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common/autoconf/generated-configure.sh

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rev 1735 : 8151841: Build needs additional flags to compile with GCC 6 [plus parts of 8149647 & 8032045]
Summary: C++ standard needs to be explicitly set and some optimisations turned off to build on GCC 6
Reviewed-by: erikj, dholmes, kbarrett

@@ -677,10 +677,13 @@
 CXXFLAGS_JDKLIB
 CFLAGS_JDKEXE
 CFLAGS_JDKLIB
 MACOSX_VERSION_MIN
 PACKAGE_PATH
+NO_LIFETIME_DSE_CFLAG
+NO_DELETE_NULL_POINTER_CHECKS_CFLAG
+CXXSTD_CXXFLAG
 LEGACY_EXTRA_LDFLAGS
 LEGACY_EXTRA_CXXFLAGS
 LEGACY_EXTRA_CFLAGS
 CXX_FLAG_DEPS
 C_FLAG_DEPS

@@ -741,10 +744,12 @@
 LDEXE
 LD
 ac_ct_OBJC
 OBJCFLAGS
 OBJC
+CXX_VERSION
+CC_VERSION
 ac_ct_CXX
 CXXFLAGS
 CXX
 ac_ct_PROPER_COMPILER_CXX
 PROPER_COMPILER_CXX

@@ -3670,11 +3675,11 @@
 
 
 
 
 #
-# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.  Oracle designates this

@@ -3793,10 +3798,23 @@
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
 
+# Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
+# Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
+
+
+# Check if the configured compiler (C and C++) is of a specific version or
+# newer. TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS must have been called before.
+#
+# Arguments:
+#   $1:   The version string to check against the found version
+#   $2:   block to run if the compiler is at least this version (>=)
+#   $3:   block to run if the compiler is older than this version (<)
+
+
 # $1 = compiler to test (CC or CXX)
 # $2 = human readable name of compiler (C or C++)
 
 
 

@@ -3816,21 +3834,35 @@
 
 
 
 
 
+# TOOLCHAIN_C_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
+#                                      [RUN-IF-FALSE])
+# ------------------------------------------------------------
+# Check that the C compiler supports an argument
+
+
+# TOOLCHAIN_CXX_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
+#                                        [RUN-IF-FALSE])
+# ------------------------------------------------------------
+# Check that the C++ compiler supports an argument
+
+
 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
 #                                   [RUN-IF-FALSE])
 # ------------------------------------------------------------
-# Check that the c and c++ compilers support an argument
+# Check that the C and C++ compilers support an argument
 
 
 
 
 # Setup the JTREG paths
 
 
+
+
 #
 # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it

@@ -3878,11 +3910,11 @@
 # definitions. It is replaced with custom functionality when building
 # custom sources.
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1449096260
+DATE_WHEN_GENERATED=1468207795
 
 ###############################################################################
 #
 # Initialization / Boot-strapping
 #

@@ -20366,11 +20398,12 @@
       as_fn_error $? "GCC compiler is required. Try setting --with-tools-dir." "$LINENO" 5
     fi
 
     # First line typically looks something like:
     # gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
-    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \([1-9][0-9.]*\)/\1/p"`
+    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | \
+        $SED -e 's/^.* \([1-9]\.[0-9.]*\)[^0-9.].*$/\1/'`
     COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) [1-9][0-9.]*/\1/p"`
   fi
   # This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
   CC_VERSION="$COMPILER_VERSION"
   # This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)

@@ -21967,11 +22000,12 @@
       as_fn_error $? "GCC compiler is required. Try setting --with-tools-dir." "$LINENO" 5
     fi
 
     # First line typically looks something like:
     # gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
-    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \([1-9][0-9.]*\)/\1/p"`
+    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | \
+        $SED -e 's/^.* \([1-9]\.[0-9.]*\)[^0-9.].*$/\1/'`
     COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) [1-9][0-9.]*/\1/p"`
   fi
   # This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
   CXX_VERSION="$COMPILER_VERSION"
   # This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)

