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55667714 JN |
1 | # -*- Autoconf -*- |
2 | # Process this file with autoconf to produce a configure script. | |
3 | ||
4 | AC_PREREQ(2.59) | |
3900145e | 5 | AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) |
55667714 JN |
6 | |
7 | AC_CONFIG_SRCDIR([git.c]) | |
8 | ||
9 | config_file=config.mak.autogen | |
d3a6db98 | 10 | config_append=config.mak.append |
55667714 JN |
11 | config_in=config.mak.in |
12 | ||
d3a6db98 JN |
13 | echo "# ${config_append}. Generated by configure." > "${config_append}" |
14 | ||
15 | ||
16 | ## Definitions of macros | |
17 | # GIT_CONF_APPEND_LINE(LINE) | |
18 | # -------------------------- | |
19 | # Append LINE to file ${config_append} | |
20 | AC_DEFUN([GIT_CONF_APPEND_LINE], | |
21 | [echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE | |
657b062d JN |
22 | # |
23 | # GIT_ARG_SET_PATH(PROGRAM) | |
24 | # ------------------------- | |
25 | # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM | |
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-$1=PATH]); \ | |
44 | else \ | |
45 | GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ | |
46 | fi; \ | |
47 | fi; \ | |
48 | ]) # GIT_CONF_APPEND_PATH | |
a20b4d89 JN |
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 | |
d3a6db98 | 67 | |
633b4239 | 68 | |
a20b4d89 | 69 | ## Site configuration related to programs (before tests) |
c4b1b140 JN |
70 | ## --with-PACKAGE[=ARG] and --without-PACKAGE |
71 | # | |
465e649d JN |
72 | # Define SHELL_PATH to provide path to shell. |
73 | GIT_ARG_SET_PATH(shell) | |
74 | # | |
75 | # Define PERL_PATH to provide path to Perl. | |
76 | GIT_ARG_SET_PATH(perl) | |
77 | # | |
c4b1b140 JN |
78 | |
79 | ||
633b4239 | 80 | ## Checks for programs. |
fd22c027 | 81 | AC_MSG_NOTICE([CHECKS for programs]) |
f6719572 | 82 | # |
60a144f2 | 83 | AC_PROG_CC([cc gcc]) |
fd22c027 JN |
84 | #AC_PROG_INSTALL # needs install-sh or install.sh in sources |
85 | AC_CHECK_TOOL(AR, ar, :) | |
86 | AC_CHECK_PROGS(TAR, [gtar tar]) | |
633b4239 JN |
87 | |
88 | ## Checks for libraries. | |
ebdf5321 | 89 | AC_MSG_NOTICE([CHECKS for libraries]) |
f6719572 | 90 | # |
633b4239 | 91 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. |
ebdf5321 | 92 | # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). |
d5c31a1c | 93 | AC_CHECK_LIB([crypto], [SHA1_Init], |
424adc50 | 94 | [NEEDS_SSL_WITH_CRYPTO=], |
3068f6c4 | 95 | [AC_CHECK_LIB([ssl], [SHA1_Init], |
424adc50 JN |
96 | [NEEDS_SSL_WITH_CRYPTO=YesPlease |
97 | NEEDS_SSL_WITH_CRYPTO=], | |
98 | [NO_OPENSSL=YesPlease])]) | |
99 | AC_SUBST(NEEDS_SSL_WITH_CRYPTO) | |
100 | AC_SUBST(NO_OPENSSL) | |
f6719572 | 101 | # |
633b4239 JN |
102 | # Define NO_CURL if you do not have curl installed. git-http-pull and |
103 | # git-http-push are not built, and you cannot use http:// and https:// | |
104 | # transports. | |
d5c31a1c | 105 | AC_CHECK_LIB([curl], [curl_global_init], |
424adc50 JN |
106 | [NO_CURL=], |
107 | [NO_CURL=YesPlease]) | |
108 | AC_SUBST(NO_CURL) | |
f6719572 | 109 | # |
633b4239 JN |
110 | # Define NO_EXPAT if you do not have expat installed. git-http-push is |
111 | # not built, and you cannot push using http:// and https:// transports. | |
d5c31a1c | 112 | AC_CHECK_LIB([expat], [XML_ParserCreate], |
424adc50 JN |
113 | [NO_EXPAT=], |
114 | [NO_EXPAT=YesPlease]) | |
115 | AC_SUBST(NO_EXPAT) | |
f6719572 | 116 | # |
e63ccb84 FK |
117 | # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and |
118 | # some Solaris installations). | |
