| blob | 27bab00a454c1a29946bbbc0a573ae83f83ee07f |
1 # -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
4 AC_PREREQ(2.59)
5 AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
7 AC_CONFIG_SRCDIR([git.c])
9 config_file=config.mak.autogen
10 config_append=config.mak.append
11 config_in=config.mak.in
13 echo "# ${config_append}. Generated by configure." > "${config_append}"
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
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 \
40 AC_MSG_ERROR([You cannot use git without $1]); \
41 else \
42 if test "$withval" = "yes"; then \
43 AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
44 else \
45 GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
46 fi; \
47 fi; \
48 ]) # GIT_CONF_APPEND_PATH
49 #
50 # GIT_PARSE_WITH(PACKAGE)
51 # -----------------------
52 # For use in AC_ARG_WITH action-if-found, for packages default ON.
53 # * Set NO_PACKAGE=YesPlease for --without-PACKAGE
54 # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
55 # * Unset NO_PACKAGE for --with-PACKAGE without ARG
56 AC_DEFUN([GIT_PARSE_WITH],
57 [PACKAGE=m4_toupper($1); \
58 if test "$withval" = "no"; then \
59 m4_toupper(NO_$1)=YesPlease; \
60 elif test "$withval" = "yes"; then \
61 m4_toupper(NO_$1)=; \
62 else \
63 m4_toupper(NO_$1)=; \
64 GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
65 fi \
66 ])# GIT_PARSE_WITH
69 ## Site configuration related to programs (before tests)
70 ## --with-PACKAGE[=ARG] and --without-PACKAGE
71 #
72 # Set lib to alternative name of lib directory (e.g. lib64)
73 AC_ARG_WITH([lib],
74 [AS_HELP_STRING([--with-lib=ARG],
75 [ARG specifies alternative name for lib directory])],
76 [if test "$withval" = "no" || test "$withval" = "yes"; then \
77 AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
78 else \
79 GIT_CONF_APPEND_LINE(lib=$withval); \
80 fi; \
81 ],[])
82 #
83 # Define SHELL_PATH to provide path to shell.
84 GIT_ARG_SET_PATH(shell)
85 #
86 # Define PERL_PATH to provide path to Perl.
87 GIT_ARG_SET_PATH(perl)
88 #
89 # Define ZLIB_PATH to provide path to zlib.
90 GIT_ARG_SET_PATH(zlib)
91 #
92 # Declare the with-tcltk/without-tcltk options.
93 AC_ARG_WITH(tcltk,
94 AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
95 AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
96 AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
97 AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
98 GIT_PARSE_WITH(tcltk))
99 #
102 ## Checks for programs.
103 AC_MSG_NOTICE([CHECKS for programs])
104 #
105 AC_PROG_CC([cc gcc])
106 # which switch to pass runtime path to dynamic libraries to the linker
107 AC_CACHE_CHECK([if linker supports -R], ld_dashr, [
108 SAVE_LDFLAGS="${LDFLAGS}"
109 LDFLAGS="${SAVE_LDFLAGS} -R /"
110 AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_dashr=yes], [ld_dashr=no])
111 LDFLAGS="${SAVE_LDFLAGS}"
112 ])
113 if test "$ld_dashr" = "yes"; then
114 AC_SUBST(CC_LD_DYNPATH, [-R])
115 else
116 AC_CACHE_CHECK([if linker supports -Wl,-rpath,], ld_wl_rpath, [
117 SAVE_LDFLAGS="${LDFLAGS}"
118 LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
119 AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_wl_rpath=yes], [ld_wl_rpath=no])
120 LDFLAGS="${SAVE_LD_FLAGS}"
121 ])
122 if test "$ld_wl_rpath" = "yes"; then
123 AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
124 else
125 AC_CACHE_CHECK([if linker supports -rpath], ld_rpath, [
126 SAVE_LDFLAGS="${LDFLAGS}"
127 LDFLAGS="${SAVE_LDFLAGS} -rpath /"
128 AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_rpath=yes], [ld_rpath=no])
129 LDFLAGS="${SAVE_LD_FLAGS}"
130 ])
131 if test "$ld_rpath" = "yes"; then
132 AC_SUBST(CC_LD_DYNPATH, [-rpath])
133 else
134 AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
135 fi
136 fi
137 fi
138 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
139 AC_CHECK_TOOLS(AR, [gar ar], :)
140 AC_CHECK_PROGS(TAR, [gtar tar])
141 # TCLTK_PATH will be set to some value if we want Tcl/Tk
142 # or will be empty otherwise.
