Fix a linker error by linking against pthreads.

diff --git a/Makefile b/Makefile
index 454f1c4..6332115 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ DEBUG=-g
 CXXFLAGS=-O -Wall -Wextra -D_FILE_OFFSET_BITS=64 $(DEBUG) \
         $(shell pkg-config --cflags $(PACKAGES)) \
         -DCUMULUS_VERSION=$(shell cat version)
-LDFLAGS=$(DEBUG) $(shell pkg-config --libs $(PACKAGES))
+LDFLAGS=$(DEBUG) $(shell pkg-config --libs $(PACKAGES)) -lpthread
 
 THIRD_PARTY_SRCS=chunk.cc sha1.cc sha256.cc
 SRCS=exclude.cc hash.cc localdb.cc main.cc metadata.cc ref.cc remote.cc \