libraries.m4 30.6 KB
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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.
#
# 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
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# 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.
#

AC_DEFUN_ONCE([LIB_SETUP_INIT],
[
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  ###############################################################################
  #
  # OS specific settings that we never will need to probe.
  #
  if test "x$OPENJDK_TARGET_OS" = xlinux; then
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    AC_MSG_CHECKING([what is not needed on Linux?])
    PULSE_NOT_NEEDED=yes
    AC_MSG_RESULT([pulse])
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  fi
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  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
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    AC_MSG_CHECKING([what is not needed on Solaris?])
    ALSA_NOT_NEEDED=yes
    PULSE_NOT_NEEDED=yes
    AC_MSG_RESULT([alsa pulse])
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  fi
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  if test "x$OPENJDK_TARGET_OS" = xaix; then
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    AC_MSG_CHECKING([what is not needed on AIX?])
    ALSA_NOT_NEEDED=yes
    PULSE_NOT_NEEDED=yes
    AC_MSG_RESULT([alsa pulse])
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  fi
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  if test "x$OPENJDK_TARGET_OS" = xwindows; then
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    AC_MSG_CHECKING([what is not needed on Windows?])
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    CUPS_NOT_NEEDED=yes
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    ALSA_NOT_NEEDED=yes
    PULSE_NOT_NEEDED=yes
    X11_NOT_NEEDED=yes
    AC_MSG_RESULT([alsa cups pulse x11])
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  fi
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  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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    AC_MSG_CHECKING([what is not needed on MacOSX?])
    ALSA_NOT_NEEDED=yes
    PULSE_NOT_NEEDED=yes
    X11_NOT_NEEDED=yes
    AC_MSG_RESULT([alsa pulse x11])
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  fi
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  if test "x$OPENJDK_TARGET_OS" = xbsd; then
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    AC_MSG_CHECKING([what is not needed on bsd?])
    ALSA_NOT_NEEDED=yes
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    AC_MSG_RESULT([alsa])
  fi
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  if test "x$OPENJDK" = "xfalse"; then
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    FREETYPE_NOT_NEEDED=yes
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  fi
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  if test "x$SUPPORT_HEADFUL" = xno; then
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    X11_NOT_NEEDED=yes
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  fi
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  # Deprecated and now ignored
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  BASIC_DEPRECATED_ARG_ENABLE(macosx-runtime-support, macosx_runtime_support)
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])

AC_DEFUN_ONCE([LIB_SETUP_X11],
[

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  ###############################################################################
  #
  # Check for X Windows
  #

  # Check if the user has specified sysroot, but not --x-includes or --x-libraries.
  # Make a simple check for the libraries at the sysroot, and setup --x-includes and
  # --x-libraries for the sysroot, if that seems to be correct.
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  if test "x$OPENJDK_TARGET_OS" = "xlinux"; then
    if test "x$SYSROOT" != "x"; then
      if test "x$x_includes" = xNONE; then
        if test -f "$SYSROOT/usr/X11R6/include/X11/Xlib.h"; then
          x_includes="$SYSROOT/usr/X11R6/include"
        elif test -f "$SYSROOT/usr/include/X11/Xlib.h"; then
          x_includes="$SYSROOT/usr/include"
        fi
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      fi
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      if test "x$x_libraries" = xNONE; then
        if test -f "$SYSROOT/usr/X11R6/lib/libX11.so"; then
          x_libraries="$SYSROOT/usr/X11R6/lib"
        elif test "$SYSROOT/usr/lib64/libX11.so" && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
          x_libraries="$SYSROOT/usr/lib64"
        elif test -f "$SYSROOT/usr/lib/libX11.so"; then
          x_libraries="$SYSROOT/usr/lib"
        fi
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      fi
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    fi
  fi

