X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=configure.ac;h=048a1d4972769184ff857fb7681bc67b2ebdfb99;hb=c07aa5b218b9f519c29b5be71fe43cd79365dd37;hp=7c2856efc92ca55e3cf03fcf1c72ffb70318f7c3;hpb=4d9e42f8f11c57b32b976a943c8ddaf6214e64b8;p=git.git

diff --git a/configure.ac b/configure.ac
index 7c2856efc..048a1d497 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,25 +23,38 @@ AC_DEFUN([GIT_CONF_APPEND_LINE],
 # GIT_ARG_SET_PATH(PROGRAM)
 # -------------------------
 # Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
+# Optional second argument allows setting NO_PROGRAM=YesPlease if
+# --without-PROGRAM version used.
 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_CONF_APPEND_PATH($1,$2)],[])
 ])# 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)
+# Optional second argument allows setting NO_PROGRAM=YesPlease if
+# --without-PROGRAM is used.
 AC_DEFUN([GIT_CONF_APPEND_PATH],
 [PROGRAM=m4_toupper($1); \
 if test "$withval" = "no"; then \
-	AC_MSG_ERROR([You cannot use git without $1]); \
+	if test -n "$2"; then \
+		m4_toupper($1)_PATH=$withval; \
+		AC_MSG_NOTICE([Disabling use of ${PROGRAM}]); \
+		GIT_CONF_APPEND_LINE(NO_${PROGRAM}=YesPlease); \
+		GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=); \
+	else \
+		AC_MSG_ERROR([You cannot use git without $1]); \
+	fi; \
 else \
 	if test "$withval" = "yes"; then \
 		AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
 	else \
+		m4_toupper($1)_PATH=$withval; \
+		AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \
 		GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
 	fi; \
 fi; \
@@ -61,10 +74,68 @@ elif test "$withval" = "yes"; then \
 	m4_toupper(NO_$1)=; \
 else \
 	m4_toupper(NO_$1)=; \
+	m4_toupper($1)DIR=$withval; \
+	AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \
 	GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
 fi \
 ])# GIT_PARSE_WITH
+#
+# GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT)
+# ---------------------
+# Set VAR to the value specied by --with-WITHNAME.
+# No verification of arguments is performed, but warnings are issued
+# if either 'yes' or 'no' is specified.
+# HELP_TEXT is presented when --help is called.
+# This is a direct way to allow setting variables in the Makefile.
+AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR],
+[AC_ARG_WITH([$1],
+ [AS_HELP_STRING([--with-$1=VALUE], $3)],
+ if test -n "$withval"; then \
+  if test "$withval" = "yes" -o "$withval" = "no"; then \
+    AC_MSG_WARN([You likely do not want either 'yes' or 'no' as]
+		     [a value for $1 ($2).  Maybe you do...?]); \
+  fi; \
+  \
+  AC_MSG_NOTICE([Setting $2 to $withval]); \
+  GIT_CONF_APPEND_LINE($2=$withval); \
+ fi)])# GIT_PARSE_WITH_SET_MAKE_VAR
+
+dnl
+dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
+dnl -----------------------------------------
+dnl Similar to AC_CHECK_FUNC, but on systems that do not generate
+dnl warnings for missing prototypes (e.g. FreeBSD when compiling without
+dnl -Wall), it does not work.  By looking for function definition in
+dnl libraries, this problem can be worked around.
+AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
+  AC_SEARCH_LIBS([$1],,
+  [$2],[$3])
+],[$3])])
 
+dnl
+dnl GIT_STASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running
+dnl tests that may want to take user settings into account.
+AC_DEFUN([GIT_STASH_FLAGS],[
+if test -n "$1"; then
+   old_CPPFLAGS="$CPPFLAGS"
+   old_LDFLAGS="$LDFLAGS"
+   CPPFLAGS="-I$1/include $CPPFLAGS"
+   LDFLAGS="-L$1/$lib $LDFLAGS"
+fi
+])
+
+dnl
+dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Restore the stashed *FLAGS values.
+AC_DEFUN([GIT_UNSTASH_FLAGS],[
+if test -n "$1"; then
+   CPPFLAGS="$old_CPPFLAGS"
+   LDFLAGS="$old_LDFLAGS"
+fi
+])
 
