Update from latest ddm4

[m6w6/libmemcached] / m4 / ax_harden_compiler_flags.m4

diff --git a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4
index 7eecc0a192a7268c079f89527192cc1d2f13c374..6eeb7c91871d1e46007e50f5628a4c4a99397a5a 100644 (file)
--- a/m4/ax_harden_compiler_flags.m4
+++ b/m4/ax_harden_compiler_flags.m4
@@ -84,15 +84,18 @@
 
       AX_APPEND_COMPILE_FLAGS([-Wall])
       AX_APPEND_COMPILE_FLAGS([-Wextra])
+      AX_APPEND_COMPILE_FLAGS([-std=c99])
       AX_APPEND_COMPILE_FLAGS([-Wpragmas])
+      dnl Anything below this comment please keep sorted.
       AX_APPEND_COMPILE_FLAGS([--paramssp-buffer-size=1])
       AX_APPEND_COMPILE_FLAGS([-Waddress])
       AX_APPEND_COMPILE_FLAGS([-Warray-bounds])
       AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast])
+      AX_APPEND_COMPILE_FLAGS([-Wc++-compat])
       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-security])
       AX_APPEND_COMPILE_FLAGS([-Wformat=2])
       AX_APPEND_COMPILE_FLAGS([-Wlogical-op])
       AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized])
@@ -100,12 +103,11 @@
       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([-Woverloaded-virtual])
       AX_APPEND_COMPILE_FLAGS([-Woverride-init])
       AX_APPEND_COMPILE_FLAGS([-Wpointer-arith])
+      AX_APPEND_COMPILE_FLAGS([-Wpointer-sign])
       AX_APPEND_COMPILE_FLAGS([-Wredundant-decls])
       AX_APPEND_COMPILE_FLAGS([-Wshadow])
       AX_APPEND_COMPILE_FLAGS([-Wshorten-64-to-32])
@@ -117,11 +119,9 @@
       AX_APPEND_COMPILE_FLAGS([-Wunused-result])
       AX_APPEND_COMPILE_FLAGS([-Wunused-variable])
       AX_APPEND_COMPILE_FLAGS([-Wwrite-strings])
-      AX_APPEND_COMPILE_FLAGS([-fPIE])
       AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all])
       AX_APPEND_COMPILE_FLAGS([-fwrapv])
       AX_APPEND_COMPILE_FLAGS([-ggdb])
-      AX_APPEND_COMPILE_FLAGS([-std=c99])
       AC_LANG_POP
 
       ])
@@ -143,6 +143,7 @@
       AX_APPEND_COMPILE_FLAGS([-Wall])
       AX_APPEND_COMPILE_FLAGS([-Wextra])
       AX_APPEND_COMPILE_FLAGS([-Wpragmas])
+      dnl Anything below this comment please keep sorted.
       AX_APPEND_COMPILE_FLAGS([--paramssp-buffer-size=1])
       AX_APPEND_COMPILE_FLAGS([-Waddress])
       AX_APPEND_COMPILE_FLAGS([-Warray-bounds])
@@ -166,12 +167,13 @@
       AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1])
       AX_APPEND_COMPILE_FLAGS([-Wswitch-enum])
       AX_APPEND_COMPILE_FLAGS([-Wundef])
+      AX_APPEND_COMPILE_FLAGS([-Wc++11-compat])
       AX_APPEND_COMPILE_FLAGS([-Wunused-result])
       AX_APPEND_COMPILE_FLAGS([-Wunused-variable])
       AX_APPEND_COMPILE_FLAGS([-Wwrite-strings])
+      AX_APPEND_COMPILE_FLAGS([-Wformat-security])
       AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all])
       AX_APPEND_COMPILE_FLAGS([-fwrapv])
-      AX_APPEND_COMPILE_FLAGS([-fPIE])
       AX_APPEND_COMPILE_FLAGS([-ggdb])
       AC_LANG_POP
   ])