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  # Now let autoconf do it's magic
  AC_PATH_X
  AC_PATH_XTRA
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  # AC_PATH_XTRA creates X_LIBS and sometimes adds -R flags. When cross compiling
  # this doesn't make sense so we remove it.
  if test "x$COMPILE_TYPE" = xcross; then
    X_LIBS=`$ECHO $X_LIBS | $SED 's/-R \{0,1\}[[^ ]]*//g'`
  fi
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  if test "x$no_x" = xyes && test "x$X11_NOT_NEEDED" != xyes; then
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    HELP_MSG_MISSING_DEPENDENCY([x11])
    AC_MSG_ERROR([Could not find X11 libraries. $HELP_MSG])
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  fi
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  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
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    OPENWIN_HOME="/usr/openwin"
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    X_CFLAGS="-I$SYSROOT$OPENWIN_HOME/include -I$SYSROOT$OPENWIN_HOME/include/X11/extensions"
    X_LIBS="-L$SYSROOT$OPENWIN_HOME/sfw/lib$OPENJDK_TARGET_CPU_ISADIR \
        -L$SYSROOT$OPENWIN_HOME/lib$OPENJDK_TARGET_CPU_ISADIR \
        -R$OPENWIN_HOME/sfw/lib$OPENJDK_TARGET_CPU_ISADIR \
        -R$OPENWIN_HOME/lib$OPENJDK_TARGET_CPU_ISADIR"
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  fi
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  #
  # Weird Sol10 something check...TODO change to try compile
  #
  if test "x${OPENJDK_TARGET_OS}" = xsolaris; then
    if test "`uname -r`" = "5.10"; then
      if test "`${EGREP} -c XLinearGradient ${OPENWIN_HOME}/share/include/X11/extensions/Xrender.h`" = "0"; then
        X_CFLAGS="${X_CFLAGS} -DSOLARIS10_NO_XRENDER_STRUCTS"
      fi
    fi
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  fi

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  AC_LANG_PUSH(C)
  OLD_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS $X_CFLAGS"
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  # Need to include Xlib.h and Xutil.h to avoid "present but cannot be compiled" warnings on Solaris 10
  AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h X11/Intrinsic.h],
      [X11_A_OK=yes],
      [X11_A_OK=no; break],
      [
        # include <X11/Xlib.h>
        # include <X11/Xutil.h>
      ]
  )
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  CFLAGS="$OLD_CFLAGS"
  AC_LANG_POP(C)
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  if test "x$X11_A_OK" = xno && test "x$X11_NOT_NEEDED" != xyes; then
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    HELP_MSG_MISSING_DEPENDENCY([x11])
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    AC_MSG_ERROR([Could not find all X11 headers (shape.h Xrender.h XTest.h Intrinsic.h). $HELP_MSG])
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  fi
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  AC_SUBST(X_CFLAGS)
  AC_SUBST(X_LIBS)
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])

AC_DEFUN_ONCE([LIB_SETUP_CUPS],
[

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  ###############################################################################
  #
  # The common unix printing system cups is used to print from java.
  #
  AC_ARG_WITH(cups, [AS_HELP_STRING([--with-cups],
      [specify prefix directory for the cups package
      (expecting the headers under PATH/include)])])
  AC_ARG_WITH(cups-include, [AS_HELP_STRING([--with-cups-include],
      [specify directory for the cups include files])])

  if test "x$CUPS_NOT_NEEDED" = xyes; then
    if test "x${with_cups}" != x || test "x${with_cups_include}" != x; then
      AC_MSG_WARN([cups not used, so --with-cups is ignored])
    fi
    CUPS_CFLAGS=
  else
    CUPS_FOUND=no

    if test "x${with_cups}" = xno || test "x${with_cups_include}" = xno; then
      AC_MSG_ERROR([It is not possible to disable the use of cups. Remove the --without-cups option.])
    fi

    if test "x${with_cups}" != x; then
      CUPS_CFLAGS="-I${with_cups}/include"
      CUPS_FOUND=yes
    fi
    if test "x${with_cups_include}" != x; then
      CUPS_CFLAGS="-I${with_cups_include}"
      CUPS_FOUND=yes
    fi
    if test "x$CUPS_FOUND" = xno; then
      BDEPS_CHECK_MODULE(CUPS, cups, xxx, [CUPS_FOUND=yes])
    fi
    if test "x$CUPS_FOUND" = xno; then
      # Are the cups headers installed in the default /usr/include location?
      AC_CHECK_HEADERS([cups/cups.h cups/ppd.h],
          [
            CUPS_FOUND=yes
            CUPS_CFLAGS=
            DEFAULT_CUPS=yes
          ]
      )
    fi
    if test "x$CUPS_FOUND" = xno; then
      # Getting nervous now? Lets poke around for standard Solaris third-party
      # package installation locations.
      AC_MSG_CHECKING([for cups headers])
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      if test -s $SYSROOT/opt/sfw/cups/include/cups/cups.h; then
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        # An SFW package seems to be installed!
        CUPS_FOUND=yes
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        CUPS_CFLAGS="-I$SYSROOT/opt/sfw/cups/include"
      elif test -s $SYSROOT/opt/csw/include/cups/cups.h; then
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        # A CSW package seems to be installed!
        CUPS_FOUND=yes
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        CUPS_CFLAGS="-I$SYSROOT/opt/csw/include"
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      fi
      AC_MSG_RESULT([$CUPS_FOUND])
    fi
    if test "x$CUPS_FOUND" = xno; then
      HELP_MSG_MISSING_DEPENDENCY([cups])
      AC_MSG_ERROR([Could not find cups! $HELP_MSG ])
    fi
  fi

