From bbff2b69459a370afd6c74b6b0d3bb080ff22b89 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 14 Mar 2016 13:30:47 +0200
Subject: Add support for guessing ar/ranlib signatures

---
 build2/utility | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'build2/utility')

diff --git a/build2/utility b/build2/utility
index 0c442b0..a3f9be4 100644
--- a/build2/utility
+++ b/build2/utility
@@ -90,6 +90,10 @@ namespace build2
   // is false, only in case of a "content match" (so that any diagnostics
   // lines are left intact).
   //
+  // If ignore_exit is true, then the program's exist status is ignored (if it
+  // is false and the program exits with the non-zero status, then an empty T
+  // instance is returned).
+  //
   // If checksum is not NULL, then feed it the content of each line.
   //
   template <typename T>
@@ -97,6 +101,7 @@ namespace build2
   run (const char* const* args,
        T (*) (string&),
        bool error = true,
+       bool ignore_exit = false,
        sha256* checksum = nullptr);
 
   template <typename T>
@@ -104,10 +109,11 @@ namespace build2
   run (const path& prog,
        T (*f) (string&),
        bool error = true,
+       bool ignore_exit = false,
        sha256* checksum = nullptr)
   {
     const char* args[] = {prog.string ().c_str (), nullptr};
-    return run<T> (args, f, error, checksum);
+    return run<T> (args, f, error, ignore_exit, checksum);
   }
 
   template <typename T>
@@ -116,10 +122,11 @@ namespace build2
        const char* arg,
        T (*f) (string&),
        bool error = true,
+       bool ignore_exit = false,
        sha256* checksum = nullptr)
   {
     const char* args[] = {prog.string ().c_str (), arg, nullptr};
-    return run<T> (args, f, error, checksum);
+    return run<T> (args, f, error, ignore_exit, checksum);
   }
 
   // Empty string and path.
-- 
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