From a1b2319ff2ddc8a6f139ee364cabe236ca62e23e Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 8 Aug 2016 14:55:26 +0300
Subject: Add ignore case support for find_option()

---
 build2/cxx/link.cxx | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

(limited to 'build2/cxx/link.cxx')

diff --git a/build2/cxx/link.cxx b/build2/cxx/link.cxx
index 4ac5c43..d19d6b1 100644
--- a/build2/cxx/link.cxx
+++ b/build2/cxx/link.cxx
@@ -466,15 +466,10 @@ namespace build2
 
           auto upcase_sanitize = [] (char c) -> char
           {
-            if (c >= 'a' && c <='z')
-            {
-              const unsigned char shift ('a' - 'A');
-              return c - shift;
-            }
-            else if (c == '-' || c == '+' || c == '.')
+            if (c == '-' || c == '+' || c == '.')
               return '_';
             else
-              return c;
+              return ucase (c);
           };
 
           transform (t.name.begin (),
-- 
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