6ff88de7 | 119 | # Define NO_ICONV if neither libc nor libiconv support iconv. |
e63ccb84 FK |
120 | AC_DEFUN([ICONVTEST_SRC], [ |
121 | #include <iconv.h> | |
122 | ||
123 | int main(void) | |
124 | { | |
125 | iconv_open("", ""); | |
126 | return 0; | |
127 | } | |
128 | ]) | |
129 | AC_MSG_CHECKING([for iconv in -lc]) | |
130 | AC_LINK_IFELSE(ICONVTEST_SRC, | |
131 | [AC_MSG_RESULT([yes]) | |
132 | NEEDS_LIBICONV=], | |
133 | [AC_MSG_RESULT([no]) | |
134 | old_LIBS="$LIBS" | |
135 | LIBS="$LIBS -liconv" | |
136 | AC_MSG_CHECKING([for iconv in -liconv]) | |
137 | AC_LINK_IFELSE(ICONVTEST_SRC, | |
138 | [AC_MSG_RESULT([yes]) | |
139 | NEEDS_LIBICONV=YesPlease], | |
140 | [AC_MSG_RESULT([no]) | |
141 | NO_ICONV=YesPlease]) | |
142 | LIBS="$old_LIBS"]) | |
424adc50 | 143 | AC_SUBST(NEEDS_LIBICONV) |
baf1219a | 144 | AC_SUBST(NO_ICONV) |
825b045f | 145 | test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv" |
f6719572 | 146 | # |
633b4239 JN |
147 | # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, |
148 | # Patrick Mauritz). | |
d5c31a1c | 149 | AC_CHECK_LIB([c], [socket], |
424adc50 JN |
150 | [NEEDS_SOCKET=], |
151 | [NEEDS_SOCKET=YesPlease]) | |
152 | AC_SUBST(NEEDS_SOCKET) | |
d1b9944d | 153 | test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" |
633b4239 JN |
154 | |
155 | ||
156 | ## Checks for header files. | |
157 | ||
158 | ||
159 | ## Checks for typedefs, structures, and compiler characteristics. | |
eb0f255d | 160 | AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) |
f6719572 | 161 | # |
633b4239 | 162 | # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. |
d5c31a1c | 163 | AC_CHECK_MEMBER(struct dirent.d_ino, |
424adc50 JN |
164 | [NO_D_INO_IN_DIRENT=], |
165 | [NO_D_INO_IN_DIRENT=YesPlease], | |
eb0f255d | 166 | [#include <dirent.h>]) |
424adc50 | 167 | AC_SUBST(NO_D_INO_IN_DIRENT) |
f6719572 | 168 | # |
633b4239 JN |
169 | # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks |
170 | # d_type in struct dirent (latest Cygwin -- will be fixed soonish). | |
d5c31a1c | 171 | AC_CHECK_MEMBER(struct dirent.d_type, |
424adc50 JN |
172 | [NO_D_TYPE_IN_DIRENT=], |
173 | [NO_D_TYPE_IN_DIRENT=YesPlease], | |
eb0f255d | 174 | [#include <dirent.h>]) |
424adc50 | 175 | AC_SUBST(NO_D_TYPE_IN_DIRENT) |
f6719572 | 176 | # |
633b4239 JN |
177 | # Define NO_SOCKADDR_STORAGE if your platform does not have struct |
178 | # sockaddr_storage. | |
d5c31a1c | 179 | AC_CHECK_TYPE(struct sockaddr_storage, |
424adc50 | 180 | [NO_SOCKADDR_STORAGE=], |
ab5573ae DS |
181 | [NO_SOCKADDR_STORAGE=YesPlease],[ |
182 | #include <sys/types.h> | |
183 | #include <sys/socket.h> | |
184 | ]) | |
424adc50 JN |
185 | AC_SUBST(NO_SOCKADDR_STORAGE) |
186 | # | |
8c6ab35e JH |
187 | # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). |
188 | AC_CHECK_TYPE([struct addrinfo],[ | |
d5c31a1c | 189 | AC_CHECK_FUNC([getaddrinfo], |
424adc50 JN |
190 | [NO_IPV6=], |
191 | [NO_IPV6=YesPlease]) | |
192 | ],[NO_IPV6=YesPlease],[ | |
8c6ab35e JH |
193 | #include <sys/types.h> |
194 | #include <sys/socket.h> | |
195 | #include <netdb.h> | |
196 | ]) | |
424adc50 | 197 | AC_SUBST(NO_IPV6) |
656517b9 JN |
198 | # |
199 | # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) | |
200 | # do not support the 'size specifiers' introduced by C99, namely ll, hh, | |
201 | # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). | |
202 | # some C compilers supported these specifiers prior to C99 as an extension. | |
f685d07d JN |
