diff --git a/configure b/configure index 6673a45efa..6585e46134 100755 --- a/configure +++ b/configure @@ -3459,11 +3459,13 @@ elif enabled gcc; then check_cflags -fno-tree-vectorize check_cflags -Werror=implicit-function-declaration check_cflags -Werror=missing-prototypes + check_cflags -Werror=return-type elif enabled llvm_gcc; then check_cflags -mllvm -stack-alignment=16 elif enabled clang; then check_cflags -mllvm -stack-alignment=16 check_cflags -Qunused-arguments + check_cflags -Werror=return-type elif enabled armcc; then # 2523: use of inline assembler is deprecated add_cflags -W${armcc_opt},--diag_suppress=2523