--- pptpd-1.3.4.orig/Makefile.in	2007-04-16 03:10:27.000000000 +0200
+++ pptpd-1.3.4/Makefile.in	2010-06-10 10:55:01.421440719 +0200
@@ -104,7 +104,7 @@ AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = -O2 -fno-builtin -Wall -DSBINDIR='"$(sbindir)"'
+CFLAGS ?= -Wall -DSBINDIR='"$(sbindir)"'
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
 CYGPATH_W = @CYGPATH_W@