X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=configure.ac;h=0afede1a48ed68220a57e6b9d6bc75ae836de932;hb=c54cea8055c02156613e94f628cc5a1b39be85c1;hp=6f828eac79f967abc190685879a9265c17e921cd;hpb=cf15a494384b128330ec45fed5ed48473ba4dfbc;p=flightgear.git

diff --git a/configure.ac b/configure.ac
index 6f828eac7..0afede1a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,14 @@ 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* | *-*-mingw32*)