2 files changed, 11 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index aa36ff7..1e016e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,2 +4,3 @@ cgit.conf
 VERSION
 *.o
+*.d
diff --git a/Makefile b/Makefile
index d1950cb..faf7b98 100644
--- a/Makefile
+++ b/Makefile
@@ -14,4 +14,11 @@ GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 
 
+#
+# Define a pattern rule for automatic dependency building
+#
+%.d: %.c
+        $(CC) $(CFLAGS) -MM $< | sed -e 's/\($*\)\.o:/\1.o $@:/g' >$@
+
+
 EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
 OBJECTS =
@@ -62,4 +69,6 @@ cgit: $(OBJECTS)
 $(OBJECTS): git/xdiff/lib.a git/libgit.a VERSION
 
+-include $(OBJECTS:.o=.d)
+
 git/xdiff/lib.a: | git
 
@@ -85,5 +94,5 @@ uninstall:
 
 clean:
-        rm -f cgit VERSION *.o
+        rm -f cgit VERSION *.o *.d
         cd git && $(MAKE) clean