Add support for bootstrapping with custom compiler, including check for c++20 support.custom-gcc-bootstrap

1 files changed, 12 insertions, 0 deletions

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;
 }