--- /dev/null
+--- device-mapper.1.00.07/configure.in.orig 2003-11-21 21:58:50.000000000 +0100
++++ device-mapper.1.00.07/configure.in 2003-11-28 22:39:24.949319200 +0100
+@@ -47,10 +47,8 @@
+ AC_CANONICAL_SYSTEM
+
+ case "$host_os" in
+- linux*)
+- CFLAGS= ;;
+ darwin*)
+- CFLAGS="-no-cpp-precomp" ;;
++ CFLAGS="$CFLAGS -no-cpp-precomp" ;;
+ esac
+
+ dnl -- prefix is /usr by default, the exec_prefix default is setup later
+--- device-mapper.1.00.07/make.tmpl.in.orig 2003-11-12 18:30:29.000000000 +0100
++++ device-mapper.1.00.07/make.tmpl.in 2003-11-28 22:39:48.525735040 +0100
+@@ -61,8 +61,6 @@
+
+ ifeq ("@DEBUG@", "yes")
+ CFLAGS+=-g -fno-omit-frame-pointer -DDEBUG
+-else
+- CFLAGS+=-O2
+ endif
+
+ ifeq ("@COMPAT@", "yes")