2 # Process this file with autoconf to produce a configure script.
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
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],
28 [AS_HELP_STRING([--with-$1=PATH],
29 [provide PATH to $1])],
30 [GIT_CONF_APPEND_PATH($1)],[])
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 $1]); \
42 if test "$withval" = "yes"; then \
43 AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
45 GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
48 ]) # GIT_CONF_APPEND_PATH
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 \
64 GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
69 ## Site configuration related to programs (before tests)
70 ## --with-PACKAGE[=ARG] and --without-PACKAGE
72 # Define SHELL_PATH to provide path to shell.
73 GIT_ARG_SET_PATH(shell)
75 # Define PERL_PATH to provide path to Perl.
76 GIT_ARG_SET_PATH(perl)
80 ## Checks for programs.
81 AC_MSG_NOTICE([CHECKS for programs])
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])
88 ## Checks for libraries.
89 AC_MSG_NOTICE([CHECKS for libraries])
91 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
92 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
93 AC_CHECK_LIB([crypto], [SHA1_Init],
94 [NEEDS_SSL_WITH_CRYPTO=],
95 [AC_CHECK_LIB([ssl], [SHA1_Init],
96 [NEEDS_SSL_WITH_CRYPTO=YesPlease
97 NEEDS_SSL_WITH_CRYPTO=],
98 [NO_OPENSSL=YesPlease])])
99 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
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://
105 AC_CHECK_LIB([curl], [curl_global_init],
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.
112 AC_CHECK_LIB([expat], [XML_ParserCreate],
114 [NO_EXPAT=YesPlease])
117 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
118 # some Solaris installations).
119 # Define NO_ICONV if neither libc nor libiconv support iconv.
120 AC_DEFUN([ICONVTEST_SRC], [
129 AC_MSG_CHECKING([for iconv in -lc])
130 AC_LINK_IFELSE(ICONVTEST_SRC,
131 [AC_MSG_RESULT([yes])
136 AC_MSG_CHECKING([for iconv in -liconv])
137 AC_LINK_IFELSE(ICONVTEST_SRC,
138 [AC_MSG_RESULT([yes])
139 NEEDS_LIBICONV=YesPlease],
143 AC_SUBST(NEEDS_LIBICONV)
145 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
147 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
149 AC_CHECK_LIB([c], [socket],
151 [NEEDS_SOCKET=YesPlease])
152 AC_SUBST(NEEDS_SOCKET)
153 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
156 ## Checks for header files.
159 ## Checks for typedefs, structures, and compiler characteristics.
160 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
162 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
163 AC_CHECK_MEMBER(struct dirent.d_ino,
164 [NO_D_INO_IN_DIRENT=],
165 [NO_D_INO_IN_DIRENT=YesPlease],
166 [#include <dirent.h>])
167 AC_SUBST(NO_D_INO_IN_DIRENT)
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).
171 AC_CHECK_MEMBER(struct dirent.d_type,
172 [NO_D_TYPE_IN_DIRENT=],
173 [NO_D_TYPE_IN_DIRENT=YesPlease],
174 [#include <dirent.h>])
175 AC_SUBST(NO_D_TYPE_IN_DIRENT)
177 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
179 AC_CHECK_TYPE(struct sockaddr_storage,
180 [NO_SOCKADDR_STORAGE=],
181 [NO_SOCKADDR_STORAGE=YesPlease],[
182 #include <sys/types.h>
183 #include <sys/socket.h>
185 AC_SUBST(NO_SOCKADDR_STORAGE)
187 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
188 AC_CHECK_TYPE([struct addrinfo],[
189 AC_CHECK_FUNC([getaddrinfo],
192 ],[NO_IPV6=YesPlease],[
193 #include <sys/types.h>
194 #include <sys/socket.h>
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.
203 AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
204 [ac_cv_c_c99_format],
205 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
207 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
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)
211 else if (strcmp(buf, "12345"))
213 [ac_cv_c_c99_format=yes],
214 [ac_cv_c_c99_format=no])
216 if test $ac_cv_c_c99_format = no; then
217 NO_C99_FORMAT=YesPlease
221 AC_SUBST(NO_C99_FORMAT)
224 ## Checks for library functions.
225 ## (in default C library and libraries checked by AC_CHECK_LIB)
226 AC_MSG_NOTICE([CHECKS for library functions])
228 # Define NO_STRCASESTR if you don't have strcasestr.
229 AC_CHECK_FUNC(strcasestr,
231 [NO_STRCASESTR=YesPlease])
232 AC_SUBST(NO_STRCASESTR)
234 # Define NO_STRLCPY if you don't have strlcpy.
235 AC_CHECK_FUNC(strlcpy,
237 [NO_STRLCPY=YesPlease])
240 # Define NO_SETENV if you don't have setenv in the C library.
241 AC_CHECK_FUNC(setenv,
243 [NO_SETENV=YesPlease])
246 # Define NO_MMAP if you want to avoid mmap.
248 # Define NO_ICONV if your libc does not properly support iconv.
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.
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.
258 ## Site configuration (override autodetection)
259 ## --with-PACKAGE[=ARG] and --without-PACKAGE
260 AC_MSG_NOTICE([CHECKS for site configuration])
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.
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.
271 # Define PPC_SHA1 environment variable when running make to make use of
272 # a bundled SHA1 routine optimized for PowerPC.
274 # Define ARM_SHA1 environment variable when running make to make use of
275 # a bundled SHA1 routine optimized for ARM.
277 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
278 # This also implies MOZILLA_SHA1.
280 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
281 # /foo/bar/include and /foo/bar/lib directories.
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))
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://
291 # Define CURLDIR=/foo/bar if your curl header and library files are in
292 # /foo/bar/include and /foo/bar/lib directories.
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))
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.
301 # Define EXPATDIR=/foo/bar if your expat header and library files are in
302 # /foo/bar/include and /foo/bar/lib directories.
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))
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.
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.
321 # Define NO_MMAP if you want to avoid mmap.
323 # Define NO_ICONV if your libc does not properly support 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])
330 [used only if you need linking with libiconv]),
331 GIT_PARSE_WITH(iconv))
333 ## --enable-FEATURE[=ARG] and --disable-FEATURE
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).
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.
346 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
351 rm -f "${config_append}"