From 1941d7d04af3d3c22144fdfefc29d39ec444ee8e Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Thu, 6 May 2021 21:49:18 +0300
Subject: project.boost: merge BootstrapToolchain and Toolchain

In general, simplify Toolchain a bit.  This is done in preparation for
merging project.boost.toolchain, project.cmake.toolchain and
project.toolchain.
---
 project/boost/build.py | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

(limited to 'project/boost/build.py')

diff --git a/project/boost/build.py b/project/boost/build.py
index fd5ed24..32b355a 100644
--- a/project/boost/build.py
+++ b/project/boost/build.py
@@ -85,10 +85,11 @@ class BuildParameters:
     def enum_b2_args(self):
         with self._create_build_dir() as build_dir:
             for platform in self.platforms:
-                with Toolchain.detect(self.toolset, platform) as toolchain:
-                    for configuration in self.configurations:
-                        for link, runtime_link in self._enum_linkage_options():
-                            yield self._b2_args(build_dir, toolchain, configuration, link, runtime_link)
+                toolchain = Toolchain.make(self.toolset, platform)
+                for configuration in self.configurations:
+                    for link, runtime_link in self._enum_linkage_options():
+                        with self._b2_args(build_dir, toolchain, platform, configuration, link, runtime_link) as args:
+                            yield args
 
     def _enum_linkage_options(self):
         for link in self.link:
@@ -117,16 +118,17 @@ class BuildParameters:
                 logging.info('Removing build directory: %s', build_dir)
             return
 
-    def _b2_args(self, build_dir, toolchain, configuration, link, runtime_link):
-        result = []
-        result.append(f'--build-dir={build_dir}')
-        result.append('--layout=system')
-        result += toolchain.b2_args(configuration)
-        result += configuration.b2_args()
-        result += link.b2_args()
-        result += runtime_link.b2_args('runtime-link')
-        result += self.b2_args
-        return result
+    @contextmanager
+    def _b2_args(self, build_dir, toolchain, platform, configuration, link, runtime_link):
+        with toolchain.b2_args() as result:
+            result.append(f'--build-dir={build_dir}')
+            result.append('--layout=system')
+            result += platform.b2_args(configuration)
+            result += configuration.b2_args()
+            result += link.b2_args()
+            result += runtime_link.b2_args('runtime-link')
+            result += self.b2_args
+            yield result
 
 
 def build(params):
-- 
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