configure: Add sanity checking for environment variables

[notmuch] / version

diff --git a/version b/version
index bd73f47072b1fe4b9914ec14a7f6d47fcc8f816a..97e6908543a431cf42578cca4bd8a5b94d0c1b0e 100644 (file)
--- a/version
+++ b/version
@@ -1 +1 @@
-0.4
+0.20~rc1