#
# 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.
+# The Following flags are not checked for
+# -Wdeclaration-after-statement is counter to C99
+
#serial 1
AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
[AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
AC_REQUIRE([AX_CHECK_LINK_FLAG])
+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])
+AC_LANG_POP
+AC_LANG_PUSH([C++])
AX_APPEND_COMPILE_FLAGS([-O2])
AX_APPEND_COMPILE_FLAGS([-Werror])
AX_APPEND_COMPILE_FLAGS([-Wall])
AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2])
AX_APPEND_COMPILE_FLAGS([-Waddress])
AX_APPEND_COMPILE_FLAGS([-Warray-bounds])
-AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast])
AX_APPEND_COMPILE_FLAGS([-Wchar-subscripts])
AX_APPEND_COMPILE_FLAGS([-Wcomment])
-AX_APPEND_COMPILE_FLAGS([-Wdeclaration-after-statement])
+AX_APPEND_COMPILE_FLAGS([-Wctor-dtor-privacy])
AX_APPEND_COMPILE_FLAGS([-Wfloat-equal])
AX_APPEND_COMPILE_FLAGS([-Wformat=2])
+dnl AX_APPEND_COMPILE_FLAGS([-Wlong-long])
AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized])
AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers])
AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn])
-AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes])
-AX_APPEND_COMPILE_FLAGS([-Wnested-externs])
+AX_APPEND_COMPILE_FLAGS([-Wnon-virtual-dtor])
AX_APPEND_COMPILE_FLAGS([-Wnormalized=id])
-AX_APPEND_COMPILE_FLAGS([-Wold-style-definition])
-AX_APPEND_COMPILE_FLAGS([-Woverride-init])
+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([-Wsign-compare])
AX_APPEND_COMPILE_FLAGS([-Wstack-protector])
AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1])
-AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes])
AX_APPEND_COMPILE_FLAGS([-Wswitch-enum])
AX_APPEND_COMPILE_FLAGS([-Wundef])
AX_APPEND_COMPILE_FLAGS([-Wunused-result])
AX_APPEND_COMPILE_FLAGS([-ggdb])
AX_CHECK_LINK_FLAG([-Werror])
AX_CHECK_LINK_FLAG([-z relro -z now])
+AC_LANG_POP
])dnl AX_HARDEN_COMPILER_FLAGS