 ## Site configuration related to programs (before tests)
 ## --with-PACKAGE[=ARG] and --without-PACKAGE
@@ -76,9 +147,188 @@ AC_ARG_WITH([lib],
  [if test "$withval" = "no" || test "$withval" = "yes"; then \
 	AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
 else \
+	lib=$withval; \
+	AC_MSG_NOTICE([Setting lib to '$lib']); \
 	GIT_CONF_APPEND_LINE(lib=$withval); \
 fi; \
 ],[])
+
+if test -z "$lib"; then
+   AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
+   lib=lib
+fi
+
+AC_ARG_ENABLE([pthreads],
+ [AS_HELP_STRING([--enable-pthreads=FLAGS],
+  [FLAGS is the value to pass to the compiler to enable POSIX Threads.]
+  [The default if FLAGS is not specified is to try first -pthread]
+  [and then -lpthread.]
+  [--without-pthreads will disable threading.])],
+[
+if test "x$enableval" = "xyes"; then
+   AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads])
+elif test "x$enableval" != "xno"; then
+   PTHREAD_CFLAGS=$enableval
+   AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
+else
+   AC_MSG_NOTICE([POSIX Threads will be disabled.])
+   NO_PTHREADS=YesPlease
+   USER_NOPTHREAD=1
+fi],
+[
+   AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
+])
+
+# Define option to enable JavaScript minification
+AC_ARG_ENABLE([jsmin],
+[AS_HELP_STRING([--enable-jsmin=PATH],
+  [PATH is the name of a JavaScript minifier or the absolute path to one.])],
+[
+  JSMIN=$enableval;
+  AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying])
+  GIT_CONF_APPEND_LINE(JSMIN=$enableval);
+])
+
+# Define option to enable CSS minification
+AC_ARG_ENABLE([cssmin],
+[AS_HELP_STRING([--enable-cssmin=PATH],
+  [PATH is the name of a CSS minifier or the absolute path to one.])],
+[
+  CSSMIN=$enableval;
+  AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying])
+  GIT_CONF_APPEND_LINE(CSSMIN=$enableval);
+])
+
+## 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 PPC_SHA1 environment variable when running make to make use of
+# a bundled SHA1 routine optimized for PowerPC.
+#
+# Define NO_OPENSSL environment variable if you do not have OpenSSL.
+# This also implies BLK_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 USE_LIBPCRE if you have and want to use libpcre. git-grep will be
+# able to use Perl-compatible regular expressions.
+#
+# Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
+# /foo/bar/include and /foo/bar/lib directories.
+#
+AC_ARG_WITH(libpcre,
+AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)])
+AS_HELP_STRING([],           [ARG can be also prefix for libpcre library and headers]),
+if test "$withval" = "no"; then \
+	USE_LIBPCRE=; \
+elif test "$withval" = "yes"; then \
+	USE_LIBPCRE=YesPlease; \
+else
+	USE_LIBPCRE=YesPlease; \
+	LIBPCREDIR=$withval; \
+	AC_MSG_NOTICE([Setting LIBPCREDIR to $withval]); \
+	GIT_CONF_APPEND_LINE(LIBPCREDIR=$withval); \
+fi \
+)
+#
+# 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.
+
+#
+# Allow user to set ETC_GITCONFIG variable
+GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG,
+			Use VALUE instead of /etc/gitconfig as the
+			global git configuration file.
+			If VALUE is not fully qualified it will be interpreted
+			as a path relative to the computed prefix at runtime.)
+
+#
+# Allow user to set ETC_GITATTRIBUTES variable
+GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES,
+			Use VALUE instead of /etc/gitattributes as the
+			global git attributes file.
+			If VALUE is not fully qualified it will be interpreted
+			as a path relative to the computed prefix at runtime.)
+
+#
+# Allow user to set the default pager
+GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER,
+			Use VALUE as the fall-back pager instead of 'less'.
+			This is used by things like 'git log' when the user
+			does not specify a pager to use through alternate
+			methods. eg: /usr/bin/pager)
+#
+# Allow user to set the default editor
+GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR,
+			Use VALUE as the fall-back editor instead of 'vi'.
+			This is used by things like 'git commit' when the user
+			does not specify a preferred editor through other
+			methods. eg: /usr/bin/editor)
+
 #
 # Define SHELL_PATH to provide path to shell.
 GIT_ARG_SET_PATH(shell)
@@ -86,6 +336,9 @@ 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.
+GIT_ARG_SET_PATH(python, allow-without)
+#
 # Define ZLIB_PATH to provide path to zlib.
 GIT_ARG_SET_PATH(zlib)
 #
@@ -103,9 +356,48 @@ GIT_PARSE_WITH(tcltk))
 AC_MSG_NOTICE([CHECKS for programs])
 #
 AC_PROG_CC([cc gcc])
+AC_C_INLINE
+case $ac_cv_c_inline in
+  inline | yes | no)	;;
+  *)			AC_SUBST([INLINE], [$ac_cv_c_inline]) ;;
+esac
+
+# which switch to pass runtime path to dynamic libraries to the linker
+AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
+   SAVE_LDFLAGS="${LDFLAGS}"
+   LDFLAGS="${SAVE_LDFLAGS} -R /"
+   AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
+   LDFLAGS="${SAVE_LDFLAGS}"
+])
+if test "$git_cv_ld_dashr" = "yes"; then
+   AC_SUBST(CC_LD_DYNPATH, [-R])
+else
+   AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
+      SAVE_LDFLAGS="${LDFLAGS}"
+      LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
+      LDFLAGS="${SAVE_LDFLAGS}"
+   ])
+   if test "$git_cv_ld_wl_rpath" = "yes"; then
+      AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
+   else
+      AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
+         SAVE_LDFLAGS="${LDFLAGS}"
+         LDFLAGS="${SAVE_LDFLAGS} -rpath /"
+         AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
+         LDFLAGS="${SAVE_LDFLAGS}"
+      ])
+      if test "$git_cv_ld_rpath" = "yes"; then
+         AC_SUBST(CC_LD_DYNPATH, [-rpath])
+      else
+         AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
+      fi
+   fi
+fi
 #AC_PROG_INSTALL		# needs install-sh or install.sh in sources
 AC_CHECK_TOOLS(AR, [gar ar], :)
 AC_CHECK_PROGS(TAR, [gtar tar])
+AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff])
 # TCLTK_PATH will be set to some value if we want Tcl/Tk
 # or will be empty otherwise.
 if test -z "$NO_TCLTK"; then
@@ -125,23 +417,23 @@ fi
 AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
 if test -n "$ASCIIDOC"; then
 	AC_MSG_CHECKING([for asciidoc version])
-	asciidoc_version=`$ASCIIDOC --version 2>&1`
+	asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
 	case "${asciidoc_version}" in
-	asciidoc' '8*)
-		ASCIIDOC8=YesPlease
+	asciidoc' '7*)
+		ASCIIDOC7=YesPlease
 		AC_MSG_RESULT([${asciidoc_version} > 7])
 		;;
-	asciidoc' '7*)
-		ASCIIDOC8=
+	asciidoc' '8*)
+		ASCIIDOC7=
 		AC_MSG_RESULT([${asciidoc_version}])
 		;;
 	*)
-		ASCIIDOC8=
+		ASCIIDOC7=
 		AC_MSG_RESULT([${asciidoc_version} (unknown)])
 		;;
 	esac
 fi
-AC_SUBST(ASCIIDOC8)
+AC_SUBST(ASCIIDOC7)
 