  AC_SUBST(CUPS_CFLAGS)
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])

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AC_DEFUN([LIB_CHECK_POTENTIAL_FREETYPE],
[
  POTENTIAL_FREETYPE_INCLUDE_PATH="$1"
  POTENTIAL_FREETYPE_LIB_PATH="$2"
  METHOD="$3"
  
  # First check if the files exists.
  if test -s "$POTENTIAL_FREETYPE_INCLUDE_PATH/ft2build.h"; then
    # We found an arbitrary include file. That's a good sign.
    AC_MSG_NOTICE([Found freetype include files at $POTENTIAL_FREETYPE_INCLUDE_PATH using $METHOD])
    FOUND_FREETYPE=yes

    FREETYPE_LIB_NAME="${LIBRARY_PREFIX}freetype${SHARED_LIBRARY_SUFFIX}"
    if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME"; then
      AC_MSG_NOTICE([Could not find $POTENTIAL_FREETYPE_LIB_PATH/$FREETYPE_LIB_NAME. Ignoring location.])
      FOUND_FREETYPE=no
    else
      if test "x$OPENJDK_TARGET_OS" = xwindows; then
        # On Windows, we will need both .lib and .dll file.
        if ! test -s "$POTENTIAL_FREETYPE_LIB_PATH/freetype.lib"; then
          AC_MSG_NOTICE([Could not find $POTENTIAL_FREETYPE_LIB_PATH/freetype.lib. Ignoring location.])
          FOUND_FREETYPE=no
        fi
      elif test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64 && test -s "$POTENTIAL_FREETYPE_LIB_PATH/amd64/$FREETYPE_LIB_NAME"; then
        # On solaris-x86_86, default is (normally) PATH/lib/amd64. Update our guess!
        POTENTIAL_FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH/amd64"
      fi
    fi
  fi

  if test "x$FOUND_FREETYPE" = xyes; then
    BASIC_FIXUP_PATH(POTENTIAL_FREETYPE_INCLUDE_PATH)
    BASIC_FIXUP_PATH(POTENTIAL_FREETYPE_LIB_PATH)

    FREETYPE_INCLUDE_PATH="$POTENTIAL_FREETYPE_INCLUDE_PATH"
    AC_MSG_CHECKING([for freetype includes])
    AC_MSG_RESULT([$FREETYPE_INCLUDE_PATH])
    FREETYPE_LIB_PATH="$POTENTIAL_FREETYPE_LIB_PATH"
    AC_MSG_CHECKING([for freetype libraries])
    AC_MSG_RESULT([$FREETYPE_LIB_PATH])
  fi
])

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AC_DEFUN_ONCE([LIB_SETUP_FREETYPE],
[

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  ###############################################################################
  #
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  # The ubiquitous freetype library is used to render fonts.
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  #
  AC_ARG_WITH(freetype, [AS_HELP_STRING([--with-freetype],
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      [specify prefix directory for the freetype package
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      (expecting the libraries under PATH/lib and the headers under PATH/include)])])
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  AC_ARG_WITH(freetype-include, [AS_HELP_STRING([--with-freetype-include],
      [specify directory for the freetype include files])])
  AC_ARG_WITH(freetype-lib, [AS_HELP_STRING([--with-freetype-lib],
      [specify directory for the freetype library])])
  AC_ARG_ENABLE(freetype-bundling, [AS_HELP_STRING([--disable-freetype-bundling],
      [disable bundling of the freetype library with the build result @<:@enabled on Windows or when using --with-freetype, disabled otherwise@:>@])])

  FREETYPE_CFLAGS=
  FREETYPE_LIBS=
  FREETYPE_BUNDLE_LIB_PATH=

  if test "x$FREETYPE_NOT_NEEDED" = xyes; then
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    if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then
      AC_MSG_WARN([freetype not used, so --with-freetype is ignored])
    fi
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    if test "x$enable_freetype_bundling" != x; then
      AC_MSG_WARN([freetype not used, so --enable-freetype-bundling is ignored])
    fi
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  else
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    # freetype is needed to build; go get it!

