+# vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
# ===========================================================================
# https://github.com/BrianAker/ddm4/
# ===========================================================================
#
# 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
#
# Any compiler flag that "hardens" or tests code. C99 is assumed.
#
-# NOTE: Implementation based on AX_APPEND_FLAG.
-#
# LICENSE
#
-# Copyright (C) 2012 Brian Aker
+# Copyright (C) 2012-2019 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
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Notes:
+# We do not test for c99 or c++11, that is out of scope.
# 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 3
-
- AC_DEFUN([AX_HARDEN_LINKER_FLAGS], [
- AC_REQUIRE([AX_CHECK_LINK_FLAG])
- AC_REQUIRE([AX_VCS_CHECKOUT])
- AC_REQUIRE([AX_DEBUG])
- AC_REQUIRE([AX_CXX_COMPILER_VERSION])
-
- ax_append_compile_flags_extra=
- AS_IF([test "$CLANG" = "yes"],[ax_append_compile_flags_extra="-Werror"])
-
- AS_IF([test "$ac_cv_vcs_checkout" = yes], [
- AX_CHECK_LINK_FLAG([-Werror])
- ax_append_compile_flags_extra=
+# _APPEND_COMPILE_FLAGS_ERROR([-pedantic])
+
+#serial 17
+
+AC_DEFUN([_SET_SANITIZE_FLAGS],
+ [AS_IF([test "x$MINGW" != xyes],[
+ AS_IF([test "x$enable_shared" = "xyes"],
+ [AS_CASE([$ax_harden_sanitize],
+ [thread],[
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=thread])],
+ [address],[
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=address])],
+ [rest],[
+ _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=memory])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=alignment])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bool])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=bounds])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=enum])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-cast-overflow])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=float-divide-by-zero])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=integer-divide-by-zero])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=null])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=object-size])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=return])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=shift])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=signed-integer-overflow])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unreachable])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=unsigned-integer-overflow])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vla-bound])
+ _APPEND_COMPILE_FLAGS_ERROR([-fsanitize=vptr])])
+ ])
+ ])
])
- AX_CHECK_LINK_FLAG([-z relro -z now],,[$ax_append_compile_flags_extra])
- AX_CHECK_LINK_FLAG([-pie],,[$ax_append_compile_flags_extra])
- ])
-
- AC_DEFUN([AX_HARDEN_CC_COMPILER_FLAGS], [
- AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
- AC_REQUIRE([AX_HARDEN_LINKER_FLAGS])
-
- AC_LANG_PUSH([C])
- CFLAGS=
-
- AX_APPEND_COMPILE_FLAGS([-g])
- AS_IF([test "$ax_enable_debug" = yes], [
- AX_APPEND_COMPILE_FLAGS([-ggdb],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-O0],,[$ax_append_compile_flags_extra])
- ],[
- AX_APPEND_COMPILE_FLAGS([-O2],,[$ax_append_compile_flags_extra])
- ])
- ac_cv_warnings_as_errors=no
- AS_IF([test "$ac_cv_vcs_checkout" = yes], [
- AX_APPEND_COMPILE_FLAGS([-Werror],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-fstack-check],,[$ax_append_compile_flags_extra])
- ac_cv_warnings_as_errors=yes
- ],[
- AX_APPEND_COMPILE_FLAGS([-Wno-pragmas],,[$ax_append_compile_flags_extra])
- ])
+# Note: Should this be LIBS or LDFLAGS?
+AC_DEFUN([_APPEND_LINK_FLAGS_ERROR],
+ [AX_APPEND_LINK_FLAGS([$1],[LDFLAGS],[-Werror])
+ ])
- AX_APPEND_COMPILE_FLAGS([-Wall],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wextra],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wunknown-pragmas],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wthis-test-should-fail],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-std=c99],,[$ax_append_compile_flags_extra])
- dnl Anything below this comment please keep sorted.
