#serial 7
+AC_DEFUN([_WARNINGS_AS_ERRORS],
+ [AC_CACHE_CHECK([if all warnings into errors],[ac_cv_warnings_as_errors],
+ [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[ac_cv_warnings_as_errors=yes],
+ [ac_cv_warnings_as_errors=no])
+ ])
+ ])
+
AC_DEFUN([_APPEND_LINK_FLAGS_ERROR],
[AC_REQUIRE([AX_APPEND_LINK_FLAGS])
AX_APPEND_LINK_FLAGS([$1],[LIB],[-Werror])
AX_APPEND_COMPILE_FLAGS([$1],,[-Werror])
])
+# Everything above this does the heavy lifting, while what follows does the specifics.
+
AC_DEFUN([_HARDEN_LINKER_FLAGS],
[_APPEND_LINK_FLAGS_ERROR([-z relro -z now])
_APPEND_LINK_FLAGS_ERROR([-pie])
AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
- [_APPEND_LINK_FLAGS_ERROR([-Werror])])
+ [AX_APPEND_LINK_FLAGS([-Werror])])
])
AC_DEFUN([_HARDEN_CC_COMPILER_FLAGS],
[AC_LANG_PUSH([C])dnl
- _APPEND_COMPILE_FLAGS_ERROR([-g])
AS_IF([test "x$ax_enable_debug" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-ggdb])
- _APPEND_COMPILE_FLAGS_ERROR([-O0])],
- [_APPEND_COMPILE_FLAGS_ERROR([-O2])])
+ [CFLAGS=''
+ _APPEND_COMPILE_FLAGS_ERROR([-ggdb])
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-O0])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-O2])])
_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])
_APPEND_COMPILE_FLAGS_ERROR([-Wall])
_APPEND_COMPILE_FLAGS_ERROR([-floop-parallelize-all])
_APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
_APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
+ _APPEND_COMPILE_FLAGS_ERROR([-pipe])
AS_IF([test "x$ax_enable_debug" = xno],
[AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
[_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
AS_IF([test "x$ac_c_gcc_recent" = xyes],
[_APPEND_COMPILE_FLAGS_ERROR([-D_FORTIFY_SOURCE=2])
- _APPEND_COMPILE_FLAGS_ERROR([-Wstack-protector])
+# _APPEND_COMPILE_FLAGS_ERROR([-Wstack-protector])
_APPEND_COMPILE_FLAGS_ERROR([-fstack-protector])
- _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all])
+# _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all])
])])])
AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
[_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])],
[_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
+ AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
+ [AX_APPEND_FLAG([-Werror])])
+
AC_LANG_POP([C])
])
[AC_LANG_PUSH([C++])
AC_REQUIRE([_APPEND_COMPILE_FLAGS_ERROR])
- _APPEND_COMPILE_FLAGS_ERROR([-g])
- AS_IF([test "x$ax_enable_debug" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-O0])
- _APPEND_COMPILE_FLAGS_ERROR([-ggdb])],
- [_APPEND_COMPILE_FLAGS_ERROR([-O2])])
+ AS_IF([test "x$ax_enable_debug" = xyes],
+ [CXXFLAGS=''
+ _APPEND_COMPILE_FLAGS_ERROR([-ggdb])
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-O0])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-O2])])
- AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])],
- [_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
+ AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
- _APPEND_COMPILE_FLAGS_ERROR([-Wall])
- _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
- _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
- _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wall])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
