1AC_DEFUN([AX_SUBMODULE], 2[ 3 4m4_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]])])]) 8case "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])]) 16esac 17m4_if(m4_bregexp($2,build,build),build, 18 [AC_ARG_WITH($1_builddir, 19 [AS_HELP_STRING([--with-$1-builddir=DIR], 20 [Location of $1 builddir])])]) 21if test "x$with_$1_prefix" != "x" -a "x$with_$1_exec_prefix" = "x"; then 22 with_$1_exec_prefix=$with_$1_prefix 23fi 24if test "x$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_$1="system" 29fi 30if test "x$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) 37fi 38if test "x$with_$1_exec_prefix" != "x"; then 39 export PKG_CONFIG_PATH="$with_$1_exec_prefix/lib/pkgconfig${PKG_CONFIG_PATH+:$PKG_CONFIG_PATH}" 40fi 41case "$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 ;; 67esac 68AC_MSG_CHECKING([which $1 to use]) 69AC_MSG_RESULT($with_$1) 70 71]) 72