Implement SHA1 build-id handling in ld.
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7ee0346..7662c38 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -36,9 +36,10 @@
 noinst_LIBRARIES = libeu.a
 
 libeu_a_SOURCES = xstrndup.c xmalloc.c next_prime.c \
-		  crc32.c crc32_file.c md5.c
+		  crc32.c crc32_file.c md5.c sha1.c
 
-noinst_HEADERS = fixedsizehash.h system.h dynamicsizehash.h list.h md5.h
+noinst_HEADERS = fixedsizehash.h system.h dynamicsizehash.h list.h md5.h \
+		 sha1.h
 EXTRA_DIST = dynamicsizehash.c
 
 if !GPROF