# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_append_flag.html
+# https://github.com/BrianAker/ddm4/
# ===========================================================================
#
# SYNOPSIS
#
-# AX_HARDEN_COMPILER_FLAGS
+# AX_HARDEN_COMPILER_FLAGS() AX_HARDEN_LINKER_FLAGS()
#
# DESCRIPTION
#
#
# Copyright (C) 2012 Brian Aker
# All rights reserved.
-#
+#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
-#
+#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
-#
+#
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
-#
+#
# * The names of its contributors may not be used to endorse or
# promote products derived from this software without specific prior
# written permission.
-#
+#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# 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
-# AX_APPEND_COMPILE_FLAGS([-Wlong-long]) -- Don't turn on for compatibility issues memcached_stat_st
-
-#serial 2
- AC_DEFUN([AX_HARDEN_LINKER_FLAGS], [
- AC_REQUIRE([AX_CHECK_LINK_FLAG])
- AC_REQUIRE([AX_VCS_CHECKOUT])
- AC_REQUIRE([AX_DEBUG])
-
- AS_IF([test "$ac_cv_vcs_checkout" = yes], [
- AX_CHECK_LINK_FLAG([-Werror])
- ])
- AX_CHECK_LINK_FLAG([-z relro -z now])
- AX_CHECK_LINK_FLAG([-pie])
- ])
+# _APPEND_COMPILE_FLAGS_ERROR([-std=c++11]) -- Not ready yet
+# _APPEND_COMPILE_FLAGS_ERROR([-pedantic]) --
+# ? _APPEND_COMPILE_FLAGS_ERROR([-Wlong-long]) -- Don't turn on for
+# compatibility issues memcached_stat_st
- AC_DEFUN([AX_HARDEN_C_COMPILER_FLAGS], [
- AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
- AC_REQUIRE([AX_HARDEN_LINKER_FLAGS])
-
- AC_LANG_PUSH([C])
- AS_IF([test "$ax_with_debug" = yes], [
- AX_APPEND_COMPILE_FLAGS([-O0])],[
- AX_APPEND_COMPILE_FLAGS([-O2])
- ])
-
- ac_cv_warnings_as_errors=no
- AS_IF([test "$ac_cv_vcs_checkout" = yes], [
- AX_APPEND_COMPILE_FLAGS([-Werror])
- ac_cv_warnings_as_errors=yes
- ])
-
- 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([-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])
- 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([-Wpointer-sign])
- 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([-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([-fwrapv])
- AX_APPEND_COMPILE_FLAGS([-ggdb])
- AC_LANG_POP
+#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])
+ ])
+
+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$ax_enable_debug" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-ggdb])
+ _APPEND_COMPILE_FLAGS_ERROR([-O0])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-O2])])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wall])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
+ _APPEND_COMPILE_FLAGS_ERROR([-std=c99])
+# Anything below this comment please keep sorted.
+ _APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1])
+# _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-format-attribute])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Waddress])
+ _APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wbad-function-cast])
+# Not in use -Wc++-compat
+ _APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wlogical-op])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
+ AS_IF([test "x$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])
+ ])])])
- AC_DEFUN([AX_HARDEN_CC_COMPILER_FLAGS], [
- AC_REQUIRE([AX_HARDEN_C_COMPILER_FLAGS])
- AC_LANG_PUSH([C++])
-
- AS_IF([test "$ax_with_debug" = yes], [
- AX_APPEND_COMPILE_FLAGS([-O0])],[
- AX_APPEND_COMPILE_FLAGS([-O2])
- AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2])
- ])
-
- AS_IF([test "$ac_cv_vcs_checkout" = yes], [
- AX_APPEND_COMPILE_FLAGS([-Werror])
- ])
-
- 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])
- 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([-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([-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([-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])
- AC_LANG_POP
+ 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.
+ _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$ac_cv_warnings_as_errors" = xyes],
+ [AX_APPEND_FLAG([-Werror])])
+ AC_LANG_POP([C++])
])
+
+ AC_DEFUN([_CC_OTHER_FLAGS],
+ [AC_REQUIRE([_APPEND_COMPILE_FLAGS_ERROR])
+
+ AC_LANG_PUSH([C])
+ _APPEND_COMPILE_FLAGS_ERROR([-pipe])
+ AC_LANG_POP([C])
+ ])
+
+# All of the heavy lifting happens in _HARDEN_LINKER_FLAGS,
+# _HARDEN_CC_COMPILER_FLAGS, _HARDEN_CXX_COMPILER_FLAGS, _CC_OTHER_FLAGS
+ AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
+ [AC_PREREQ([2.63])dnl
+ AC_REQUIRE([_WARNINGS_AS_ERRORS])
+ AC_REQUIRE([AX_APPEND_LINK_FLAGS])
+ AC_REQUIRE([AX_COMPILER_VERSION])
+ AC_REQUIRE([AX_DEBUG])
+ AC_REQUIRE([AX_VCS_CHECKOUT])
+
+ AC_REQUIRE([gl_VISIBILITY])
+ AS_IF([test -n "$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