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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

llvm-svn: 309815
This commit is contained in:
Walter Lee 2017-08-02 14:36:52 +00:00
parent 65e9dd66f7
commit 4e93a6986e
2 changed files with 3 additions and 0 deletions
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2
clang/lib/Basic/Targets/OSTargets.h
View File

@ -505,6 +505,8 @@ protected:
Builder.defineMacro("__rtems__");
Builder.defineMacro("__ELF__");
if (Opts.CPlusPlus)
Builder.defineMacro("_GNU_SOURCE");
}
public:

1
clang/test/Preprocessor/init.c
View File

@ -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