# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
-AC_INIT([git], [1.4.2], [git@vger.kernel.org])
+AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
AC_CONFIG_SRCDIR([git.c])
# 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=$withval); \
+fi \
+])# GIT_PARSE_WITH
+
+
+## Site configuration related to programs (before tests)
+## --with-PACKAGE[=ARG] and --without-PACKAGE
+#
+# Define SHELL_PATH to provide path to shell.
+GIT_ARG_SET_PATH(shell)
+#
+# Define PERL_PATH to provide path to Perl.
+GIT_ARG_SET_PATH(perl)
+#
+# Define PYTHON_PATH to provide path to Python.
+AC_ARG_WITH(python,[AS_HELP_STRING([--with-python=PATH], [provide PATH to python])
+AS_HELP_STRING([--without-python], [don't use python scripts])],
+ [if test "$withval" = "no"; then \
+ NO_PYTHON=YesPlease; \
+ elif test "$withval" = "yes"; then \
+ NO_PYTHON=; \
+ else \
+ NO_PYTHON=; \
+ PYTHON_PATH=$withval; \
+ fi; \
+ ])
+AC_SUBST(NO_PYTHON)
+AC_SUBST(PYTHON_PATH)
## Checks for programs.
AC_MSG_NOTICE([CHECKS for programs])
#
-AC_PROG_CC
+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])
#
-# Define NO_PYTHON if you want to lose all benefits of the recursive merge.
+# Define PYTHON_PATH to provide path to Python.
+if test -z "$NO_PYTHON"; then
+ if test -z "$PYTHON_PATH"; then
+ AC_PATH_PROGS(PYTHON_PATH, [python python2.4 python2.3 python2])
+ fi
+ if test -n "$PYTHON_PATH"; then
+ GIT_CONF_APPEND_LINE([PYTHON_PATH=@PYTHON_PATH@])
+ NO_PYTHON=""
+ fi
+fi
## Checks for libraries.
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
-AC_CHECK_LIB([ssl], [SHA1_Init],[],
-[AC_CHECK_LIB([crypto], [SHA1_INIT],
- [GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=YesPlease)],
- [GIT_CONF_APPEND_LINE(NO_OPENSSL=YesPlease)])])
+AC_CHECK_LIB([crypto], [SHA1_Init],
+[NEEDS_SSL_WITH_CRYPTO=],
+[AC_CHECK_LIB([ssl], [SHA1_Init],
+ [NEEDS_SSL_WITH_CRYPTO=YesPlease
+ NEEDS_SSL_WITH_CRYPTO=],
+ [NO_OPENSSL=YesPlease])])
+AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
+AC_SUBST(NO_OPENSSL)
#
# Define NO_CURL if you do not have curl installed. git-http-pull and
# git-http-push are not built, and you cannot use http:// and https://
# transports.
-AC_CHECK_LIB([curl], [curl_global_init],[],
-[GIT_CONF_APPEND_LINE(NO_CURL=YesPlease)])
+AC_CHECK_LIB([curl], [curl_global_init],
+[NO_CURL=],
+[NO_CURL=YesPlease])
+AC_SUBST(NO_CURL)
#
# Define NO_EXPAT if you do not have expat installed. git-http-push is
# not built, and you cannot push using http:// and https:// transports.
-AC_CHECK_LIB([expat], [XML_ParserCreate],[],
-[GIT_CONF_APPEND_LINE(NO_EXPAT=YesPlease)])
+AC_CHECK_LIB([expat], [XML_ParserCreate],
+[NO_EXPAT=],
+[NO_EXPAT=YesPlease])
+AC_SUBST(NO_EXPAT)
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
-AC_CHECK_LIB([c], [iconv],[],
-[AC_CHECK_LIB([iconv],[iconv],
- [GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=YesPlease)],[])])
+# Define NO_ICONV if neither libc nor libiconv support iconv.
+AC_CHECK_LIB([c], [iconv],
+ [NEEDS_LIBICONV=],
+ AC_CHECK_LIB([iconv], [iconv],
+ [NEEDS_LIBICONV=YesPlease],
+ [NO_ICONV=YesPlease]))
+AC_SUBST(NEEDS_LIBICONV)
+AC_SUBST(NO_ICONV)
+test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
#
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
# Patrick Mauritz).
-AC_CHECK_LIB([c], [socket],[],
-[AC_CHECK_LIB([socket],[socket],
- [GIT_CONF_APPEND_LINE(NEEDS_SOCKET=YesPlease)],[])])
+AC_CHECK_LIB([c], [socket],
+[NEEDS_SOCKET=],
+[NEEDS_SOCKET=YesPlease])
+AC_SUBST(NEEDS_SOCKET)
+test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
## Checks for header files.
AC_MSG_NOTICE([CHECKS for 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,[],
-[GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease)],
+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,[],
-[GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease)],
+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,[],
-[GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)],
-[#include <netinet/in.h>])
+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.
AC_MSG_NOTICE([CHECKS for library functions])
#
# Define NO_STRCASESTR if you don't have strcasestr.
-AC_CHECK_FUNC(strcasestr,[],
-[GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease)])
+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,[],
-[GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease)])
+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,[],
-[GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)])
+AC_CHECK_FUNC(setenv,
+[NO_SETENV=],
+[NO_SETENV=YesPlease])
+AC_SUBST(NO_SETENV)
#
# Define NO_MMAP if you want to avoid mmap.
#
-# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
-#
# Define NO_ICONV if your libc does not properly support iconv.
# Enable it on Windows. By default, symrefs are still used.
#
# Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
+AC_CACHE_CHECK([for subprocess.py],
+ [ac_cv_python_has_subprocess_py],
+[if $PYTHON_PATH -c 'import subprocess' 2>/dev/null; then
+ ac_cv_python_has_subprocess_py=yes
+else
+ ac_cv_python_has_subprocess_py=no
+fi])
+if test $ac_cv_python_has_subprocess_py != yes; then
+ GIT_CONF_APPEND_LINE([WITH_OWN_SUBPROCESS_PY=YesPlease])
+fi
#
# Define NO_ACCURATE_DIFF if your diff program at least sometimes misses
# a missing newline at the end of the file.
-## Site configuration
+## Site configuration (override autodetection)
## --with-PACKAGE[=ARG] and --without-PACKAGE
-# Define NO_SVN_TESTS if you want to skip time-consuming SVN interopability
+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 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 NO_MMAP if you want to avoid mmap.
+# 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_PYTHON if you want to loose all benefits of the recursive merge.
+# 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 COLLISION_CHECK below if you believe that SHA1's
# 1461501637330902918203684832716283019655932542976 hashes do not give you
# sufficient guarantee that no collisions between objects will ever happen.