 
 ## Checks for libraries.
@@ -149,79 +441,142 @@ 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).
+
+GIT_STASH_FLAGS($OPENSSLDIR)
+
 AC_CHECK_LIB([crypto], [SHA1_Init],
 [NEEDS_SSL_WITH_CRYPTO=],
 [AC_CHECK_LIB([ssl], [SHA1_Init],
- [NEEDS_SSL_WITH_CRYPTO=YesPlease
-  NEEDS_SSL_WITH_CRYPTO=],
- [NO_OPENSSL=YesPlease])])
+ [NEEDS_SSL_WITH_CRYPTO=YesPlease],
+ [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])])
+
+GIT_UNSTASH_FLAGS($OPENSSLDIR)
+
 AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
 AC_SUBST(NO_OPENSSL)
+
+#
+# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
+# able to use Perl-compatible regular expressions.
+#
+
+if test -n "$USE_LIBPCRE"; then
+
+GIT_STASH_FLAGS($LIBPCREDIR)
+
+AC_CHECK_LIB([pcre], [pcre_version],
+[USE_LIBPCRE=YesPlease],
+[USE_LIBPCRE=])
+
+GIT_UNSTASH_FLAGS($LIBPCREDIR)
+
+AC_SUBST(USE_LIBPCRE)
+
+fi
+
 #
 # Define NO_CURL if you do not have libcurl installed.  git-http-pull and
 # git-http-push are not built, and you cannot use http:// and https://
 # transports.
+
+GIT_STASH_FLAGS($CURLDIR)
+
 AC_CHECK_LIB([curl], [curl_global_init],
 [NO_CURL=],
 [NO_CURL=YesPlease])
+
+GIT_UNSTASH_FLAGS($CURLDIR)
+
 AC_SUBST(NO_CURL)
+
 #
 # Define NO_EXPAT if you do not have expat installed.  git-http-push is
 # not built, and you cannot push using http:// and https:// transports.
+
+GIT_STASH_FLAGS($EXPATDIR)
+
 AC_CHECK_LIB([expat], [XML_ParserCreate],
 [NO_EXPAT=],
 [NO_EXPAT=YesPlease])
+
+GIT_UNSTASH_FLAGS($EXPATDIR)
+
 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,
+if test -z "$NO_ICONV"; then
+
+GIT_STASH_FLAGS($ICONVDIR)
+
+AC_DEFUN([ICONVTEST_SRC],
+[AC_LANG_PROGRAM([#include <iconv.h>],
+ [iconv_open("", "");])])
+
+if test -n "$ICONVDIR"; then
+   lib_order="-liconv -lc"
+else
+   lib_order="-lc -liconv"
+fi
+
+NO_ICONV=YesPlease
+
+for l in $lib_order; do
+    if test "$l" = "-liconv"; then
+       NEEDS_LIBICONV=YesPlease
+    else
+       NEEDS_LIBICONV=
+    fi
+
+    old_LIBS="$LIBS"
+    LIBS="$LIBS $l"
+    AC_MSG_CHECKING([for iconv in $l])
+    AC_LINK_IFELSE([ICONVTEST_SRC],
 	[AC_MSG_RESULT([yes])
-	NEEDS_LIBICONV=],
-	[AC_MSG_RESULT([no])
-	old_LIBS="$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"])
+	NO_ICONV=
+	break],
+	[AC_MSG_RESULT([no])])
+    LIBS="$old_LIBS"
+done
+
+#in case of break
+LIBS="$old_LIBS"
+
+GIT_UNSTASH_FLAGS($ICONVDIR)
+
 AC_SUBST(NEEDS_LIBICONV)
 AC_SUBST(NO_ICONV)
-test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
+
+if test -n "$NO_ICONV"; then
+    NEEDS_LIBICONV=
+fi
+
+fi
+
 #
 # 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;
-}
-])
+GIT_STASH_FLAGS($ZLIB_PATH)
+
+AC_DEFUN([ZLIBTEST_SRC], [
+AC_LANG_PROGRAM([#include <zlib.h>],
+ [deflateBound(0, 0);])])
 AC_MSG_CHECKING([for deflateBound in -lz])
 old_LIBS="$LIBS"
 LIBS="$LIBS -lz"
-AC_LINK_IFELSE(ZLIBTEST_SRC,
+AC_LINK_IFELSE([ZLIBTEST_SRC],
 	[AC_MSG_RESULT([yes])],
 	[AC_MSG_RESULT([no])
 	NO_DEFLATE_BOUND=yes])
 LIBS="$old_LIBS"
+
+GIT_UNSTASH_FLAGS($ZLIB_PATH)
+
 AC_SUBST(NO_DEFLATE_BOUND)
+
 #
 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 # Patrick Mauritz).
@@ -231,6 +586,55 @@ AC_CHECK_LIB([c], [socket],
 AC_SUBST(NEEDS_SOCKET)
 test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
 
