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Check for -Wshadow warnings with globals 

Signed-off-by: Mike McCormack <mike@atratus.org>
This commit is contained in:
Mike McCormack 2013-04-03 22:39:57 +11:00
parent be2cebab17
commit 6777b743d2
1 changed files with 9 additions and 1 deletions
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10
configure.ac
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@ -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)