$NetBSD: patch-src_Makefile.am,v 1.1 2015/09/24 23:34:16 tnn Exp $

--- src/Makefile.am.orig	2013-12-02 21:07:56.000000000 +0000
+++ src/Makefile.am
@@ -4,6 +4,10 @@ if PTHREAD
 PTHREAD_SOURCES=xshmfence_pthread.c xshmfence_pthread.h
 endif
 
+if SEMAPHORE
+SEMAPHORE_SOURCES=xshmfence_semaphore.c xshmfence_semaphore.h
+endif
+
 if FUTEX
 FUTEX_SOURCES=xshmfence_futex.c xshmfence_futex.h
 endif
@@ -12,6 +16,7 @@ libxshmfence_la_SOURCES = \
 	xshmfenceint.h \
 	xshmfence_alloc.c \
 	$(PTHREAD_SOURCES) \
+	$(SEMAPHORE_SOURCES) \
 	$(FUTEX_SOURCES)
 
 AM_CFLAGS = $(CWARNFLAGS)