    BUNDLE_FREETYPE="$enable_freetype_bundling"

    if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then
      # User has specified settings

      if test "x$BUNDLE_FREETYPE" = x; then
        # If not specified, default is to bundle freetype
        BUNDLE_FREETYPE=yes
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      fi
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      if test "x$with_freetype" != x; then
        POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype/include"
        POTENTIAL_FREETYPE_LIB_PATH="$with_freetype/lib"
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      fi
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      # Allow --with-freetype-lib and --with-freetype-include to override
      if test "x$with_freetype_include" != x; then
        POTENTIAL_FREETYPE_INCLUDE_PATH="$with_freetype_include"
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      fi
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      if test "x$with_freetype_lib" != x; then
        POTENTIAL_FREETYPE_LIB_PATH="$with_freetype_lib"
      fi

      if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" != x && test "x$POTENTIAL_FREETYPE_LIB_PATH" != x; then
        # Okay, we got it. Check that it works.
        LIB_CHECK_POTENTIAL_FREETYPE($POTENTIAL_FREETYPE_INCLUDE_PATH, $POTENTIAL_FREETYPE_LIB_PATH, [--with-freetype])
        if test "x$FOUND_FREETYPE" != xyes; then
          AC_MSG_ERROR([Can not find or use freetype at location given by --with-freetype])
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        fi
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      else
        # User specified only one of lib or include. This is an error.
        if test "x$POTENTIAL_FREETYPE_INCLUDE_PATH" = x ; then
          AC_MSG_NOTICE([User specified --with-freetype-lib but not --with-freetype-include])
          AC_MSG_ERROR([Need both freetype lib and include paths. Consider using --with-freetype instead.])
        else
          AC_MSG_NOTICE([User specified --with-freetype-include but not --with-freetype-lib])
          AC_MSG_ERROR([Need both freetype lib and include paths. Consider using --with-freetype instead.])
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        fi
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      fi
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    else
      # User did not specify settings, but we need freetype. Try to locate it.

      if test "x$BUNDLE_FREETYPE" = x; then
        # If not specified, default is to bundle freetype only on windows
        if test "x$OPENJDK_TARGET_OS" = xwindows; then
          BUNDLE_FREETYPE=yes
        else
          BUNDLE_FREETYPE=no
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        fi
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      fi

      if test "x$FOUND_FREETYPE" != xyes; then
        # Check builddeps
        BDEPS_CHECK_MODULE(FREETYPE, freetype2, xxx, [FOUND_FREETYPE=yes], [FOUND_FREETYPE=no])
        # BDEPS_CHECK_MODULE will set FREETYPE_CFLAGS and _LIBS, but we don't get a lib path for bundling.
        if test "x$FOUND_FREETYPE" = xyes; then
          if test "x$BUNDLE_FREETYPE" = xyes; then
            AC_MSG_NOTICE([Found freetype using builddeps, but ignoring since we can not bundle that])
            FOUND_FREETYPE=no
          else
            AC_MSG_CHECKING([for freetype])
            AC_MSG_RESULT([yes (using builddeps)])
          fi
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        fi
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      fi
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      # If we have a sysroot, assume that's where we are supposed to look and skip pkg-config.
      if test "x$SYSROOT" = x; then
        if test "x$FOUND_FREETYPE" != xyes; then
          # Check modules using pkg-config, but only if we have it (ugly output results otherwise)
          if test "x$PKG_CONFIG" != x; then
            PKG_CHECK_MODULES(FREETYPE, freetype2, [FOUND_FREETYPE=yes], [FOUND_FREETYPE=no])
            if test "x$FOUND_FREETYPE" = xyes; then
              # On solaris, pkg_check adds -lz to freetype libs, which isn't necessary for us.
              FREETYPE_LIBS=`$ECHO $FREETYPE_LIBS | $SED 's/-lz//g'`
              # 64-bit libs for Solaris x86 are installed in the amd64 subdirectory, change lib to lib/amd64
              if test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
                FREETYPE_LIBS=`$ECHO $FREETYPE_LIBS | $SED 's?/lib?/lib/amd64?g'`
              fi
              # BDEPS_CHECK_MODULE will set FREETYPE_CFLAGS and _LIBS, but we don't get a lib path for bundling.
              if test "x$BUNDLE_FREETYPE" = xyes; then
                AC_MSG_NOTICE([Found freetype using pkg-config, but ignoring since we can not bundle that])
                FOUND_FREETYPE=no
              else
                AC_MSG_CHECKING([for freetype])
                AC_MSG_RESULT([yes (using pkg-config)])
              fi
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            fi
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          fi
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        fi
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      fi
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      if test "x$FOUND_FREETYPE" != xyes; then
        # Check in well-known locations
        if test "x$OPENJDK_TARGET_OS" = xwindows; then
          FREETYPE_BASE_DIR="$PROGRAMFILES/GnuWin32"
          BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(FREETYPE_BASE_DIR)
          LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])
          if test "x$FOUND_FREETYPE" != xyes; then
            FREETYPE_BASE_DIR="$ProgramW6432/GnuWin32"
            BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(FREETYPE_BASE_DIR)
            LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])
          fi
        else
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          FREETYPE_BASE_DIR="$SYSROOT/usr"
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          LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])

          if test "x$FOUND_FREETYPE" != xyes; then
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            FREETYPE_BASE_DIR="$SYSROOT/usr/X11"
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            LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])
          fi