- AX_APPEND_COMPILE_FLAGS([--param=ssp-buffer-size=1],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Waddress],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Warray-bounds],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast],,[$ax_append_compile_flags_extra])
- dnl Not in use -Wc++-compat
- AX_APPEND_COMPILE_FLAGS([-Wchar-subscripts],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wcomment],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wfloat-equal],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wformat-security],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wformat=2],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wlogical-op],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wnested-externs],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wnormalized=id],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wold-style-definition],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Woverride-init],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wpointer-arith],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wpointer-sign],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wredundant-decls],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wshadow],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wshorten-64-to-32],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wsign-compare],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wswitch-enum],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wundef],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wunused-result],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wunused-variable],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wwrite-strings],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-fwrapv],,[$ax_append_compile_flags_extra])
- AC_LANG_POP
-
- ])
-
- AC_DEFUN([AX_HARDEN_CXX_COMPILER_FLAGS], [
- AC_REQUIRE([AX_HARDEN_CC_COMPILER_FLAGS])
- AC_LANG_PUSH([C++])
- CXXFLAGS=
-
- AX_APPEND_COMPILE_FLAGS([-g],,[$ax_append_compile_flags_extra])
- AS_IF([test "$ax_enable_debug" = yes], [
- AX_APPEND_COMPILE_FLAGS([-O0],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-ggdb],,[$ax_append_compile_flags_extra])
- ],[
- AX_APPEND_COMPILE_FLAGS([-O2],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2],,[$ax_append_compile_flags_extra])
- ])
+AC_DEFUN([_APPEND_COMPILE_FLAGS_ERROR],
+ [AX_APPEND_COMPILE_FLAGS([$1],,[-Werror])
+ ])
+
+# Everything above this does the heavy lifting, while what follows does the specifics.
- AS_IF([test "$ac_cv_vcs_checkout" = yes], [
- AX_APPEND_COMPILE_FLAGS([-Werror],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-fstack-check],,[$ax_append_compile_flags_extra])
- ],[
- AX_APPEND_COMPILE_FLAGS([-Wno-pragmas],,[$ax_append_compile_flags_extra])
+AC_DEFUN([_HARDEN_LINKER_FLAGS],
+ [AS_IF([test "$ax_cv_c_compiler_vendor" != "clang"],
+ [_APPEND_LINK_FLAGS_ERROR(["-z relro" "-z now"])
+ AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [_APPEND_LINK_FLAGS_ERROR([-rdynamic])
+# AX_APPEND_LINK_FLAGS([--coverage])])
+ AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],[AX_APPEND_LINK_FLAGS([-Werror])])
+ ])
])
- AX_APPEND_COMPILE_FLAGS([-Wall],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wextra],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wunknown-pragmas],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wthis-test-should-fail],,[$ax_append_compile_flags_extra])
- dnl Anything below this comment please keep sorted.
