[patch] Patch for flag-o-matic eclass adding strip-unsupported-flags

flag-o-matic.eclass.patch (text/plain), 972 bytes, created by Douglas Russell (RETIRED) on 2003-08-11 03:08:38 UTC

--- flag-o-matic.eclass	2003-08-05 16:57:27.000000000 +0100
+++ flag-o-matic.eclass.new	2003-08-05 16:53:40.000000000 +0100
@@ -33,7 +33,9 @@
 # Sets mcpu to v8 and uses the original value
 # as mtune if none specified.
 #
-
+#### strip-unsupported-flags ####
+# Strip C[XX]FLAGS of any flags not supported by
+# installed version of gcc
 
 # C[XX]FLAGS that we allow in strip-flags
 ALLOWED_FLAGS="-O -O1 -O2 -mcpu -march -mtune -fstack-protector -pipe -g"
@@ -187,3 +189,24 @@
 		done
 	fi
 }
+
+test_flag () {
+        if gcc -S -xc $1 -o /dev/null /dev/null >/dev/null 2>&1; then
+                echo "$1"
+        fi
+}
+
+strip-unsupported-flags() {
+        for x in ${CFLAGS}
+        do
+                NEW_CFLAGS=${NEW_CFLAGS}" ""`test_flag ${x}`"
+        done
+
+        for x in ${CXXFLAGS}
+        do
+                NEW_CXXFLAGS=${NEW_CXXFLAGS}" ""`test_flag ${x}`"
+        done
+
+        CFLAGS="${NEW_CFLAGS}"
+        CXXFLAGS="${NEW_CXXFLAGS}"
+}