Only predefine the macro _GNU_SOURCE in C++ mode when we're on a
platform that typically uses glibc. Fixes a Boost.Thread compilation
failure.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101450 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/init.c b/test/Preprocessor/init.c
index cccee76..4ef460b 100644
--- a/test/Preprocessor/init.c
+++ b/test/Preprocessor/init.c
@@ -11,7 +11,6 @@
//
// RUN: %clang_cc1 -x c++ -std=c++0x -E -dM < /dev/null | FileCheck -check-prefix CXX0X %s
//
-// CXX0X:#define _GNU_SOURCE 1
// CXX0X:#define __DEPRECATED 1
// CXX0X:#define __GNUG__
// CXX0X:#define __GXX_EXPERIMENTAL_CXX0X__ 1
@@ -22,7 +21,6 @@
//
// RUN: %clang_cc1 -x c++ -std=c++98 -E -dM < /dev/null | FileCheck -check-prefix CXX98 %s
//
-// CXX98:#define _GNU_SOURCE 1
// CXX98:#define __DEPRECATED 1
// CXX98:#define __GNUG__
// CXX98:#define __GXX_WEAK__ 1
@@ -58,7 +56,6 @@
//
// RUN: %clang_cc1 -x c++ -std=gnu++98 -E -dM < /dev/null | FileCheck -check-prefix GXX98 %s
//
-// GXX98:#define _GNU_SOURCE 1
// GXX98:#define __DEPRECATED 1
// GXX98:#define __GNUG__
// GXX98:#define __GXX_WEAK__ 1
@@ -1028,3 +1025,6 @@
// X86_64:#define __x86_64 1
// X86_64:#define __x86_64__ 1
//
+// RUN: %clang_cc1 -x c++ -triple i686-pc-linux-gnu -E -dM < /dev/null | FileCheck -check-prefix GNUSOURCE %s
+// GNUSOURCE:#define _GNU_SOURCE 1
+//