+#
+# The next few tests will define NEEDS_RESOLV if linking with
+# libresolv provides some of the functions we would normally get
+# from libc.
+NEEDS_RESOLV=
+AC_SUBST(NEEDS_RESOLV)
+#
+# Define NO_INET_NTOP if linking with -lresolv is not enough.
+# Solaris 2.7 in particular hos inet_ntop in -lresolv.
+NO_INET_NTOP=
+AC_SUBST(NO_INET_NTOP)
+AC_CHECK_FUNC([inet_ntop],
+	[],
+    [AC_CHECK_LIB([resolv], [inet_ntop],
+	    [NEEDS_RESOLV=YesPlease],
+	[NO_INET_NTOP=YesPlease])
+])
+#
+# Define NO_INET_PTON if linking with -lresolv is not enough.
+# Solaris 2.7 in particular hos inet_pton in -lresolv.
+NO_INET_PTON=
+AC_SUBST(NO_INET_PTON)
+AC_CHECK_FUNC([inet_pton],
+	[],
+    [AC_CHECK_LIB([resolv], [inet_pton],
+	    [NEEDS_RESOLV=YesPlease],
+	[NO_INET_PTON=YesPlease])
+])
+#
+# Define NO_HSTRERROR if linking with -lresolv is not enough.
+# Solaris 2.6 in particular has no hstrerror, even in -lresolv.
+NO_HSTRERROR=
+AC_CHECK_FUNC([hstrerror],
+	[],
+    [AC_CHECK_LIB([resolv], [hstrerror],
+	    [NEEDS_RESOLV=YesPlease],
+	[NO_HSTRERROR=YesPlease])
+])
+AC_SUBST(NO_HSTRERROR)
+#
+# If any of the above tests determined that -lresolv is needed at
+# build-time, also set it here for remaining configure-time checks.
+test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
+
+AC_CHECK_LIB([c], [basename],
+[NEEDS_LIBGEN=],
+[NEEDS_LIBGEN=YesPlease])
+AC_SUBST(NEEDS_LIBGEN)
+test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen"
 
