File opal-system-libgsm.patch of Package opal

Index: opal-3.8.1/opal.m4
===================================================================
--- opal-3.6.1.orig/opal.m4
+++ opal-3.6.1/opal.m4
@@ -815,6 +815,7 @@ AC_DEFUN([OPAL_FIND_GSM],
             old_LIBS=$LIBS
             opal_gsm=no
 
+	    CFLAGS="$CFLAGS -I${prefix}/include/gsm"
             LIBS="$LIBS -lgsm"
             AC_RUN_IFELSE(
             [AC_LANG_PROGRAM([[