          if test "x$FOUND_FREETYPE" != xyes; then
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            FREETYPE_BASE_DIR="$SYSROOT/usr/sfw"
            LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib], [well-known location])
          fi

          if test "x$FOUND_FREETYPE" != xyes; then
            FREETYPE_BASE_DIR="$SYSROOT/usr"
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            if test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
              LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib/x86_64-linux-gnu], [well-known location])
            else
              LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib/i386-linux-gnu], [well-known location])
              if test "x$FOUND_FREETYPE" != xyes; then
                LIB_CHECK_POTENTIAL_FREETYPE([$FREETYPE_BASE_DIR/include], [$FREETYPE_BASE_DIR/lib32], [well-known location])
              fi
            fi
          fi
        fi
      fi # end check in well-known locations

      if test "x$FOUND_FREETYPE" != xyes; then
        HELP_MSG_MISSING_DEPENDENCY([freetype])
        AC_MSG_ERROR([Could not find freetype! $HELP_MSG ])
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      fi
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    fi # end user specified settings

    # Set FREETYPE_CFLAGS, _LIBS and _LIB_PATH from include and lib dir.
    if test "x$FREETYPE_CFLAGS" = x; then
      BASIC_FIXUP_PATH(FREETYPE_INCLUDE_PATH)
      if test -d $FREETYPE_INCLUDE_PATH/freetype2/freetype; then
        FREETYPE_CFLAGS="-I$FREETYPE_INCLUDE_PATH/freetype2 -I$FREETYPE_INCLUDE_PATH"
      else
        FREETYPE_CFLAGS="-I$FREETYPE_INCLUDE_PATH"
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      fi
    fi
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    if test "x$FREETYPE_LIBS" = x; then
      BASIC_FIXUP_PATH(FREETYPE_LIB_PATH)
      if test "x$OPENJDK_TARGET_OS" = xwindows; then
        FREETYPE_LIBS="$FREETYPE_LIB_PATH/freetype.lib"
      else
        FREETYPE_LIBS="-L$FREETYPE_LIB_PATH -lfreetype"
      fi
482
    fi
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    # Try to compile it
    AC_MSG_CHECKING([if we can compile and link with freetype])
    AC_LANG_PUSH(C++)
    PREV_CXXCFLAGS="$CXXFLAGS"
488
    PREV_LIBS="$LIBS"
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    PREV_CXX="$CXX"
    CXXFLAGS="$CXXFLAGS $FREETYPE_CFLAGS" 
491
    LIBS="$LIBS $FREETYPE_LIBS"
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    CXX="$FIXPATH $CXX"
    AC_LINK_IFELSE([AC_LANG_SOURCE([[
          #include<ft2build.h>
          #include FT_FREETYPE_H
          int main () {
            FT_Init_FreeType(NULL);
            return 0;
          }
        ]])],
        [
          AC_MSG_RESULT([yes])
        ],
        [
          AC_MSG_RESULT([no])
          AC_MSG_NOTICE([Could not compile and link with freetype. This might be a 32/64-bit mismatch.])
          AC_MSG_NOTICE([Using FREETYPE_CFLAGS=$FREETYPE_CFLAGS and FREETYPE_LIBS=$FREETYPE_LIBS])
          
          HELP_MSG_MISSING_DEPENDENCY([freetype])
          
          AC_MSG_ERROR([Can not continue without freetype. $HELP_MSG])
        ]
    )
    CXXCFLAGS="$PREV_CXXFLAGS"
515
    LIBS="$PREV_LIBS"
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    CXX="$PREV_CXX"
    AC_LANG_POP(C++)

    AC_MSG_CHECKING([if we should bundle freetype])
    if test "x$BUNDLE_FREETYPE" = xyes; then
      FREETYPE_BUNDLE_LIB_PATH="$FREETYPE_LIB_PATH"
522
    fi
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    AC_MSG_RESULT([$BUNDLE_FREETYPE])

  fi # end freetype needed
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  AC_SUBST(FREETYPE_BUNDLE_LIB_PATH)
  AC_SUBST(FREETYPE_CFLAGS)
  AC_SUBST(FREETYPE_LIBS)
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])