 ## Checks for header files.
 AC_MSG_NOTICE([CHECKS for header files])
@@ -241,31 +645,50 @@ AC_CHECK_HEADER([sys/select.h],
 [NO_SYS_SELECT_H=UnfortunatelyYes])
 AC_SUBST(NO_SYS_SELECT_H)
 #
+# Define NO_SYS_POLL_H if you don't have sys/poll.h
+AC_CHECK_HEADER([sys/poll.h],
+[NO_SYS_POLL_H=],
+[NO_SYS_POLL_H=UnfortunatelyYes])
+AC_SUBST(NO_SYS_POLL_H)
+#
+# Define NO_INTTYPES_H if you don't have inttypes.h
+AC_CHECK_HEADER([inttypes.h],
+[NO_INTTYPES_H=],
+[NO_INTTYPES_H=UnfortunatelyYes])
+AC_SUBST(NO_INTTYPES_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], [[
+AC_DEFUN([OLDICONVTEST_SRC], [
+AC_LANG_PROGRAM([[
 #include <iconv.h>
 
 extern size_t iconv(iconv_t cd,
 		    char **inbuf, size_t *inbytesleft,
 		    char **outbuf, size_t *outbytesleft);
+]], [])])
+
+GIT_STASH_FLAGS($ICONVDIR)
 
-int main(void)
-{
-	return 0;
-}
-]])
 AC_MSG_CHECKING([for old iconv()])
-AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
+AC_COMPILE_IFELSE([OLDICONVTEST_SRC],
 	[AC_MSG_RESULT([no])],
 	[AC_MSG_RESULT([yes])
 	OLD_ICONV=UnfortunatelyYes])
-AC_SUBST(OLD_ICONV)
 
+GIT_UNSTASH_FLAGS($ICONVDIR)
+
+AC_SUBST(OLD_ICONV)
 