# Anything below this comment please keep sorted.
- _APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
+ _APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
# _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-format-attribute])
- _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
- _APPEND_COMPILE_FLAGS_ERROR([-Waddress])
- _APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
- _APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
- _APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
- _APPEND_COMPILE_FLAGS_ERROR([-Wctor-dtor-privacy])
- _APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
- _APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
- _APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
- _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
- _APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
- _APPEND_COMPILE_FLAGS_ERROR([-Wnon-virtual-dtor])
- _APPEND_COMPILE_FLAGS_ERROR([-Wnormalized=id])
- _APPEND_COMPILE_FLAGS_ERROR([-Woverloaded-virtual])
- _APPEND_COMPILE_FLAGS_ERROR([-Wpointer-arith])
- AS_IF([test "x$MINGW" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
- _APPEND_COMPILE_FLAGS_ERROR([-Wno-missing-noreturn])
- _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-noreturn])
- _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
- _APPEND_COMPILE_FLAGS_ERROR([-Wno-error=suggest-attribute=noreturn])
- _APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])],
- [_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])])
- _APPEND_COMPILE_FLAGS_ERROR([-Wshadow])
- _APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32])
- _APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare])
- _APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1])
- _APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
- _APPEND_COMPILE_FLAGS_ERROR([-Wundef])
- _APPEND_COMPILE_FLAGS_ERROR([-Wc++11-compat])
- _APPEND_COMPILE_FLAGS_ERROR([-Wunused])
- _APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
- _APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable])
- _APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings])
- _APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
- _APPEND_COMPILE_FLAGS_ERROR([-floop-parallelize-all])
- _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
- _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Waddress])
+ _APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wctor-dtor-privacy])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wnon-virtual-dtor])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wnormalized=id])
+ _APPEND_COMPILE_FLAGS_ERROR([-Woverloaded-virtual])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpointer-arith])
+ AS_IF([test "x$MINGW" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-missing-noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-error=suggest-attribute=noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wshadow])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wundef])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wc++11-compat])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
+ _APPEND_COMPILE_FLAGS_ERROR([-floop-parallelize-all])
+ _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
+ _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
+ _APPEND_COMPILE_FLAGS_ERROR([-pipe])
- AS_IF([test "x$ax_enable_debug" = xno],
- [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
- AS_IF([test "x$ac_c_gcc_recent" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-D_FORTIFY_SOURCE=2])
- _APPEND_COMPILE_FLAGS_ERROR([-Wstack-protector])
- _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector])
- _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all])
- ])])])
+ AS_IF([test "x$ax_enable_debug" = xno],
+ [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
+ AS_IF([test "x$ac_c_gcc_recent" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-D_FORTIFY_SOURCE=2])
+# _APPEND_COMPILE_FLAGS_ERROR([-Wstack-protector])
+ _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector])
+# _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all])
+ ])])])
- AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
- [_APPEND_COMPILE_FLAGS_ERROR([-Werror])])
- AC_LANG_POP([C++])
+ AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
+ [AX_APPEND_FLAG([-Werror])])
+ AC_LANG_POP([C++])
])
- AC_DEFUN([_CC_OTHER_FLAGS],
- [AC_REQUIRE([_APPEND_COMPILE_FLAGS_ERROR])
-
- AC_LANG_PUSH([C])
- _APPEND_COMPILE_FLAGS_ERROR([-pipe])
- AC_LANG_POP([C])
- ])
-
# All of the heavy lifting happens in _HARDEN_LINKER_FLAGS,
-# _HARDEN_CC_COMPILER_FLAGS, _HARDEN_CXX_COMPILER_FLAGS, _CC_OTHER_FLAGS
+# _HARDEN_CC_COMPILER_FLAGS, _HARDEN_CXX_COMPILER_FLAGS
AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
[AC_PREREQ([2.63])dnl
+ AC_REQUIRE([_WARNINGS_AS_ERRORS])
AC_REQUIRE([AX_APPEND_LINK_FLAGS])
AC_REQUIRE([AX_COMPILER_VERSION])
AC_REQUIRE([AX_DEBUG])
AC_REQUIRE([gl_VISIBILITY])
AS_IF([test -n "$CFLAG_VISIBILITY"],[CPPFLAGS="$CPPFLAGS $CFLAG_VISIBILITY"])
- AC_CACHE_CHECK([if all warnings into errors],[ac_cv_warnings_as_errors],
- [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[ac_cv_warnings_as_errors=yes],
- [ac_cv_warnings_as_errors=no])
- ])
-
AC_REQUIRE([_HARDEN_LINKER_FLAGS])
AC_REQUIRE([_HARDEN_CC_COMPILER_FLAGS])
AC_REQUIRE([_HARDEN_CXX_COMPILER_FLAGS])
- AC_REQUIRE([_CC_OTHER_FLAGS])
])
projects / awesomized / libmemcached / blobdiff