1diff --git a/configure.ac b/configure.ac
2index c214ccd..ab0cdd7 100644
3--- a/configure.ac
4+++ b/configure.ac
5@@ -1,5 +1,5 @@
6 AC_PREREQ([2.69])
7-AC_INIT([libgeneral], m4_esyscmd([git rev-list --count HEAD | tr -d '\n']), [tihmstar@gmail.com])
8+AC_INIT([libgeneral], [tihmstar@gmail.com])
9
10 AC_CANONICAL_SYSTEM
11 AC_CANONICAL_HOST
12@@ -9,10 +9,10 @@ AM_INIT_AUTOMAKE([subdir-objects])
13 AC_CONFIG_HEADERS([config.h])
14 AC_CONFIG_MACRO_DIRS([m4])
15
16-AC_DEFINE([VERSION_COMMIT_COUNT], "m4_esyscmd([git rev-list --count HEAD | tr -d '\n'])", [Git commit count])
17-AC_DEFINE([VERSION_COMMIT_SHA], "m4_esyscmd([git rev-parse HEAD | tr -d '\n'])", [Git commit sha])
18-AC_SUBST([VERSION_COMMIT_COUNT], ["m4_esyscmd([git rev-list --count HEAD | tr -d '\n'])"])
19-AC_SUBST([VERSION_COMMIT_SHA], ["m4_esyscmd([git rev-parse HEAD | tr -d '\n'])"])
20+AC_ARG_WITH([version-commit-count], [],
21+ [VERSION_COMMIT_COUNT="$withval"])
22+AC_DEFINE([VERSION_COMMIT_COUNT], ["$VERSION_COMMIT_COUNT"], [Git commit count])
23+AC_SUBST([VERSION_COMMIT_COUNT], ["$VERSION_COMMIT_COUNT"])
24
25 # Checks for programs.
26 AC_PROG_CXX([clang++])