configure: Make warnings from -Wreturn-type fatal errors

These warnings have no false positives and point to serious bugs.
12 years ago · 99853cb8d4
parent 51969a652c
commit 99853cb8d4
1 changed files with 2 additions and 0 deletions
--- a/2
+++ b/2
@ -3684,6 +3684,7 @@ elif enabled gcc; then
    check_optflags -fno-tree-vectorize
    check_cflags -Werror=implicit-function-declaration
    check_cflags -Werror=missing-prototypes
+    check_cflags -Werror=return-type
    check_cflags -Werror=declaration-after-statement
    check_cflags -Werror=vla
 elif enabled llvm_gcc; then
@ -3693,6 +3694,7 @@ elif enabled clang; then
    check_cflags -Qunused-arguments
    check_cflags -Werror=implicit-function-declaration
    check_cflags -Werror=missing-prototypes
+    check_cflags -Werror=return-type
 elif enabled armcc; then
    # 2523: use of inline assembler is deprecated
    add_cflags -W${armcc_opt},--diag_suppress=2523