AS_IF([test "x$enable_maintainer_flags" = "xyes" && test "x$GCC" = "xyes"], [check_cc_cxx_flag([-Wall], [CFLAGS="$CFLAGS -Wall"]) check_cc_cxx_flag([-Waggregate-return], [CFLAGS="$CFLAGS -Waggregate-return"]) check_cc_cxx_flag([-Wcast-align], [CFLAGS="$CFLAGS -Wcast-align"]) check_cc_cxx_flag([-Wdeclaration-after-statement], [CFLAGS="$CFLAGS -Wdeclaration-after-statement"]) check_cc_cxx_flag([-Wempty-body], [CFLAGS="$CFLAGS -Wempty-body"]) check_cc_cxx_flag([-Wformat], [CFLAGS="$CFLAGS -Wformat"]) check_cc_cxx_flag([-Wformat-nonliteral], [CFLAGS="$CFLAGS -Wformat-nonliteral"]) check_cc_cxx_flag([-Wformat-security], [CFLAGS="$CFLAGS -Wformat-security"]) check_cc_cxx_flag([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"]) check_cc_cxx_flag([-Winline], [CFLAGS="$CFLAGS -Winline"]) check_cc_cxx_flag([-Wmissing-include-dirs], [CFLAGS="$CFLAGS -Wmissing-include-dirs"]) check_cc_cxx_flag([-Wno-strict-aliasing], [CFLAGS="$CFLAGS -Wno-strict-aliasing"]) check_cc_cxx_flag([-Wno-uninitialized], [CFLAGS="$CFLAGS -Wno-uninitialized"]) check_cc_cxx_flag([-Wredundant-decls], [CFLAGS="$CFLAGS -Wredundant-decls"]) check_cc_cxx_flag([-Wreturn-type], [CFLAGS="$CFLAGS -Wreturn-type"]) check_cc_cxx_flag([-Wshadow], [CFLAGS="$CFLAGS -Wshadow"]) check_cc_cxx_flag([-Wswitch-default], [CFLAGS="$CFLAGS -Wswitch-default"]) check_cc_cxx_flag([-Wswitch-enum], [CFLAGS="$CFLAGS -Wswitch-enum"]) check_cc_cxx_flag([-Wundef], [CFLAGS="$CFLAGS -Wundef"]) check_cc_cxx_flag([-Wuninitialized], [CFLAGS="$CFLAGS -Wuninitialized"])])