X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=configure.ac;h=1c020f19759bd588bfd7985c22b31412c0f9d655;hb=d4a4428e648eeffadfa54895e9a0c18930e363cf;hp=fcc326d768e0c88117a9e2fe0c8759f72620dc04;hpb=84dd54b33a6d8b35e57c32194b025f79245f35c4;p=simgear.git

diff --git a/configure.ac b/configure.ac
index fcc326d7..1c020f19 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,6 +119,14 @@ if test "x$with_plib" != "x" ; then
     EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
 fi
 
+# specify the osg location
+AC_ARG_WITH(osg, [  --with-osg=PREFIX       Specify the prefix path to osg])
+
+if test "x$with_osg" != "x" ; then
+    echo "osg prefix is $with_osg"
+    EXTRA_DIRS="${EXTRA_DIRS} $with_osg"
+fi
+
 dnl Determine an extra directories to add to include/lib search paths
 case "${host}" in
 *-apple-darwin* | *-*-cygwin* | *-*-mingw32*)