From 09a80f013841e294301e2a174622264b2527cd40 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 20 Jul 2016 10:47:16 +0200
Subject: Sanitize library name-derived macro for illegal characters ('-', etc)

---
 build2/cxx/link.cxx | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

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

diff --git a/build2/cxx/link.cxx b/build2/cxx/link.cxx
index b80fc8b..88181aa 100644
--- a/build2/cxx/link.cxx
+++ b/build2/cxx/link.cxx
@@ -459,18 +459,23 @@ namespace build2
           //
           string d ("-DLIB");
 
-          //@@ CASE
-
-          auto upcase = [] (char c)
+          auto upcase_sanitize = [] (char c) -> char
           {
-            const unsigned char shift ('a' - 'A');
-            return c >= 'a' && c <='z' ? c - shift : c;
+            if (c >= 'a' && c <='z')
+            {
+              const unsigned char shift ('a' - 'A');
+              return c - shift;
+            }
+            else if (c == '-' || c == '+' || c == '.')
+              return '_';
+            else
+              return c;
           };
 
           transform (t.name.begin (),
                      t.name.end (),
                      back_inserter (d),
-                     upcase);
+                     upcase_sanitize);
 
           d += '_';
           d += suffix;
-- 
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