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)
78 # Declare the with-tcltk/without-tcltk options.
80 AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
81 AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
82 AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
83 AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
84 GIT_PARSE_WITH(tcltk))
88 ## Checks for programs.
89 AC_MSG_NOTICE([CHECKS for programs])
92 #AC_PROG_INSTALL # needs install-sh or install.sh in sources
93 AC_CHECK_TOOL(AR, ar, :)
94 AC_CHECK_PROGS(TAR, [gtar tar])
95 # TCLTK_PATH will be set to some value if we want Tcl/Tk
96 # or will be empty otherwise.
97 if test -z "$NO_TCLTK"; then
98 if test "$with_tcltk" = ""; then
99 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
102 elif test "$with_tcltk" = "yes"; then
103 # Tcl/Tk check requested.
104 AC_CHECK_PROGS(TCLTK_PATH, [wish], )
106 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
107 TCLTK_PATH="$with_tcltk"
112 ## Checks for libraries.
113 AC_MSG_NOTICE([CHECKS for libraries])
115 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
116 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
117 AC_CHECK_LIB([crypto], [SHA1_Init],
118 [NEEDS_SSL_WITH_CRYPTO=],
119 [AC_CHECK_LIB([ssl], [SHA1_Init],
120 [NEEDS_SSL_WITH_CRYPTO=YesPlease
121 NEEDS_SSL_WITH_CRYPTO=],
122 [NO_OPENSSL=YesPlease])])
123 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
126 # Define NO_CURL if you do not have curl installed. git-http-pull and
127 # git-http-push are not built, and you cannot use http:// and https://
129 AC_CHECK_LIB([curl], [curl_global_init],
134 # Define NO_EXPAT if you do not have expat installed. git-http-push is
135 # not built, and you cannot push using http:// and https:// transports.
136 AC_CHECK_LIB([expat], [XML_ParserCreate],
138 [NO_EXPAT=YesPlease])
141 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
142 # some Solaris installations).
143 # Define NO_ICONV if neither libc nor libiconv support iconv.
144 AC_DEFUN([ICONVTEST_SRC], [
153 AC_MSG_CHECKING([for iconv in -lc])
154 AC_LINK_IFELSE(ICONVTEST_SRC,
155 [AC_MSG_RESULT([yes])
160 AC_MSG_CHECKING([for iconv in -liconv])
161 AC_LINK_IFELSE(ICONVTEST_SRC,
162 [AC_MSG_RESULT([yes])
163 NEEDS_LIBICONV=YesPlease],
167 AC_SUBST(NEEDS_LIBICONV)
169 test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
171 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
173 AC_CHECK_LIB([c], [socket],
175 [NEEDS_SOCKET=YesPlease])
176 AC_SUBST(NEEDS_SOCKET)
177 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
180 ## Checks for header files.
183 ## Checks for typedefs, structures, and compiler characteristics.
184 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
186 # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
187 AC_CHECK_MEMBER(struct dirent.d_ino,
188 [NO_D_INO_IN_DIRENT=],
189 [NO_D_INO_IN_DIRENT=YesPlease],
190 [#include <dirent.h>])
191 AC_SUBST(NO_D_INO_IN_DIRENT)
193 # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
194 # d_type in struct dirent (latest Cygwin -- will be fixed soonish).
195 AC_CHECK_MEMBER(struct dirent.d_type,
196 [NO_D_TYPE_IN_DIRENT=],
197 [NO_D_TYPE_IN_DIRENT=YesPlease],
198 [#include <dirent.h>])
199 AC_SUBST(NO_D_TYPE_IN_DIRENT)
201 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
203 AC_CHECK_TYPE(struct sockaddr_storage,
204 [NO_SOCKADDR_STORAGE=],
205 [NO_SOCKADDR_STORAGE=YesPlease],[
206 #include <sys/types.h>
207 #include <sys/socket.h>
209 AC_SUBST(NO_SOCKADDR_STORAGE)
211 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
212 AC_CHECK_TYPE([struct addrinfo],[
213 AC_CHECK_FUNC([getaddrinfo],
216 ],[NO_IPV6=YesPlease],[
217 #include <sys/types.h>
218 #include <sys/socket.h>
223 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
224 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
225 # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
226 # some C compilers supported these specifiers prior to C99 as an extension.
