If your trying to debug and want to force -O0 then don't allow the configure script to try and set -O2. You can use --enable-debug but that enables a lot more stuff by default.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org> --- configure | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/configure b/configure index b707429..be1f354 100755 --- a/configure +++ b/configure @@ -4240,7 +4240,10 @@ if test "$gcov" = "yes" ; then CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS" LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS" elif test "$debug" = "no" ; then - CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS" + if test "${EXTRA_CFLAGS#*-O}" = "$EXTRA_CFLAGS"; then + CFLAGS="-O2 $CFLAGS" + fi + CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS" fi ########################################## -- 2.4.1