- AX_APPEND_COMPILE_FLAGS([--param=ssp-buffer-size=1],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Waddress],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Warray-bounds],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wchar-subscripts],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wcomment],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wctor-dtor-privacy],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wfloat-equal],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wformat=2],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wlogical-op],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wnon-virtual-dtor],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wnormalized=id],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Woverloaded-virtual],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wpointer-arith],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wredundant-decls],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wshadow],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wshorten-64-to-32],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wsign-compare],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wswitch-enum],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wundef],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wc++11-compat],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wunused-result],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wunused-variable],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wwrite-strings],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-Wformat-security],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all],,[$ax_append_compile_flags_extra])
- AX_APPEND_COMPILE_FLAGS([-fwrapv],,[$ax_append_compile_flags_extra])
- AC_LANG_POP
+AC_DEFUN([_AX_HARDEN_SANITIZE],
+ [AC_REQUIRE([AX_DEBUG])
+ AC_ARG_WITH([sanitize],
+ [AS_HELP_STRING([--with-sanitize],
+ [Enable sanitize flag for compiler if it supports them @<:@default=no@:>@])],
+ [AS_CASE([$with_sanitize],
+ [thread],[
+ ax_harden_sanitize='thread'],
+ [address],[
+ ax_harden_sanitize='address'],
+ [ax_harden_sanitize='rest'])
+ ],
+ [AS_IF([test "x$ax_enable_debug" = xyes],[ax_harden_sanitize='rest'])])
+ ])
+
+AC_DEFUN([_HARDEN_CC_COMPILER_FLAGS],
+ [AC_LANG_PUSH([C])dnl
+
+ AS_IF([test "x$ax_enable_debug" = xyes],
+ [
+ #_APPEND_COMPILE_FLAGS_ERROR([-H])
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-g3])
+ _APPEND_COMPILE_FLAGS_ERROR([-fno-eliminate-unused-debug-types])
+ _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer])
+ ],[
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-O2])
+ ])
+
+ AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
+# _APPEND_COMPILE_FLAGS_ERROR([--coverage])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-unknown-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
+
+ AS_IF([test "$ax_cv_c_compiler_vendor" = "clang"],[_APPEND_COMPILE_FLAGS_ERROR([-Qunused-arguments])])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-Wall])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
+ _APPEND_COMPILE_FLAGS_ERROR([-Weverything])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
+# Anything below this comment please keep sorted.
+# _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-format-attribute])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Waddress])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wvarargs])
+ _APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wbad-function-cast])
+# Not in use -Wc++-compat
+ _APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wcomment])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat=2])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat-y2k])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers])
+ AS_IF([test "x$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([-Wpointer-arith])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpointer-sign])
+ AS_IF([test "x$MINGW" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=pure])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wshadow])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wstrict-prototypes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wundef])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-parameter])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-local-typedefs])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings])
+ _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
+ _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
+ _APPEND_COMPILE_FLAGS_ERROR([-pipe])
+ AS_IF([test "x$MINGW" = xyes],
+ [],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fPIE -pie])])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wsizeof-pointer-memaccess])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpacked])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wlong-long])
+ _APPEND_COMPILE_FLAGS_ERROR([ftrapv])
+ # Stop error when using -pie on library builds
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-unused-command-line-argument])
+# GCC 4.5 removed this.
+# _APPEND_COMPILE_FLAGS_ERROR([-Wunreachable-code])
+
+ _SET_SANITIZE_FLAGS
+
+ AS_IF([test "x$ax_enable_debug" = xno],
+ [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [AS_IF([test "x${host_os}" != "xmingw"],
+ [AS_IF([test "x$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 --param=ssp-buffer-size=4])
+ _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all])
+ ])])])])
+
+ AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
+ [AX_APPEND_COMPILE_FLAGS([-Werror])])
+
+ AC_LANG_POP([C])
+ ])
+
+AC_DEFUN([_HARDEN_CXX_COMPILER_FLAGS],
+ [AC_LANG_PUSH([C++])
+ AS_IF([test "x$ax_enable_debug" = xyes],
+ [CXXFLAGS=''
+ #_APPEND_COMPILE_FLAGS_ERROR([-H])
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-g3])
+ _APPEND_COMPILE_FLAGS_ERROR([-fno-inline])
+ _APPEND_COMPILE_FLAGS_ERROR([-fno-eliminate-unused-debug-types])
+ _APPEND_COMPILE_FLAGS_ERROR([-fno-omit-frame-pointer])
+ ],[
+ _APPEND_COMPILE_FLAGS_ERROR([-g])
+ _APPEND_COMPILE_FLAGS_ERROR([-O2])
+ ])
+
+ AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])
+# _APPEND_COMPILE_FLAGS_ERROR([--coverage])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-unknown-pragmas])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])])
+
+ AS_IF([test "$ax_cv_c_compiler_vendor" = "clang"],[_APPEND_COMPILE_FLAGS_ERROR([-Qunused-arguments])])
+
+ _APPEND_COMPILE_FLAGS_ERROR([-Wall])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wextra])
+ _APPEND_COMPILE_FLAGS_ERROR([-Weverything])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail])
+# Anything below this comment please keep sorted.