143 if test -z "$NO_TCLTK"; then
144 if test "$with_tcltk" = ""; then
145 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
146 TCLTK_PATH=wish
147 AC_SUBST(TCLTK_PATH)
148 elif test "$with_tcltk" = "yes"; then
149 # Tcl/Tk check requested.
150 AC_CHECK_PROGS(TCLTK_PATH, [wish], )
151 else
152 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
153 TCLTK_PATH="$with_tcltk"
154 AC_SUBST(TCLTK_PATH)
155 fi
156 fi
157 AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
158 if test -n "$ASCIIDOC"; then
159 AC_MSG_CHECKING([for asciidoc version])
160 asciidoc_version=`$ASCIIDOC --version 2>&1`
161 case "${asciidoc_version}" in
162 asciidoc' '8*)
163 ASCIIDOC8=YesPlease
164 AC_MSG_RESULT([${asciidoc_version} > 7])
165 ;;
166 asciidoc' '7*)
167 ASCIIDOC8=
168 AC_MSG_RESULT([${asciidoc_version}])
169 ;;
170 *)
171 ASCIIDOC8=
172 AC_MSG_RESULT([${asciidoc_version} (unknown)])
173 ;;
174 esac
175 fi
176 AC_SUBST(ASCIIDOC8)
179 ## Checks for libraries.
180 AC_MSG_NOTICE([CHECKS for libraries])
181 #
182 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
183 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
184 AC_CHECK_LIB([crypto], [SHA1_Init],
185 [NEEDS_SSL_WITH_CRYPTO=],
186 [AC_CHECK_LIB([ssl], [SHA1_Init],
187 [NEEDS_SSL_WITH_CRYPTO=YesPlease
188 NEEDS_SSL_WITH_CRYPTO=],
189 [NO_OPENSSL=YesPlease])])
190 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
191 AC_SUBST(NO_OPENSSL)
192 #
193 # Define NO_CURL if you do not have libcurl installed. git-http-pull and
194 # git-http-push are not built, and you cannot use http:// and https://
195 # transports.
196 AC_CHECK_LIB([curl], [curl_global_init],
197 [NO_CURL=],
198 [NO_CURL=YesPlease])
199 AC_SUBST(NO_CURL)
200 #
201 # Define NO_EXPAT if you do not have expat installed. git-http-push is
202 # not built, and you cannot push using http:// and https:// transports.
203 AC_CHECK_LIB([expat], [XML_ParserCreate],
204 [NO_EXPAT=],
205 [NO_EXPAT=YesPlease])
206 AC_SUBST(NO_EXPAT)
207 #
208 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
209 # some Solaris installations).
210 # Define NO_ICONV if neither libc nor libiconv support iconv.
211 AC_DEFUN([ICONVTEST_SRC], [
212 #include <iconv.h>
214 int main(void)
215 {
216 iconv_open("", "");
217 return 0;
218 }
219 ])
220 AC_MSG_CHECKING([for iconv in -lc])
221 AC_LINK_IFELSE(ICONVTEST_SRC,
222 [AC_MSG_RESULT([yes])
223 NEEDS_LIBICONV=],
224 [AC_MSG_RESULT([no])
225 old_LIBS="$LIBS"
226 LIBS="$LIBS -liconv"
227 AC_MSG_CHECKING([for iconv in -liconv])
228 AC_LINK_IFELSE(ICONVTEST_SRC,
229 [AC_MSG_RESULT([yes])
230 NEEDS_LIBICONV=YesPlease],
231 [AC_MSG_RESULT([no])
232 NO_ICONV=YesPlease])
233 LIBS="$old_LIBS"])
234 AC_SUBST(NEEDS_LIBICONV)
235 AC_SUBST(NO_ICONV)
236 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
237 #
238 # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
239 AC_DEFUN([ZLIBTEST_SRC], [
240 #include <zlib.h>
242 int main(void)
243 {
244 deflateBound(0, 0);
245 return 0;
246 }
247 ])
248 AC_MSG_CHECKING([for deflateBound in -lz])
249 old_LIBS="$LIBS"
250 LIBS="$LIBS -lz"
251 AC_LINK_IFELSE(ZLIBTEST_SRC,
252 [AC_MSG_RESULT([yes])],
253 [AC_MSG_RESULT([no])
254 NO_DEFLATE_BOUND=yes])
255 LIBS="$old_LIBS"
256 AC_SUBST(NO_DEFLATE_BOUND)
257 #
258 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
259 # Patrick Mauritz).
