--- DirectFB-1.6.0/configure.in.orig 2012-06-14 18:00:08.000000000 +0200 +++ DirectFB-1.6.0/configure.in 2012-06-17 11:44:33.652503513 +0200 @@ -184,11 +184,6 @@ AC_CHECK_HEADERS(linux/compiler.h linux/unistd.h asm/page.h signal.h) -dnl Clear default CFLAGS -if test x"$CFLAGS" = x"-g -O2"; then - CFLAGS= -fi - CFLAGS="-ffast-math -pipe $CFLAGS" DFB_INTERNAL_CFLAGS="-D_GNU_SOURCE $DFB_INTERNAL_CFLAGS"