jdk

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#
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# Copyright (c) 2011, 2015, 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 alsa (Advanced Linux Sound Architecture)
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################################################################################
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AC_DEFUN_ONCE([LIB_SETUP_ALSA],
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[
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  AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa],
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      [specify prefix directory for the alsa package
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      (expecting the libraries under PATH/lib and the headers under PATH/include)])])
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  AC_ARG_WITH(alsa-include, [AS_HELP_STRING([--with-alsa-include],
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      [specify directory for the alsa include files])])
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  AC_ARG_WITH(alsa-lib, [AS_HELP_STRING([--with-alsa-lib],
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      [specify directory for the alsa library])])
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  if test "x$NEEDS_LIB_ALSA" = xfalse; then
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    if (test "x${with_alsa}" != x && test "x${with_alsa}" != xno) || \
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        (test "x${with_alsa_include}" != x && test "x${with_alsa_include}" != xno) || \
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        (test "x${with_alsa_lib}" != x && test "x${with_alsa_lib}" != xno); then
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      AC_MSG_WARN([[alsa not used, so --with-alsa[-*] is ignored]])
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    fi
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    ALSA_CFLAGS=
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    ALSA_LIBS=
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  else
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    ALSA_FOUND=no
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    if test "x${with_alsa}" = xno || test "x${with_alsa_include}" = xno || test "x${with_alsa_lib}" = xno; then
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      AC_MSG_ERROR([It is not possible to disable the use of alsa. Remove the --without-alsa option.])
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    fi
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    if test "x${with_alsa}" != x; then
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      ALSA_LIBS="-L${with_alsa}/lib -lasound"
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      ALSA_CFLAGS="-I${with_alsa}/include"
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      ALSA_FOUND=yes
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    fi
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    if test "x${with_alsa_include}" != x; then
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      ALSA_CFLAGS="-I${with_alsa_include}"
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      ALSA_FOUND=yes
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    fi
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    if test "x${with_alsa_lib}" != x; then
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      ALSA_LIBS="-L${with_alsa_lib} -lasound"
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      ALSA_FOUND=yes
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    fi
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    # Do not try pkg-config if we have a sysroot set.
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    if test "x$SYSROOT" = x; then
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      if test "x$ALSA_FOUND" = xno; then
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        PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no])
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      fi
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    fi
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    if test "x$ALSA_FOUND" = xno; then
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      # If we have sysroot set, and no explicit library location is set,
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      # look at known locations in sysroot.
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      if test "x$SYSROOT" != "x" && test "x${with_alsa_lib}" == x; then
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        if test -f "$SYSROOT/usr/lib64/libasound.so" && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
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          ALSA_LIBS="-L$SYSROOT/usr/lib64 -lasound"
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          ALSA_FOUND=yes
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        elif test -f "$SYSROOT/usr/lib/libasound.so"; then
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          ALSA_LIBS="-L$SYSROOT/usr/lib -lasound"
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          ALSA_FOUND=yes
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        elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libasound.so"; then
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          ALSA_LIBS="-L$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI -lasound"
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          ALSA_FOUND=yes
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        elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libasound.so"; then
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          ALSA_LIBS="-L$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI -lasound"
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          ALSA_FOUND=yes
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        fi
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      fi
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    fi
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    if test "x$ALSA_FOUND" = xno; then
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      AC_CHECK_HEADERS([alsa/asoundlib.h],
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          [
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            ALSA_FOUND=yes
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            ALSA_CFLAGS=-Iignoreme
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            ALSA_LIBS=-lasound
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            DEFAULT_ALSA=yes
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          ],
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          [ALSA_FOUND=no]
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      )
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    fi
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    if test "x$ALSA_FOUND" = xno; then
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      HELP_MSG_MISSING_DEPENDENCY([alsa])
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      AC_MSG_ERROR([Could not find alsa! $HELP_MSG])
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    fi
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  fi
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  AC_SUBST(ALSA_CFLAGS)
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  AC_SUBST(ALSA_LIBS)
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])
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