m4/xmms.m4

   1 # CFLAGS and library paths for XMMS
   2 # written 15 December 1999 by Ben Gertzfield <che@debian.org>
   3
   4 dnl Usage:
   5 dnl AM_PATH_XMMS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
   6 dnl
   7 dnl Example:
   8 dnl AM_PATH_XMMS(0.9.5.1, , AC_MSG_ERROR([*** XMMS >= 0.9.5.1 not installed - please install first ***]))
   9 dnl
  10 dnl Defines XMMS_CFLAGS, XMMS_LIBS, XMMS_DATA_DIR, XMMS_PLUGIN_DIR,
  11 dnl XMMS_VISUALIZATION_PLUGIN_DIR, XMMS_INPUT_PLUGIN_DIR,
  12 dnl XMMS_OUTPUT_PLUGIN_DIR, XMMS_GENERAL_PLUGIN_DIR, XMMS_EFFECT_PLUGIN_DIR,
  13 dnl and XMMS_VERSION for your plugin pleasure.
  14 dnl
  15
  16 dnl XMMS_TEST_VERSION(AVAILABLE-VERSION, NEEDED-VERSION [, ACTION-IF-OKAY [, ACTION-IF-NOT-OKAY]])
  17 AC_DEFUN(XMMS_TEST_VERSION, [
  18
  19 # Determine which version number is greater. Prints 2 to stdout if
  20 # the second number is greater, 1 if the first number is greater,
  21 # 0 if the numbers are equal.
  22
  23 # Written 15 December 1999 by Ben Gertzfield <che@debian.org>
  24 # Revised 15 December 1999 by Jim Monty <monty@primenet.com>
  25
  26     AC_PROG_AWK
  27     xmms_got_version=[` $AWK '                                          \
  28 BEGIN {                                                                 \
  29     print vercmp(ARGV[1], ARGV[2]);                                     \
  30 }                                                                       \
  31                                                                         \
  32 function vercmp(ver1, ver2,    ver1arr, ver2arr,                        \
  33                                ver1len, ver2len,                        \
  34                                ver1int, ver2int, len, i, p) {           \
  35                                                                         \
  36     ver1len = split(ver1, ver1arr, /\./);                               \
  37     ver2len = split(ver2, ver2arr, /\./);                               \
  38                                                                         \
  39     len = ver1len > ver2len ? ver1len : ver2len;                        \
  40                                                                         \
  41     for (i = 1; i <= len; i++) {                                        \
  42         p = 1000 ^ (len - i);                                           \
  43         ver1int += ver1arr[i] * p;                                      \
  44         ver2int += ver2arr[i] * p;                                      \
  45     }                                                                   \
  46                                                                         \
  47     if (ver1int < ver2int)                                              \
  48         return 2;                                                       \
  49     else if (ver1int > ver2int)                                         \
  50         return 1;                                                       \
  51     else                                                                \
  52         return 0;                                                       \
  53 }' $1 $2`]
  54
  55     if test $xmms_got_version -eq 2; then       # failure
  56         ifelse([$4], , :, $4)
  57     else                                        # success!