203 | AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], |
204 | [ac_cv_c_c99_format], | |
656517b9 JN |
205 | [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c |
206 | AC_RUN_IFELSE( | |
207 | [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], | |
208 | [[char buf[64]; | |
209 | if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) | |
210 | exit(1); | |
211 | else if (strcmp(buf, "12345")) | |
212 | exit(2);]])], | |
213 | [ac_cv_c_c99_format=yes], | |
214 | [ac_cv_c_c99_format=no]) | |
215 | ]) | |
216 | if test $ac_cv_c_c99_format = no; then | |
424adc50 | 217 | NO_C99_FORMAT=YesPlease |
d5c31a1c | 218 | else |
424adc50 | 219 | NO_C99_FORMAT= |
656517b9 | 220 | fi |
424adc50 | 221 | AC_SUBST(NO_C99_FORMAT) |
633b4239 | 222 | |
a20b4d89 | 223 | |
633b4239 | 224 | ## Checks for library functions. |
1bbbadbc JN |
225 | ## (in default C library and libraries checked by AC_CHECK_LIB) |
226 | AC_MSG_NOTICE([CHECKS for library functions]) | |
f6719572 | 227 | # |
633b4239 | 228 | # Define NO_STRCASESTR if you don't have strcasestr. |
d5c31a1c | 229 | AC_CHECK_FUNC(strcasestr, |
424adc50 JN |
230 | [NO_STRCASESTR=], |
231 | [NO_STRCASESTR=YesPlease]) | |
232 | AC_SUBST(NO_STRCASESTR) | |
f6719572 | 233 | # |
633b4239 | 234 | # Define NO_STRLCPY if you don't have strlcpy. |
d5c31a1c | 235 | AC_CHECK_FUNC(strlcpy, |
424adc50 JN |
236 | [NO_STRLCPY=], |
237 | [NO_STRLCPY=YesPlease]) | |
238 | AC_SUBST(NO_STRLCPY) | |
f6719572 | 239 | # |
633b4239 | 240 | # Define NO_SETENV if you don't have setenv in the C library. |
d5c31a1c | 241 | AC_CHECK_FUNC(setenv, |
424adc50 JN |
242 | [NO_SETENV=], |
243 | [NO_SETENV=YesPlease]) | |
244 | AC_SUBST(NO_SETENV) | |
f6719572 | 245 | # |
633b4239 JN |
246 | # Define NO_MMAP if you want to avoid mmap. |
247 | # | |
633b4239 JN |
248 | # Define NO_ICONV if your libc does not properly support iconv. |
249 | ||
250 | ||
251 | ## Other checks. | |
252 | # Define USE_PIC if you need the main git objects to be built with -fPIC | |
253 | # in order to build and link perl/Git.so. x86-64 seems to need this. | |
254 | # | |
255 | # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. | |
256 | # Enable it on Windows. By default, symrefs are still used. | |
633b4239 | 257 | |
a20b4d89 JN |
258 | ## Site configuration (override autodetection) |
259 | ## --with-PACKAGE[=ARG] and --without-PACKAGE | |
260 | AC_MSG_NOTICE([CHECKS for site configuration]) | |
261 | # | |
262 | # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability | |
263 | # tests. These tests take up a significant amount of the total test time | |
264 | # but are not needed unless you plan to talk to SVN repos. | |
265 | # | |
266 | # Define MOZILLA_SHA1 environment variable when running make to make use of | |
267 | # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast | |
268 | # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default | |
269 | # choice) has very fast version optimized for i586. | |
270 | # | |
271 | # Define PPC_SHA1 environment variable when running make to make use of | |
272 | # a bundled SHA1 routine optimized for PowerPC. | |
273 | # | |
274 | # Define ARM_SHA1 environment variable when running make to make use of | |
275 | # a bundled SHA1 routine optimized for ARM. | |
276 | # | |
277 | # Define NO_OPENSSL environment variable if you do not have OpenSSL. | |
278 | # This also implies MOZILLA_SHA1. | |
279 | # | |
280 | # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in | |
281 | # /foo/bar/include and /foo/bar/lib directories. | |
