Fix the same tests for libc++abi

Author: ldionne

libcxxabi/test/vendor/llvm/system-install-properties.sh.cpp renamed to libcxxabi/test/vendor/llvm/system-install-properties-darwin.sh.cpp

@@ -6,10 +6,11 @@
 //
 //===----------------------------------------------------------------------===//
 
+// REQUIRES: darwin
 // REQUIRES: stdlib=libc++ && !stdlib=apple-libc++
 
 // This file checks various properties of the installation of libc++abi when built under
-// a vanilla upstream configuration.
+// a vanilla upstream configuration on Darwin platforms.
 
 // Make sure we install the libc++abi headers in the right location.
 //

libcxxabi/test/vendor/llvm/system-install-properties-linux.sh.cpp

@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// REQUIRES: linux
+// REQUIRES: stdlib=libc++ && !stdlib=apple-libc++
+
+// This file checks various properties of the installation of libc++abi when built under
+// a vanilla upstream configuration on Linux platforms.
+
+// Make sure we install the libc++abi headers in the right location.
+//
+// RUN: stat "%{include}/cxxabi.h"
+
+// Make sure we install libc++abi.so.1.0 in the right location.
+//
+// RUN: stat "%{lib}/libc++abi.so.1.0"
+
+// Make sure we install a symlink from libc++abi.so.1 to libc++abi.so.1.0.
+//
+// RUN: stat "%{lib}/libc++abi.so.1"
+// RUN: readlink "%{lib}/libc++abi.so.1" | grep "libc++abi.so.1.0"
+
+// Make sure we install a symlink from libc++abi.so to libc++abi.so.1.
+//
+// RUN: stat "%{lib}/libc++abi.so"
+// RUN: readlink "%{lib}/libc++abi.so" | grep "libc++abi.so.1"