From 1f4b7a04687e94651a9609c2b18186afa2f79e5e Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 1 Jun 2019 22:03:53 -0700
Subject: [PATCH] ircd::info: Add GNUC version information.

---
 include/ircd/info.h |  3 +++
 ircd/info.cc        | 25 +++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/include/ircd/info.h b/include/ircd/info.h
index 40ea80cca..0e946aeb6 100644
--- a/include/ircd/info.h
+++ b/include/ircd/info.h
@@ -57,10 +57,13 @@ namespace ircd::info
 	extern const ::utsname utsname;
 	#endif
 
+	// Kernel information
 	extern const string_view kernel_name;
 	extern const string_view kernel_release;
 	extern const versions kernel_version;
 
+	// Toolchain and library information
+	extern const versions gnuc_version_api;
 	extern const versions glibc_version_api;
 	extern const versions glibc_version_abi;
 
diff --git a/ircd/info.cc b/ircd/info.cc
index 5362e8621..ec880f647 100644
--- a/ircd/info.cc
+++ b/ircd/info.cc
@@ -295,6 +295,31 @@ ircd::info::kernel_version
 	utsname.release
 };
 
+//
+// gnuc
+//
+#if defined(__GNUC__) && defined(__GLIBC__)
+
+decltype(ircd::info::gnuc_version_api)
+ircd::info::gnuc_version_api
+{
+	"gnuc", versions::API, 0,
+	{
+		__GNUC__,
+		__GNUC_MINOR__,
+		__GNUC_PATCHLEVEL__,
+	},
+
+	// version string
+	#if defined(__VERSION__)
+	__VERSION__
+	#else
+	"<__VERSION__ undefined>"
+	#endif
+};
+
+#endif defined(__GNUC__) && defined(__GLIBC__)
+
 //
 // glibc
 //