X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=m4%2Fax_harden_compiler_flags.m4;h=4cdf01478b81c58cb2885105faa33a97ae9bf437;hb=381c98f0967635bf58f70f6666c7f56dbf1b8e76;hp=65cfdf5fb4d832cbec56394f8d0ce7a6e47617aa;hpb=8f57b3b4586bca9dc17266a29e6384ac542c1c86;p=awesomized%2Flibmemcached

diff --git a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4
index 65cfdf5f..4cdf0147 100644
--- a/m4/ax_harden_compiler_flags.m4
+++ b/m4/ax_harden_compiler_flags.m4
@@ -8,7 +8,7 @@
 #
 # 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.
 #
@@ -45,53 +45,74 @@
 #  (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
+# 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
+
 #serial 1
 
-AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
-[AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
-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])
-dnl AX_APPEND_COMPILE_FLAGS([-std=c++11])
-AX_APPEND_COMPILE_FLAGS([-Wpragmas])
-dnl AX_APPEND_COMPILE_FLAGS([-pedantic])
-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([-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([-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([-Wmissing-prototypes])
-AX_APPEND_COMPILE_FLAGS([-Wnested-externs])
-AX_APPEND_COMPILE_FLAGS([-Wnormalized=id])
-AX_APPEND_COMPILE_FLAGS([-Wold-style-definition])
-AX_APPEND_COMPILE_FLAGS([-Woverride-init])
-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([-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([-Wunused-variable])
-AX_APPEND_COMPILE_FLAGS([-Wwrite-strings])
-AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all])
-AX_APPEND_COMPILE_FLAGS([-fstack-protector-all])
-AX_APPEND_COMPILE_FLAGS([-fwrapv])
-AX_APPEND_COMPILE_FLAGS([-ggdb])
-AX_CHECK_LINK_FLAG([-Werror])
-AX_CHECK_LINK_FLAG([-z relro -z now])
-])dnl AX_HARDEN_COMPILER_FLAGS
+  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])
+      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([-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([-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
+  ])