From b90b749f2353f1bda4753a442c5f7bcef2937b13 Mon Sep 17 00:00:00 2001
From: Chris Johns <chrisj@rtems.org>
Date: Sun, 14 Jul 2019 14:00:43 +1000
Subject: sb/config: Add triplet processing command.

---
 source-builder/sb/config.py | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/source-builder/sb/config.py b/source-builder/sb/config.py
index 2c3a13e..8541cb5 100644
--- a/source-builder/sb/config.py
+++ b/source-builder/sb/config.py
@@ -625,6 +625,37 @@ class file:
                         s = s.replace(m, '1')
                     expanded = True
                     mn = None
+                elif m.startswith('%{triplet'):
+                    triplet = m[len('%{triplet'):-1].strip().split()
+                    ok = False
+                    if len(triplet) == 2:
+                        macro = self._expand(triplet[0])
+                        value = self._expand(triplet[1])
+                        vorig = value
+                        arch_value = ''
+                        vendor_value = ''
+                        os_value = ''
+                        dash = value.find('-')
+                        if dash >= 0:
+                            arch_value = value[:dash]
+                            value = value[dash + 1:]
+                        dash = value.find('-')
+                        if dash >= 0:
+                            vendor_value = value[:dash]
+                            value = value[dash + 1:]
+                        if len(value):
+                            os_value = value
+                        self.macros[macro] = vorig
+                        self.macros[macro + '_cpu'] = arch_value
+                        self.macros[macro + '_arch'] = arch_value
+                        self.macros[macro + '_vendor'] = vendor_value
+                        self.macros[macro + '_os'] = os_value
+                        ok = True
+                    if ok:
+                        s = s.replace(m, '')
+                    else:
+                        self._error('triplet error: %s' % (' '.join(triplet)))
+                    mn = None
                 elif m.startswith('%{path '):
                     pl = m[7:-1].strip().split()
                     ok = False
-- 
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