#
# 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
+# 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])
])