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dnl @synopsis AC_CHECK_TAGLIB(version, action-if, action-if-not)
dnl
dnl @summary check for taglib of sufficient version by looking at taglib-config
dnl
dnl Defines and exports TAGLIB_LIBS, TAGLIB_CFLAGS. See taglib-config
dnl man page.
dnl
dnl @category InstalledPackages
dnl @author Akos Maroy <darkeye@tyrell.hu>
dnl @version 2005-09-20
dnl @license AllPermissive
AC_DEFUN([AC_CHECK_TAGLIB], [
succeeded=no
if test -z "$TAGLIB_CONFIG"; then
AC_PATH_PROG(TAGLIB_CONFIG, taglib-config, no)
fi
if test "$TAGLIB_CONFIG" = "no" ; then
echo "*** The taglib-config script could not be found. Make sure it is"
echo "*** in your path, and that taglib is properly installed."
echo "*** Or see http://developer.kde.org/~wheeler/taglib.html"
else
TAGLIB_VERSION=`$TAGLIB_CONFIG --version`
AC_MSG_CHECKING(for taglib >= $1)
VERSION_CHECK=`expr $TAGLIB_VERSION \>\= $1`
if test "$VERSION_CHECK" = "1" ; then
AC_MSG_RESULT(yes)
succeeded=yes
AC_MSG_CHECKING(TAGLIB_CFLAGS)
TAGLIB_CFLAGS=`$TAGLIB_CONFIG --cflags`
AC_MSG_RESULT($TAGLIB_CFLAGS)
AC_MSG_CHECKING(TAGLIB_LIBS)
TAGLIB_LIBS=`$TAGLIB_CONFIG --libs`
AC_MSG_RESULT($TAGLIB_LIBS)
else
TAGLIB_CFLAGS=""
TAGLIB_LIBS=""
## If we have a custom action on failure, don't print errors, but
## do set a variable so people can do so.
ifelse([$3], ,echo "can't find taglib >= $1",)
fi
AC_SUBST(TAGLIB_CFLAGS)
AC_SUBST(TAGLIB_LIBS)
fi
if test $succeeded = yes; then
ifelse([$2], , :, [$2])
else
ifelse([$3], , AC_MSG_ERROR([Library requirements (taglib) not met.]), [$3])
fi
])
dnl as-ac-expand.m4 0.1.0
dnl autostars m4 macro for expanding directories using configure's prefix
dnl thomas@apestaart.org
dnl AS_AC_EXPAND(VAR, CONFIGURE_VAR)
dnl
dnl example
dnl AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
dnl will set SYSCONFDIR to /usr/local/etc if prefix=/usr/local
AC_DEFUN([AS_AC_EXPAND],
[
EXP_VAR=[$1]
FROM_VAR=[$2]
dnl first expand prefix and exec_prefix if necessary
prefix_save=$prefix
exec_prefix_save=$exec_prefix
dnl if no prefix given, then use /usr/local, the default prefix
if test "x$prefix" = "xNONE"; then
prefix=$ac_default_prefix
fi
dnl if no exec_prefix given, then use prefix
if test "x$exec_prefix" = "xNONE"; then
exec_prefix=$prefix
fi
full_var="$FROM_VAR"
dnl loop until it doesn't change anymore
while true; do
new_full_var="`eval echo $full_var`"
if test "x$new_full_var"="x$full_var"; then break; fi
full_var=$new_full_var
done
dnl clean up
full_var=$new_full_var
AC_SUBST([$1], "$full_var")
dnl restore prefix and exec_prefix
prefix=$prefix_save
exec_prefix=$exec_prefix_save
])
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