AC_DEFUN_ONCE([LIB_SETUP_ALSA],
[

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  ###############################################################################
  #
  # Check for alsa headers and libraries. Used on Linux/GNU systems.
  #
  AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa],
      [specify prefix directory for the alsa package
      (expecting the libraries under PATH/lib and the headers under PATH/include)])])
  AC_ARG_WITH(alsa-include, [AS_HELP_STRING([--with-alsa-include],
      [specify directory for the alsa include files])])
  AC_ARG_WITH(alsa-lib, [AS_HELP_STRING([--with-alsa-lib],
      [specify directory for the alsa library])])

  if test "x$ALSA_NOT_NEEDED" = xyes; then
    if test "x${with_alsa}" != x || test "x${with_alsa_include}" != x || test "x${with_alsa_lib}" != x; then
      AC_MSG_WARN([alsa not used, so --with-alsa is ignored])
    fi
    ALSA_CFLAGS=
    ALSA_LIBS=
  else
    ALSA_FOUND=no

    if test "x${with_alsa}" = xno || test "x${with_alsa_include}" = xno || test "x${with_alsa_lib}" = xno; then
      AC_MSG_ERROR([It is not possible to disable the use of alsa. Remove the --without-alsa option.])
    fi

    if test "x${with_alsa}" != x; then
561
      ALSA_LIBS="-L${with_alsa}/lib -lasound"
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      ALSA_CFLAGS="-I${with_alsa}/include"
      ALSA_FOUND=yes
    fi
    if test "x${with_alsa_include}" != x; then
      ALSA_CFLAGS="-I${with_alsa_include}"
      ALSA_FOUND=yes
    fi
    if test "x${with_alsa_lib}" != x; then
570
      ALSA_LIBS="-L${with_alsa_lib} -lasound"
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      ALSA_FOUND=yes
    fi
    if test "x$ALSA_FOUND" = xno; then
      BDEPS_CHECK_MODULE(ALSA, alsa, xxx, [ALSA_FOUND=yes], [ALSA_FOUND=no])
    fi
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    # Do not try pkg-config if we have a sysroot set.
    if test "x$SYSROOT" = x; then
      if test "x$ALSA_FOUND" = xno; then
        PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no])
      fi
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    fi
    if test "x$ALSA_FOUND" = xno; then
      AC_CHECK_HEADERS([alsa/asoundlib.h],
          [
            ALSA_FOUND=yes
            ALSA_CFLAGS=-Iignoreme
            ALSA_LIBS=-lasound
            DEFAULT_ALSA=yes
          ],
          [ALSA_FOUND=no])
    fi
    if test "x$ALSA_FOUND" = xno; then
      HELP_MSG_MISSING_DEPENDENCY([alsa])
      AC_MSG_ERROR([Could not find alsa! $HELP_MSG ])
    fi
  fi
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  AC_SUBST(ALSA_CFLAGS)
  AC_SUBST(ALSA_LIBS)
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])

AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
[

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  ###############################################################################
  #
  # Check for the jpeg library
  #
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  USE_EXTERNAL_LIBJPEG=true
  AC_CHECK_LIB(jpeg, main, [],
      [ USE_EXTERNAL_LIBJPEG=false
      AC_MSG_NOTICE([Will use jpeg decoder bundled with the OpenJDK source])
  ])
  AC_SUBST(USE_EXTERNAL_LIBJPEG)
616

617 618 619 620
  ###############################################################################
  #
  # Check for the gif library
  #
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  AC_ARG_WITH(giflib, [AS_HELP_STRING([--with-giflib],
      [use giflib from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])
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626
  AC_MSG_CHECKING([for which giflib to use])
627

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  # default is bundled
  DEFAULT_GIFLIB=bundled

  #
  # if user didn't specify, use DEFAULT_GIFLIB
  #
  if test "x${with_giflib}" = "x"; then
635
    with_giflib=${DEFAULT_GIFLIB}
636
  fi
637

638
  AC_MSG_RESULT(${with_giflib})
639

640
  if test "x${with_giflib}" = "xbundled"; then
641
    USE_EXTERNAL_LIBGIF=false
642
  elif test "x${with_giflib}" = "xsystem"; then
643
    AC_CHECK_HEADER(gif_lib.h, [],
644
        [ AC_MSG_ERROR([--with-giflib=system specified, but gif_lib.h not found!])])
645
    AC_CHECK_LIB(gif, DGifGetCode, [],
646
        [ AC_MSG_ERROR([--with-giflib=system specified, but no giflib found!])])
647 648

    USE_EXTERNAL_LIBGIF=true
649
  else
650
    AC_MSG_ERROR([Invalid value of --with-giflib: ${with_giflib}, use 'system' or 'bundled'])
651 652
  fi
  AC_SUBST(USE_EXTERNAL_LIBGIF)
653

654 655 656 657
  ###############################################################################
  #
  # Check for the zlib library
  #
658

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  AC_ARG_WITH(zlib, [AS_HELP_STRING([--with-zlib],
      [use zlib from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])
661

662 663 664
  AC_CHECK_LIB(z, compress,
      [ ZLIB_FOUND=yes ],
      [ ZLIB_FOUND=no ])
665

