8160630: libjimage.so and others should link statically to libgcc
Reviewed-by: ihse, tbell
#
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
################################################################################
# Setup the standard C/C++ runtime libraries.
#
# Most importantly, determine if stdc++ should be linked statically or
# dynamically.
################################################################################
AC_DEFUN_ONCE([LIB_SETUP_STD_LIBS],
[
# statically link libstdc++ before C++ ABI is stablized on Linux unless
# dynamic build is configured on command line.
AC_ARG_WITH([stdc++lib], [AS_HELP_STRING([--with-stdc++lib=<static>,<dynamic>,<default>],
[force linking of the C++ runtime on Linux to either static or dynamic, default is static with dynamic as fallback])],
[
if test "x$with_stdc__lib" != xdynamic && test "x$with_stdc__lib" != xstatic \
&& test "x$with_stdc__lib" != xdefault; then
AC_MSG_ERROR([Bad parameter value --with-stdc++lib=$with_stdc__lib!])
fi
],
[with_stdc__lib=default]
)
if test "x$OPENJDK_TARGET_OS" = xlinux; then
# Test if stdc++ can be linked statically.
AC_MSG_CHECKING([if static link of stdc++ is possible])
STATIC_STDCXX_FLAGS="-static-libstdc++ -static-libgcc"
AC_LANG_PUSH(C++)
OLD_LIBS="$LIBS"
LIBS="$STATIC_STDCXX_FLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[has_static_libstdcxx=yes],
[has_static_libstdcxx=no])
LIBS="$OLD_LIBS"
AC_LANG_POP(C++)
AC_MSG_RESULT([$has_static_libstdcxx])
if test "x$with_stdc__lib" = xstatic && test "x$has_static_libstdcxx" = xno; then
AC_MSG_ERROR([Static linking of libstdc++ was not possible!])
fi
# If dynamic was requested, it's available since it would fail above otherwise.
# If dynamic wasn't requested, go with static unless it isn't available.
AC_MSG_CHECKING([how to link with libstdc++])
if test "x$with_stdc__lib" = xdynamic || test "x$has_static_libstdcxx" = xno \
|| HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
AC_MSG_RESULT([dynamic])
else
LIBCXX="$LIBCXX $STATIC_STDCXX_FLAGS"
JVM_LDFLAGS="$JVM_LDFLAGS $STATIC_STDCXX_FLAGS"
# Ideally, we should test stdc++ for the BUILD toolchain separately. For now
# just use the same setting as for the TARGET toolchain.
OPENJDK_BUILD_JVM_LDFLAGS="$OPENJDK_BUILD_JVM_LDFLAGS $STATIC_STDCXX_FLAGS"
AC_MSG_RESULT([static])
fi
fi
# libCrun is the c++ runtime-library with SunStudio (roughly the equivalent of gcc's libstdc++.so)
if test "x$TOOLCHAIN_TYPE" = xsolstudio && test "x$LIBCXX" = x; then
LIBCXX="${SYSROOT}/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1"
fi
AC_SUBST(LIBCXX)
# Setup Windows runtime dlls
if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
TOOLCHAIN_SETUP_VS_RUNTIME_DLLS
fi
])