From d64d0389118ec6ceaf414096f5a215e3d721a1c9 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sun, 30 Aug 2020 10:06:17 -0700
Subject: [PATCH] ircd::spirit: Adjust generator_state linkage for clang/gcc.

---
 include/ircd/spirit/generate.h | 8 +++++++-
 ircd/parse.cc                  | 6 ++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/ircd/spirit/generate.h b/include/ircd/spirit/generate.h
index 672802fe6..5c5f5a59a 100644
--- a/include/ircd/spirit/generate.h
+++ b/include/ircd/spirit/generate.h
@@ -14,6 +14,12 @@
 /// it involves extremely expensive boost headers for creating formal spirit
 /// grammars. This file is automatically included in the spirit.h group.
 
+#ifdef __clang__
+	#define IRCD_SPIRIT_GSPTR_LINKAGE static
+#else
+	#define IRCD_SPIRIT_GSPTR_LINKAGE extern
+#endif
+
 namespace ircd {
 namespace spirit
 __attribute__((visibility("default")))
@@ -21,7 +27,7 @@ __attribute__((visibility("default")))
 	IRCD_EXCEPTION(error, generator_error);
 	IRCD_EXCEPTION(generator_error, buffer_overrun);
 
-	static thread_local struct generator_state *generator_state {nullptr};
+	IRCD_SPIRIT_GSPTR_LINKAGE thread_local struct generator_state *generator_state;
 	extern thread_local char generator_buffer[8][64_KiB];
 }}
 
diff --git a/ircd/parse.cc b/ircd/parse.cc
index 739f9d62d..dbddf94a6 100644
--- a/ircd/parse.cc
+++ b/ircd/parse.cc
@@ -28,6 +28,12 @@ decltype(ircd::spirit::rule_buffer)
 ircd::spirit::rule_buffer
 alignas(64);
 
+#ifndef __clang__
+thread_local
+decltype(ircd::spirit::generator_state)
+ircd::spirit::generator_state;
+#endif
+
 thread_local
 decltype(ircd::spirit::generator_buffer)
 ircd::spirit::generator_buffer