227 AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
228 [ac_cv_c_c99_format],
229 [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
231 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
233 if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
235 else if (strcmp(buf, "12345"))
237 [ac_cv_c_c99_format=yes],
238 [ac_cv_c_c99_format=no])
240 if test $ac_cv_c_c99_format = no; then
241 NO_C99_FORMAT=YesPlease
245 AC_SUBST(NO_C99_FORMAT)
248 ## Checks for library functions.
249 ## (in default C library and libraries checked by AC_CHECK_LIB)
250 AC_MSG_NOTICE([CHECKS for library functions])
252 # Define NO_STRCASESTR if you don't have strcasestr.
253 AC_CHECK_FUNC(strcasestr,
255 [NO_STRCASESTR=YesPlease])
256 AC_SUBST(NO_STRCASESTR)
258 # Define NO_STRLCPY if you don't have strlcpy.
259 AC_CHECK_FUNC(strlcpy,
261 [NO_STRLCPY=YesPlease])
264 # Define NO_SETENV if you don't have setenv in the C library.
265 AC_CHECK_FUNC(setenv,
267 [NO_SETENV=YesPlease])
270 # Define NO_MMAP if you want to avoid mmap.
272 # Define NO_ICONV if your libc does not properly support iconv.
276 # Define USE_PIC if you need the main git objects to be built with -fPIC
277 # in order to build and link perl/Git.so. x86-64 seems to need this.
279 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
280 # Enable it on Windows. By default, symrefs are still used.
282 ## Site configuration (override autodetection)
283 ## --with-PACKAGE[=ARG] and --without-PACKAGE
284 AC_MSG_NOTICE([CHECKS for site configuration])
286 # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
287 # tests. These tests take up a significant amount of the total test time
288 # but are not needed unless you plan to talk to SVN repos.
290 # Define MOZILLA_SHA1 environment variable when running make to make use of
291 # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
292 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
293 # choice) has very fast version optimized for i586.
295 # Define PPC_SHA1 environment variable when running make to make use of
296 # a bundled SHA1 routine optimized for PowerPC.
298 # Define ARM_SHA1 environment variable when running make to make use of
299 # a bundled SHA1 routine optimized for ARM.
301 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
302 # This also implies MOZILLA_SHA1.
304 # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
305 # /foo/bar/include and /foo/bar/lib directories.
307 AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
308 AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
309 GIT_PARSE_WITH(openssl))
311 # Define NO_CURL if you do not have curl installed. git-http-pull and
312 # git-http-push are not built, and you cannot use http:// and https://
315 # Define CURLDIR=/foo/bar if your curl header and library files are in
316 # /foo/bar/include and /foo/bar/lib directories.
318 AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
319 AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
320 GIT_PARSE_WITH(curl))
322 # Define NO_EXPAT if you do not have expat installed. git-http-push is
323 # not built, and you cannot push using http:// and https:// transports.
325 # Define EXPATDIR=/foo/bar if your expat header and library files are in
326 # /foo/bar/include and /foo/bar/lib directories.
328 AS_HELP_STRING([--with-expat],
329 [support git-push using http:// and https:// transports via WebDAV (default is YES)])
330 AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
331 GIT_PARSE_WITH(expat))
333 # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
334 # installed in /sw, but don't want GIT to link against any libraries
335 # installed there. If defined you may specify your own (or Fink's)
336 # include directories and library directories by defining CFLAGS
337 # and LDFLAGS appropriately.
339 # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
340 # have DarwinPorts installed in /opt/local, but don't want GIT to
341 # link against any libraries installed there. If defined you may
342 # specify your own (or DarwinPort's) include directories and
343 # library directories by defining CFLAGS and LDFLAGS appropriately.
345 # Define NO_MMAP if you want to avoid mmap.
347 # Define NO_ICONV if your libc does not properly support iconv.
349 AS_HELP_STRING([--without-iconv],
350 [if your architecture doesn't properly support iconv])
351 AS_HELP_STRING([--with-iconv=PATH],
352 [PATH is prefix for libiconv library and headers])
354 [used only if you need linking with libiconv]),
355 GIT_PARSE_WITH(iconv))
357 ## --enable-FEATURE[=ARG] and --disable-FEATURE
359 # Define USE_NSEC below if you want git to care about sub-second file mtimes
360 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
361 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
362 # randomly break unless your underlying filesystem supports those sub-second
363 # times (my ext3 doesn't).
365 # Define USE_STDEV below if you want git to care about the underlying device
366 # change being considered an inode change from the update-cache perspective.
370 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
375 rm -f "${config_append}"