dnl XIPH_PATH_SHOUT dnl Jack Moffitt <jack@icecast.org> 08-06-2001 dnl Rewritten for libshout 2 dnl Brendan Cully <brendan@xiph.org> 20030612 dnl dnl $Id: shout.m4 7180 2004-07-20 02:50:54Z brendan $ # XIPH_PATH_SHOUT([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) # Test for libshout, and define SHOUT_CPPFLAGS SHOUT_CFLAGS SHOUT_LIBS, and # SHOUT_THREADSAFE AC_DEFUN([XIPH_PATH_SHOUT], [dnl xt_have_shout="no" SHOUT_THREADSAFE="no" SHOUT_CPPFLAGS="" SHOUT_CFLAGS="" SHOUT_LIBS="" # NB: PKG_CHECK_MODULES exits if pkg-config is unavailable on the target # system, so we can't use it. # seed pkg-config with the default libshout location PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/usr/local/lib/pkgconfig} export PKG_CONFIG_PATH # Step 1: Use pkg-config if available AC_PATH_PROG([PKGCONFIG], [pkg-config], [no]) if test "$PKGCONFIG" != "no" && `$PKGCONFIG --exists shout` then SHOUT_CFLAGS=`$PKGCONFIG --variable=cflags_only shout` SHOUT_CPPFLAGS=`$PKGCONFIG --variable=cppflags shout` SHOUT_LIBS=`$PKGCONFIG --libs shout` xt_have_shout="maybe" else if test "$PKGCONFIG" != "no" then AC_MSG_NOTICE([$PKGCONFIG couldn't find libshout. Try adjusting PKG_CONFIG_PATH.]) fi # pkg-config unavailable, try shout-config AC_PATH_PROG([SHOUTCONFIG], [shout-config], [no]) if test "$SHOUTCONFIG" != "no" && test `$SHOUTCONFIG --package` = "libshout" then SHOUT_CPPFLAGS=`$SHOUTCONFIG --cppflags` SHOUT_CFLAGS=`$SHOUTCONFIG --cflags-only` SHOUT_LIBS=`$SHOUTCONFIG --libs` xt_have_shout="maybe" fi fi # Now try actually using libshout if test "$xt_have_shout" != "no" then ac_save_CPPFLAGS="$CPPFLAGS" ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CPPFLAGS="$CPPFLAGS $SHOUT_CPPFLAGS" CFLAGS="$CFLAGS $SHOUT_CFLAGS" LIBS="$SHOUT_LIBS $LIBS" AC_CHECK_HEADERS([shout/shout.h], [ AC_CHECK_FUNC([shout_new], [ ifelse([$1], , :, [$1]) xt_have_shout="yes" ]) AC_EGREP_CPP([yes], [#include <shout/shout.h> #if SHOUT_THREADSAFE yes #endif ], [SHOUT_THREADSAFE="yes"]) ]) CPPFLAGS="$ac_save_CPPFLAGS" CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi if test "$xt_have_shout" != "yes" then ifelse([$2], , :, [$2]) fi ])dnl XIPH_PATH_SHOUT