--- speech_tools.orig/config/systems/GentooLinux.mak.old	2013-11-24 01:49:44.000000000 +0200
+++ speech_tools/config/systems/GentooLinux.mak	2013-11-24 13:04:14.327758435 +0200
@@ -38,6 +38,7 @@
  ###########################################################################
 
 MANDIR=$(INSTALL_PREFIX)/share/man
+GENTOO_ALSA_LIBS=$(shell pkg-config --libs alsa)
 GENTOO_CURSES_LIBS=$(shell pkg-config --libs ncurses)
 # Gentoo does not use termcap
-OS_LIBS = $(GENTOO_CURSES_LIBS) $(LDFLAGS) -ldl
+OS_LIBS = $(GENTOO_ALSA_LIBS) $(GENTOO_CURSES_LIBS) $(LDFLAGS) -ldl