 ## Checks for typedefs, structures, and compiler characteristics.
 AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
 #
+TYPE_SOCKLEN_T
+case $ac_cv_type_socklen_t in
+  yes)	;;
+  *)  	AC_SUBST([SOCKLEN_T], [$git_cv_socklen_t_equiv]) ;;
+esac
+
 # 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=],
@@ -293,7 +716,7 @@ AC_SUBST(NO_SOCKADDR_STORAGE)
 #
 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 AC_CHECK_TYPE([struct addrinfo],[
- AC_CHECK_FUNC([getaddrinfo],
+ GIT_CHECK_FUNC([getaddrinfo],
   [NO_IPV6=],
   [NO_IPV6=YesPlease])
 ],[NO_IPV6=YesPlease],[
@@ -303,29 +726,26 @@ AC_CHECK_TYPE([struct addrinfo],[
 ])
 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])
+# Define NO_REGEX if you have no or inferior regex support in your C library.
+AC_CACHE_CHECK([whether the platform regex can handle null bytes],
+ [ac_cv_c_excellent_regex], [
+AC_EGREP_CPP(yippeeyeswehaveit,
+	AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
+#include <regex.h>
+],
+[#ifdef REG_STARTEND
+yippeeyeswehaveit
+#endif
+]),
+	[ac_cv_c_excellent_regex=yes],
+	[ac_cv_c_excellent_regex=no])
 ])
-if test $ac_cv_c_c99_format = no; then
-	NO_C99_FORMAT=YesPlease
+if test $ac_cv_c_excellent_regex = yes; then
+	NO_REGEX=
 else
-	NO_C99_FORMAT=
+	NO_REGEX=YesPlease
 fi
-AC_SUBST(NO_C99_FORMAT)
+AC_SUBST(NO_REGEX)
 #
 # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
 # when attempting to read from an fopen'ed directory.
@@ -386,48 +806,115 @@ AC_SUBST(SNPRINTF_RETURNS_BOGUS)
 ## (in default C library and libraries checked by AC_CHECK_LIB)
 AC_MSG_NOTICE([CHECKS for library functions])
 #
+# Define NO_LIBGEN_H if you don't have libgen.h.
+AC_CHECK_HEADER([libgen.h],
+[NO_LIBGEN_H=],
+[NO_LIBGEN_H=YesPlease])
+AC_SUBST(NO_LIBGEN_H)
+#
+# Define HAVE_PATHS_H if you have paths.h.
+AC_CHECK_HEADER([paths.h],
+[HAVE_PATHS_H=YesPlease],
+[HAVE_PATHS_H=])
+AC_SUBST(HAVE_PATHS_H)
+#
 # Define NO_STRCASESTR if you don't have strcasestr.
-AC_CHECK_FUNC(strcasestr,
+GIT_CHECK_FUNC(strcasestr,
 [NO_STRCASESTR=],
 [NO_STRCASESTR=YesPlease])
 AC_SUBST(NO_STRCASESTR)
 #
+# Define NO_STRTOK_R if you don't have strtok_r
+GIT_CHECK_FUNC(strtok_r,
+[NO_STRTOK_R=],
+[NO_STRTOK_R=YesPlease])
+AC_SUBST(NO_STRTOK_R)
+#
+# Define NO_FNMATCH if you don't have fnmatch
+GIT_CHECK_FUNC(fnmatch,
+[NO_FNMATCH=],
+[NO_FNMATCH=YesPlease])
+AC_SUBST(NO_FNMATCH)
+#
+# Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the
+# FNM_CASEFOLD GNU extension.
+AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension],
+ [ac_cv_c_excellent_fnmatch], [
+AC_EGREP_CPP(yippeeyeswehaveit,
+	AC_LANG_PROGRAM([
+#include <fnmatch.h>
+],
+[#ifdef FNM_CASEFOLD
+yippeeyeswehaveit
+#endif
+]),
+	[ac_cv_c_excellent_fnmatch=yes],
+	[ac_cv_c_excellent_fnmatch=no])
+])
+if test $ac_cv_c_excellent_fnmatch = yes; then
+	NO_FNMATCH_CASEFOLD=
+else
+	NO_FNMATCH_CASEFOLD=YesPlease
+fi
+AC_SUBST(NO_FNMATCH_CASEFOLD)
+#
 # Define NO_MEMMEM if you don't have memmem.
-AC_CHECK_FUNC(memmem,
+GIT_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,
+GIT_CHECK_FUNC(strlcpy,
 [NO_STRLCPY=],
 [NO_STRLCPY=YesPlease])
 AC_SUBST(NO_STRLCPY)
 #
+# Define NO_UINTMAX_T if your platform does not have uintmax_t
+AC_CHECK_TYPE(uintmax_t,
+[NO_UINTMAX_T=],
+[NO_UINTMAX_T=YesPlease],[
+#include <inttypes.h>
+])
+AC_SUBST(NO_UINTMAX_T)
+#
 # Define NO_STRTOUMAX if you don't have strtoumax in the C library.
-AC_CHECK_FUNC(strtoumax,
+GIT_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,
+GIT_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,
+GIT_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,
+GIT_CHECK_FUNC(mkdtemp,
 [NO_MKDTEMP=],
 [NO_MKDTEMP=YesPlease])
 AC_SUBST(NO_MKDTEMP)
 #
+# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
+GIT_CHECK_FUNC(mkstemps,
+[NO_MKSTEMPS=],
+[NO_MKSTEMPS=YesPlease])
+AC_SUBST(NO_MKSTEMPS)
+#
+# Define NO_INITGROUPS if you don't have initgroups in the C library.
+GIT_CHECK_FUNC(initgroups,
+[NO_INITGROUPS=],
+[NO_INITGROUPS=YesPlease])
+AC_SUBST(NO_INITGROUPS)
+#
+#
 # Define NO_MMAP if you want to avoid mmap.
 #
 # Define NO_ICONV if your libc does not properly support iconv.
@@ -439,93 +926,77 @@ AC_SUBST(NO_MKDTEMP)
 #
 # 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))
+# Define NO_PTHREADS if we do not have pthreads.
+#
+# Define PTHREAD_LIBS to the linker flag used for Pthread support.
+AC_DEFUN([PTHREADTEST_SRC], [
+AC_LANG_PROGRAM([[
+#include <pthread.h>
+]], [[
+	pthread_mutex_t test_mutex;
+	pthread_key_t test_key;
+	int retcode = 0;
+	retcode |= pthread_key_create(&test_key, (void *)0);
+	retcode |= pthread_mutex_init(&test_mutex,(void *)0);
+	retcode |= pthread_mutex_lock(&test_mutex);
+	retcode |= pthread_mutex_unlock(&test_mutex);
+	return retcode;
+]])])
 
