From 55ab1f564286c6f3e986bf68ebb271132a749c6f Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Thu, 15 Dec 2022 11:05:31 +0100
Subject: Add clang support.

---
 src/configure.cc | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'src/configure.cc')

diff --git a/src/configure.cc b/src/configure.cc
index 86538ab..50a7c32 100644
--- a/src/configure.cc
+++ b/src/configure.cc
@@ -32,6 +32,7 @@ namespace ctor
 {
 std::optional<std::string> includedir;
 std::optional<std::string> libdir;
+std::map<std::string, std::string> conf_values;
 }
 
 bool hasConfiguration(const std::string& key)
@@ -46,6 +47,11 @@ bool hasConfiguration(const std::string& key)
 		return true;
 	}
 
+	if(ctor::conf_values.find(key) != ctor::conf_values.end())
+	{
+		return true;
+	}
+
 	const auto& c = configuration();
 	return c.tools.find(key) != c.tools.end();
 }
@@ -63,6 +69,11 @@ const std::string& getConfiguration(const std::string& key,
 		return *ctor::libdir;
 	}
 
+	if(ctor::conf_values.find(key) != ctor::conf_values.end())
+	{
+		return ctor::conf_values[key];
+	}
+
 	const auto& c = configuration();
 	if(hasConfiguration(key))
 	{
@@ -376,6 +387,18 @@ int regenerateCache(const Settings& default_settings,
 	std::string build_ar = locate(build_arch, ar_prog);
 	std::string build_ld = locate(build_arch, ld_prog);
 
+	// Store current values for execution in this execution context.
+	if(!ctor_includedir.empty())
+	{
+		ctor::conf_values[cfg::ctor_includedir] = ctor_includedir;
+	}
+	if(!ctor_libdir.empty())
+	{
+		ctor::conf_values[cfg::ctor_libdir] = ctor_libdir;
+	}
+	ctor::conf_values[cfg::host_cxx] = host_cxx;
+	ctor::conf_values[cfg::build_cxx] = build_cxx;
+
 	std::cout << "Writing results to: " << configurationFile.string() << "\n";
 	{
 		std::ofstream istr(configurationFile);
-- 
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