From 6538c085b3954b85e72d5612e92faf06912b046f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 23 Mar 2019 09:18:13 +0200
Subject: Relax cross-compilation test for ODB_GXX_NAME determination

---
 odb/buildfile | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'odb')

diff --git a/odb/buildfile b/odb/buildfile
index 93267d7..46c5ab6 100644
--- a/odb/buildfile
+++ b/odb/buildfile
@@ -33,11 +33,21 @@ if ($cxx.target.class != 'windows')
 #
 plugin{*}: install = bin/
 
-# Unless cross-compiling, pass the C++ compiler's recall path as g++ name. At
-# some point we should also make it configurable.
+# Unless cross-compiling, pass the C++ compiler's recall path as the g++
+# name. At some point we should also make it configurable.
 #
-gxx_name = ($cxx.target != $build.host ? g++ : $recall($cxx.path))
-gxx_name = $regex.replace($gxx_name, '\\', '\\\\') # Escape back slashes.
+# Note that we used to compare complete target triplets but that prooved too
+# strict. For example, we may be running on x86_64-apple-darwin17.7.0 while
+# the compiler is targeting x86_64-apple-darwin17.3.0.
+#
+if ($cxx.target.cpu    == $build.host.cpu && \
+    $cxx.target.system == $build.host.system)
+{
+  gxx_name = $recall($cxx.path)
+  gxx_name = $regex.replace($gxx_name, '\\', '\\\\') # Escape back slashes.
+}
+else
+  gxx_name = g++
 
 import libs  = libcutl%lib{cutl}
 import libs += libstudxml%lib{studxml}
-- 
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