rev 47445 : 8171853: Remove Shark compiler

   1 #
   2 # Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
   3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 #
   5 # This code is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License version 2 only, as
   7 # published by the Free Software Foundation.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle in the LICENSE file that accompanied this code.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 ################################################################################
  27 # Setup the standard C/C++ runtime libraries.
  28 #
  29 # Most importantly, determine if stdc++ should be linked statically or
  30 # dynamically.
  31 ################################################################################
  32 AC_DEFUN_ONCE([LIB_SETUP_STD_LIBS],
  33 [
  34   # statically link libstdc++ before C++ ABI is stablized on Linux unless
  35   # dynamic build is configured on command line.
  36   AC_ARG_WITH([stdc++lib], [AS_HELP_STRING([--with-stdc++lib=<static>,<dynamic>,<default>],
  37       [force linking of the C++ runtime on Linux to either static or dynamic, default is static with dynamic as fallback])],
  38       [
  39         if test "x$with_stdc__lib" != xdynamic && test "x$with_stdc__lib" != xstatic \
  40                 && test "x$with_stdc__lib" != xdefault; then
  41           AC_MSG_ERROR([Bad parameter value --with-stdc++lib=$with_stdc__lib!])
  42         fi
  43       ],
  44       [with_stdc__lib=default]
  45   )
  46 
  47   if test "x$OPENJDK_TARGET_OS" = xlinux; then
  48     # Test if stdc++ can be linked statically.
  49     AC_MSG_CHECKING([if static link of stdc++ is possible])
  50     STATIC_STDCXX_FLAGS="-static-libstdc++ -static-libgcc"
  51     AC_LANG_PUSH(C++)
  52     OLD_LIBS="$LIBS"
  53     LIBS="$STATIC_STDCXX_FLAGS"
  54     AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
  55         [has_static_libstdcxx=yes],
  56         [has_static_libstdcxx=no])
  57     LIBS="$OLD_LIBS"
  58     AC_LANG_POP(C++)
  59     AC_MSG_RESULT([$has_static_libstdcxx])
  60 
  61     if test "x$with_stdc__lib" = xstatic && test "x$has_static_libstdcxx" = xno; then
  62       AC_MSG_ERROR([Static linking of libstdc++ was not possible!])
  63     fi
  64 
  65     # If dynamic was requested, it's available since it would fail above otherwise.
  66     # If dynamic wasn't requested, go with static unless it isn't available.
  67     AC_MSG_CHECKING([how to link with libstdc++])
  68     if test "x$with_stdc__lib" = xdynamic || test "x$has_static_libstdcxx" = xno \
  69         || HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
  70       AC_MSG_RESULT([dynamic])
  71     else
  72       LIBCXX="$LIBCXX $STATIC_STDCXX_FLAGS"
  73       JVM_LDFLAGS="$JVM_LDFLAGS $STATIC_STDCXX_FLAGS"
  74       # Ideally, we should test stdc++ for the BUILD toolchain separately. For now
  75       # just use the same setting as for the TARGET toolchain.
  76       OPENJDK_BUILD_JVM_LDFLAGS="$OPENJDK_BUILD_JVM_LDFLAGS $STATIC_STDCXX_FLAGS"
  77       AC_MSG_RESULT([static])
  78     fi
  79   fi
  80 
  81   # libCrun is the c++ runtime-library with SunStudio (roughly the equivalent of gcc's libstdc++.so)
  82   if test "x$TOOLCHAIN_TYPE" = xsolstudio && test "x$LIBCXX" = x; then
  83     LIBCXX="${SYSROOT}/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1"
  84   fi
  85 
  86   AC_SUBST(LIBCXX)
  87 
  88   # Setup Windows runtime dlls
  89   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
  90     TOOLCHAIN_SETUP_VS_RUNTIME_DLLS
  91   fi
  92 ])
--- EOF ---