From 31b234140dba2e919113a521c1b3c2131eea075c Mon Sep 17 00:00:00 2001
From: Don Bright <hugh.m.bright@gmail.com>
Date: Thu, 30 May 2013 06:02:38 +0200
Subject: improve bison detection


diff --git a/scripts/check-dependencies.sh b/scripts/check-dependencies.sh
index ef8c904..4d5505e 100755
--- a/scripts/check-dependencies.sh
+++ b/scripts/check-dependencies.sh
@@ -155,8 +155,15 @@ flex_sysver()
 
 bison_sysver()
 {
+  # bison (GNU Bison) 2.7.12-4996
   if [ ! -x $1/bin/bison ]; then return ; fi
-  bison_sysver_result=`$1/bin/bison --version | grep bison | sed s/"[^0-9.]"/" "/g`
+  bison_sver=`$1/bin/bison --version | grep bison`
+  debug bison_sver1: $bison_sver
+  bison_sver=`echo $bison_sver | awk -F ")" ' { print $2 } '`
+  debug bison_sver2: $bison_sver
+  bison_sver=`echo $bison_sver | awk -F "-" ' { print $1 } '`
+  debug bison_sver3: $bison_sver
+  bison_sysver_result=$bison_sver
 }
 
 gcc_sysver()
@@ -425,7 +432,7 @@ find_installed_version()
         debug $depname"_sysver" $syspath
         eval $depname"_sysver" $syspath
         fsv_tmp=`eval echo "$"$depname"_sysver_result"`
-		if [ $fsv_tmp ]; then break; fi
+        if [ $fsv_tmp ]; then break; fi
       fi
     done
   fi
-- 
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