Added optimizations support.

BLFS/envars.conf

@@ -63,3 +63,26 @@ export KDE_PREFIX=/usr
 #export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$KDE_PREFIX/lib/pkgconfig
 
 
+
+#======== Optimizations =============
+
+# Global optimization settings can be placed here. This settings can be
+# overrided by settings in the packages build scripts.
+
+# WARNING: The use of build optimizations may be dangerous.
+#   You should know what you are doing and be sure that the
+#   optimization settings placed below are what you want.
+#   It there are build issues or the system doesn't work as
+#   expected, please rebuild without optimizations before
+#   asking for support.
+
+#MAKEFLAGS="-j3"
+
+#CFLAGS="-O3 -pipe"
+#CXXFLAGS=$CFLAGS
+#LDFLAGS="-s"
+
+#OTHER_CFLAGS=$CFLAGS
+#OTHER_CXXFLAGS=$CXXFLAGS
+#OTHER_LDFLAGS=$LDFLAGS
+