+ifdef DEBUG
+ CFLAGS += -g
+endif
+
+CFLAGS += -Igit
+CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
+CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
+CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
+CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
+
+
+#
+# If make is run on a nongit platform, get the git sources as a tarball.
+#
+GITVER = $(shell git version 2>/dev/null || echo nogit)
+ifeq ($(GITVER),nogit)
+GITURL = http://www.kernel.org/pub/software/scm/git/git-1.5.2.tar.bz2
+INITGIT = test -e git/git.c || ((curl "$(GITURL)" | tar -xj) && mv git-1.5.2 git)
+else
+INITGIT = ./submodules.sh -i
+endif
+
+
+#
+# basic build rules
+#