From d00a96c846dc7bad686d174aa27ad7d66da149da Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Thu, 2 Dec 2021 21:35:45 +0100
Subject: Add support for bootstrapping with custom compiler, including check
 for c++20 support.

---
 src/bootstrap.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/bootstrap.cc')

diff --git a/src/bootstrap.cc b/src/bootstrap.cc
index 08f7b1f..bf597ea 100644
--- a/src/bootstrap.cc
+++ b/src/bootstrap.cc
@@ -3,6 +3,7 @@
 // See accompanying file LICENSE for details.
 #include <iostream>
 #include <array>
+#include <cstdlib>
 
 #define BOOTSTRAP
 
@@ -29,12 +30,23 @@ const Configuration& configuration()
 
 bool hasConfiguration(const std::string& key)
 {
+	if(key == cfg::host_cxx && std::getenv("CXX"))
+	{
+		return true;
+	}
+
 	return false;
 }
 
 const std::string& getConfiguration(const std::string& key,
                                     const std::string& defaultValue)
 {
+	if(key == cfg::host_cxx && std::getenv("CXX"))
+	{
+		static std::string s = std::getenv("CXX");
+		return s;
+	}
+
 	return defaultValue;
 }
 
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