From 82ab846f133ea2b237472eb0dd78d000fea19d9d Mon Sep 17 00:00:00 2001 From: Mark Andrews Date: Wed, 22 Apr 2020 13:02:18 +1000 Subject: [PATCH] Force test for -fno-delete-null-pointer-checks to fail --- configure.ac | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 458bd6cda2..08365ae477 100644 --- a/configure.ac +++ b/configure.ac @@ -140,7 +140,8 @@ STD_CPPFLAGS="-D_FORTIFY_SOURCE=2" # AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [STD_CFLAGS="$STD_CFLAGS -fno-strict-aliasing"]) -AX_CHECK_COMPILE_FLAG([-fno-delete-null-pointer-checks], +# Clang only issues a warning so use -Werror to force a error. +AX_CHECK_COMPILE_FLAG([-Werror -fno-delete-null-pointer-checks], [STD_CFLAGS="$STD_CFLAGS -fno-delete-null-pointer-checks"]) AX_CHECK_COMPILE_FLAG([-fdiagnostics-show-option], [STD_CFLAGS="$STD_CFLAGS -fdiagnostics-show-option"])