LIBICONV) |
baf1219a | 425 | AC_SUBST(NO_ICONV) |
310386f0 | 426 | |
934f82a7 MN |
427 | if test -n "$NO_ICONV"; then |
428 | NEEDS_LIBICONV= | |
429 | fi | |
430 | ||
431 | fi | |
432 | ||
f6719572 | 433 | # |
609a2289 | 434 | # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. |
310386f0 BW |
435 | |
436 | GIT_STASH_FLAGS($ZLIB_PATH) | |
437 | ||
609a2289 DS |
438 | AC_DEFUN([ZLIBTEST_SRC], [ |
439 | #include <zlib.h> | |
440 | ||
441 | int main(void) | |
442 | { | |
443 | deflateBound(0, 0); | |
444 | return 0; | |
445 | } | |
446 | ]) | |
447 | AC_MSG_CHECKING([for deflateBound in -lz]) | |
448 | old_LIBS="$LIBS" | |
449 | LIBS="$LIBS -lz" | |
450 | AC_LINK_IFELSE(ZLIBTEST_SRC, | |
451 | [AC_MSG_RESULT([yes])], | |
452 | [AC_MSG_RESULT([no]) | |
453 | NO_DEFLATE_BOUND=yes]) | |
454 | LIBS="$old_LIBS" | |
310386f0 BW |
455 | |
456 | GIT_UNSTASH_FLAGS($ZLIB_PATH) | |
457 | ||
609a2289 | 458 | AC_SUBST(NO_DEFLATE_BOUND) |
310386f0 | 459 | |
609a2289 | 460 | # |
633b4239 JN |
461 | # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
462 | # Patrick Mauritz). | |
d5c31a1c | 463 | AC_CHECK_LIB([c], [socket], |
424adc50 JN |
464 | [NEEDS_SOCKET=], |
465 | [NEEDS_SOCKET=YesPlease]) | |
466 | AC_SUBST(NEEDS_SOCKET) | |
d1b9944d | 467 | test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
633b4239 | 468 | |
8fccb009 RW |
469 | # |
470 | # Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough. | |
471 | # Notably on Solaris hstrerror resides in libresolv and on Solaris 7 | |
472 | # inet_ntop and inet_pton additionally reside there. | |
a1142892 | 473 | AC_CHECK_LIB([c], [hstrerror], |
8fccb009 RW |
474 | [NEEDS_RESOLV=], |
475 | [NEEDS_RESOLV=YesPlease]) | |
476 | AC_SUBST(NEEDS_RESOLV) | |
477 | test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv" | |
633b4239 | 478 | |
a1142892 | 479 | AC_CHECK_LIB([c], [basename], |
ecc395c1 BC |
480 | [NEEDS_LIBGEN=], |
481 | [NEEDS_LIBGEN=YesPlease]) | |
482 | AC_SUBST(NEEDS_LIBGEN) | |
483 | test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" | |
484 | ||
633b4239 | 485 | ## Checks for header files. |
0f7a9c9b JN |
486 | AC_MSG_NOTICE([CHECKS for header files]) |
487 | # | |
3cf32374 JN |
488 | # Define NO_SYS_SELECT_H if you don't have sys/select.h. |
489 | AC_CHECK_HEADER([sys/select.h], | |
490 | [NO_SYS_SELECT_H=], | |
491 | [NO_SYS_SELECT_H=UnfortunatelyYes]) | |
492 | AC_SUBST(NO_SYS_SELECT_H) | |
493 | # | |
0f7a9c9b JN |
494 | # Define OLD_ICONV if your library has an old iconv(), where the second |
495 | # (input buffer pointer) parameter is declared with type (const char **). | |
496 | AC_DEFUN([OLDICONVTEST_SRC], [[ | |
497 | #include <iconv.h> | |
498 | ||
499 | extern size_t iconv(iconv_t cd, | |
500 | char **inbuf, size_t *inbytesleft, | |
501 | char **outbuf, size_t *outbytesleft); | |
502 | ||
503 | int main(void) | |
504 | { | |
505 | return 0; | |
506 | } | |
507 | ]]) | |
a8304f7a BW |
508 | |
509 | GIT_STASH_FLAGS($ICONVDIR) | |
510 | ||
0f7a9c9b JN |
511 | AC_MSG_CHECKING([for old iconv()]) |
512 | AC_COMPILE_IFELSE(OLDICONVTEST_SRC, | |
513 | [AC_MSG_RESULT([no])], | |
514 | [AC_MSG_RESULT([yes]) | |
515 | OLD_ICONV=UnfortunatelyYes]) | |
633b4239 | 516 | |
a8304f7a BW |
517 | GIT_UNSTASH_FLAGS($ICONVDIR) |
518 | ||
519 | AC_SUBST(OLD_ICONV) | |
633b4239 JN |
520 | |
521 | ## Checks for typedefs, structures, and compiler characteristics. | |
eb0f255d | 522 | AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
f6719572 | 523 | # |
