From 08f36d41ea69ca331715ac8d70b0bf8fd849f401 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 12 Jun 2018 11:56:18 +0200
Subject: Add built-in support for Windows module definition files (.def)

---
 build2/bin/init.cxx   |  6 ++++++
 build2/bin/target.cxx | 17 +++++++++++++++++
 build2/bin/target.hxx | 12 ++++++++++++
 3 files changed, 35 insertions(+)

(limited to 'build2/bin')

diff --git a/build2/bin/init.cxx b/build2/bin/init.cxx
index 0761bb6..13e3289 100644
--- a/build2/bin/init.cxx
+++ b/build2/bin/init.cxx
@@ -399,6 +399,12 @@ namespace build2
         t.insert<liba> ();
         t.insert<libs> ();
 
+        // Register the def{} target type. Note that we do it here since it is
+        // input and can be specified unconditionally (i.e., not only when
+        // building for Windows).
+        //
+        t.insert<def> ();
+
         // Note: libu*{} are not installable.
         //
         if (install_loaded)
diff --git a/build2/bin/target.cxx b/build2/bin/target.cxx
index aee2d25..a33875c 100644
--- a/build2/bin/target.cxx
+++ b/build2/bin/target.cxx
@@ -364,5 +364,22 @@ namespace build2
       &file_search,
       false
     };
+
+    // def
+    //
+    extern const char def_ext[] = "def"; // VC14 rejects constexpr.
+
+    const target_type def::static_type
+    {
+      "def",
+      &file::static_type,
+      &target_factory<def>,
+      &target_extension_fix<def_ext>,
+      nullptr,                          /* default_extension */
+      &target_pattern_fix<def_ext>,
+      nullptr,
+      &file_search,
+      false
+    };
   }
 }
diff --git a/build2/bin/target.hxx b/build2/bin/target.hxx
index 32ef0fb..f0b427f 100644
--- a/build2/bin/target.hxx
+++ b/build2/bin/target.hxx
@@ -264,6 +264,18 @@ namespace build2
       static const target_type static_type;
       virtual const target_type& dynamic_type () const {return static_type;}
     };
+
+    // Windows module definition (.def).
+    //
+    class def: public file
+    {
+    public:
+      using file::file;
+
+    public:
+      static const target_type static_type;
+      virtual const target_type& dynamic_type () const {return static_type;}
+    };
   }
 }
 
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