Really make -Werror conditional to BUILD_WERROR Otherwise it will fail with an error message like this one: elf_getarsym.c:290:9: error: 'n' may be used uninitialized in this function [-Werror=maybe-uninitialized] arsym[n].as_name = NULL; ^ cc1: all warnings being treated as errors [Vincent: tweak patch for 0.166] Signed-off-by: "Yann E. MORIN" Signed-off-by: Vicente Olivert Riera diff -rup a/config/eu.am b/config/eu.am --- a/config/eu.am 2016-03-02 16:25:38.000000000 +0000 +++ b/config/eu.am 2016-06-17 15:05:08.270974835 +0100 @@ -65,7 +65,6 @@ AM_CFLAGS = -std=gnu99 -Wall -Wshadow -W -Wold-style-definition -Wstrict-prototypes \ $(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \ $(NULL_DEREFERENCE_WARNING) \ - $(if $($(*F)_no_Werror),,-Werror) \ $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ $(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \ $($(*F)_CFLAGS)