633b4239 | 524 | # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. |
d5c31a1c | 525 | AC_CHECK_MEMBER(struct dirent.d_ino, |
424adc50 JN |
526 | [NO_D_INO_IN_DIRENT=], |
527 | [NO_D_INO_IN_DIRENT=YesPlease], | |
eb0f255d | 528 | [#include <dirent.h>]) |
424adc50 | 529 | AC_SUBST(NO_D_INO_IN_DIRENT) |
f6719572 | 530 | # |
633b4239 JN |
531 | # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
532 | # d_type in struct dirent (latest Cygwin -- will be fixed soonish). | |
d5c31a1c | 533 | AC_CHECK_MEMBER(struct dirent.d_type, |
424adc50 JN |
534 | [NO_D_TYPE_IN_DIRENT=], |
535 | [NO_D_TYPE_IN_DIRENT=YesPlease], | |
eb0f255d | 536 | [#include <dirent.h>]) |
424adc50 | 537 | AC_SUBST(NO_D_TYPE_IN_DIRENT) |
f6719572 | 538 | # |
633b4239 JN |
539 | # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
540 | # sockaddr_storage. | |
d5c31a1c | 541 | AC_CHECK_TYPE(struct sockaddr_storage, |
424adc50 | 542 | [NO_SOCKADDR_STORAGE=], |
ab5573ae DS |
543 | [NO_SOCKADDR_STORAGE=YesPlease],[ |
544 | #include <sys/types.h> | |
545 | #include <sys/socket.h> | |
546 | ]) | |
424adc50 JN |
547 | AC_SUBST(NO_SOCKADDR_STORAGE) |
548 | # | |
8c6ab35e JH |
549 | # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
550 | AC_CHECK_TYPE([struct addrinfo],[ | |
1689c5de | 551 | GIT_CHECK_FUNC([getaddrinfo], |
424adc50 JN |
552 | [NO_IPV6=], |
553 | [NO_IPV6=YesPlease]) | |
554 | ],[NO_IPV6=YesPlease],[ | |
8c6ab35e JH |
555 | #include <sys/types.h> |
556 | #include <sys/socket.h> | |
557 | #include <netdb.h> | |
558 | ]) | |
424adc50 | 559 | AC_SUBST(NO_IPV6) |
656517b9 JN |
560 | # |
561 | # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) | |
562 | # do not support the 'size specifiers' introduced by C99, namely ll, hh, | |
563 | # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). | |
564 | # some C compilers supported these specifiers prior to C99 as an extension. | |
f685d07d JN |
565 | AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], |
566 | [ac_cv_c_c99_format], | |
656517b9 JN |
567 | [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c |
568 | AC_RUN_IFELSE( | |
569 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
570 | [[char buf[64]; | |
571 | if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) | |
3c307bfb | 572 | return 1; |
656517b9 | 573 | else if (strcmp(buf, "12345")) |
3c307bfb | 574 | return 2;]])], |
656517b9 JN |
575 | [ac_cv_c_c99_format=yes], |
576 | [ac_cv_c_c99_format=no]) | |
577 | ]) | |
578 | if test $ac_cv_c_c99_format = no; then | |
424adc50 | 579 | NO_C99_FORMAT=YesPlease |
d5c31a1c | 580 | else |
424adc50 | 581 | NO_C99_FORMAT= |
656517b9 | 582 | fi |
424adc50 | 583 | AC_SUBST(NO_C99_FORMAT) |
c4582f93 | 584 | # |
8ce1f243 MR |
585 | # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds |
586 | # when attempting to read from an fopen'ed directory. | |
587 | AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], | |
588 | [ac_cv_fread_reads_directories], | |
589 | [ | |
590 | AC_RUN_IFELSE( | |
591 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
592 | [[char c; | |
593 | FILE *f = fopen(".", "r"); | |
594 | return f && fread(&c, 1, 1, f)]])], | |
595 | [ac_cv_fread_reads_directories=no], | |
596 | [ac_cv_fread_reads_directories=yes]) | |
597 | ]) | |
598 | if test $ac_cv_fread_reads_directories = yes; then | |
599 | FREAD_READS_DIRECTORIES=UnfortunatelyYes | |
600 | else | |
601 | FREAD_READS_DIRECTORIES= | |
602 | fi | |
603 | AC_SUBST(FREAD_READS_DIRECTORIES) | |