260 AC_CHECK_LIB([c], [socket],
261 [NEEDS_SOCKET=],
262 [NEEDS_SOCKET=YesPlease])
263 AC_SUBST(NEEDS_SOCKET)
264 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
267 ## Checks for header files.
268 AC_MSG_NOTICE([CHECKS for header files])
269 #
270 # Define NO_SYS_SELECT_H if you don't have sys/select.h.
271 AC_CHECK_HEADER([sys/select.h],
272 [NO_SYS_SELECT_H=],
273 [NO_SYS_SELECT_H=UnfortunatelyYes])
274 AC_SUBST(NO_SYS_SELECT_H)
275 #
276 # Define OLD_ICONV if your library has an old iconv(), where the second
277 # (input buffer pointer) parameter is declared with type (const char **).
278 AC_DEFUN([OLDICONVTEST_SRC], [[
279 #include <iconv.h>
281 extern size_t iconv(iconv_t cd,
282 char **inbuf, size_t *inbytesleft,
283 char **outbuf, size_t *outbytesleft);
285 int main(void)
286 {
287 return 0;
288 }
289 ]])
290 AC_MSG_CHECKING([for old iconv()])
291 AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
292 [AC_MSG_RESULT([no])],
293 [AC_MSG_RESULT([yes])
294 OLD_ICONV=UnfortunatelyYes])
295 AC_SUBST(OLD_ICONV)
298 ## Checks for typedefs, structures, and compiler characteristics.
299 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
300 #
301 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
302 AC_CHECK_MEMBER(struct dirent.d_ino,
303 [NO_D_INO_IN_DIRENT=],
304 [NO_D_INO_IN_DIRENT=YesPlease],
305 [#include <dirent.h>])
306 AC_SUBST(NO_D_INO_IN_DIRENT)
307 #
308 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
309 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
310 AC_CHECK_MEMBER(struct dirent.d_type,
311 [NO_D_TYPE_IN_DIRENT=],
312 [NO_D_TYPE_IN_DIRENT=YesPlease],
313 [#include <dirent.h>])
314 AC_SUBST(NO_D_TYPE_IN_DIRENT)
315 #
316 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
317 # sockaddr_storage.
318 AC_CHECK_TYPE(struct sockaddr_storage,
319 [NO_SOCKADDR_STORAGE=],
320 [NO_SOCKADDR_STORAGE=YesPlease],[
321 #include <sys/types.h>
322 #include <sys/socket.h>
323 ])
324 AC_SUBST(NO_SOCKADDR_STORAGE)
325 #
326 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
327 AC_CHECK_TYPE([struct addrinfo],[
328 AC_CHECK_FUNC([getaddrinfo],
329 [NO_IPV6=],
330 [NO_IPV6=YesPlease])
331 ],[NO_IPV6=YesPlease],[
332 #include <sys/types.h>
333 #include <sys/socket.h>
334 #include <netdb.h>
335 ])
336 AC_SUBST(NO_IPV6)
337 #
338 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
339 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
340 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
341 # some C compilers supported these specifiers prior to C99 as an extension.
