--- SheepShaver/src/Unix/configure.ac	2005/11/30 21:42:22	1.41
+++ SheepShaver/src/Unix/configure.ac	2005/12/04 16:26:57	1.42
@@ -125,6 +125,7 @@ AC_SUBST(MONSRCS)
 
 dnl Checks for libraries.
 AC_CHECK_LIB(posix4, sem_init)
+AC_CHECK_LIB(m, cos)
 
 dnl Do we need SDL?
 WANT_SDL=no
@@ -491,6 +492,12 @@ darwin*)
     EXTFSSRC=../MacOSX/extfs_macosx.mm
   fi
   ;;
+irix*)
+  ETHERSRC=ether_unix.cpp
+  AUDIOSRC=Irix/audio_irix.cpp
+  LIBS="$LIBS -laudio"
+  WANT_ESD=no
+  ;;
 esac
 
 dnl Is the slirp library supported?