From bc85cc286c8a3f1055f1979a7ff8697cf1b61912 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 30 Aug 2018 14:06:03 +0300
Subject: [PATCH] Add support for statically linking the C++ standard library

It can be requested by setting the libmode for "stdc++" as STATIC.
---
 source/gnulinker.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/source/gnulinker.cpp b/source/gnulinker.cpp
index a132ace..51da81f 100644
--- a/source/gnulinker.cpp
+++ b/source/gnulinker.cpp
@@ -338,8 +338,18 @@ Task *GnuLinker::Linker::run(const Target &target) const
 
 	if(static_link_ok)
 		argv.push_back("-static");
-	else if(architecture->get_system()=="windows")
-		argv.push_back("-Wl,--enable-auto-import");
+	else
+	{
+		if(compiler_tag=="CXX")
+		{
+			BuildInfo::LibModeMap::const_iterator i = binfo.libmodes.find("stdc++");
+			if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
+				argv.push_back("-static-libstdc++");
+		}
+
+		if(architecture->get_system()=="windows")
+			argv.push_back("-Wl,--enable-auto-import");
+	}
 
 	return new ExternalTask(argv, work_dir);
 }
-- 
2.45.2