#
# SYNOPSIS
#
-# AX_HARDEN_COMPILER_FLAGS()
-# AX_HARDEN_LINKER_FLAGS()
-# AX_HARDEN_CC_COMPILER_FLAGS()
-# AX_HARDEN_CXX_COMPILER_FLAGS()
+# AX_HARDEN_COMPILER_FLAGS() AX_HARDEN_LINKER_FLAGS()
#
# DESCRIPTION
#
# The Following flags are not checked for
# -Wdeclaration-after-statement is counter to C99
-# AX_APPEND_COMPILE_FLAGS_ERROR([-std=c++11]) -- Not ready yet
-# AX_APPEND_COMPILE_FLAGS_ERROR([-pedantic]) -- ?
-# AX_APPEND_COMPILE_FLAGS_ERROR([-Wstack-protector]) -- Issues on 32bit compile
-# AX_APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all]) -- Issues on 32bit compile
-# AX_APPEND_COMPILE_FLAGS_ERROR([-Wlong-long]) -- Don't turn on for compatibility issues memcached_stat_st
-
-#serial 5
-
-AC_DEFUN([AX_APPEND_LINK_FLAGS_ERROR],
- [AC_PREREQ([2.63])dnl
- AX_APPEND_LINK_FLAGS([$1],[LIB],[-Werror])])
-
-AC_DEFUN([AX_APPEND_COMPILE_FLAGS_ERROR],
- [AC_PREREQ([2.63])dnl
- AX_APPEND_COMPILE_FLAGS([$1])])
-
-AC_DEFUN([AX_HARDEN_LINKER_FLAGS],
- [AC_PREREQ([2.63])dnl
- AC_REQUIRE([AX_CHECK_LINK_FLAG])
- AC_REQUIRE([AX_VCS_CHECKOUT])
- AC_REQUIRE([AX_DEBUG])
- AC_REQUIRE([AX_CXX_COMPILER_VERSION])
- AX_APPEND_LINK_FLAGS_ERROR([-z relro -z now])
- AX_APPEND_LINK_FLAGS_ERROR([-pie])
- AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[AX_APPEND_LINK_FLAGS_ERROR([-Werror])])
+# _APPEND_COMPILE_FLAGS_ERROR([-std=c++11]) -- Not ready yet
+# _APPEND_COMPILE_FLAGS_ERROR([-pedantic]) --
+# ? _APPEND_COMPILE_FLAGS_ERROR([-Wlong-long]) -- Don't turn on for
+# compatibility issues memcached_stat_st
+
+#serial 7
+
+AC_DEFUN([_WARNINGS_AS_ERRORS],
+ [AC_CACHE_CHECK([if all warnings into errors],[ac_cv_warnings_as_errors],
+ [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[ac_cv_warnings_as_errors=yes],
+ [ac_cv_warnings_as_errors=no])
+ ])
])
-AC_DEFUN([AX_HARDEN_CC_COMPILER_FLAGS],
- [AC_PREREQ([2.63])dnl
- AC_LANG_PUSH([C])dnl
- AC_REQUIRE([AX_APPEND_COMPILE_FLAGS_ERROR])
- AC_REQUIRE([AX_HARDEN_LINKER_FLAGS])
-
- ac_cv_warnings_as_errors=no
- AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Werror])
- ac_cv_warnings_as_errors=yes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Werror])])
-
- AX_APPEND_LINK_FLAGS_ERROR([-g])
- AS_IF([test "x$ax_enable_debug" = xyes],
- [AX_APPEND_LINK_FLAGS_ERROR([-ggdb])
- AX_APPEND_LINK_FLAGS_ERROR([-O0])],
- [AX_APPEND_LINK_FLAGS_ERROR([-O2])])
-
- AX_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wall])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wextra])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
- AX_APPEND_COMPILE_FLAGS_ERROR([-std=c99])
+AC_DEFUN([_APPEND_LINK_FLAGS_ERROR],
+ [AC_REQUIRE([AX_APPEND_LINK_FLAGS])
+ AX_APPEND_LINK_FLAGS([$1],[LIB],[-Werror])
+ ])
+
+AC_DEFUN([_APPEND_COMPILE_FLAGS_ERROR],
+ [AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
+ 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],
+ [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$ax_enable_debug" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-ggdb])
+ _APPEND_COMPILE_FLAGS_ERROR([-O0])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-O2])])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wall])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
+ _APPEND_COMPILE_FLAGS_ERROR([-std=c99])
