From 0159b72dbf048b0aa7d7b9ae85715205cb801e50 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 14 Nov 2021 18:06:58 +0100
Subject: Evaluate externals in configure step end read from config map during
 compilation.

---
 src/configure.cc | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 96 insertions(+), 5 deletions(-)

(limited to 'src/configure.cc')

diff --git a/src/configure.cc b/src/configure.cc
index 13409ef..98f68d7 100644
--- a/src/configure.cc
+++ b/src/configure.cc
@@ -325,6 +325,17 @@ int regenerateCache(const Settings& default_settings,
 	std::string build_ar = locate(build_arch, ar_prog);
 	std::string build_ld = locate(build_arch, ld_prog);
 
+	// TODO: Centralize
+	// Resolv externals
+	ExternalConfigurations externalConfigs;
+	for(std::size_t i = 0; i < numExternalConfigFiles; ++i)
+	{
+		auto newExternalConfigs = externalConfigFiles[i].cb();
+		externalConfigs.insert(externalConfigs.end(),
+		                       newExternalConfigs.begin(),
+		                       newExternalConfigs.end());
+	}
+
 	std::cout << "Writing results to: " << configurationFile.string() << "\n";
 	{
 		std::ofstream istr(configurationFile);
@@ -367,10 +378,76 @@ int regenerateCache(const Settings& default_settings,
 			ctor::libdir = ctor_libdir;
 		}
 
+		istr << "		},\n";
+		istr << "	.externals = {\n";
+
+		for(const auto& externalConfig : externalConfigs)
+		{
+			if(!externalConfig.cflags.empty())
+			{
+				istr << "		{ \"" << externalConfig.name << "-cflags\",\n";
+				istr << "			{\n";
+				for(const auto& cflag : externalConfig.cflags)
+				{
+					istr << "				\"" << cflag << "\",\n";
+				}
+				istr << "			},\n";
+				istr << "		},\n";
+			}
+
+			if(!externalConfig.cxxflags.empty())
+			{
+				istr << "		{ \"" << externalConfig.name << "-cxxflags\",\n";
+				istr << "			{\n";
+				for(const auto& cxxflag : externalConfig.cxxflags)
+				{
+					istr << "				\"" << cxxflag << "\",\n";
+				}
+				istr << "			},\n";
+				istr << "		},\n";
+			}
+
+			if(!externalConfig.ldflags.empty())
+			{
+				istr << "		{ \"" << externalConfig.name << "-ldflags\",\n";
+				istr << "			{\n";
+				for(const auto& ldflag : externalConfig.ldflags)
+				{
+					istr << "				\"" << ldflag << "\",\n";
+				}
+				istr << "			},\n";
+				istr << "		},\n";
+			}
+
+			if(!externalConfig.libs.empty())
+			{
+				istr << "		{ \"" << externalConfig.name << "-libs\",\n";
+				istr << "			{\n";
+				for(const auto& lib : externalConfig.libs)
+				{
+					istr << "				\"" << lib << "\",\n";
+				}
+				istr << "			},\n";
+				istr << "		},\n";
+			}
+
+			if(!externalConfig.asmflags.empty())
+			{
+				istr << "		{ \"" << externalConfig.name << "-asmflags\",\n";
+				istr << "			{\n";
+				for(const auto& asmflag : externalConfig.asmflags)
+				{
+					istr << "				\"" << asmflag << "\",\n";
+				}
+				istr << "			},\n";
+				istr << "		},\n";
+			}
+		}
+
 		istr << "		},\n";
 		istr << "	};\n";
 		istr << "	return cfg;\n";
-		istr << "}\n";
+		istr << "}\n\n";
 	}
 
 	{
@@ -424,13 +501,26 @@ int configure(const Settings& global_settings, int argc, char* argv[])
 		return ret;
 	}
 
-	recompileCheck(settings, 1, argv, false);
+	recompileCheck(settings, argc, argv, false);
 
 	return 0;
 }
 
 int reconfigure(const Settings& settings, int argc, char* argv[])
 {
+	bool no_rerun{false};
+
+	std::vector<std::string> args;
+	for(int i = 2; i < argc; ++i) // skip executable name and 'reconfigure' arg
+	{
+		if(i == 2 && std::string(argv[i]) == "--no-rerun")
+		{
+			no_rerun = true;
+			continue;
+		}
+		args.push_back(argv[i]);
+	}
+
 	const auto& cfg = configuration();
 
 	std::cout << "Re-running configure:\n";
@@ -451,10 +541,11 @@ int reconfigure(const Settings& settings, int argc, char* argv[])
 		return ret;
 	}
 
-	std::vector<std::string> args;
-	for(int i = 2; i < argc; ++i) // skip command and the first 'reconfigure' arg
+	recompileCheck(settings, 1, argv, false);
+
+	if(no_rerun)
 	{
-		args.push_back(argv[i]);
+		return 0; // this was originally invoked by configure, don't loop
 	}
 
 	return execute(argv[0], args);
-- 
cgit v1.2.3