# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. AC_PREREQ(2.59) AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org]) AC_CONFIG_SRCDIR([git.c]) config_file=config.mak.autogen config_append=config.mak.append config_in=config.mak.in echo "# ${config_append}. Generated by configure." > "${config_append}" ## Definitions of macros # GIT_CONF_APPEND_LINE(LINE) # -------------------------- # Append LINE to file ${config_append} AC_DEFUN([GIT_CONF_APPEND_LINE], [echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE # # GIT_ARG_SET_PATH(PROGRAM) # ------------------------- # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM AC_DEFUN([GIT_ARG_SET_PATH], [AC_ARG_WITH([$1], [AS_HELP_STRING([--with-$1=PATH], [provide PATH to $1])], [GIT_CONF_APPEND_PATH($1)],[]) ])# GIT_ARG_SET_PATH # # GIT_CONF_APPEND_PATH(PROGRAM) # ------------------------------ # Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH # Used by GIT_ARG_SET_PATH(PROGRAM) AC_DEFUN([GIT_CONF_APPEND_PATH], [PROGRAM=m4_toupper($1); \ if test "$withval" = "no"; then \ AC_MSG_ERROR([You cannot use git without $1]); \ else \ if test "$withval" = "yes"; then \ AC_MSG_WARN([You should provide path for --with-$1=PATH]); \ else \ GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \ fi; \ fi; \ ]) # GIT_CONF_APPEND_PATH # # GIT_PARSE_WITH(PACKAGE) # ----------------------- # For use in AC_ARG_WITH action-if-found, for packages default ON. # * Set NO_PACKAGE=YesPlease for --without-PACKAGE # * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH # * Unset NO_PACKAGE for --with-PACKAGE without ARG AC_DEFUN([GIT_PARSE_WITH], [PACKAGE=m4_toupper($1); \ if test "$withval" = "no"; then \ m4_toupper(NO_$1)=YesPlease; \ elif test "$withval" = "yes"; then \ m4_toupper(NO_$1)=; \ else \ m4_toupper(NO_$1)=; \ GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \ fi \ ])# GIT_PARSE_WITH ## Site configuration related to programs (before tests) ## --with-PACKAGE[=ARG] and --without-PACKAGE # # Set lib to alternative name of lib directory (e.g. lib64) AC_ARG_WITH([lib], [AS_HELP_STRING([--with-lib=ARG], [ARG specifies alternative name for lib directory])], [if test "$withval" = "no" || test "$withval" = "yes"; then \ AC_MSG_WARN([You should provide name for --with-lib=ARG]); \ else \ GIT_CONF_APPEND_LINE(lib=$withval); \ fi; \ ],[]) # # Define SHELL_PATH to provide path to shell. GIT_ARG_SET_PATH(shell) # # Define PERL_PATH to provide path to Perl. GIT_ARG_SET_PATH(perl) # # Define ZLIB_PATH to provide path to zlib. GIT_ARG_SET_PATH(zlib) # # Declare the with-tcltk/without-tcltk options. AC_ARG_WITH(tcltk, AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\ GIT_PARSE_WITH(tcltk)) # ## Checks for programs. AC_MSG_NOTICE([CHECKS for programs]) # AC_PROG_CC([cc gcc]) #AC_PROG_INSTALL # needs install-sh or install.sh in sources AC_CHECK_TOOLS(AR, [gar ar], :) AC_CHECK_PROGS(TAR, [gtar tar]) # TCLTK_PATH will be set to some value if we want Tcl/Tk # or will be empty otherwise. if test -z "$NO_TCLTK"; then if test "$with_tcltk" = ""; then # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'. TCLTK_PATH=wish AC_SUBST(TCLTK_PATH) elif test "$with_tcltk" = "yes"; then # Tcl/Tk check requested. AC_CHECK_PROGS(TCLTK_PATH, [wish], ) else AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk]) TCLTK_PATH="$with_tcltk" AC_SUBST(TCLTK_PATH) fi fi AC_CHECK_PROGS(ASCIIDOC, [asciidoc]) if test -n "$ASCIIDOC"; then AC_MSG_CHECKING([for asciidoc version]) asciidoc_version=`$ASCIIDOC --version 2>&1` case "${asciidoc_version}" in asciidoc' '8*) ASCIIDOC8=YesPlease AC_MSG_RESULT([${asciidoc_version} > 7]) ;; asciidoc' '7*) ASCIIDOC8= AC_MSG_RESULT([${asciidoc_version}]) ;; *) ASCIIDOC8= AC_MSG_RESULT([${asciidoc_version} (unknown)]) ;; esac fi AC_SUBST(ASCIIDOC8) ## Checks for libraries. AC_MSG_NOTICE([CHECKS for libraries]) # # Define NO_OPENSSL environment variable if you do not have OpenSSL. # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin). AC_CHECK_LIB([crypto], [SHA1_Init], [NEEDS_SSL_WITH_CRYPTO=], [AC_CHECK_LIB([ssl], [SHA1_Init], [NEEDS_SSL_WITH_CRYPTO=YesPlease NEEDS_SSL_WITH_CRYPTO=], [NO_OPENSSL=YesPlease])]) AC_SUBST(NEEDS_SSL_WITH_CRYPTO) AC_SUBST(NO_OPENSSL) # # Define NO_CURL if you do not have curl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. AC_CHECK_LIB([curl], [curl_global_init], [NO_CURL=], [NO_CURL=YesPlease]) AC_SUBST(NO_CURL) # # Define NO_EXPAT if you do not have expat installed. git-http-push is # not built, and you cannot push using http:// and https:// transports. AC_CHECK_LIB([expat], [XML_ParserCreate], [NO_EXPAT=], [NO_EXPAT=YesPlease]) AC_SUBST(NO_EXPAT) # # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and # some Solaris installations). # Define NO_ICONV if neither libc nor libiconv support iconv. AC_DEFUN([ICONVTEST_SRC], [ #include <iconv.h> int main(void) { iconv_open("", ""); return 0; } ]) AC_MSG_CHECKING([for iconv in -lc]) AC_LINK_IFELSE(ICONVTEST_SRC, [AC_MSG_RESULT([yes]) NEEDS_LIBICONV=], [AC_MSG_RESULT([no]) old_LIBS="$LIBS" LIBS="$LIBS -liconv" AC_MSG_CHECKING([for iconv in -liconv]) AC_LINK_IFELSE(ICONVTEST_SRC, [AC_MSG_RESULT([yes]) NEEDS_LIBICONV=YesPlease], [AC_MSG_RESULT([no]) NO_ICONV=YesPlease]) LIBS="$old_LIBS"]) AC_SUBST(NEEDS_LIBICONV) AC_SUBST(NO_ICONV) test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv" # # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. AC_DEFUN([ZLIBTEST_SRC], [ #include <zlib.h> int main(void) { deflateBound(0, 0); return 0; } ]) AC_MSG_CHECKING([for deflateBound in -lz]) old_LIBS="$LIBS" LIBS="$LIBS -lz" AC_LINK_IFELSE(ZLIBTEST_SRC, [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) NO_DEFLATE_BOUND=yes]) LIBS="$old_LIBS" AC_SUBST(NO_DEFLATE_BOUND) # # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, # Patrick Mauritz). AC_CHECK_LIB([c], [socket], [NEEDS_SOCKET=], [NEEDS_SOCKET=YesPlease]) AC_SUBST(NEEDS_SOCKET) test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" ## Checks for header files. AC_MSG_NOTICE([CHECKS for header files]) # # Define NO_SYS_SELECT_H if you don't have sys/select.h. AC_CHECK_HEADER([sys/select.h], [NO_SYS_SELECT_H=], [NO_SYS_SELECT_H=UnfortunatelyYes]) AC_SUBST(NO_SYS_SELECT_H) # # Define OLD_ICONV if your library has an old iconv(), where the second # (input buffer pointer) parameter is declared with type (const char **). AC_DEFUN([OLDICONVTEST_SRC], [[ #include <iconv.h> extern size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); int main(void) { return 0; } ]]) AC_MSG_CHECKING([for old iconv()]) AC_COMPILE_IFELSE(OLDICONVTEST_SRC, [AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes]) OLD_ICONV=UnfortunatelyYes]) AC_SUBST(OLD_ICONV) ## Checks for typedefs, structures, and compiler characteristics. AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) # # Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. AC_CHECK_MEMBER(struct