openjdk-lts/make/autoconf/lib-alsa.m4

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#
# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
# 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.
#
################################################################################
# Setup alsa (Advanced Linux Sound Architecture)
################################################################################
AC_DEFUN_ONCE([LIB_SETUP_ALSA],
[
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$NEEDS_LIB_ALSA" = xfalse; then
if (test "x${with_alsa}" != x && test "x${with_alsa}" != xno) || \
(test "x${with_alsa_include}" != x && test "x${with_alsa_include}" != xno) || \
(test "x${with_alsa_lib}" != x && test "x${with_alsa_lib}" != xno); then
AC_MSG_WARN([[alsa not used, so --with-alsa[-*] is ignored]])
fi
ALSA_CFLAGS=
ALSA_LIBS=
else
ALSA_FOUND=no
if test "x${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${with_alsa}" != x; then
ALSA_LIBS="-L${with_alsa}/lib -lasound"
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
ALSA_LIBS="-L${with_alsa_lib} -lasound"
ALSA_FOUND=yes
fi
# Do not try pkg-config if we have a sysroot set.
if test "x$SYSROOT" = x; then
if test "x$ALSA_FOUND" = xno; then
PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no])
fi
fi
if test "x$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
AC_SUBST(ALSA_CFLAGS)
AC_SUBST(ALSA_LIBS)
])