604 | # | |
c4582f93 MR |
605 | # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() |
606 | # or vsnprintf() return -1 instead of number of characters which would | |
607 | # have been written to the final string if enough space had been available. | |
608 | AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value], | |
609 | [ac_cv_snprintf_returns_bogus], | |
610 | [ | |
611 | AC_RUN_IFELSE( | |
612 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT | |
613 | #include "stdarg.h" | |
614 | ||
615 | int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) | |
616 | { | |
617 | int ret; | |
618 | va_list ap; | |
619 | va_start(ap, format); | |
620 | ret = vsnprintf(str, maxsize, format, ap); | |
621 | va_end(ap); | |
622 | return ret; | |
623 | }], | |
624 | [[char buf[6]; | |
625 | if (test_vsnprintf(buf, 3, "%s", "12345") != 5 | |
626 | || strcmp(buf, "12")) return 1; | |
627 | if (snprintf(buf, 3, "%s", "12345") != 5 | |
628 | || strcmp(buf, "12")) return 1]])], | |
629 | [ac_cv_snprintf_returns_bogus=no], | |
630 | [ac_cv_snprintf_returns_bogus=yes]) | |
631 | ]) | |
632 | if test $ac_cv_snprintf_returns_bogus = yes; then | |
633 | SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes | |
634 | else | |
635 | SNPRINTF_RETURNS_BOGUS= | |
636 | fi | |
637 | AC_SUBST(SNPRINTF_RETURNS_BOGUS) | |
633b4239 | 638 | |
a20b4d89 | 639 | |
633b4239 | 640 | ## Checks for library functions. |
1bbbadbc JN |
641 | ## (in default C library and libraries checked by AC_CHECK_LIB) |
642 | AC_MSG_NOTICE([CHECKS for library functions]) | |
f6719572 | 643 | # |
e1c06886 DA |
644 | # Define NO_LIBGEN_H if you don't have libgen.h. |
645 | AC_CHECK_HEADER([libgen.h], | |
646 | [NO_LIBGEN_H=], | |
647 | [NO_LIBGEN_H=YesPlease]) | |
648 | AC_SUBST(NO_LIBGEN_H) | |
649 | # | |
633b4239 | 650 | # Define NO_STRCASESTR if you don't have strcasestr. |
1689c5de | 651 | GIT_CHECK_FUNC(strcasestr, |
424adc50 JN |
652 | [NO_STRCASESTR=], |
653 | [NO_STRCASESTR=YesPlease]) | |
654 | AC_SUBST(NO_STRCASESTR) | |
f6719572 | 655 | # |
24397556 | 656 | # Define NO_MEMMEM if you don't have memmem. |
1689c5de | 657 | GIT_CHECK_FUNC(memmem, |
24397556 JN |
658 | [NO_MEMMEM=], |
659 | [NO_MEMMEM=YesPlease]) | |
660 | AC_SUBST(NO_MEMMEM) | |
661 | # | |
633b4239 | 662 | # Define NO_STRLCPY if you don't have strlcpy. |
1689c5de | 663 | GIT_CHECK_FUNC(strlcpy, |
424adc50 JN |
664 | [NO_STRLCPY=], |
665 | [NO_STRLCPY=YesPlease]) | |
666 | AC_SUBST(NO_STRLCPY) | |
f6719572 | 667 | # |
0bc3e781 DS |
668 | # Define NO_UINTMAX_T if your platform does not have uintmax_t |
669 | AC_CHECK_TYPE(uintmax_t, | |
670 | [NO_UINTMAX_T=], | |
671 | [NO_UINTMAX_T=YesPlease],[ | |
672 | #include <inttypes.h> | |
673 | ]) | |
674 | AC_SUBST(NO_UINTMAX_T) | |
675 | # | |
24397556 | 676 | # Define NO_STRTOUMAX if you don't have strtoumax in the C library. |
1689c5de | 677 | GIT_CHECK_FUNC(strtoumax, |
24397556 JN |
678 | [NO_STRTOUMAX=], |
679 | [NO_STRTOUMAX=YesPlease]) | |
680 | AC_SUBST(NO_STRTOUMAX) | |
681 | # | |
633b4239 | 682 | # Define NO_SETENV if you don't have setenv in the C library. |
1689c5de | 683 | GIT_CHECK_FUNC(setenv, |
424adc50 JN |
684 | [NO_SETENV=], |
685 | [NO_SETENV=YesPlease]) | |
686 | AC_SUBST(NO_SETENV) | |
f6719572 | 687 | # |
bfa8fccf | 688 | # Define NO_UNSETENV if you don't have unsetenv in the C library. |
1689c5de | 689 | GIT_CHECK_FUNC(unsetenv, |
bfa8fccf JN |
690 | [NO_UNSETENV=], |
691 | [NO_UNSETENV=YesPlease]) | |
