From dd4a389117812f0d3b45473d87214d67d0cb4a3a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 12 Dec 2015 09:00:14 +0200
Subject: Add bin.libprefix to override default library prefix

---
 build/cxx/link.cxx | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'build/cxx')

diff --git a/build/cxx/link.cxx b/build/cxx/link.cxx
index a00b92e..f5a2e3d 100644
--- a/build/cxx/link.cxx
+++ b/build/cxx/link.cxx
@@ -461,11 +461,24 @@ namespace build
       //
       if (t.path ().empty ())
       {
+        auto l (t["extension"]);
+        const char* e (l ? as<string> (*l).c_str () : nullptr);
+
         switch (lt)
         {
-        case type::e:  t.derive_path (""         ); break;
-        case type::a:  t.derive_path ("a",  "lib"); break;
-        case type::so: t.derive_path ("so", "lib"); break;
+        case type::e:
+          {
+            t.derive_path (e != nullptr ? e : "");
+            break;
+          }
+        case type::a:
+        case type::so:
+          {
+            auto l (t["bin.libprefix"]);
+            t.derive_path (e != nullptr ? e : (lt == type::a ? "a" : "so"),
+                           l ? as<string> (*l).c_str () : "lib");
+            break;
+          }
         }
       }
 
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