From 37f8cc6c26709dc04cc787d631543972805edb4c Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Sun, 26 Sep 2010 22:53:39 -0700
Subject: possible prefix = NONE fix
---
configure.ac | 7 +++++++
1 file changed, 7 insertions(+)
(limited to 'configure.ac')
diff --git a/configure.ac b/configure.ac
index 4ec2644ee3..0bf807287b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,6 +19,13 @@ dnl Boston, MA 02110-1301, USA.
AC_INIT
AC_PREREQ(2.57)
+
+dnl Set the prefix to the default when --prefix is not specified.
+dnl This is critical for variable substitutions in the configure.
+if test "${prefix}" = "NONE"; then
+ prefix=${ac_default_prefix}
+fi
+
AM_CONFIG_HEADER(config.h)
AC_CONFIG_SRCDIR([gnuradio-core/src/lib/runtime/gr_vmcircbuf.cc])
--
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