# Anything below this comment please keep sorted.
- AX_APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
-# -Wmissing-format-attribute
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Waddress])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wbad-function-cast])
+ _APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
+# _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-format-attribute])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Waddress])
+ _APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wbad-function-cast])
# Not in use -Wc++-compat
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
- AS_IF([test "$MINGW" = "yes"],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-missing-noreturn])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-noreturn])])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-prototypes])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wnested-externs])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wnormalized=id])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wold-style-definition])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Woverride-init])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wpointer-arith])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wpointer-sign])
- AS_IF([test "x$MINGW" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=pure])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])])
-
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wshadow])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wstrict-prototypes])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wundef])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings])
- AX_APPEND_COMPILE_FLAGS_ERROR([-floop-parallelize-all])
- AX_APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
- AX_APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
- AC_LANG_POP([C])
-])
-
-AC_DEFUN([AX_HARDEN_CXX_COMPILER_FLAGS],
- [AC_PREREQ([2.63])dnl
- AC_REQUIRE([AX_HARDEN_CC_COMPILER_FLAGS])
- AC_LANG_PUSH([C++])
-
- AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Werror])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Werror])])
-
- AX_APPEND_COMPILE_FLAGS_ERROR([-g])
- AS_IF([test "x$ax_enable_debug" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-O0])
- AX_APPEND_COMPILE_FLAGS_ERROR([-ggdb])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-O2])
- AX_APPEND_COMPILE_FLAGS_ERROR([-D_FORTIFY_SOURCE=2])])
-
- AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Werror])
- AX_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
-
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wall])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wextra])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
+ AS_IF([test "x$MINGW" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-missing-noreturn])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-noreturn])])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-prototypes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wnested-externs])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wnormalized=id])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wold-style-definition])
+ _APPEND_COMPILE_FLAGS_ERROR([-Woverride-init])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpointer-arith])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpointer-sign])
+ AS_IF([test "x$MINGW" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=pure])
+ _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([-Wstrict-prototypes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wundef])
+ _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([-floop-parallelize-all])
+ _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
+ _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
+
+ 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_vcs_checkout" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
+
+ AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
+ [AX_APPEND_FLAG([-Werror])])
+
+ AC_LANG_POP([C])
+ ])
+
+AC_DEFUN([_HARDEN_CXX_COMPILER_FLAGS],
+ [AC_LANG_PUSH([C++])
+ AC_REQUIRE([_APPEND_COMPILE_FLAGS_ERROR])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ AS_IF([test "x$ax_enable_debug" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-O0])
+ _APPEND_COMPILE_FLAGS_ERROR([-ggdb])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-O2])])
+
+ AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-Wall])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
# Anything below this comment please keep sorted.
- AX_APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
-# -Wmissing-format-attribute
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Waddress])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wctor-dtor-privacy])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
- AS_IF([test "x$MINGW" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-missing-noreturn])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-noreturn])])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wnon-virtual-dtor])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wnormalized=id])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Woverloaded-virtual])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wpointer-arith])
- AS_IF([test "x$MINGW" = xyes],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-error=suggest-attribute=noreturn])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])],
- [AX_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wshadow])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wundef])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wc++11-compat])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings])
- AX_APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
- AX_APPEND_COMPILE_FLAGS_ERROR([-floop-parallelize-all])
- AX_APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
- AX_APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
- AC_LANG_POP([C++])
+ _APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
+# _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-format-attribute])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Waddress])
+ _APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wctor-dtor-privacy])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wnon-virtual-dtor])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wnormalized=id])
+ _APPEND_COMPILE_FLAGS_ERROR([-Woverloaded-virtual])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpointer-arith])
+ AS_IF([test "x$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])
+
+ 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],
+ [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
AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
- [AC_PREREQ([2.63])dnl
- AC_REQUIRE([AX_HARDEN_CXX_COMPILER_FLAGS])
- AC_REQUIRE([AX_CC_OTHER_FLAGS])
- AC_REQUIRE([gl_VISIBILITY])
- AS_IF([test -n "$CFLAG_VISIBILITY"],[ CPPFLAGS="$CPPFLAGS $CFLAG_VISIBILITY" ])
- ])
+ [AC_PREREQ([2.63])dnl
+ AC_REQUIRE([_WARNINGS_AS_ERRORS])
+ AC_REQUIRE([AX_APPEND_LINK_FLAGS])
+ AC_REQUIRE([AX_COMPILER_VERSION])
+ AC_REQUIRE([AX_DEBUG])
+ AC_REQUIRE([AX_VCS_CHECKOUT])
- AC_DEFUN([AX_CC_OTHER_FLAGS],
- [AC_PREREQ([2.63])dnl
- AC_REQUIRE([AX_APPEND_COMPILE_FLAGS_ERROR])
- AC_REQUIRE([AX_HARDEN_CC_COMPILER_FLAGS])
- AC_LANG_PUSH([C])
- AX_APPEND_COMPILE_FLAGS_ERROR([-pipe])
- AC_LANG_POP([C])
- ])
+ AC_REQUIRE([gl_VISIBILITY])
+ AS_IF([test -n "$CFLAG_VISIBILITY"],[CPPFLAGS="$CPPFLAGS $CFLAG_VISIBILITY"])
+
+ 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