1 | # Configure paths for libogg
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2 | # Jack Moffitt <jack@icecast.org> 10-21-2000
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3 | # Shamelessly stolen from Owen Taylor and Manish Singh
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4 |
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5 | dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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6 | dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS
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7 | dnl
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8 | AC_DEFUN([XIPH_PATH_OGG],
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9 | [dnl
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10 | dnl Get the cflags and libraries
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11 | dnl
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12 | AC_ARG_WITH(ogg,AC_HELP_STRING([--with-ogg=PFX],[Prefix where libogg is installed (optional)]), ogg_prefix="$withval", ogg_prefix="")
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13 | AC_ARG_WITH(ogg-libraries,AC_HELP_STRING([--with-ogg-libraries=DIR],[Directory where libogg library is installed (optional)]), ogg_libraries="$withval", ogg_libraries="")
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14 | AC_ARG_WITH(ogg-includes,AC_HELP_STRING([--with-ogg-includes=DIR],[Directory where libogg header files are installed (optional)]), ogg_includes="$withval", ogg_includes="")
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15 | AC_ARG_ENABLE(oggtest,AC_HELP_STRING([--disable-oggtest],[Do not try to compile and run a test Ogg program]),, enable_oggtest=yes)
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16 |
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17 | if test "x$ogg_libraries" != "x" ; then
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18 | OGG_LIBS="-L$ogg_libraries"
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19 | elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then
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20 | OGG_LIBS=""
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21 | elif test "x$ogg_prefix" != "x" ; then
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22 | OGG_LIBS="-L$ogg_prefix/lib"
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23 | elif test "x$prefix" != "xNONE" ; then
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24 | OGG_LIBS="-L$prefix/lib"
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25 | fi
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26 |
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27 | if test "x$ogg_prefix" != "xno" ; then
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28 | OGG_LIBS="$OGG_LIBS -logg"
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29 | fi
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30 |
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31 | if test "x$ogg_includes" != "x" ; then
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32 | OGG_CFLAGS="-I$ogg_includes"
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33 | elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then
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34 | OGG_CFLAGS=""
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35 | elif test "x$ogg_prefix" != "x" ; then
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36 | OGG_CFLAGS="-I$ogg_prefix/include"
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37 | elif test "x$prefix" != "xNONE"; then
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38 | OGG_CFLAGS="-I$prefix/include"
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39 | fi
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40 |
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41 | AC_MSG_CHECKING(for Ogg)
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42 | if test "x$ogg_prefix" = "xno" ; then
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43 | no_ogg="disabled"
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44 | enable_oggtest="no"
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45 | else
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46 | no_ogg=""
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47 | fi
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48 |
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49 |
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50 | if test "x$enable_oggtest" = "xyes" ; then
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51 | ac_save_CFLAGS="$CFLAGS"
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52 | ac_save_LIBS="$LIBS"
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53 | CFLAGS="$CFLAGS $OGG_CFLAGS"
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54 | LIBS="$LIBS $OGG_LIBS"
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55 | dnl
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56 | dnl Now check if the installed Ogg is sufficiently new.
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57 | dnl
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58 | rm -f conf.oggtest
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59 | AC_TRY_RUN([
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60 | #include <stdio.h>
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61 | #include <stdlib.h>
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62 | #include <string.h>
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63 | #include <ogg/ogg.h>
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64 |
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65 | int main ()
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66 | {
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67 | system("touch conf.oggtest");
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68 | return 0;
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69 | }
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70 |
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71 | ],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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72 | CFLAGS="$ac_save_CFLAGS"
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73 | LIBS="$ac_save_LIBS"
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74 | fi
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75 |
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76 | if test "x$no_ogg" = "xdisabled" ; then
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77 | AC_MSG_RESULT(no)
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78 | ifelse([$2], , :, [$2])
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79 | elif test "x$no_ogg" = "x" ; then
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80 | AC_MSG_RESULT(yes)
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81 | ifelse([$1], , :, [$1])
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82 | else
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83 | AC_MSG_RESULT(no)
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84 | if test -f conf.oggtest ; then
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85 | :
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86 | else
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87 | echo "*** Could not run Ogg test program, checking why..."
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88 | CFLAGS="$CFLAGS $OGG_CFLAGS"
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89 | LIBS="$LIBS $OGG_LIBS"
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90 | AC_TRY_LINK([
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91 | #include <stdio.h>
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92 | #include <ogg/ogg.h>
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93 | ], [ return 0; ],
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94 | [ echo "*** The test program compiled, but did not run. This usually means"
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95 | echo "*** that the run-time linker is not finding Ogg or finding the wrong"
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96 | echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your"
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97 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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98 | echo "*** to the installed location Also, make sure you have run ldconfig if that"
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99 | echo "*** is required on your system"
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100 | echo "***"
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101 | echo "*** If you have an old version installed, it is best to remove it, although"
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102 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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103 | [ echo "*** The test program failed to compile or link. See the file config.log for the"
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104 | echo "*** exact error that occured. This usually means Ogg was incorrectly installed"
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105 | echo "*** or that you have moved Ogg since it was installed." ])
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106 | CFLAGS="$ac_save_CFLAGS"
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107 | LIBS="$ac_save_LIBS"
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108 | fi
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109 | OGG_CFLAGS=""
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110 | OGG_LIBS=""
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111 | ifelse([$2], , :, [$2])
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112 | fi
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113 | AC_SUBST(OGG_CFLAGS)
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114 | AC_SUBST(OGG_LIBS)
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115 | rm -f conf.oggtest
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116 | ])
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