1 files changed, 9 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 183516c..a97bdb1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,15 @@ INCLUDES = $(top_srcdir)/include/
 .PHONY: ChangeLog INSTALL
 INSTALL:
         $(INSTALL_CMD)
+
 ChangeLog:
-        bzr log > ChangeLog
+        @if test -d ".bzr"; then \
+            cmd=bzr; \
+        elif test -d ".git"; then \
+            cmd=git; \
+        else \
+            cmd="echo could not generate change"; \
+        fi; \
+        $${cmd} log > ChangeLog;
 
 dist-hook: ChangeLog INSTALL