add option -v to display current version

[wall-notify/wall-notify.git] / src / Makefile.am

diff --git a/src/Makefile.am b/src/Makefile.am
index 5b18bbea2b20f7cae72f47ca707a821d06524cfe..e6a129584df79adbdcd40a199401d2bfa4e57244 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1 +1,10 @@
 bin_PROGRAMS = wall-notify
+
+# Provide current Git commit id as macro.
+AM_CPPFLAGS = -DGIT_VERSION="\"`cat $(srcdir)/git_version`\""
+wall-notify.$(OBJEXT): $(srcdir)/git_version
+
+$(srcdir)/git_version: $(SOURCES)
+       test -d $(top_srcdir)/.git && git describe --always >$@ || :>$@
+clean-local:
+       rm -f $(srcdir)/git_version