@@ -22238,10 +22272,36 @@
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
+  # This is the compiler version number on the form X.Y[.Z]
+
+
+
+
+  if test "x$CC_VERSION" != "x$CXX_VERSION"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C and C++ compiler has different version numbers, $CC_VERSION vs $CXX_VERSION." >&5
+$as_echo "$as_me: WARNING: C and C++ compiler has different version numbers, $CC_VERSION vs $CXX_VERSION." >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: This typically indicates a broken setup, and is not supported" >&5
+$as_echo "$as_me: WARNING: This typically indicates a broken setup, and is not supported" >&2;}
+  fi
+
+  # We only check CC_VERSION since we assume CXX_VERSION is equal.
+  if  [[ "$CC_VERSION" =~ (.*\.){3} ]] ; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C compiler version number has more than three parts (X.Y.Z): $CC_VERSION. Comparisons might be wrong." >&5
+$as_echo "$as_me: WARNING: C compiler version number has more than three parts (X.Y.Z): $CC_VERSION. Comparisons might be wrong." >&2;}
+  fi
+
+  if  [[  "$CC_VERSION" =~ [0-9]{6} ]] ; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C compiler version number has a part larger than 99999: $CC_VERSION. Comparisons might be wrong." >&5
+$as_echo "$as_me: WARNING: C compiler version number has a part larger than 99999: $CC_VERSION. Comparisons might be wrong." >&2;}
+  fi
+
+  COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", $1, $2, $3) }' <<< "$CC_VERSION"`
+
+
   ### Locate other tools
 
   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
     ac_ext=m
 ac_cpp='$OBJCPP $CPPFLAGS'

@@ -24829,11 +24889,12 @@
 $as_echo "$as_me: Rewriting DUMPBIN to \"$new_complete\"" >&6;}
   fi
 
 
       COMPILER_TYPE=CL
-      CCXXFLAGS="$CCXXFLAGS -nologo"
+      # silence copyright notice and other headers.
+      COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
 
 fi
 
 
 

@@ -29662,35 +29723,298 @@
 
   ###############################################################################
   #
   # Now setup the CFLAGS and LDFLAGS for the JDK build.
   # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
+  #    CFLAGS_JDK    - C Compiler flags
+  #    CXXFLAGS_JDK  - C++ Compiler flags
+  #    COMMON_CCXXFLAGS_JDK - common to C and C++
   #
   case $COMPILER_NAME in
     gcc )
-      CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
+      COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
       -pipe \
       -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
+      CXXSTD_CXXFLAG="-std=gnu++98"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C++ compiler supports \"$CXXSTD_CXXFLAG $CFLAGS_WARNINGS_ARE_ERRORS\"" >&5
+$as_echo_n "checking if the C++ compiler supports \"$CXXSTD_CXXFLAG $CFLAGS_WARNINGS_ARE_ERRORS\"... " >&6; }
+  supports=yes
+
+  saved_cxxflags="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAG $CXXSTD_CXXFLAG $CFLAGS_WARNINGS_ARE_ERRORS"
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CXXFLAGS="$saved_cxxflags"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    :
+  else
+    CXXSTD_CXXFLAG=""
+  fi
+
+      CXXFLAGS_JDK="${CXXFLAGS_JDK} ${CXXSTD_CXXFLAG}"
+
       case $OPENJDK_TARGET_CPU_ARCH in
         arm )
           # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
           CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
           ;;
         ppc )
           # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
           ;;
         * )
-          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
+          COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
           CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
           ;;
       esac
+
+  REFERENCE_VERSION=6
+
+  if  [[ "$REFERENCE_VERSION" =~ (.*\.){3} ]] ; then
+    as_fn_error $? "Internal error: Cannot compare to $REFERENCE_VERSION, only three parts (X.Y.Z) is supported" "$LINENO" 5
+  fi
+
+  if  [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ; then
+    as_fn_error $? "Internal error: Cannot compare to $REFERENCE_VERSION, only parts < 99999 is supported" "$LINENO" 5
+  fi
+
+  # Version comparison method inspired by http://stackoverflow.com/a/24067243
+  COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", $1, $2, $3) }' <<< "$REFERENCE_VERSION"`
+
+  if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
+
+  # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
+  # runs afoul of the more aggressive versions of these optimisations.
+  # Notably, value range propagation now assumes that the this pointer of C++
+  # member functions is non-null.
+  NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C compiler supports \"$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror\"" >&5
+$as_echo_n "checking if the C compiler supports \"$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror\"... " >&6; }
+  supports=yes
+
+  saved_cflags="$CFLAGS"
+  CFLAGS="$CFLAGS $NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror"
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CFLAGS="$saved_cflags"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    C_COMP_SUPPORTS="yes"
+  else
+    C_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C++ compiler supports \"$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror\"" >&5
+$as_echo_n "checking if the C++ compiler supports \"$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror\"... " >&6; }
+  supports=yes
+
+  saved_cxxflags="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAG $NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror"
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CXXFLAGS="$saved_cxxflags"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    CXX_COMP_SUPPORTS="yes"
+  else
+    CXX_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if both compilers support \"$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror\"" >&5
+$as_echo_n "checking if both compilers support \"$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror\"... " >&6; }
+  supports=no
+  if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    :
+  else
+    NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""
+  fi
+
+
+  NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C compiler supports \"$NO_LIFETIME_DSE_CFLAG -Werror\"" >&5
+$as_echo_n "checking if the C compiler supports \"$NO_LIFETIME_DSE_CFLAG -Werror\"... " >&6; }
+  supports=yes
+
+  saved_cflags="$CFLAGS"
+  CFLAGS="$CFLAGS $NO_LIFETIME_DSE_CFLAG -Werror"
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CFLAGS="$saved_cflags"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    C_COMP_SUPPORTS="yes"
+  else
+    C_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C++ compiler supports \"$NO_LIFETIME_DSE_CFLAG -Werror\"" >&5
+$as_echo_n "checking if the C++ compiler supports \"$NO_LIFETIME_DSE_CFLAG -Werror\"... " >&6; }
+  supports=yes
+
+  saved_cxxflags="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAG $NO_LIFETIME_DSE_CFLAG -Werror"
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CXXFLAGS="$saved_cxxflags"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    CXX_COMP_SUPPORTS="yes"
+  else
+    CXX_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if both compilers support \"$NO_LIFETIME_DSE_CFLAG -Werror\"" >&5
+$as_echo_n "checking if both compilers support \"$NO_LIFETIME_DSE_CFLAG -Werror\"... " >&6; }
+  supports=no
+  if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    :
+  else
+    NO_LIFETIME_DSE_CFLAG=""
+  fi
+
+  CFLAGS_JDK="${CFLAGS_JDK} ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
+
+
+
+  else
+    :
+  fi
+
       ;;
     ossc )
-      CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
+      COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
       case $OPENJDK_TARGET_CPU_ARCH in
         x86 )
-          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
+          COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
           CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
           ;;
       esac
 
       CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"

@@ -29705,20 +30029,20 @@
 
       LDFLAGS_JDK="$LDFLAGS_JDK"
       LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK"
       ;;
     cl )
-      CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
+      COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
       -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
       -DWIN32 -DIAL"
       case $OPENJDK_TARGET_CPU in
         x86 )
-          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
+          COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
           ;;
         x86_64 )
-          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
+          COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
           ;;
       esac
       ;;
   esac
 

@@ -29744,11 +30068,11 @@
       CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
       JAVAC_FLAGS="$JAVAC_FLAGS -g"
       ;;
   esac
 
-  CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
+  COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64"
 
   # The package path is used only on macosx?
   PACKAGE_PATH=/opt/local
 
 

@@ -29757,73 +30081,73 @@
     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
     #   Note: -Dmacro         is the same as    #define macro 1
     #         -Dmacro=        is the same as    #define macro
     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
-      CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
+      COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
     else
-      CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
+      COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
     fi
   else
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
   fi
   if test "x$OPENJDK_TARGET_OS" = xlinux; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DLINUX"
   fi
   if test "x$OPENJDK_TARGET_OS" = xwindows; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DWINDOWS"
   fi
   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DSOLARIS"
   fi
   if test "x$OPENJDK_TARGET_OS" = xaix; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DAIX -DPPC64"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DAIX -DPPC64"
   fi
   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
     # Setting these parameters makes it an error to link to macosx APIs that are
     # newer than the given OS version and makes the linked binaries compatible even
     # if built on a newer version of the OS.
     # The expected format is X.Y.Z
     MACOSX_VERSION_MIN=10.7.0
 
