author | dchuyko |
Tue, 19 Jun 2018 18:18:46 +0300 | |
changeset 50642 | fff48b02d4a6 |
parent 49120 | c04d813140dc |
permissions | -rw-r--r-- |
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# |
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# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. |
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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# |
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# This code is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License version 2 only, as |
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# published by the Free Software Foundation. Oracle designates this |
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# particular file as subject to the "Classpath" exception as provided |
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# by Oracle in the LICENSE file that accompanied this code. |
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# |
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# This code is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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# version 2 for more details (a copy is included in the LICENSE file that |
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# accompanied this code). |
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# |
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# You should have received a copy of the GNU General Public License version |
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# 2 along with this work; if not, write to the Free Software Foundation, |
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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# or visit www.oracle.com if you need additional information or have any |
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# questions. |
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# |
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################################################################################ |
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# Setup the standard C/C++ runtime libraries. |
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# |
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# Most importantly, determine if stdc++ should be linked statically or |
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# dynamically. |
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################################################################################ |
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AC_DEFUN_ONCE([LIB_SETUP_STD_LIBS], |
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[ |
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# statically link libstdc++ before C++ ABI is stablized on Linux unless |
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# dynamic build is configured on command line. |
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AC_ARG_WITH([stdc++lib], [AS_HELP_STRING([--with-stdc++lib=<static>,<dynamic>,<default>], |
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[force linking of the C++ runtime on Linux to either static or dynamic, default is static with dynamic as fallback])], |
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[ |
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if test "x$with_stdc__lib" != xdynamic && test "x$with_stdc__lib" != xstatic \ |
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&& test "x$with_stdc__lib" != xdefault; then |
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AC_MSG_ERROR([Bad parameter value --with-stdc++lib=$with_stdc__lib!]) |
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fi |
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], |
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[with_stdc__lib=default] |
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) |
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if test "x$OPENJDK_TARGET_OS" = xlinux; then |
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# Test if stdc++ can be linked statically. |
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AC_MSG_CHECKING([if static link of stdc++ is possible]) |
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STATIC_STDCXX_FLAGS="-static-libstdc++ -static-libgcc" |
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AC_LANG_PUSH(C++) |
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OLD_LIBS="$LIBS" |
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LIBS="$STATIC_STDCXX_FLAGS" |
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])], |
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[has_static_libstdcxx=yes], |
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[has_static_libstdcxx=no]) |
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LIBS="$OLD_LIBS" |
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AC_LANG_POP(C++) |
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AC_MSG_RESULT([$has_static_libstdcxx]) |
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if test "x$with_stdc__lib" = xstatic && test "x$has_static_libstdcxx" = xno; then |
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AC_MSG_ERROR([Static linking of libstdc++ was not possible!]) |
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fi |
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# If dynamic was requested, it's available since it would fail above otherwise. |
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# If dynamic wasn't requested, go with static unless it isn't available. |
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AC_MSG_CHECKING([how to link with libstdc++]) |
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if test "x$with_stdc__lib" = xdynamic || test "x$has_static_libstdcxx" = xno ; then |
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AC_MSG_RESULT([dynamic]) |
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else |
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LIBCXX="$LIBCXX $STATIC_STDCXX_FLAGS" |
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JVM_LDFLAGS="$JVM_LDFLAGS $STATIC_STDCXX_FLAGS" |
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# Ideally, we should test stdc++ for the BUILD toolchain separately. For now |
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# just use the same setting as for the TARGET toolchain. |
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OPENJDK_BUILD_JVM_LDFLAGS="$OPENJDK_BUILD_JVM_LDFLAGS $STATIC_STDCXX_FLAGS" |
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AC_MSG_RESULT([static]) |
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fi |
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fi |
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# libCrun is the c++ runtime-library with SunStudio (roughly the equivalent of gcc's libstdc++.so) |
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if test "x$TOOLCHAIN_TYPE" = xsolstudio && test "x$LIBCXX" = x; then |
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LIBCXX="${SYSROOT}/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1" |
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fi |
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if test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
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LIBCXX_JVM="-lCrun" |
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fi |
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AC_SUBST(LIBCXX) |
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# Setup Windows runtime dlls |
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if test "x$OPENJDK_TARGET_OS" = "xwindows"; then |
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TOOLCHAIN_SETUP_VS_RUNTIME_DLLS |
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fi |
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]) |