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-rw-r--r--configure.in5
1 files changed, 4 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index dbcffd66c..a67516c41 100644
--- a/configure.in
+++ b/configure.in
@@ -494,7 +494,10 @@ fi
fi
AC_SUBST(ZLIBS)
-if echo "$VERSION" | grep '[a-zA-Z]' >/dev/null ; then
+changequote(,)dnl
+tmp_pat='[a-zA-Z]'
+changequote([,])dnl
+if echo "$VERSION" | grep $tmp_pat >/dev/null ; then
AC_DEFINE(IS_DEVELOPMENT_VERSION)
fi