AX_CHECK_LINK_FLAG([-Werror])
])
AX_CHECK_LINK_FLAG([-z relro -z now])
+ AX_CHECK_LINK_FLAG([-pie])
])
AC_DEFUN([AX_HARDEN_C_COMPILER_FLAGS], [
AX_APPEND_COMPILE_FLAGS([-Wall])
AX_APPEND_COMPILE_FLAGS([-Wextra])
AX_APPEND_COMPILE_FLAGS([-std=c99])
+ AX_APPEND_COMPILE_FLAGS([-Wpragmas])
AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast])
AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes])
AX_APPEND_COMPILE_FLAGS([-Wnested-externs])
AX_APPEND_COMPILE_FLAGS([-Woverride-init])
AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes])
AX_APPEND_COMPILE_FLAGS([-Wlogical-op])
+ AX_APPEND_COMPILE_FLAGS([--paramssp-buffer-size=1])
+ 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([-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([-Wnormalized=id])
+ 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([-Wc++-compat])
+ AX_APPEND_COMPILE_FLAGS([-Wpointer-sign])
+ 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([-ggdb])
AC_LANG_POP
])
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([-ggdb])