lib: Link with $(LTLIBTHREAD), required by Gnulib lock module.

This fixes commit cada248a53858341c91f70392e8f5b6e47d9b4fe.

diff --git a/src/Makefile.am b/src/Makefile.am
index c3b7392..62a94c4 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -115,9 +115,11 @@ libguestfs_la_SOURCES = \
        guestfs-protocol.h \
        gettext.h
 
+libguestfs_la_LIBADD = $(LTLIBTHREAD)
+
 # Make libguestfs include the convenience library.
 noinst_LTLIBRARIES = libprotocol.la
-libguestfs_la_LIBADD = libprotocol.la
+libguestfs_la_LIBADD += libprotocol.la
 
 libguestfs_la_CFLAGS = \
   -DGUESTFS_DEFAULT_PATH='"$(libdir)/guestfs"' \