From 70317569c6dcd9809ed4a8c425777e653ec6ca08 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 1 May 2017 18:24:31 +0300
Subject: Add hxx extension for headers

---
 build2/bin/guess.hxx | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 build2/bin/guess.hxx

(limited to 'build2/bin/guess.hxx')

diff --git a/build2/bin/guess.hxx b/build2/bin/guess.hxx
new file mode 100644
index 0000000..803f299
--- /dev/null
+++ b/build2/bin/guess.hxx
@@ -0,0 +1,107 @@
+// file      : build2/bin/guess.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD2_BIN_GUESS_HXX
+#define BUILD2_BIN_GUESS_HXX
+
+#include <build2/types.hxx>
+#include <build2/utility.hxx>
+
+namespace build2
+{
+  namespace bin
+  {
+    // ar/ranlib information.
+    //
+    // Currently recognized ar/ranlib and their ids:
+    //
+    // gnu          GNU binutils
+    // llvm         LLVM
+    // bsd          FreeBSD (and maybe other BSDs)
+    // msvc         Microsoft's lib.exe
+    // generic      Generic/unrecognized
+    //
+    // The signature is normally the --version/-V line.
+    //
+    // The checksum is used to detect ar/ranlib changes. It is calculated in
+    // a toolchain-specific manner (usually the output of --version/-V) and
+    // is not bulletproof.
+    //
+    struct ar_info
+    {
+      process_path ar_path;
+      string ar_id;
+      string ar_signature;
+      string ar_checksum;
+
+      process_path ranlib_path;
+      string ranlib_id;
+      string ranlib_signature;
+      string ranlib_checksum;
+    };
+
+    // The ranlib path can be NULL, in which case no ranlib guessing will be
+    // attemplated and the returned ranlib_* members will be left empty.
+    //
+    ar_info
+    guess_ar (const path& ar, const path* ranlib, const dir_path& fallback);
+
+    // ld information.
+    //
+    // Currently recognized linkers and their ids:
+    //
+    // gnu          GNU binutils ld.bfd
+    // gold         GNU binutils ld.gold
+    // llvm         LLVM lld (note: not llvm-ld or llvm-link)
+    // ld64         Apple's new linker
+    // cctools      Apple's old/classic linker
+    // msvc         Microsoft's link.exe
+    //
+    // Note that BSDs are currently using GNU ld but some of them (e.g.,
+    // FreeBSD) are hoping to migrate to lld.
+    //
+    // The signature is normally the --version/-version/-v line.
+    //
+    // The checksum is used to detect ld changes. It is calculated in a
+    // toolchain-specific manner (usually the output of --version/-version/-v)
+    // and is not bulletproof.
+    //
+    struct ld_info
+    {
+      process_path path;
+      string id;
+      string signature;
+      string checksum;
+    };
+
+    ld_info
+    guess_ld (const path& ld, const dir_path& fallback);
+
+    // rc information.
+    //
+    // Currently recognized resource compilers and their ids:
+    //
+    // gnu          GNU binutils windres
+    // msvc         Microsoft's rc.exe
+    //
+    // The signature is normally the --version line.
+    //
+    // The checksum is used to detect rc changes. It is calculated in a
+    // toolchain-specific manner (usually the output of --version) and is not
+    // bulletproof.
+    //
+    struct rc_info
+    {
+      process_path path;
+      string id;
+      string signature;
+      string checksum;
+    };
+
+    rc_info
+    guess_rc (const path& rc, const dir_path& fallback);
+  }
+}
+
+#endif // BUILD2_BIN_GUESS_HXX
-- 
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