Merge pull request #117 from macvim-dev/fix/deployment_target

Re-fix #113

Author: splhack

src/auto/configure

@@ -4301,7 +4301,7 @@ rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
   else
     if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
-      macosx_deployment_target=`/usr/bin/sw_vers -productVersion|/usr/bin/sed -e 's/^\(0-9*\.0-9*\).*/\1/'`
+      macosx_deployment_target=`/usr/bin/sw_vers -productVersion|/usr/bin/sed -e 's/^\([0-9]*\.[0-9]*\).*/\1/'`
       XCODEFLAGS="$XCODEFLAGS MACOSX_DEPLOYMENT_TARGET=$macosx_deployment_target"
     fi
   fi

src/configure.in

@@ -189,7 +189,7 @@ if test "`(uname) 2>/dev/null`" = Darwin; then
         LDFLAGS="$save_ldflags" ])
   else
     if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
-      macosx_deployment_target=`/usr/bin/sw_vers -productVersion|/usr/bin/sed -e 's/^\([0-9]*\.[0-9]*\).*/\1/'`
+      macosx_deployment_target=`/usr/bin/sw_vers -productVersion|/usr/bin/sed -e 's/^\([[0-9]]*\.[[0-9]]*\).*/\1/'`
       XCODEFLAGS="$XCODEFLAGS MACOSX_DEPLOYMENT_TARGET=$macosx_deployment_target"
     fi
   fi