[PATCH 01/12] perf clang: Fix build with Clang 9

Arnaldo Carvalho de Melo
2020-01-16T13:48:30Z

From: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>

LLVM D59377 (included in Clang 9) refactored Clang VFS construction a
bit, which broke perf clang build. Let's fix it.

Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Reviewed-by: Dennis Schridde <devurandom@gmx.net>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: clang-built-linux@googlegroups.com
Cc: Denis Pronin <dannftk@yandex.ru>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191228171314.946469-2-mail@maciej.szmigiero.name
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/c++/clang.cpp | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp
index fc361c3f8570..c8885dfa3667 100644
--- a/tools/perf/util/c++/clang.cpp
+++ b/tools/perf/util/c++/clang.cpp
@@ -71,7 +71,11 @@ getModuleFromSource(llvm::opt::ArgStringList CFlags,
CompilerInstance Clang;
Clang.createDiagnostics();

+#if CLANG_VERSION_MAJOR < 9
Clang.setVirtualFileSystem(&*VFS);
+#else
+ Clang.createFileManager(&*VFS);
+#endif

#if CLANG_VERSION_MAJOR < 4
IntrusiveRefCntPtr<CompilerInvocation> CI =
--
2.21.1