From c7fa3280ab3467d4699fa0d78ccca1c7f0e783d0 Mon Sep 17 00:00:00 2001 From: Brian Aker Date: Sat, 3 Nov 2012 02:15:28 -0400 Subject: [PATCH] Update harden flags --- m4/ax_harden_compiler_flags.m4 | 369 +++++++++++++++------------------ 1 file changed, 169 insertions(+), 200 deletions(-) diff --git a/m4/ax_harden_compiler_flags.m4 b/m4/ax_harden_compiler_flags.m4 index 247665ca..7a1fca9b 100644 --- a/m4/ax_harden_compiler_flags.m4 +++ b/m4/ax_harden_compiler_flags.m4 @@ -19,23 +19,23 @@ # # 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 @@ -50,222 +50,191 @@ # 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 +# 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([$1])]) + AC_DEFUN([AX_HARDEN_LINKER_FLAGS], [AC_PREREQ([2.63])dnl AC_REQUIRE([AX_CHECK_LINK_FLAG]) AC_REQUIRE([AX_VCS_CHECKOUT]) AC_REQUIRE([AX_DEBUG]) AC_REQUIRE([AX_CXX_COMPILER_VERSION]) - - dnl If we are inside of VCS we append -Werror, otherwise we just use it to test other flags - AX_HARDEN_LIB= - ax_append_compile_link_flags_extra= - AS_IF([test "x$ac_cv_vcs_checkout" = "xyes"], - [AX_CHECK_LINK_FLAG([-Werror], - [AX_HARDEN_LIB="-Werror $AX_HARDEN_LIB"]) - ], - [AX_CHECK_LINK_FLAG([-Werror],[ - ax_append_compile_link_flags_extra='-Werror' - ]) - ]) - - AX_CHECK_LINK_FLAG([-z relro -z now], - [AX_HARDEN_LIB="-z relro -z now $AX_HARDEN_LIB"],, - [$ax_append_compile_link_flags_extra]) - - AX_CHECK_LINK_FLAG([-pie], - [AX_HARDEN_LIB="-pie $AX_HARDEN_LIB"],, - [$ax_append_compile_link_flags_extra]) - - LIB="$LIB $AX_HARDEN_LIB" + AX_APPEND_LINK_FLAGS_ERROR([-z relro -z now]) + AX_APPEND_LINK_FLAGS_ERROR([-pie]) + AS_IF([test "x$ac_cv_vcs_checkout" = xyes],[AX_APPEND_LINK_FLAGS_ERROR([-Werror])]) ]) - AC_DEFUN([AX_HARDEN_CC_COMPILER_FLAGS], - [AC_PREREQ([2.63])dnl - AC_REQUIRE([AX_APPEND_COMPILE_FLAGS]) - AC_REQUIRE([AX_HARDEN_LINKER_FLAGS]) - - AC_LANG_PUSH([C]) - - ac_cv_warnings_as_errors=no - ax_append_compile_cflags_extra= - AS_IF([test "$ac_cv_vcs_checkout" = "yes"],[ - AX_APPEND_COMPILE_FLAGS([-Werror]) - ac_cv_warnings_as_errors=yes - ],[ - AX_APPEND_COMPILE_FLAGS([-Werror],[ax_append_compile_cflags_extra]) - ]) - - AX_APPEND_COMPILE_FLAGS([-g]) - AS_IF([test "$ax_enable_debug" = "yes"], [ - AX_APPEND_COMPILE_FLAGS([-ggdb],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-O0],,[$ax_append_compile_cflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-O2],,[$ax_append_compile_cflags_extra]) - ]) - - AX_APPEND_COMPILE_FLAGS([-fstack-check],,[$ax_append_compile_cflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wno-pragmas],,[$ax_append_compile_cflags_extra]) - - AX_APPEND_COMPILE_FLAGS([-Wall],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wextra],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunknown-pragmas],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wthis-test-should-fail],,[$ax_append_compile_cflags_extra]) -AX_APPEND_COMPILE_FLAGS([-std=c99],,[$ax_append_compile_cflags_extra]) - dnl Anything below this comment please keep sorted. -AX_APPEND_COMPILE_FLAGS([--param=ssp-buffer-size=1],,[$ax_append_compile_cflags_extra]) - dnl -Wmissing-format-attribute - AX_APPEND_COMPILE_FLAGS([-Wno-attributes],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Waddress],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Warray-bounds],,[$ax_append_compile_cflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast],,[$ax_append_compile_cflags_extra]) - dnl Not in use -Wc++-compat - AX_APPEND_COMPILE_FLAGS([-Wchar-subscripts],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wcomment],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wfloat-equal],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wformat-security],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wformat=2],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wlogical-op],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized],,[$ax_append_compile_cflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers],,[$ax_append_compile_cflags_extra]) - AS_IF([test "$MINGW" = "yes"],[ - AX_APPEND_COMPILE_FLAGS([-Wno-missing-noreturn],,[$ax_append_compile_cflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn],,[$ax_append_compile_cflags_extra]) - ]) - AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wnested-externs],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wnormalized=id],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wold-style-definition],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Woverride-init],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wpointer-arith],,[$ax_append_compile_cflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wpointer-sign],,[$ax_append_compile_cflags_extra]) - AS_IF([test "$MINGW" = "yes"],[ - AX_APPEND_COMPILE_FLAGS([-Wno-suggest-attribute=const],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wno-suggest-attribute=noreturn],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wno-suggest-attribute=pure],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wno-redundant-decls],,[$ax_append_compile_cflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-Wredundant-decls],,[$ax_append_compile_cflags_extra]) - ]) - AX_APPEND_COMPILE_FLAGS([-Wshadow],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wshorten-64-to-32],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wsign-compare],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wstrict-prototypes],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wswitch-enum],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wundef],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunused],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunused-result],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunused-variable],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wwrite-strings],,[$ax_append_compile_cflags_extra]) - AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all],,[$ax_append_compile_cflags_extra]) -AX_APPEND_COMPILE_FLAGS([-fwrapv],,[$ax_append_compile_cflags_extra]) - AC_LANG_POP - ]) - - AC_DEFUN([AX_HARDEN_CXX_COMPILER_FLAGS], - [AC_PREREQ([2.63])dnl - AC_REQUIRE([AX_HARDEN_CC_COMPILER_FLAGS]) - AC_LANG_PUSH([C++]) - - ax_append_compile_cxxflags_extra= - AS_IF([test "$ac_cv_warnings_as_errors" = "yes"],[ - AX_APPEND_COMPILE_FLAGS([-Werror]) - ],[ - AX_APPEND_COMPILE_FLAGS([-Werror],[ax_append_compile_cxxflags_extra]) - ]) - - AX_APPEND_COMPILE_FLAGS([-g],,[$ax_append_compile_cxxflags_extra]) - AS_IF([test "$ax_enable_debug" = "yes"], [ - AX_APPEND_COMPILE_FLAGS([-O0],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-ggdb],,[$ax_append_compile_cxxflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-O2],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2],,[$ax_append_compile_cxxflags_extra]) - ]) - - AS_IF([test "$ac_cv_vcs_checkout" = "yes"], [ - AX_APPEND_COMPILE_FLAGS([-Werror],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-fstack-check],,[$ax_append_compile_cxxflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-Wno-pragmas],,[$ax_append_compile_cxxflags_extra]) - ]) - - AX_APPEND_COMPILE_FLAGS([-Wall],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wextra],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunknown-pragmas],,[$ax_append_compile_cxxflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wthis-test-should-fail],,[$ax_append_compile_cxxflags_extra]) - dnl Anything below this comment please keep sorted. -AX_APPEND_COMPILE_FLAGS([--param=ssp-buffer-size=1],,[$ax_append_compile_cxxflags_extra]) - dnl -Wmissing-format-attribute - AX_APPEND_COMPILE_FLAGS([-Wno-attributes],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Waddress],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Warray-bounds],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wchar-subscripts],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wcomment],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wctor-dtor-privacy],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wfloat-equal],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wformat=2],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wmaybe-uninitialized],,[$ax_append_compile_cxxflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers],,[$ax_append_compile_cxxflags_extra]) - AS_IF([test "$MINGW" = "yes"],[ - AX_APPEND_COMPILE_FLAGS([-Wno-missing-noreturn],,[$ax_append_compile_cxxflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-Wmissing-noreturn],,[$ax_append_compile_cxxflags_extra]) - ]) - AX_APPEND_COMPILE_FLAGS([-Wlogical-op],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wnon-virtual-dtor],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wnormalized=id],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Woverloaded-virtual],,[$ax_append_compile_cxxflags_extra]) -AX_APPEND_COMPILE_FLAGS([-Wpointer-arith],,[$ax_append_compile_cxxflags_extra]) - AS_IF([test "$MINGW" = "yes"],[ - AX_APPEND_COMPILE_FLAGS([-Wno-suggest-attribute=const],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wno-suggest-attribute=noreturn],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wno-error=suggest-attribute=noreturn],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wno-redundant-decls],,[$ax_append_compile_cxxflags_extra]) - ],[ - AX_APPEND_COMPILE_FLAGS([-Wredundant-decls],,[$ax_append_compile_cxxflags_extra]) - ]) - AX_APPEND_COMPILE_FLAGS([-Wshadow],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wshorten-64-to-32],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wsign-compare],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wstrict-overflow=1],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wswitch-enum],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wundef],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wc++11-compat],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunused],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunused-result],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wunused-variable],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wwrite-strings],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-Wformat-security],,[$ax_append_compile_cxxflags_extra]) - AX_APPEND_COMPILE_FLAGS([-floop-parallelize-all],,[$ax_append_compile_cxxflags_extra]) -AX_APPEND_COMPILE_FLAGS([-fwrapv],,[$ax_append_compile_cxxflags_extra]) - AC_LANG_POP +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]) +# 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]) +# 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$ac_cv_vcs_checkout" = xyes], + [AX_APPEND_COMPILE_FLAGS_ERROR([-Werror]) + AX_APPEND_COMPILE_FLAGS_ERROR([-fstack-check])], + [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-pragmas])]) + + AX_APPEND_COMPILE_FLAGS_ERROR([-Wall]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wextra]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wunknown-pragmas]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wthis-test-should-fail]) +# Anything below this comment please keep sorted. + AX_APPEND_COMPILE_FLAGS_ERROR([--param=ssp-buffer-size=1]) +# -Wmissing-format-attribute + AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-attributes]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Waddress]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Warray-bounds]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wchar-subscripts]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wcomment]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wctor-dtor-privacy]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wfloat-equal]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wformat=2]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wmaybe-uninitialized]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wmissing-field-initializers]) + AS_IF([test "x$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$MINGW" = xyes], + [AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=const]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-suggest-attribute=noreturn]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-error=suggest-attribute=noreturn]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wno-redundant-decls])], + [AX_APPEND_COMPILE_FLAGS_ERROR([-Wredundant-decls])]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wshadow]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wshorten-64-to-32]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wsign-compare]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wstrict-overflow=1]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wswitch-enum]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wundef]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wc++11-compat]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused-result]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wunused-variable]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wwrite-strings]) + AX_APPEND_COMPILE_FLAGS_ERROR([-Wformat-security]) + AX_APPEND_COMPILE_FLAGS_ERROR([-floop-parallelize-all]) + AX_APPEND_COMPILE_FLAGS_ERROR([-fwrapv]) + AX_APPEND_COMPILE_FLAGS_ERROR([-fmudflapt]) + AC_LANG_POP([C++]) ]) AC_DEFUN([AX_HARDEN_COMPILER_FLAGS], [AC_PREREQ([2.63])dnl AC_REQUIRE([AX_HARDEN_CXX_COMPILER_FLAGS]) AC_REQUIRE([AX_CC_OTHER_FLAGS]) - gl_VISIBILITY - AS_IF([test -n "$CFLAG_VISIBILITY"], [ CPPFLAGS="$CPPFLAGS $CFLAG_VISIBILITY" ]) + AC_REQUIRE([gl_VISIBILITY]) + AS_IF([test -n "$CFLAG_VISIBILITY"],[ CPPFLAGS="$CPPFLAGS $CFLAG_VISIBILITY" ]) ]) AC_DEFUN([AX_CC_OTHER_FLAGS], [AC_PREREQ([2.63])dnl - AC_REQUIRE([AX_APPEND_COMPILE_FLAGS]) + AC_REQUIRE([AX_APPEND_COMPILE_FLAGS_ERROR]) AC_REQUIRE([AX_HARDEN_CC_COMPILER_FLAGS]) - AC_LANG_PUSH([C]) - AX_APPEND_COMPILE_FLAGS([-pipe],,[$ax_append_compile_cflags_extra]) - AC_LANG_POP + AX_APPEND_COMPILE_FLAGS_ERROR([-pipe]) + AC_LANG_POP([C]) ]) -- 2.30.2