From d9009e558ab4d45eefae9d11d24951a61c3bb54b Mon Sep 17 00:00:00 2001
From: Walter Lee <waltl@google.com>
Date: Wed, 2 Aug 2017 14:36:52 +0000
Subject: [PATCH] Define _GNU_SOURCE for RTEMS c++
Summary: This is required by the libc++ locale support.
Reviewers: jyknight
Subscribers: fedor.sergeev
Differential Revision: https://reviews.llvm.org/D36121
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309815 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Basic/Targets/OSTargets.h | 2 ++
test/Preprocessor/init.c | 1 +
2 files changed, 3 insertions(+)
diff --git a/lib/Basic/Targets/OSTargets.h b/lib/Basic/Targets/OSTargets.h
index 519a35b06f9..ca84a875de1 100644
--- a/lib/Basic/Targets/OSTargets.h
+++ b/lib/Basic/Targets/OSTargets.h
@@ -505,6 +505,8 @@ protected:
Builder.defineMacro("__rtems__");
Builder.defineMacro("__ELF__");
+ if (Opts.CPlusPlus)
+ Builder.defineMacro("_GNU_SOURCE");
}
public:
diff --git a/test/Preprocessor/init.c b/test/Preprocessor/init.c
index 7b742b32342..11f05e6241e 100644
--- a/test/Preprocessor/init.c
+++ b/test/Preprocessor/init.c
@@ -8955,6 +8955,7 @@
// KFREEBSDI686-DEFINE:#define __GLIBC__ 1
//
// RUN: %clang_cc1 -x c++ -triple i686-pc-linux-gnu -fobjc-runtime=gcc -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix GNUSOURCE %s
+// RUN: %clang_cc1 -x c++ -triple sparc-rtems-elf -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix GNUSOURCE %s
// GNUSOURCE:#define _GNU_SOURCE 1
//
// RUN: %clang_cc1 -x c++ -std=c++98 -fno-rtti -E -dM < /dev/null | FileCheck -match-full-lines -check-prefix NORTTI %s
--
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