dirent.d_ino, [NO_D_INO_IN_DIRENT=], [NO_D_INO_IN_DIRENT=YesPlease], [#include <dirent.h>]) AC_SUBST(NO_D_INO_IN_DIRENT) # # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks # d_type in struct dirent (latest Cygwin -- will be fixed soonish). AC_CHECK_MEMBER(struct dirent.d_type, [NO_D_TYPE_IN_DIRENT=], [NO_D_TYPE_IN_DIRENT=YesPlease], [#include <dirent.h>]) AC_SUBST(NO_D_TYPE_IN_DIRENT) # # Define NO_SOCKADDR_STORAGE if your platform does not have struct # sockaddr_storage. AC_CHECK_TYPE(struct sockaddr_storage, [NO_SOCKADDR_STORAGE=], [NO_SOCKADDR_STORAGE=YesPlease],[ #include <sys/types.h> #include <sys/socket.h> ]) AC_SUBST(NO_SOCKADDR_STORAGE) # # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). AC_CHECK_TYPE([struct addrinfo],[ AC_CHECK_FUNC([getaddrinfo], [NO_IPV6=], [NO_IPV6=YesPlease]) ],[NO_IPV6=YesPlease],[ #include <sys/types.h> #include <sys/socket.h> #include <netdb.h> ]) AC_SUBST(NO_IPV6) # # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.) # do not support the 'size specifiers' introduced by C99, namely ll, hh, # j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t). # some C compilers supported these specifiers prior to C99 as an extension. AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers], [ac_cv_c_c99_format], [# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c AC_RUN_IFELSE( [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [[char buf[64]; if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5) return 1; else if (strcmp(buf, "12345")) return 2;]])], [ac_cv_c_c99_format=yes], [ac_cv_c_c99_format=no]) ]) if test $ac_cv_c_c99_format = no; then NO_C99_FORMAT=YesPlease else NO_C99_FORMAT= fi AC_SUBST(NO_C99_FORMAT) ## Checks for library functions. ## (in default C library and libraries checked by AC_CHECK_LIB) AC_MSG_NOTICE([CHECKS for library functions]) # # Define NO_STRCASESTR if you don't have strcasestr. AC_CHECK_FUNC(strcasestr, [NO_STRCASESTR=], [NO_STRCASESTR=YesPlease]) AC_SUBST(NO_STRCASESTR) # # Define NO_MEMMEM if you don't have memmem. AC_CHECK_FUNC(memmem, [NO_MEMMEM=], [NO_MEMMEM=YesPlease]) AC_SUBST(NO_MEMMEM) # # Define NO_STRLCPY if you don't have strlcpy. AC_CHECK_FUNC(strlcpy, [NO_STRLCPY=], [NO_STRLCPY=YesPlease]) AC_SUBST(NO_STRLCPY) # # Define NO_STRTOUMAX if you don't have strtoumax in the C library. AC_CHECK_FUNC(strtoumax, [NO_STRTOUMAX=], [NO_STRTOUMAX=YesPlease]) AC_SUBST(NO_STRTOUMAX) # # Define NO_SETENV if you don't have setenv in the C library. AC_CHECK_FUNC(setenv, [NO_SETENV=], [NO_SETENV=YesPlease]) AC_SUBST(NO_SETENV) # # Define NO_UNSETENV if you don't have unsetenv in the C library. AC_CHECK_FUNC(unsetenv, [NO_UNSETENV=], [NO_UNSETENV=YesPlease]) AC_SUBST(NO_UNSETENV) # # Define NO_MKDTEMP if you don't have mkdtemp in the C library. AC_CHECK_FUNC(mkdtemp, [NO_MKDTEMP=], [NO_MKDTEMP=YesPlease]) AC_SUBST(NO_MKDTEMP) # # Define NO_MMAP if you want to avoid mmap. # # Define NO_ICONV if your libc does not properly support iconv. ## Other checks. # Define USE_PIC if you need the main git objects to be built with -fPIC # in order to build and link perl/Git.so. x86-64 seems to need this. # # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link. # Enable it on Windows. By default, symrefs are still used. ## Site configuration (override autodetection) ## --with-PACKAGE[=ARG] and --without-PACKAGE AC_MSG_NOTICE([CHECKS