# CFLAGS and library paths for XMMS

# written 15 December 1999 by Ben Gertzfield <che@debian.org>

dnl Usage:

dnl AM_PATH_XMMS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])

dnl

dnl Example:

dnl AM_PATH_XMMS(0.9.5.1, , AC_MSG_ERROR([*** XMMS >= 0.9.5.1 not installed - please install first ***]))

dnl

dnl Defines XMMS_CFLAGS, XMMS_LIBS, XMMS_DATA_DIR, XMMS_PLUGIN_DIR, 

dnl XMMS_VISUALIZATION_PLUGIN_DIR, XMMS_INPUT_PLUGIN_DIR, 

dnl XMMS_OUTPUT_PLUGIN_DIR, XMMS_GENERAL_PLUGIN_DIR, XMMS_EFFECT_PLUGIN_DIR,

dnl and XMMS_VERSION for your plugin pleasure.

dnl

dnl XMMS_TEST_VERSION(AVAILABLE-VERSION, NEEDED-VERSION [, ACTION-IF-OKAY [, ACTION-IF-NOT-OKAY]])

AC_DEFUN([XMMS_TEST_VERSION], [

# Determine which version number is greater. Prints 2 to stdout if	

# the second number is greater, 1 if the first number is greater,	

# 0 if the numbers are equal.						

# Written 15 December 1999 by Ben Gertzfield <che@debian.org>		

# Revised 15 December 1999 by Jim Monty <monty@primenet.com>		

    AC_PROG_AWK

    xmms_got_version=[` $AWK '						\

BEGIN {									\

    print vercmp(ARGV[1], ARGV[2]);					\

}									\

									\

function vercmp(ver1, ver2,    ver1arr, ver2arr,			\

                               ver1len, ver2len,			\

                               ver1int, ver2int, len, i, p) {		\

									\

    ver1len = split(ver1, ver1arr, /\./);				\

    ver2len = split(ver2, ver2arr, /\./);				\

									\

    len = ver1len > ver2len ? ver1len : ver2len;			\

									\

    for (i = 1; i <= len; i++) {					\

        p = 1000 ^ (len - i);						\

        ver1int += ver1arr[i] * p;					\

        ver2int += ver2arr[i] * p;					\

    }									\

									\

    if (ver1int < ver2int)						\

        return 2;							\

    else if (ver1int > ver2int)						\

        return 1;							\

    else								\

        return 0;							\

}' $1 $2`]								

    if test $xmms_got_version -eq 2; then 	# failure

	ifelse([$4], , :, $4)			

    else  					# success!

	ifelse([$3], , :, $3)

    fi

])

AC_DEFUN([AM_PATH_XMMS],

[

AC_ARG_WITH(xmms-prefix,[  --with-xmms-prefix=PFX  Prefix where XMMS is installed (optional)],

	xmms_config_prefix="$withval", xmms_config_prefix="")

AC_ARG_WITH(xmms-exec-prefix,[  --with-xmms-exec-prefix=PFX Exec prefix where XMMS is installed (optional)],

	xmms_config_exec_prefix="$withval", xmms_config_exec_prefix="")

if test x$xmms_config_exec_prefix != x; then

    xmms_config_args="$xmms_config_args --exec-prefix=$xmms_config_exec_prefix"

    if test x${XMMS_CONFIG+set} != xset; then

	XMMS_CONFIG=$xmms_config_exec_prefix/bin/xmms-config

    fi

fi

if test x$xmms_config_prefix != x; then

    xmms_config_args="$xmms_config_args --prefix=$xmms_config_prefix"

    if test x${XMMS_CONFIG+set} != xset; then

  	XMMS_CONFIG=$xmms_config_prefix/bin/xmms-config

    fi

fi

AC_PATH_PROG(XMMS_CONFIG, xmms-config, no)

min_xmms_version=ifelse([$1], ,0.9.5.1, $1)

if test "$XMMS_CONFIG" = "no"; then

    no_xmms=yes

else

    XMMS_CFLAGS=`$XMMS_CONFIG $xmms_config_args --cflags`

    XMMS_LIBS=`$XMMS_CONFIG $xmms_config_args --libs`

    XMMS_VERSION=`$XMMS_CONFIG $xmms_config_args --version`

    XMMS_DATA_DIR=`$XMMS_CONFIG $xmms_config_args --data-dir`

    XMMS_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --plugin-dir`

    XMMS_VISUALIZATION_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args \

					--visualization-plugin-dir`

    XMMS_INPUT_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --input-plugin-dir`

    XMMS_OUTPUT_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --output-plugin-dir`

    XMMS_EFFECT_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --effect-plugin-dir`

    XMMS_GENERAL_PLUGIN_DIR=`$XMMS_CONFIG $xmms_config_args --general-plugin-dir`

    XMMS_TEST_VERSION($XMMS_VERSION, $min_xmms_version, ,no_xmms=version)

fi

AC_MSG_CHECKING(for XMMS - version >= $min_xmms_version)

if test "x$no_xmms" = x; then

    AC_MSG_RESULT(yes)

    ifelse([$2], , :, [$2])

else

    AC_MSG_RESULT(no)

    if test "$XMMS_CONFIG" = "no" ; then

	echo "*** The xmms-config script installed by XMMS could not be found."

      	echo "*** If XMMS was installed in PREFIX, make sure PREFIX/bin is in"

	echo "*** your path, or set the XMMS_CONFIG environment variable to the"

	echo "*** full path to xmms-config."

    else

	if test "$no_xmms" = "version"; then

	    echo "*** An old version of XMMS, $XMMS_VERSION, was found."

	    echo "*** You need a version of XMMS newer than $min_xmms_version."

	    echo "*** The latest version of XMMS is always available from"

	    echo "*** http://www.xmms.org/"

	    echo "***"

            echo "*** If you have already installed a sufficiently new version, this error"

            echo "*** probably means that the wrong copy of the xmms-config shell script is"

            echo "*** being found. The easiest way to fix this is to remove the old version"

            echo "*** of XMMS, but you can also set the XMMS_CONFIG environment to point to the"

            echo "*** correct copy of xmms-config. (In this case, you will have to"

            echo "*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf"

            echo "*** so that the correct libraries are found at run-time)"

	fi

    fi

    XMMS_CFLAGS=""

    XMMS_LIBS=""

    ifelse([$3], , :, [$3])

fi

AC_SUBST(XMMS_CFLAGS)

AC_SUBST(XMMS_LIBS)

AC_SUBST(XMMS_VERSION)

AC_SUBST(XMMS_DATA_DIR)

AC_SUBST(XMMS_PLUGIN_DIR)

AC_SUBST(XMMS_VISUALIZATION_PLUGIN_DIR)

AC_SUBST(XMMS_INPUT_PLUGIN_DIR)

AC_SUBST(XMMS_OUTPUT_PLUGIN_DIR)

AC_SUBST(XMMS_GENERAL_PLUGIN_DIR)

AC_SUBST(XMMS_EFFECT_PLUGIN_DIR)

])