666
  AC_MSG_CHECKING([for which zlib to use])
667

668 669 670 671 672
  DEFAULT_ZLIB=bundled
  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
    #
    # On macosx default is system...on others default is
    #
673
    DEFAULT_ZLIB=system
674
  fi
675

676 677 678 679
  if test "x${ZLIB_FOUND}" != "xyes"; then
    #
    # If we don't find any system...set default to bundled
    #
680
    DEFAULT_ZLIB=bundled
681
  fi
682

683 684 685 686
  #
  # If user didn't specify, use DEFAULT_ZLIB
  #
  if test "x${with_zlib}" = "x"; then
687
    with_zlib=${DEFAULT_ZLIB}
688
  fi
689

690
  if test "x${with_zlib}" = "xbundled"; then
691 692
    USE_EXTERNAL_LIBZ=false
    AC_MSG_RESULT([bundled])
693
  elif test "x${with_zlib}" = "xsystem"; then
694
    if test "x${ZLIB_FOUND}" = "xyes"; then
695 696
      USE_EXTERNAL_LIBZ=true
      AC_MSG_RESULT([system])
697
    else
698 699
      AC_MSG_RESULT([system not found])
      AC_MSG_ERROR([--with-zlib=system specified, but no zlib found!])
700
    fi
701 702 703
  else
    AC_MSG_ERROR([Invalid value for --with-zlib: ${with_zlib}, use 'system' or 'bundled'])
  fi
704

705
  AC_SUBST(USE_EXTERNAL_LIBZ)
706

707 708
  ###############################################################################
  LIBZIP_CAN_USE_MMAP=true
709

710
  AC_SUBST(LIBZIP_CAN_USE_MMAP)
711

712 713 714 715
  ###############################################################################
  #
  # Check if altzone exists in time.h
  #
716

717 718 719 720
  AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <time.h>], [return (int)altzone;])],
      [has_altzone=yes],
      [has_altzone=no])
  if test "x$has_altzone" = xyes; then
721
    AC_DEFINE([HAVE_ALTZONE], 1, [Define if you have the external 'altzone' variable in time.h])
722
  fi
723

724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745
  ###############################################################################
  #
  # Check the maths library
  #

  AC_CHECK_LIB(m, cos, [],
      [
        AC_MSG_NOTICE([Maths library was not found])
      ]
  )
  AC_SUBST(LIBM)

  ###############################################################################
  #
  # Check for libdl.so

  save_LIBS="$LIBS"
  LIBS=""
  AC_CHECK_LIB(dl,dlopen)
  LIBDL="$LIBS"
  AC_SUBST(LIBDL)
  LIBS="$save_LIBS"
746 747 748 749
])

AC_DEFUN_ONCE([LIB_SETUP_STATIC_LINK_LIBSTDCPP],
[
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  ###############################################################################
  #
  # 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$OPENJDK_TARGET_OS" = xlinux; then
767 768 769 770 771 772
    # Test if -lstdc++ works.
    AC_MSG_CHECKING([if dynamic link of stdc++ is possible])
    AC_LANG_PUSH(C++)
    OLD_CXXFLAGS="$CXXFLAGS"
    CXXFLAGS="$CXXFLAGS -lstdc++"
    AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
773 774
        [has_dynamic_libstdcxx=yes],
        [has_dynamic_libstdcxx=no])
775 776 777 778 779 780 781 782 783 784 785
    CXXFLAGS="$OLD_CXXFLAGS"
    AC_LANG_POP(C++)
    AC_MSG_RESULT([$has_dynamic_libstdcxx])

    # Test if stdc++ can be linked statically.
    AC_MSG_CHECKING([if static link of stdc++ is possible])
    STATIC_STDCXX_FLAGS="-Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic"
    AC_LANG_PUSH(C++)
    OLD_LIBS="$LIBS"
    OLD_CXX="$CXX"
    LIBS="$STATIC_STDCXX_FLAGS"
786
    CXX="$CC"
787
    AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
788 789
        [has_static_libstdcxx=yes],
        [has_static_libstdcxx=no])
790 791 792 793 794
    LIBS="$OLD_LIBS"
    CXX="$OLD_CXX"
    AC_LANG_POP(C++)
    AC_MSG_RESULT([$has_static_libstdcxx])

795
    if test "x$has_static_libstdcxx" = xno && test "x$has_dynamic_libstdcxx" = xno; then
796
      AC_MSG_ERROR([Cannot link to stdc++, neither dynamically nor statically!])
797 798
    fi

799
    if test "x$with_stdc__lib" = xstatic && test "x$has_static_libstdcxx" = xno; then
800
      AC_MSG_ERROR([Static linking of libstdc++ was not possible!])
801 802
    fi

