#
# DESCRIPTION
#
-# Any compiler flag that "hardens" or tests code.
+# Any compiler flag that "hardens" or tests code. C99 is assumed.
#
# NOTE: Implementation based on AX_APPEND_FLAG.
#
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#serial 1
+# The Following flags are not checked for
+# -Wdeclaration-after-statement is counter to C99
+# AX_APPEND_COMPILE_FLAGS([-std=c++11]) -- Not ready yet
+# AX_APPEND_COMPILE_FLAGS([-pedantic]) -- ?
+# AX_APPEND_COMPILE_FLAGS([-Wstack-protector]) -- Issues on 32bit compile
+# AX_APPEND_COMPILE_FLAGS([-fstack-protector-all]) -- Issues on 32bit compile
+# AX_APPEND_COMPILE_FLAGS([-Wlong-long]) -- Don't turn on for compatibility issues memcached_stat_st
-AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
-[AC_REQUIRE([AX_CHECK_COMPILE_FLAG])
-AC_REQUIRE([AX_APPEND_FLAG])
-AC_REQUIRE([AX_CHECK_LINK_FLAG])
-AX_APPEND_COMPILE_FLAGS([-O2])
-AX_APPEND_COMPILE_FLAGS([-Werror])
-AX_APPEND_COMPILE_FLAGS([-Wall])
-AX_APPEND_COMPILE_FLAGS([-Wextra])
-AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized])
-AX_APPEND_COMPILE_FLAGS([-Wsign-compare])
-AX_APPEND_COMPILE_FLAGS([-Wunused-result])
-AX_APPEND_COMPILE_FLAGS([-Wunused-variable])
-AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all])
-AX_APPEND_COMPILE_FLAGS([-fstack-protector-all])
-AX_APPEND_COMPILE_FLAGS([-ggdb])
-AX_APPEND_COMPILE_FLAGS([-fstack-protector-all])
-AX_APPEND_COMPILE_FLAGS([-Wstack-protector])
-AX_APPEND_COMPILE_FLAGS([-fwrapv])
-AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2])
-AX_APPEND_COMPILE_FLAGS([--param],[ssp-buffer-size=1])
-AX_CHECK_LINK_FLAG([-Werror])
-AX_CHECK_LINK_FLAG([-z relro -z now])
-])dnl AX_HARDEN_COMPILER_FLAGS
+#serial 2
+
+ AC_DEFUN([AX_HARDEN_C_COMPILER_FLAGS], [
+ AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
+ AC_REQUIRE([AX_CHECK_LINK_FLAG])
+ AC_REQUIRE([AX_VCS_CHECKOUT])
+
+ AC_LANG_PUSH([C])
+ AX_APPEND_COMPILE_FLAGS([-O2])
+ AX_APPEND_COMPILE_FLAGS([-Werror])
+ AX_APPEND_COMPILE_FLAGS([-Wall])
+ AX_APPEND_COMPILE_FLAGS([-Wextra])
+ AX_APPEND_COMPILE_FLAGS([-std=c99])
+ AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast])
+ AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes])
+ AX_APPEND_COMPILE_FLAGS([-Wnested-externs])
+ AX_APPEND_COMPILE_FLAGS([-Wold-style-definition])
+ AX_APPEND_COMPILE_FLAGS([-Woverride-init])
+ AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes])
+ AX_APPEND_COMPILE_FLAGS([-Wlogical-op])
+ AC_LANG_POP
+ ])
+
+ AC_DEFUN([AX_HARDEN_CC_COMPILER_FLAGS], [
+ AC_REQUIRE([AX_HARDEN_C_COMPILER_FLAGS])
+ AC_LANG_PUSH([C++])
+ AX_APPEND_COMPILE_FLAGS([-O2])
+ AX_APPEND_COMPILE_FLAGS([-Werror])
+ AX_APPEND_COMPILE_FLAGS([-Wall])
+ AX_APPEND_COMPILE_FLAGS([-Wextra])
+ AX_APPEND_COMPILE_FLAGS([-Wpragmas])
+ AX_APPEND_COMPILE_FLAGS([--paramssp-buffer-size=1])
+ AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2])
+ AX_APPEND_COMPILE_FLAGS([-Waddress])
+ AX_APPEND_COMPILE_FLAGS([-Warray-bounds])
+ AX_APPEND_COMPILE_FLAGS([-Wchar-subscripts])
+ AX_APPEND_COMPILE_FLAGS([-Wcomment])
+ AX_APPEND_COMPILE_FLAGS([-Wctor-dtor-privacy])
+ AX_APPEND_COMPILE_FLAGS([-Wfloat-equal])
+ AX_APPEND_COMPILE_FLAGS([-Wformat=2])
+ AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized])
+ AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers])
+ AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn])
+ AX_APPEND_COMPILE_FLAGS([-Wlogical-op])
+ AX_APPEND_COMPILE_FLAGS([-Wnon-virtual-dtor])
+ AX_APPEND_COMPILE_FLAGS([-Wnormalized=id])
+ AX_APPEND_COMPILE_FLAGS([-Woverloaded-virtual])
+ AX_APPEND_COMPILE_FLAGS([-Wpointer-arith])
+ AX_APPEND_COMPILE_FLAGS([-Wredundant-decls])
+ AX_APPEND_COMPILE_FLAGS([-Wshadow])
+ AX_APPEND_COMPILE_FLAGS([-Wshorten-64-to-32])
+ AX_APPEND_COMPILE_FLAGS([-Wsign-compare])
+ AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1])
+ AX_APPEND_COMPILE_FLAGS([-Wswitch-enum])
+ AX_APPEND_COMPILE_FLAGS([-Wundef])
+ AX_APPEND_COMPILE_FLAGS([-Wunused-result])
+ AX_APPEND_COMPILE_FLAGS([-Wunused-variable])
+ AX_APPEND_COMPILE_FLAGS([-Wwrite-strings])
+ AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all])
+ AX_APPEND_COMPILE_FLAGS([-fwrapv])
+ AX_APPEND_COMPILE_FLAGS([-ggdb])
+ AX_CHECK_LINK_FLAG([-Werror])
+ AX_CHECK_LINK_FLAG([-z relro -z now])
+ AC_LANG_POP
+ ])