From 6777b743d2d63d8582b538200bb182e0258078b3 Mon Sep 17 00:00:00 2001 From: Mike McCormack Date: Wed, 3 Apr 2013 22:39:57 +1100 Subject: [PATCH] Check for -Wshadow warnings with globals Signed-off-by: Mike McCormack --- configure.ac | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index ec34890e81..39d6693c5e 100644 --- a/configure.ac +++ b/configure.ac @@ -357,7 +357,15 @@ EFL_CHECK_COMPILER_FLAGS([EFL], [-Wall -Wextra -Wpointer-arith -Wno-missing-fiel EFL_CHECK_LINKER_FLAGS([EFL], [-fvisibility=hidden -fdata-sections -ffunction-sections -Wl,--gc-sections -fno-strict-aliasing -Wl,--as-needed -Wl,--no-copy-dt-needed-entries]) case "${build_profile}" in dev) - EFL_CHECK_COMPILER_FLAGS([EFL], [-Wshadow]) + dnl Check if compiler has a dodgy -Wshadow that emits errors when shadowing a global + AC_MSG_CHECKING([whether -Wshadow generates spurious warnings]) + CFLAGS_save="${CFLAGS}" + CFLAGS="${CFLAGS} -Werror -Wshadow" + AC_TRY_COMPILE([int x;], [int x = 0; (void)x;], + [AC_MSG_RESULT([no]) + EFL_CHECK_COMPILER_FLAGS([EFL], [-Wshadow])], + [AC_MSG_RESULT([yes])]) + CFLAGS="${CFLAGS_save}" ;; debug)