doc: Use all tags for version number

diff --git a/doc/Makefile b/doc/Makefile
index 0a5d32290fcf61728ddbafd55781077ed55b0b30..79cb351cb582c452006781eb9963141be7d9fdc1 100644 (file)
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -30,4 +30,4 @@ clean:
 
 .PHONY: version.tex
 version.tex:
-       git describe --dirty --always --match 'version_*'|sed -e s/^version_// > $@
+       git describe --dirty --always |sed -e s/^[-_a-zA-Z]*// > $@