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don't append flags like -O0/-Os which clobber the user's settings
--- a/configure.ac
+++ b/configure.ac
@@ -539,25 +539,6 @@ AC_PROG_EGREP
echo "--------------------- Default compilation flags -------------------------------"
echo host is $host
echo host_os is $host_os
-case $host_os in
-freebsd*)
- echo "Using FreeBSD specific compiler settings"
- # Put FreeBSD specific compiler flags here
- ;;
-*)
- echo "Using non-specific system compiler settings"
- if test x"$enable_debug" = xyes; then
- # AC_PROG_CC already sets CFLAGS to "-g -O2" by default,
- # but only if CFLAGS was not previously set.
- #:
- # Use -O0 in debug so that variables do not get optimized out
- AX_CFLAGS_GCC_OPTION([-O0, -g])
- else
- # add optimise for size
- AX_CFLAGS_GCC_OPTION([-Os])
- fi
- ;;
-esac
AX_CFLAGS_WARN_ALL
echo "-------------------------------------------------------------------------------"
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