  58         ifelse([$3], , :, $3)
  59     fi
  60 ])
  61
  62 AC_DEFUN(AM_PATH_XMMS,
  63 [
  64 AC_ARG_WITH(xmms-prefix,
  65   AC_HELP_STRING([--with-xmms-prefix=PFX],
  66                  [prefix where XMMS is installed (optional)]),
  67   xmms_config_prefix="$withval", xmms_config_prefix="")
  68
  69 AC_ARG_WITH(xmms-exec-prefix,
  70   AC_HELP_STRING([--with-xmms-exec-prefix=PFX],
  71                  [exec prefix where XMMS is installed (optional)]),
  72   xmms_config_exec_prefix="$withval", xmms_config_exec_prefix="")
  73
  74 if test x$xmms_config_exec_prefix != x; then
  75     xmms_config_args="$xmms_config_args --exec-prefix=$xmms_config_exec_prefix"
  76     if test x${XMMS_CONFIG+set} != xset; then
  77         XMMS_CONFIG=$xmms_config_exec_prefix/bin/xmms-config
  78     fi
  79 fi
  80
  81 if test x$xmms_config_prefix != x; then
  82     xmms_config_args="$xmms_config_args --prefix=$xmms_config_prefix"
  83     if test x${XMMS_CONFIG+set} != xset; then
  84         XMMS_CONFIG=$xmms_config_prefix/bin/xmms-config
  85     fi
  86 fi
  87
  88 AC_PATH_PROG(XMMS_CONFIG, xmms-config, no)
  89 min_xmms_version=ifelse([$1], ,0.9.5.1, $1)
  90
  91 if test "$XMMS_CONFIG" = "no"; then
  92     no_xmms=yes
  93 else
  94     XMMS_CFLAGS=`$XMMS_CONFIG $xmms_config_args --cflags`
  95     XMMS_LIBS=`$XMMS_CONFIG $xmms_config_args --libs`
  96     XMMS_VERSION=`$XMMS_CONFIG $xmms_config_args --version`
  97     XMMS_DATA_DIR=`$XMMS_CONFIG $xmms_config_args --data-dir`
  98     XMMS_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --plugin-dir`
  99     XMMS_VISUALIZATION_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args \
 100                                         --visualization-plugin-dir`
 101     XMMS_INPUT_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --input-plugin-dir`
 102     XMMS_OUTPUT_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --output-plugin-dir`
 103     XMMS_EFFECT_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --effect-plugin-dir`
 104     XMMS_GENERAL_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --general-plugin-dir`
 105
 106     XMMS_TEST_VERSION($XMMS_VERSION, $min_xmms_version, ,no_xmms=version)
 107 fi
 108
 109 AC_MSG_CHECKING(for XMMS - version >= $min_xmms_version)
 110
 111 if test "x$no_xmms" = x; then
 112     AC_MSG_RESULT(yes)
 113     ifelse([$2], , :, [$2])
 114 else
 115     AC_MSG_RESULT(no)
 116
 117     if test "$XMMS_CONFIG" = "no" ; then
 118         echo "*** The xmms-config script installed by XMMS could not be found."
 119         echo "*** If XMMS was installed in PREFIX, make sure PREFIX/bin is in"
 120         echo "*** your path, or set the XMMS_CONFIG environment variable to the"
 121         echo "*** full path to xmms-config."
 122     else
 123         if test "$no_xmms" = "version"; then
 124             echo "*** An old version of XMMS, $XMMS_VERSION, was found."
 125             echo "*** You need a version of XMMS newer than $min_xmms_version."
 126             echo "*** The latest version of XMMS is always available from"
 127             echo "*** http://www.xmms.org/"
 128             echo "***"
 129
 130             echo "*** If you have already installed a sufficiently new version, this error"
 131             echo "*** probably means that the wrong copy of the xmms-config shell script is"
 132             echo "*** being found. The easiest way to fix this is to remove the old version"
 133             echo "*** of XMMS, but you can also set the XMMS_CONFIG environment to point to the"
 134             echo "*** correct copy of xmms-config. (In this case, you will have to"
 135             echo "*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf"
 136             echo "*** so that the correct libraries are found at run-time)"
 137         fi
 138     fi
 139     XMMS_CFLAGS=""
 140     XMMS_LIBS=""
 141     ifelse([$3], , :, [$3])
 142 fi
 143 AC_SUBST(XMMS_CFLAGS)
 144 AC_SUBST(XMMS_LIBS)
 145 AC_SUBST(XMMS_VERSION)
 146 AC_SUBST(XMMS_DATA_DIR)
 147 AC_SUBST(XMMS_PLUGIN_DIR)
 148 AC_SUBST(XMMS_VISUALIZATION_PLUGIN_DIR)
 149 AC_SUBST(XMMS_INPUT_PLUGIN_DIR)
 150 AC_SUBST(XMMS_OUTPUT_PLUGIN_DIR)
 151 AC_SUBST(XMMS_GENERAL_PLUGIN_DIR)
 152 AC_SUBST(XMMS_EFFECT_PLUGIN_DIR)
 153 ])