342 AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
343 [ac_cv_c_c99_format],
344 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
345 AC_RUN_IFELSE(
346 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
347 [[char buf[64];
348 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
349 return 1;
350 else if (strcmp(buf, "12345"))
351 return 2;]])],
352 [ac_cv_c_c99_format=yes],
353 [ac_cv_c_c99_format=no])
354 ])
355 if test $ac_cv_c_c99_format = no; then
356 NO_C99_FORMAT=YesPlease
357 else
358 NO_C99_FORMAT=
359 fi
360 AC_SUBST(NO_C99_FORMAT)
361 #
362 # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
363 # when attempting to read from an fopen'ed directory.
364 AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
365 [ac_cv_fread_reads_directories],
366 [
367 AC_RUN_IFELSE(
368 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
369 [[char c;
370 FILE *f = fopen(".", "r");
371 return f && fread(&c, 1, 1, f)]])],
372 [ac_cv_fread_reads_directories=no],
373 [ac_cv_fread_reads_directories=yes])
374 ])
375 if test $ac_cv_fread_reads_directories = yes; then
376 FREAD_READS_DIRECTORIES=UnfortunatelyYes
377 else
378 FREAD_READS_DIRECTORIES=
379 fi
380 AC_SUBST(FREAD_READS_DIRECTORIES)
381 #
382 # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
383 # or vsnprintf() return -1 instead of number of characters which would
384 # have been written to the final string if enough space had been available.
385 AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
386 [ac_cv_snprintf_returns_bogus],
387 [
388 AC_RUN_IFELSE(
389 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
390 #include "stdarg.h"
392 int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
393 {
394 int ret;
395 va_list ap;
396 va_start(ap, format);
397 ret = vsnprintf(str, maxsize, format, ap);
398 va_end(ap);
399 return ret;
400 }],
401 [[char buf[6];
402 if (test_vsnprintf(buf, 3, "%s", "12345") != 5
403 || strcmp(buf, "12")) return 1;
404 if (snprintf(buf, 3, "%s", "12345") != 5
405 || strcmp(buf, "12")) return 1]])],
406 [ac_cv_snprintf_returns_bogus=no],
407 [ac_cv_snprintf_returns_bogus=yes])
408 ])
409 if test $ac_cv_snprintf_returns_bogus = yes; then
410 SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
411 else
412 SNPRINTF_RETURNS_BOGUS=
413 fi
414 AC_SUBST(SNPRINTF_RETURNS_BOGUS)
417 ## Checks for library functions.
418 ## (in default C library and libraries checked by AC_CHECK_LIB)
419 AC_MSG_NOTICE([CHECKS for library functions])
420 #
421 # Define NO_STRCASESTR if you don't have strcasestr.
422 AC_CHECK_FUNC(strcasestr,
423 [NO_STRCASESTR=],
424 [NO_STRCASESTR=YesPlease])
425 AC_SUBST(NO_STRCASESTR)
426 #
427 # Define NO_MEMMEM if you don't have memmem.
428 AC_CHECK_FUNC(memmem,
429 [NO_MEMMEM=],
430 [NO_MEMMEM=YesPlease])
431 AC_SUBST(NO_MEMMEM)
432 #
433 # Define NO_STRLCPY if you don't have strlcpy.
434 AC_CHECK_FUNC(strlcpy,
435 [NO_STRLCPY=],
436 [NO_STRLCPY=YesPlease])
437 AC_SUBST(NO_STRLCPY)
438 #
439 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
440 AC_CHECK_FUNC(strtoumax,
441 [NO_STRTOUMAX=],
442 [NO_STRTOUMAX=YesPlease])
443 AC_SUBST(NO_STRTOUMAX)
444 #
445 # Define NO_SETENV if you don't have setenv in the C library.
446 AC_CHECK_FUNC(setenv,
447 [NO_SETENV=],
448 [NO_SETENV=YesPlease])
449 AC_SUBST(NO_SETENV)
450 #
451 # Define NO_UNSETENV if you don't have unsetenv in the C library.
