then
         DEFS="-DDEBUG"
         MAKEOPTS="-j1"
+        CFLAGS="$CFLAGS -ggdb3 -W -Wall"
         CXXFLAGS="$CXXFLAGS -ggdb3 -W -Wall"
         DEBUG="yes"
     else
     fi
 fi
 
+CFLAGS="$CFLAGS -I/usr/local/include"
 CXXFLAGS="$CXXFLAGS -I/usr/local/include"
-LDFLAGS="$CXXFLAGS -L/usr/local/lib"
+LDFLAGS="$LDFLAGS -L/usr/local/lib"
 
 if [ "$sys" = "Linux" ]
 then