     # The macro takes the version with no dots, ex: 1070
     # Let the flags variables get resolved in make for easier override on make
     # command line.
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
     LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   fi
   if test "x$OPENJDK_TARGET_OS" = xbsd; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
   fi
   if test "x$DEBUG_LEVEL" = xrelease; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG"
   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED"
   fi
   else
-    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
+    COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG"
   fi
 
-  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
-  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
+  COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
+  COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
 
-  CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
+  COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \
       -I${JDK_OUTPUTDIR}/include \
       -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
       -I${JDK_TOPDIR}/src/share/javavm/export \
       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \
       -I${JDK_TOPDIR}/src/share/native/common \
       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
 
   # The shared libraries are compiled using the picflag.
-  CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
-  CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
+  CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
+  CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
 
   # Executable flags
-  CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
-  CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
+  CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
+  CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
 
   # Now this is odd. The JDK native libraries have to link against libjvm.so
   # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
   # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
   # is identical for client and server? Yes. Which is picked at runtime (client or server)?

@@ -29903,23 +30227,23 @@
 
 
 
 
 
-
   # Some Zero and Shark settings.
   # ZERO_ARCHFLAG tells the compiler which mode to build for
   case "${OPENJDK_TARGET_CPU}" in
     s390)
       ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
       ;;
     *)
       ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
   esac
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports \"$ZERO_ARCHFLAG\"" >&5
-$as_echo_n "checking if compiler supports \"$ZERO_ARCHFLAG\"... " >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C compiler supports \"$ZERO_ARCHFLAG\"" >&5
+$as_echo_n "checking if the C compiler supports \"$ZERO_ARCHFLAG\"... " >&6; }
   supports=yes
 
   saved_cflags="$CFLAGS"
   CFLAGS="$CFLAGS $ZERO_ARCHFLAG"
   ac_ext=c

@@ -29944,10 +30268,23 @@
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
   CFLAGS="$saved_cflags"
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    C_COMP_SUPPORTS="yes"
+  else
+    C_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C++ compiler supports \"$ZERO_ARCHFLAG\"" >&5
+$as_echo_n "checking if the C++ compiler supports \"$ZERO_ARCHFLAG\"... " >&6; }
+  supports=yes
+
   saved_cxxflags="$CXXFLAGS"
   CXXFLAGS="$CXXFLAG $ZERO_ARCHFLAG"
   ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'

@@ -29973,22 +30310,37 @@
   CXXFLAGS="$saved_cxxflags"
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
 $as_echo "$supports" >&6; }
   if test "x$supports" = "xyes" ; then
+    CXX_COMP_SUPPORTS="yes"
+  else
+    CXX_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if both compilers support \"$ZERO_ARCHFLAG\"" >&5
+$as_echo_n "checking if both compilers support \"$ZERO_ARCHFLAG\"... " >&6; }
+  supports=no
+  if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
     :
   else
     ZERO_ARCHFLAG=""
   fi
 
 
 
   # Check that the compiler supports -mX (or -qX on AIX) flags
   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"" >&5
-$as_echo_n "checking if compiler supports \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"... " >&6; }
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C compiler supports \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"" >&5
+$as_echo_n "checking if the C compiler supports \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"... " >&6; }
   supports=yes
 
   saved_cflags="$CFLAGS"
   CFLAGS="$CFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
   ac_ext=c

@@ -30013,10 +30365,23 @@
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
   CFLAGS="$saved_cflags"
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    C_COMP_SUPPORTS="yes"
+  else
+    C_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the C++ compiler supports \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"" >&5
+$as_echo_n "checking if the C++ compiler supports \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"... " >&6; }
+  supports=yes
+
   saved_cxxflags="$CXXFLAGS"
   CXXFLAGS="$CXXFLAG ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
   ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'

@@ -30042,10 +30407,24 @@
   CXXFLAGS="$saved_cxxflags"
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
 $as_echo "$supports" >&6; }
   if test "x$supports" = "xyes" ; then
+    CXX_COMP_SUPPORTS="yes"
+  else
+    CXX_COMP_SUPPORTS="no"
+  fi
+
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if both compilers support \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"" >&5
+$as_echo_n "checking if both compilers support \"${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}\"... " >&6; }
+  supports=no
+  if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
     COMPILER_SUPPORTS_TARGET_BITS_FLAG=true
   else
     COMPILER_SUPPORTS_TARGET_BITS_FLAG=false
   fi
 
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