for site configuration]) # # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability # tests. These tests take up a significant amount of the total test time # but are not needed unless you plan to talk to SVN repos. # # Define MOZILLA_SHA1 environment variable when running make to make use of # a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default # choice) has very fast version optimized for i586. # # Define PPC_SHA1 environment variable when running make to make use of # a bundled SHA1 routine optimized for PowerPC. # # Define ARM_SHA1 environment variable when running make to make use of # a bundled SHA1 routine optimized for ARM. # # Define NO_OPENSSL environment variable if you do not have OpenSSL. # This also implies MOZILLA_SHA1. # # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in # /foo/bar/include and /foo/bar/lib directories. AC_ARG_WITH(openssl, AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\ GIT_PARSE_WITH(openssl)) # # Define NO_CURL if you do not have curl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. # # Define CURLDIR=/foo/bar if your curl header and library files are in # /foo/bar/include and /foo/bar/lib directories. AC_ARG_WITH(curl, AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)]) AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]), GIT_PARSE_WITH(curl)) # # Define NO_EXPAT if you do not have expat installed. git-http-push is # not built, and you cannot push using http:// and https:// transports. # # Define EXPATDIR=/foo/bar if your expat header and library files are in # /foo/bar/include and /foo/bar/lib directories. AC_ARG_WITH(expat, AS_HELP_STRING([--with-expat], [support git-push using http:// and https:// transports via WebDAV (default is YES)]) AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]), GIT_PARSE_WITH(expat)) # # Define NO_FINK if you are building on Darwin/Mac OS X, have Fink # installed in /sw, but don't want GIT to link against any libraries # installed there. If defined you may specify your own (or Fink's) # include directories and library directories by defining CFLAGS # and LDFLAGS appropriately. # # Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X, # have DarwinPorts installed in /opt/local, but don't want GIT to # link against any libraries installed there. If defined you may # specify your own (or DarwinPort's) include directories and # library directories by defining CFLAGS and LDFLAGS appropriately. # # Define NO_MMAP if you want to avoid mmap. # # Define NO_ICONV if your libc does not properly support iconv. AC_ARG_WITH(iconv, AS_HELP_STRING([--without-iconv], [if your architecture doesn't properly support iconv]) AS_HELP_STRING([--with-iconv=PATH], [PATH is prefix for libiconv library and headers]) AS_HELP_STRING([], [used only if you need linking with libiconv]), GIT_PARSE_WITH(iconv)) ## --enable-FEATURE[=ARG] and --disable-FEATURE # # Define USE_NSEC below if you want git to care about sub-second file mtimes # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely # randomly break unless your underlying filesystem supports those sub-second # times (my ext3 doesn't). # # Define USE_STDEV below if you want git to care about the underlying device # change being considered an inode change from the update-index perspective. ## Output files AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) AC_OUTPUT ## Cleanup rm -f "${config_append}"