-## --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.
+dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
+dnl   [[#include <pthread.h>]],
+dnl   [[pthread_mutex_t test_mutex;]]
+dnl )])
+
+NO_PTHREADS=UnfortunatelyYes
+PTHREAD_LIBS=
+
+if test -n "$USER_NOPTHREAD"; then
+   AC_MSG_NOTICE([Skipping POSIX Threads at user request.])
+# handle these separately since PTHREAD_CFLAGS could be '-lpthreads
+# -D_REENTRANT' or some such.
+elif test -z "$PTHREAD_CFLAGS"; then
+  threads_found=no
+  for opt in -mt -pthread -lpthread; do
+     old_CFLAGS="$CFLAGS"
+     CFLAGS="$opt $CFLAGS"
+     AC_MSG_CHECKING([Checking for POSIX Threads with '$opt'])
+     AC_LINK_IFELSE([PTHREADTEST_SRC],
+	[AC_MSG_RESULT([yes])
+		NO_PTHREADS=
+		PTHREAD_LIBS="$opt"
+		PTHREAD_CFLAGS="$opt"
+		threads_found=yes
+		break
+	],
+	[AC_MSG_RESULT([no])])
+      CFLAGS="$old_CFLAGS"
+  done
+  if test $threads_found != yes; then
+    AC_CHECK_LIB([pthread], [pthread_create],
+	[PTHREAD_LIBS="-lpthread"],
+	[NO_PTHREADS=UnfortunatelyYes])
+  fi
+else
+  old_CFLAGS="$CFLAGS"
+  CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
+  AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS'])
+  AC_LINK_IFELSE([PTHREADTEST_SRC],
+	[AC_MSG_RESULT([yes])
+		NO_PTHREADS=
+		PTHREAD_LIBS="$PTHREAD_CFLAGS"
+	],
+	[AC_MSG_RESULT([no])])
+
+  CFLAGS="$old_CFLAGS"
+fi
+
+CFLAGS="$old_CFLAGS"
 
+AC_SUBST(PTHREAD_CFLAGS)
+AC_SUBST(PTHREAD_LIBS)
+AC_SUBST(NO_PTHREADS)
 
 ## Output files
 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])