692 | AC_SUBST(NO_UNSETENV) | |
693 | # | |
24397556 | 694 | # Define NO_MKDTEMP if you don't have mkdtemp in the C library. |
1689c5de | 695 | GIT_CHECK_FUNC(mkdtemp, |
24397556 JN |
696 | [NO_MKDTEMP=], |
697 | [NO_MKDTEMP=YesPlease]) | |
698 | AC_SUBST(NO_MKDTEMP) | |
699 | # | |
0620b39b DA |
700 | # Define NO_MKSTEMPS if you don't have mkstemps in the C library. |
701 | GIT_CHECK_FUNC(mkstemps, | |
702 | [NO_MKSTEMPS=], | |
703 | [NO_MKSTEMPS=YesPlease]) | |
704 | AC_SUBST(NO_MKSTEMPS) | |
705 | # | |
706 | # | |
633b4239 JN |
707 | # Define NO_MMAP if you want to avoid mmap. |
708 | # | |
633b4239 JN |
709 | # Define NO_ICONV if your libc does not properly support iconv. |
710 | ||
711 | ||
712 | ## Other checks. | |
713 | # Define USE_PIC if you need the main git objects to be built with -fPIC | |
714 | # in order to build and link perl/Git.so. x86-64 seems to need this. | |
715 | # | |
716 | # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. | |
717 | # Enable it on Windows. By default, symrefs are still used. | |
20f7a398 | 718 | # |
46059cc6 JH |
719 | # Define NO_PTHREADS if we do not have pthreads |
720 | # | |
d937c374 DS |
721 | # Define PTHREAD_LIBS to the linker flag used for Pthread support and define |
722 | # THREADED_DELTA_SEARCH if Pthreads are available. | |
1973b0d7 BW |
723 | AC_DEFUN([PTHREADTEST_SRC], [ |
724 | #include <pthread.h> | |
725 | ||
726 | int main(void) | |
727 | { | |
728 | pthread_mutex_t test_mutex; | |
729 | return (0); | |
730 | } | |
731 | ]) | |
732 | ||
733 | dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM( | |
734 | dnl [[#include <pthread.h>]], | |
735 | dnl [[pthread_mutex_t test_mutex;]] | |
736 | dnl )]) | |
737 | ||
738 | NO_PTHREADS=UnfortunatelyYes | |
739 | THREADED_DELTA_SEARCH= | |
740 | PTHREAD_LIBS= | |
741 | ||
742 | if test -n "$USER_NOPTHREAD"; then | |
743 | AC_MSG_NOTICE([Skipping POSIX Threads at user request.]) | |
744 | # handle these separately since PTHREAD_CFLAGS could be '-lpthreads | |
745 | # -D_REENTRANT' or some such. | |
746 | elif test -z "$PTHREAD_CFLAGS"; then | |
747 | for opt in -pthread -lpthread; do | |
748 | old_CFLAGS="$CFLAGS" | |
749 | CFLAGS="$opt $CFLAGS" | |
750 | AC_MSG_CHECKING([Checking for POSIX Threads with '$opt']) | |
751 | AC_LINK_IFELSE(PTHREADTEST_SRC, | |
752 | [AC_MSG_RESULT([yes]) | |
753 | NO_PTHREADS= | |
754 | PTHREAD_LIBS="$opt" | |
755 | THREADED_DELTA_SEARCH=YesPlease | |
756 | break | |
757 | ], | |
758 | [AC_MSG_RESULT([no])]) | |
759 | CFLAGS="$old_CFLAGS" | |
760 | done | |
20f7a398 | 761 | else |
1973b0d7 BW |
762 | old_CFLAGS="$CFLAGS" |
763 | CFLAGS="$PTHREAD_CFLAGS $CFLAGS" | |
764 | AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS']) | |
765 | AC_LINK_IFELSE(PTHREADTEST_SRC, | |
766 | [AC_MSG_RESULT([yes]) | |
767 | NO_PTHREADS= | |
768 | PTHREAD_LIBS="$PTHREAD_CFLAGS" | |
769 | THREADED_DELTA_SEARCH=YesPlease | |
770 | ], | |
771 | [AC_MSG_RESULT([no])]) | |
772 | ||
773 | CFLAGS="$old_CFLAGS" | |
20f7a398 | 774 | fi |
1973b0d7 BW |
775 | |
776 | CFLAGS="$old_CFLAGS" | |
777 | ||
20f7a398 | 778 | AC_SUBST(PTHREAD_LIBS) |
46059cc6 | 779 | AC_SUBST(NO_PTHREADS) |
d937c374 | 780 | AC_SUBST(THREADED_DELTA_SEARCH) |
633b4239 | 781 | |
633b4239 | 782 | ## Output files |
d3a6db98 | 783 | AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) |
55667714 | 784 | AC_OUTPUT |
d3a6db98 | 785 | |
f6719572 | 786 | |
d3a6db98 JN |
787 | ## Cleanup |
788 | rm -f "${config_append}" |