diff --git a/SWIG/Examples/Makefile.in b/SWIG/Examples/Makefile.in
index 8a45c0564..cb692e9a1 100644
--- a/SWIG/Examples/Makefile.in
+++ b/SWIG/Examples/Makefile.in
@@ -24,7 +24,7 @@
 TARGET     =
 CC         = @CC@
 CXX        = @CXX@
-CFLAGS     =
+CFLAGS     = @PLATFLAGS@
 prefix     = @prefix@
 exec_prefix= @exec_prefix@
 SRCS       =
diff --git a/SWIG/configure.in b/SWIG/configure.in
index 71b6e433e..2efb54a05 100644
--- a/SWIG/configure.in
+++ b/SWIG/configure.in
@@ -270,6 +270,16 @@ case $host in
    *) LIBTOOL_NO_UNDEFINED="-no-undefined";;
 esac
 
+# Optional CFLAGS used to silence compiler warnings on some platforms.
+
+AC_SUBST(PLATFLAGS)
+case $host in
+   *-*-darwin*) PLATFLAGS="-Wno-long-double";;
+   *) PLATFLAGS="";;
+esac
+
+
+
 echo ""
 echo "Checking for installed packages."
 echo "Note : None of the following packages are required to compile SWIG"