+# _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-format-attribute])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wvarargs])
+ _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([-Wformat-y2k])
+ _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$MINGW" = xyes],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-missing-noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wmissing-noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-error=suggest-attribute=noreturn])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])],
+ [_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wshadow])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wtrampolines])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wundef])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunsafe-loop-optimizations])
+ _APPEND_COMPILE_FLAGS_ERROR([-funsafe-loop-optimizations])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wc++11-compat])
+# Disabled due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55837
+# _APPEND_COMPILE_FLAGS_ERROR([-Weffc++])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wold-style-cast])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wclobbered])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-result])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-parameter])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wunused-local-typedefs])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wformat-security])
+ _APPEND_COMPILE_FLAGS_ERROR([-fwrapv])
+ _APPEND_COMPILE_FLAGS_ERROR([-fmudflapt])
+ _APPEND_COMPILE_FLAGS_ERROR([-pipe])
+ AS_IF([test "x$MINGW" = xyes],
+ [],
+ [_APPEND_COMPILE_FLAGS_ERROR([-fPIE -pie])])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wsizeof-pointer-memaccess])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wpacked])
+ _APPEND_COMPILE_FLAGS_ERROR([-Wlong-long])
+# GCC 4.5 removed this.
+# _APPEND_COMPILE_FLAGS_ERROR([-Wunreachable-code])
+
+ AS_IF([test "x$ax_enable_debug" = xno],
+ [AS_IF([test "x$ac_cv_vcs_checkout" = xyes],
+ [AS_IF([test "x${host_os}" != "xmingw"],
+ [AS_IF([test "x$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 --param=ssp-buffer-size=4])
+ _APPEND_COMPILE_FLAGS_ERROR([-fstack-protector-all])
+ ])])])])
+
+ _SET_SANITIZE_FLAGS
+
+ AS_IF([test "x$ac_cv_warnings_as_errors" = xyes],
+ [AX_APPEND_COMPILE_FLAGS([-Werror])])
+ AC_LANG_POP([C++])
])
- AC_DEFUN([AX_HARDEN_COMPILER_FLAGS], [
- AC_REQUIRE([AX_HARDEN_CXX_COMPILER_FLAGS],,[$ax_append_compile_flags_extra])
- ])
+# All of the heavy lifting happens in _HARDEN_LINKER_FLAGS,
+# _HARDEN_CC_COMPILER_FLAGS, _HARDEN_CXX_COMPILER_FLAGS
+ AC_DEFUN([AX_HARDEN_COMPILER_FLAGS],
+ [AC_PREREQ([2.63])dnl
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([AX_COMPILER_VERSION])
+ AC_REQUIRE([AX_DEBUG])
+ AC_REQUIRE([AX_ASSERT])
+ _AX_HARDEN_SANITIZE
+
+ AC_REQUIRE([gl_VISIBILITY])
+ AS_IF([test -n "$CFLAG_VISIBILITY"],[CPPFLAGS="$CPPFLAGS $CFLAG_VISIBILITY"])
- AC_DEFUN([AX_CC_OTHER_FLAGS], [
- AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
- AC_REQUIRE([AX_HARDEN_LINKER_FLAGS])
+ _HARDEN_LINKER_FLAGS
+ _HARDEN_CC_COMPILER_FLAGS
+ _HARDEN_CXX_COMPILER_FLAGS
+ ])
- AC_LANG_PUSH([C])
- AX_APPEND_COMPILE_FLAGS([-pipe],,[$ax_append_compile_flags_extra])
- AC_LANG_POP
- ])
projects / awesomized / libmemcached / blobdiff