803
    if test "x$with_stdc__lib" = xdynamic && test "x$has_dynamic_libstdcxx" = xno; then
804
      AC_MSG_ERROR([Dynamic linking of libstdc++ was not possible!])
805 806 807
    fi

    AC_MSG_CHECKING([how to link with libstdc++])
808 809
    # 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.
810
    if test "x$with_stdc__lib" = xdynamic || test "x$has_static_libstdcxx" = xno || test "x$JVM_VARIANT_ZEROSHARK" = xtrue; then
811 812 813 814
      LIBCXX="$LIBCXX -lstdc++"
      LDCXX="$CXX"
      STATIC_CXX_SETTING="STATIC_CXX=false"
      AC_MSG_RESULT([dynamic])
815
    else
816 817 818 819
      LIBCXX="$LIBCXX $STATIC_STDCXX_FLAGS"
      LDCXX="$CC"
      STATIC_CXX_SETTING="STATIC_CXX=true"
      AC_MSG_RESULT([static])
820
    fi
821 822
  fi
  AC_SUBST(STATIC_CXX_SETTING)
823

824
  if test "x$JVM_VARIANT_ZERO" = xtrue || test "x$JVM_VARIANT_ZEROSHARK" = xtrue; then
825 826 827
    # Figure out LIBFFI_CFLAGS and LIBFFI_LIBS
    PKG_CHECK_MODULES([LIBFFI], [libffi])

828
  fi
829

830
  if test "x$JVM_VARIANT_ZEROSHARK" = xtrue; then
831 832 833
    AC_CHECK_PROG([LLVM_CONFIG], [llvm-config], [llvm-config])

    if test "x$LLVM_CONFIG" != xllvm-config; then
834
      AC_MSG_ERROR([llvm-config not found in $PATH.])
835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874
    fi

    llvm_components="jit mcjit engine nativecodegen native"
    unset LLVM_CFLAGS
    for flag in $("$LLVM_CONFIG" --cxxflags); do
      if echo "${flag}" | grep -q '^-@<:@ID@:>@'; then
        if test "${flag}" != "-D_DEBUG" ; then
          if test "${LLVM_CFLAGS}" != "" ; then
            LLVM_CFLAGS="${LLVM_CFLAGS} "
          fi
          LLVM_CFLAGS="${LLVM_CFLAGS}${flag}"
        fi
      fi
    done
    llvm_version=$("${LLVM_CONFIG}" --version | sed 's/\.//; s/svn.*//')
    LLVM_CFLAGS="${LLVM_CFLAGS} -DSHARK_LLVM_VERSION=${llvm_version}"

    unset LLVM_LDFLAGS
    for flag in $("${LLVM_CONFIG}" --ldflags); do
      if echo "${flag}" | grep -q '^-L'; then
        if test "${LLVM_LDFLAGS}" != ""; then
          LLVM_LDFLAGS="${LLVM_LDFLAGS} "
        fi
        LLVM_LDFLAGS="${LLVM_LDFLAGS}${flag}"
      fi
    done

    unset LLVM_LIBS
    for flag in $("${LLVM_CONFIG}" --libs ${llvm_components}); do
      if echo "${flag}" | grep -q '^-l'; then
        if test "${LLVM_LIBS}" != ""; then
          LLVM_LIBS="${LLVM_LIBS} "
        fi
        LLVM_LIBS="${LLVM_LIBS}${flag}"
      fi
    done

    AC_SUBST(LLVM_CFLAGS)
    AC_SUBST(LLVM_LDFLAGS)
    AC_SUBST(LLVM_LIBS)
875
  fi
876

877
  # libCrun is the c++ runtime-library with SunStudio (roughly the equivalent of gcc's libstdc++.so)
878
  if test "x$TOOLCHAIN_TYPE" = xsolstudio && test "x$LIBCXX" = x; then
879
    LIBCXX="${SYSROOT}/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1"
880
  fi
881

882
  # TODO better (platform agnostic) test
883
  if test "x$OPENJDK_TARGET_OS" = xmacosx && test "x$LIBCXX" = x && test "x$TOOLCHAIN_TYPE" = xgcc; then
884
    LIBCXX="-lstdc++"
885
  fi
886

887
  AC_SUBST(LIBCXX)
888
])
889 890 891 892 893 894 895 896 897 898 899

AC_DEFUN_ONCE([LIB_SETUP_ON_WINDOWS],
[
  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
    TOOLCHAIN_SETUP_MSVCR_DLL
    BASIC_DEPRECATED_ARG_WITH([dxsdk])
    BASIC_DEPRECATED_ARG_WITH([dxsdk-lib])
    BASIC_DEPRECATED_ARG_WITH([dxsdk-include])
  fi
  AC_SUBST(MSVCR_DLL)
])