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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000000..50d2b85ace --- /dev/null +++ b/configure.ac @@ -0,0 +1,375 @@ +# -*- 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=$withval); \ +fi \ +])# GIT_PARSE_WITH + + +## Site configuration related to programs (before tests) +## --with-PACKAGE[=ARG] and --without-PACKAGE +# +# Define SHELL_PATH to provide path to shell. +GIT_ARG_SET_PATH(shell) +# +# Define PERL_PATH to provide path to Perl. +GIT_ARG_SET_PATH(perl) +# +# Declare the with-tcltk/without-tcltk options. +AC_ARG_WITH(tcltk, +AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)]) +AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.]) +AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if]) +AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\ +GIT_PARSE_WITH(tcltk)) +# + + +## Checks for programs. +AC_MSG_NOTICE([CHECKS for programs]) +# +AC_PROG_CC([cc gcc]) +#AC_PROG_INSTALL # needs install-sh or install.sh in sources +AC_CHECK_TOOL(AR, ar, :) +AC_CHECK_PROGS(TAR, [gtar tar]) +# TCLTK_PATH will be set to some value if we want Tcl/Tk +# or will be empty otherwise. +if test -z "$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 + +## 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="$LIBS -liconv" +# +# Define NEEDS_SOCKET if linking with libc is not enough (SunOS, +# Patrick Mauritz). +AC_CHECK_LIB([c], [socket], +[NEEDS_SOCKET=], +[NEEDS_SOCKET=YesPlease]) +AC_SUBST(NEEDS_SOCKET) +test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket" + + +## Checks for header files. + + +## 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) + exit(1); + else if (strcmp(buf, "12345")) + exit(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_STRLCPY if you don't have strlcpy. +AC_CHECK_FUNC(strlcpy, +[NO_STRLCPY=], +[NO_STRLCPY=YesPlease]) +AC_SUBST(NO_STRLCPY) +# +# 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_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-cache perspective. + + +## Output files +AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"]) +AC_OUTPUT + + +## Cleanup +rm -f "${config_append}" |