From e2942e34af370f6710661597aee5f750e2562f3c Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Sun, 19 Apr 2009 16:47:09 +0000
Subject: Use a bashism for a minor speedup in gendepends.sh

---
 sh/functions.sh.in | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sh/functions.sh.in b/sh/functions.sh.in
index 57917ed3..acf37e45 100644
--- a/sh/functions.sh.in
+++ b/sh/functions.sh.in
@@ -59,13 +59,18 @@ _sanitize_path()
 }
 
 # Allow our scripts to support zsh
-if [ -n "${ZSH_VERSION}" ]; then
+if [ -n "$ZSH_VERSION" ]; then
 	emulate sh
 	NULLCMD=:
 	alias -g '${1+"$@"}'='"$@"'
 	setopt NO_GLOB_SUBST
 fi
 
+# Use a special shell feature to save forking
+if [ -n "$BASH_VERSION" -o "$ZSH_VERSION" ]; then
+	shell_var() { LC_ALL=C echo "${@//[![:word:]]/_}"; }
+fi
+
 # Make a sane PATH
 _PREFIX=@PREFIX@
 _PKG_PREFIX=@PKG_PREFIX@
-- 
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