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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index a1a9861b82..8cf4d61819 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@ dnl
AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.7], [glasgow-haskell-bugs@haskell.org], [ghc])
# Set this to YES for a released version, otherwise NO
-RELEASE=NO
+: ${RELEASE=NO}
# The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
# above. If this is not a released version, then we will append the