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ax_submodule.m4 revision 1.1 
      1 AC_DEFUN([AX_SUBMODULE],
      2 [
      3 
      4 m4_if(m4_bregexp($2,|,choice),choice,
      5 	[AC_ARG_WITH($1,
      6 		[AS_HELP_STRING([--with-$1=$2],
      7 				[Which $1 to use [default=$3]])])])
      8 case "system" in
      9 $2)
     10 	AC_ARG_WITH($1_prefix,
     11 		    [AS_HELP_STRING([--with-$1-prefix=DIR],
     12 				    [Prefix of $1 installation])])
     13 	AC_ARG_WITH($1_exec_prefix,
     14 		    [AS_HELP_STRING([--with-$1-exec-prefix=DIR],
     15 				    [Exec prefix of $1 installation])])
     16 esac
     17 m4_if(m4_bregexp($2,build,build),build,
     18 	[AC_ARG_WITH($1_builddir,
     19 		[AS_HELP_STRING([--with-$1-builddir=DIR],
     20 				[Location of $1 builddir])])])
     21 if test "x$with_$1_prefix" != "x" -a "x$with_$1_exec_prefix" = "x"; then
     22 	with_$1_exec_prefix=$with_$1_prefix
     23 fi
     24 if test "x$with_$1_prefix" != "x" -o "x$with_$1_exec_prefix" != "x"; then
     25 	if test "x$with_$1" != "x" -a "x$with_$1" != "xyes" -a "x$with_$1" != "xsystem"; then
     26 		AC_MSG_ERROR([Setting $with_$1_prefix implies use of system $1])
     27 	fi
     28 	with_$1="system"
     29 fi
     30 if test "x$with_$1_builddir" != "x"; then
     31 	if test "x$with_$1" != "x" -a "x$with_$1" != "xyes" -a "x$with_$1" != "xbuild"; then
     32 		AC_MSG_ERROR([Setting $with_$1_builddir implies use of build $1])
     33 	fi
     34 	with_$1="build"
     35 	$1_srcdir=`echo @abs_srcdir@ | $with_$1_builddir/config.status --file=-`
     36 	AC_MSG_NOTICE($1 sources in $$1_srcdir)
     37 fi
     38 if test "x$with_$1_exec_prefix" != "x"; then
     39 	export PKG_CONFIG_PATH="$with_$1_exec_prefix/lib/pkgconfig${PKG_CONFIG_PATH+:$PKG_CONFIG_PATH}"
     40 fi
     41 case "$with_$1" in
     42 $2)
     43 	;;
     44 *)
     45 	case "$3" in
     46 	bundled)
     47 		if test -d $srcdir/.git -a \
     48 			-d $srcdir/$1 -a \
     49 			! -d $srcdir/$1/.git; then
     50 			AC_MSG_WARN([git repo detected, but submodule $1 not initialized])
     51 			AC_MSG_WARN([You may want to run])
     52 			AC_MSG_WARN([	git submodule init])
     53 			AC_MSG_WARN([	git submodule update])
     54 			AC_MSG_WARN([	sh autogen.sh])
     55 		fi
     56 		if test -f $srcdir/$1/configure; then
     57 			with_$1="bundled"
     58 		else
     59 			with_$1="no"
     60 		fi
     61 		;;
     62 	*)
     63 		with_$1="$3"
     64 		;;
     65 	esac
     66 	;;
     67 esac
     68 AC_MSG_CHECKING([which $1 to use])
     69 AC_MSG_RESULT($with_$1)
     70 
     71 ])
     72