282 | AC_ARG_WITH(openssl, | |
283 | AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) | |
284 | AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ | |
285 | GIT_PARSE_WITH(openssl)) | |
286 | # | |
287 | # Define NO_CURL if you do not have curl installed. git-http-pull and | |
288 | # git-http-push are not built, and you cannot use http:// and https:// | |
289 | # transports. | |
290 | # | |
291 | # Define CURLDIR=/foo/bar if your curl header and library files are in | |
292 | # /foo/bar/include and /foo/bar/lib directories. | |
293 | AC_ARG_WITH(curl, | |
294 | AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) | |
295 | AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), | |
296 | GIT_PARSE_WITH(curl)) | |
297 | # | |
298 | # Define NO_EXPAT if you do not have expat installed. git-http-push is | |
299 | # not built, and you cannot push using http:// and https:// transports. | |
300 | # | |
301 | # Define EXPATDIR=/foo/bar if your expat header and library files are in | |
302 | # /foo/bar/include and /foo/bar/lib directories. | |
303 | AC_ARG_WITH(expat, | |
304 | AS_HELP_STRING([--with-expat], | |
305 | [support git-push using http:// and https:// transports via WebDAV (default is YES)]) | |
306 | AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), | |
307 | GIT_PARSE_WITH(expat)) | |
308 | # | |
309 | # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink | |
310 | # installed in /sw, but don't want GIT to link against any libraries | |
311 | # installed there. If defined you may specify your own (or Fink's) | |
312 | # include directories and library directories by defining CFLAGS | |
313 | # and LDFLAGS appropriately. | |
314 | # | |
315 | # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, | |
316 | # have DarwinPorts installed in /opt/local, but don't want GIT to | |
317 | # link against any libraries installed there. If defined you may | |
318 | # specify your own (or DarwinPort's) include directories and | |
319 | # library directories by defining CFLAGS and LDFLAGS appropriately. | |
320 | # | |
321 | # Define NO_MMAP if you want to avoid mmap. | |
baf1219a JN |
322 | # |
323 | # Define NO_ICONV if your libc does not properly support iconv. | |
324 | AC_ARG_WITH(iconv, | |
325 | AS_HELP_STRING([--without-iconv], | |
326 | [if your architecture doesn't properly support iconv]) | |
327 | AS_HELP_STRING([--with-iconv=PATH], | |
328 | [PATH is prefix for libiconv library and headers]) | |
329 | AS_HELP_STRING([], | |
330 | [used only if you need linking with libiconv]), | |
331 | GIT_PARSE_WITH(iconv)) | |
a20b4d89 JN |
332 | |
333 | ## --enable-FEATURE[=ARG] and --disable-FEATURE | |
334 | # | |
a20b4d89 JN |
335 | # Define USE_NSEC below if you want git to care about sub-second file mtimes |
336 | # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and | |
337 | # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely | |
338 | # randomly break unless your underlying filesystem supports those sub-second | |
339 | # times (my ext3 doesn't). | |
340 | # | |
341 | # Define USE_STDEV below if you want git to care about the underlying device | |
342 | # change being considered an inode change from the update-cache perspective. | |
343 | ||
344 | ||
633b4239 | 345 | ## Output files |
d3a6db98 | 346 | AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) |
55667714 | 347 | AC_OUTPUT |
d3a6db98 | 348 | |
f6719572 | 349 | |
d3a6db98 JN |
350 | ## Cleanup |
351 | rm -f "${config_append}" |