From 3cbadb8f5c55020ece96fab0fc8f4f51da01888e Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Thu, 19 Jan 2023 14:22:51 +0100
Subject: Make extension deduction architecture-aware.

---
 src/configure.cc | 69 +++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 53 insertions(+), 16 deletions(-)

(limited to 'src/configure.cc')

diff --git a/src/configure.cc b/src/configure.cc
index a2bb8bc..10f3056 100644
--- a/src/configure.cc
+++ b/src/configure.cc
@@ -193,6 +193,26 @@ std::ostream& operator<<(std::ostream& stream, const ctor::toolchain& toolchain)
 	return stream;
 }
 
+std::ostream& operator<<(std::ostream& stream, const ctor::arch& arch)
+{
+	switch(arch)
+	{
+	case ctor::arch::unix:
+		stream << "ctor::arch::unix";
+		break;
+	case ctor::arch::apple:
+		stream << "ctor::arch::apple";
+		break;
+	case ctor::arch::windows:
+		stream << "ctor::arch::windows";
+		break;
+	case ctor::arch::unknown:
+		stream << "ctor::arch::unknown";
+		break;
+	}
+	return stream;
+}
+
 std::ostream& operator<<(std::ostream& ostr, const ctor::c_flag& flag)
 {
 	for(const auto& s : to_strings(ctor::toolchain::any, flag))
@@ -243,9 +263,9 @@ int regenerateCache(ctor::settings& settings,
 	dg::Options opt;
 	int key{128};
 
-	std::string build_arch;
+	std::string build_arch_prefix;
 	std::string build_path;
-	std::string host_arch;
+	std::string host_arch_prefix;
 	std::string host_path;
 	std::string cc_prog = "gcc";
 	std::string cxx_prog = "g++";
@@ -302,7 +322,7 @@ int regenerateCache(ctor::settings& settings,
 	opt.add("build", required_argument, key++,
 	        "Configure for building on specified architecture.",
 	        [&]() {
-		        build_arch = optarg;
+		        build_arch_prefix = optarg;
 		        return 0;
 	        });
 
@@ -316,7 +336,7 @@ int regenerateCache(ctor::settings& settings,
 	opt.add("host", required_argument, key++,
 	        "Cross-compile to build programs to run on specified architecture.",
 	        [&]() {
-		        host_arch = optarg;
+		        host_arch_prefix = optarg;
 		        return 0;
 	        });
 
@@ -399,9 +419,9 @@ int regenerateCache(ctor::settings& settings,
 
 	opt.process(vargs.size(), vargs.data());
 
-	if(host_arch.empty())
+	if(host_arch_prefix.empty())
 	{
-		host_arch = build_arch;
+		host_arch_prefix = build_arch_prefix;
 	}
 
 	auto tasks = getTasks(settings, {}, false);
@@ -455,14 +475,29 @@ int regenerateCache(ctor::settings& settings,
 		ld_prog = ld_env->second;
 	}
 
-	std::string host_cc = locate(host_arch, cc_prog);
-	std::string host_cxx = locate(host_arch, cxx_prog);
-	std::string host_ar = locate(host_arch, ar_prog);
-	std::string host_ld = locate(host_arch, ld_prog);
-	std::string build_cc = locate(build_arch, cc_prog);
-	std::string build_cxx = locate(build_arch, cxx_prog);
-	std::string build_ar = locate(build_arch, ar_prog);
-	std::string build_ld = locate(build_arch, ld_prog);
+	// Host detection
+	auto host_cc = locate(host_arch_prefix, cc_prog);
+	auto host_cxx = locate(host_arch_prefix, cxx_prog);
+	auto host_ar = locate(host_arch_prefix, ar_prog);
+	auto host_ld = locate(host_arch_prefix, ld_prog);
+
+	auto host_toolchain = getToolChain(host_cxx);
+	auto host_arch_str = get_arch(ctor::output_system::host);
+	auto host_arch = get_arch(ctor::output_system::host, host_arch_str);
+
+	std::cout << "** Host architecture '" << host_arch_str << "': " << host_arch << std::endl;
+
+	// Build detection
+	auto build_cc = locate(build_arch_prefix, cc_prog);
+	auto build_cxx = locate(build_arch_prefix, cxx_prog);
+	auto build_ar = locate(build_arch_prefix, ar_prog);
+	auto build_ld = locate(build_arch_prefix, ld_prog);
+
+	auto build_toolchain = getToolChain(build_cxx);
+	auto build_arch_str = get_arch(ctor::output_system::build);
+	auto build_arch = get_arch(ctor::output_system::build, build_arch_str);
+
+	std::cout << "** Build architecture '" << build_arch_str << "': " << build_arch << std::endl;
 
 	if(!host_cxx.empty())
 	{
@@ -494,8 +529,10 @@ int regenerateCache(ctor::settings& settings,
 		istr << "{\n";
 		istr << "	static ctor::configuration cfg =\n";
 		istr << "	{\n";
-		istr << "		.host_toolchain = " << getToolChain(host_cxx) << ",\n";
-		istr << "		.build_toolchain = " << getToolChain(build_cxx) << ",\n";
+		istr << "		.host_toolchain = " << host_toolchain << ",\n";
+		istr << "		.host_arch = " << host_arch << ",\n";
+		istr << "		.build_toolchain = " << build_toolchain << ",\n";
+		istr << "		.build_arch = " << build_arch << ",\n";
 		istr << "		.args = {";
 		for(const auto& arg : args)
 		{
-- 
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