From ab4421747146aa7995f0cfb1a639c9121c82c915 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 8 Jan 2015 13:27:15 +0200
Subject: Implement tracing support

Also use to-relative path translation in diagnostics.
---
 build/diagnostics | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'build/diagnostics')

diff --git a/build/diagnostics b/build/diagnostics
index c8fb169..98f481f 100644
--- a/build/diagnostics
+++ b/build/diagnostics
@@ -6,9 +6,12 @@
 #define BUILD_DIAGNOSTICS
 
 #include <tuple>
+#include <vector>
 #include <utility>
 #include <exception>
 
+#include <build/trace>
+
 namespace build
 {
   // Throw this exception to terminate the build. The handler should
@@ -16,6 +19,17 @@ namespace build
   //
   class error: public std::exception {};
 
+  // Print process commmand line.
+  //
+  void
+  print_process (const char* const* args);
+
+  inline void
+  print_process (const std::vector<const char*>& args)
+  {
+    print_process (args.data ());
+  }
+
   // Call a function if there is an exception.
   //
   template <typename F, typename T>
-- 
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