From 88fe138d121a488d2687eeb416b5939e12622670 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 9 May 2020 17:03:27 -0700
Subject: [PATCH] ircd::prof: Add symbol definition for psi::supported=false on
 non-linux platforms.

---
 ircd/prof.cc       | 9 +++++++++
 modules/console.cc | 6 ++++++
 2 files changed, 15 insertions(+)

diff --git a/ircd/prof.cc b/ircd/prof.cc
index 3a6a30ca9..755169db6 100644
--- a/ircd/prof.cc
+++ b/ircd/prof.cc
@@ -22,6 +22,15 @@ ircd::prof::log
 	"prof"
 };
 
+#ifndef __linux__
+[[gnu::weak]]
+decltype(ircd::prof::psi::supported)
+ircd::prof::psi::supported
+{
+	false
+};
+#endif
+
 uint64_t
 ircd::prof::time_real()
 noexcept
diff --git a/modules/console.cc b/modules/console.cc
index d1bd71b19..aa799223f 100644
--- a/modules/console.cc
+++ b/modules/console.cc
@@ -1229,6 +1229,12 @@ console_cmd__vg(opt &out, const string_view &line)
 bool
 console_cmd__prof__psi(opt &out, const string_view &line)
 {
+	if(!prof::psi::supported)
+		throw error
+		{
+			"Pressure Still Information is not supported."
+		};
+
 	const auto show_file{[&out]
 	(const string_view &name, prof::psi::file &file)
 	{