8065648: Remove the flag -fsanitize=undefined for GCC 4.9 and later
Reviewed-by: erikj
This commit is contained in:
Erik Helin
parent
88f336ba40
commit
2f10adad63
@ -348,10 +348,6 @@ AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
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# Add runtime stack smashing and undefined behavior checks
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CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
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CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
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if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
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CFLAGS_DEBUG_OPTIONS="$CFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
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CXXFLAGS_DEBUG_OPTIONS="$CXXFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIsOR_FLAG"
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fi
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;;
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esac
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fi
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@ -746,25 +742,6 @@ AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
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LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
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fi
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if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
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# If undefined behaviour detection is enabled then we need to tell linker.
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case $DEBUG_LEVEL in
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release | fastdebug )
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;;
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slowdebug )
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AC_MSG_WARN([$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR])
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if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
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# enable undefined behaviour checking
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LDFLAGS_JDK="$LDFLAGS_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/[ ]*\([^ ]\+\)/ -Xlinker \1/g"`"
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LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/[ ]*\([^ ]\+\)/ -Xlinker \1/g"`"
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fi
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;;
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* )
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AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
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;;
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esac
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fi
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# Customize LDFLAGS for executables
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LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
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@ -4331,7 +4331,7 @@ TOOLCHAIN_DESCRIPTION_xlc="IBM XL C/C++"
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#CUSTOM_AUTOCONF_INCLUDE
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# Do not change or remove the following line, it is needed for consistency checks:
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DATE_WHEN_GENERATED=1417011146
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DATE_WHEN_GENERATED=1417016445
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###############################################################################
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#
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@ -41017,74 +41017,6 @@ $as_echo "$supports" >&6; }
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fi
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# "-fsanitize=undefined" supported for GCC 4.9 and later
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CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG="-fsanitize=undefined -fsanitize-recover"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports \"$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG\"" >&5
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$as_echo_n "checking if compiler supports \"$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG\"... " >&6; }
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supports=yes
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saved_cflags="$CFLAGS"
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CFLAGS="$CFLAGS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int i;
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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else
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supports=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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ac_ext=cpp
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ac_cpp='$CXXCPP $CPPFLAGS'
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ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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CFLAGS="$saved_cflags"
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saved_cxxflags="$CXXFLAGS"
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CXXFLAGS="$CXXFLAG $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
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ac_ext=cpp
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ac_cpp='$CXXCPP $CPPFLAGS'
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ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int i;
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_ACEOF
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if ac_fn_cxx_try_compile "$LINENO"; then :
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else
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supports=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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ac_ext=cpp
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ac_cpp='$CXXCPP $CPPFLAGS'
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ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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CXXFLAGS="$saved_cxxflags"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
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$as_echo "$supports" >&6; }
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if test "x$supports" = "xyes" ; then
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HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=true
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else
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HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=false
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fi
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# "-z relro" supported in GNU binutils 2.17 and later
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LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro"
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@ -42428,10 +42360,6 @@ $as_echo "$ac_cv_c_bigendian" >&6; }
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# Add runtime stack smashing and undefined behavior checks
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CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
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CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
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if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
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CFLAGS_DEBUG_OPTIONS="$CFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG"
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CXXFLAGS_DEBUG_OPTIONS="$CXXFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIsOR_FLAG"
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fi
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;;
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esac
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fi
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@ -42839,26 +42767,6 @@ fi
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LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
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fi
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if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
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# If undefined behaviour detection is enabled then we need to tell linker.
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case $DEBUG_LEVEL in
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release | fastdebug )
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;;
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slowdebug )
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" >&5
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$as_echo "$as_me: WARNING: $HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" >&2;}
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if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then
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# enable undefined behaviour checking
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LDFLAGS_JDK="$LDFLAGS_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/ *\(^ \+\)/ -Xlinker \1/g"`"
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LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/ *\(^ \+\)/ -Xlinker \1/g"`"
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fi
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;;
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* )
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as_fn_error $? "Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL" "$LINENO" 5
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;;
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esac
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fi
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# Customize LDFLAGS for executables
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LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
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@ -712,12 +712,6 @@ AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
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[HAS_CFLAG_OPTIMIZE_DEBUG=true],
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[HAS_CFLAG_OPTIMIZE_DEBUG=false])
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# "-fsanitize=undefined" supported for GCC 4.9 and later
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CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG="-fsanitize=undefined -fsanitize-recover"
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FLAGS_COMPILER_CHECK_ARGUMENTS([$CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG],
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[HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=true],
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[HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR=false])
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# "-z relro" supported in GNU binutils 2.17 and later
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LINKER_RELRO_FLAG="-Xlinker -z -Xlinker relro"
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FLAGS_LINKER_CHECK_ARGUMENTS([$LINKER_RELRO_FLAG],
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