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1 # |
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2 # Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
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3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 # |
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5 # This code is free software; you can redistribute it and/or modify it |
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6 # under the terms of the GNU General Public License version 2 only, as |
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7 # published by the Free Software Foundation. Oracle designates this |
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8 # particular file as subject to the "Classpath" exception as provided |
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9 # by Oracle in the LICENSE file that accompanied this code. |
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10 # |
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11 # This code is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 # version 2 for more details (a copy is included in the LICENSE file that |
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15 # accompanied this code). |
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16 # |
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17 # You should have received a copy of the GNU General Public License version |
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18 # 2 along with this work; if not, write to the Free Software Foundation, |
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19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 # |
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21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 # or visit www.oracle.com if you need additional information or have any |
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23 # questions. |
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24 # |
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25 |
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26 ################################################################################ |
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27 # Setup alsa (Advanced Linux Sound Architecture) |
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28 ################################################################################ |
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29 AC_DEFUN_ONCE([LIB_SETUP_ALSA], |
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30 [ |
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31 AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa], |
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32 [specify prefix directory for the alsa package |
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33 (expecting the libraries under PATH/lib and the headers under PATH/include)])]) |
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34 AC_ARG_WITH(alsa-include, [AS_HELP_STRING([--with-alsa-include], |
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35 [specify directory for the alsa include files])]) |
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36 AC_ARG_WITH(alsa-lib, [AS_HELP_STRING([--with-alsa-lib], |
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37 [specify directory for the alsa library])]) |
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38 |
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39 if test "x$NEEDS_LIB_ALSA" = xfalse; then |
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40 if test "x${with_alsa}" != x || test "x${with_alsa_include}" != x || test "x${with_alsa_lib}" != x; then |
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41 AC_MSG_WARN([alsa not used, so --with-alsa is ignored]) |
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42 fi |
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43 ALSA_CFLAGS= |
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44 ALSA_LIBS= |
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45 else |
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46 ALSA_FOUND=no |
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47 |
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48 if test "x${with_alsa}" = xno || test "x${with_alsa_include}" = xno || test "x${with_alsa_lib}" = xno; then |
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49 AC_MSG_ERROR([It is not possible to disable the use of alsa. Remove the --without-alsa option.]) |
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50 fi |
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51 |
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52 if test "x${with_alsa}" != x; then |
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53 ALSA_LIBS="-L${with_alsa}/lib -lasound" |
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54 ALSA_CFLAGS="-I${with_alsa}/include" |
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55 ALSA_FOUND=yes |
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56 fi |
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57 if test "x${with_alsa_include}" != x; then |
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58 ALSA_CFLAGS="-I${with_alsa_include}" |
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59 ALSA_FOUND=yes |
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60 fi |
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61 if test "x${with_alsa_lib}" != x; then |
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62 ALSA_LIBS="-L${with_alsa_lib} -lasound" |
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63 ALSA_FOUND=yes |
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64 fi |
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65 # Do not try pkg-config if we have a sysroot set. |
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66 if test "x$SYSROOT" = x; then |
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67 if test "x$ALSA_FOUND" = xno; then |
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68 PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no]) |
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69 fi |
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70 fi |
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71 if test "x$ALSA_FOUND" = xno; then |
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72 AC_CHECK_HEADERS([alsa/asoundlib.h], |
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73 [ |
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74 ALSA_FOUND=yes |
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75 ALSA_CFLAGS=-Iignoreme |
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76 ALSA_LIBS=-lasound |
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77 DEFAULT_ALSA=yes |
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78 ], |
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79 [ALSA_FOUND=no] |
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80 ) |
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81 fi |
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82 if test "x$ALSA_FOUND" = xno; then |
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83 HELP_MSG_MISSING_DEPENDENCY([alsa]) |
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84 AC_MSG_ERROR([Could not find alsa! $HELP_MSG]) |
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85 fi |
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86 fi |
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87 |
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88 AC_SUBST(ALSA_CFLAGS) |
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89 AC_SUBST(ALSA_LIBS) |
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90 ]) |