X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=configure.ac;h=9d448213a0bca1f2abb0befe32a1798ed45dd79a;hb=765763202489b4981a98d6964945057fd1279774;hp=2f0a5a460d22a2c6bec9b5e032530391386e06d1;hpb=4c77c1691b039c9a02e0835b7937570d45049062;p=simgear.git

diff --git a/configure.ac b/configure.ac
index 2f0a5a46..9d448213 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,6 +113,13 @@ else
 fi
 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$with_jpeg_factory" = "xyes")
 
+# specify the plib location
+AC_ARG_WITH(plib, [  --with-plib=PREFIX      Specify the prefix path to plib])
+
+if test "x$with_plib" != "x" ; then
+    echo "plib prefix is $with_plib"
+    EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
+fi
 
 dnl Determine an extra directories to add to include/lib search paths
 case "${host}" in
@@ -127,7 +134,7 @@ case "${host}" in
     if test -d /opt/X11R6 ; then
         EXTRA_DIR2="/opt/X11R6"
     fi
-    EXTRA_DIRS="$EXTRA_DIR1 $EXTRA_DIR2"
+    EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2"
     ;;
 
 esac