452 AC_CHECK_FUNC(unsetenv,
453 [NO_UNSETENV=],
454 [NO_UNSETENV=YesPlease])
455 AC_SUBST(NO_UNSETENV)
456 #
457 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
458 AC_CHECK_FUNC(mkdtemp,
459 [NO_MKDTEMP=],
460 [NO_MKDTEMP=YesPlease])
461 AC_SUBST(NO_MKDTEMP)
462 #
463 # Define NO_MMAP if you want to avoid mmap.
464 #
465 # Define NO_ICONV if your libc does not properly support iconv.
468 ## Other checks.
469 # Define USE_PIC if you need the main git objects to be built with -fPIC
470 # in order to build and link perl/Git.so. x86-64 seems to need this.
471 #
472 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
473 # Enable it on Windows. By default, symrefs are still used.
475 ## Site configuration (override autodetection)
476 ## --with-PACKAGE[=ARG] and --without-PACKAGE
477 AC_MSG_NOTICE([CHECKS for site configuration])
478 #
479 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
480 # tests. These tests take up a significant amount of the total test time
481 # but are not needed unless you plan to talk to SVN repos.
482 #
483 # Define MOZILLA_SHA1 environment variable when running make to make use of
484 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
485 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
486 # choice) has very fast version optimized for i586.
487 #
488 # Define PPC_SHA1 environment variable when running make to make use of
489 # a bundled SHA1 routine optimized for PowerPC.
490 #
491 # Define ARM_SHA1 environment variable when running make to make use of
492 # a bundled SHA1 routine optimized for ARM.
493 #
494 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
495 # This also implies MOZILLA_SHA1.
496 #
497 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
498 # /foo/bar/include and /foo/bar/lib directories.
499 AC_ARG_WITH(openssl,
500 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
501 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
502 GIT_PARSE_WITH(openssl))
503 #
504 # Define NO_CURL if you do not have curl installed. git-http-pull and
505 # git-http-push are not built, and you cannot use http:// and https://
506 # transports.
507 #
508 # Define CURLDIR=/foo/bar if your curl header and library files are in
509 # /foo/bar/include and /foo/bar/lib directories.
510 AC_ARG_WITH(curl,
511 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
512 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
513 GIT_PARSE_WITH(curl))
514 #
515 # Define NO_EXPAT if you do not have expat installed. git-http-push is
516 # not built, and you cannot push using http:// and https:// transports.
517 #
518 # Define EXPATDIR=/foo/bar if your expat header and library files are in
519 # /foo/bar/include and /foo/bar/lib directories.
520 AC_ARG_WITH(expat,
521 AS_HELP_STRING([--with-expat],
522 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
523 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
524 GIT_PARSE_WITH(expat))
525 #
526 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
527 # installed in /sw, but don't want GIT to link against any libraries
528 # installed there. If defined you may specify your own (or Fink's)
529 # include directories and library directories by defining CFLAGS
530 # and LDFLAGS appropriately.
531 #
532 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
533 # have DarwinPorts installed in /opt/local, but don't want GIT to
534 # link against any libraries installed there. If defined you may
535 # specify your own (or DarwinPort's) include directories and
536 # library directories by defining CFLAGS and LDFLAGS appropriately.
537 #
538 # Define NO_MMAP if you want to avoid mmap.
539 #
540 # Define NO_ICONV if your libc does not properly support iconv.
541 AC_ARG_WITH(iconv,
542 AS_HELP_STRING([--without-iconv],
543 [if your architecture doesn't properly support iconv])
544 AS_HELP_STRING([--with-iconv=PATH],
545 [PATH is prefix for libiconv library and headers])
546 AS_HELP_STRING([],
547 [used only if you need linking with libiconv]),
548 GIT_PARSE_WITH(iconv))
550 ## --enable-FEATURE[=ARG] and --disable-FEATURE
551 #
552 # Define USE_NSEC below if you want git to care about sub-second file mtimes
553 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
554 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
555 # randomly break unless your underlying filesystem supports those sub-second
556 # times (my ext3 doesn't).
557 #
558 # Define USE_STDEV below if you want git to care about the underlying device
559 # change being considered an inode change from the update-index perspective.
562 ## Output files
563 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
564 AC_OUTPUT
567 ## Cleanup
568 rm -f "${config_append}"