Define CLANG_TIDY_UNKNOWN_CFLAGS for build/make.
Bug: 110538415
Test: build with WITH_TIDY=1
Change-Id: I6c5b5a0cb3ad3c2756bbae5e7c0234a0dafe5991
diff --git a/cc/config/tidy.go b/cc/config/tidy.go
index a20d556..5d53a8c 100644
--- a/cc/config/tidy.go
+++ b/cc/config/tidy.go
@@ -19,6 +19,13 @@
"strings"
)
+// clang-tidy doesn't recognize every flag that clang does. This is unlikely to
+// be a complete list, but we can populate this with the ones we know to avoid
+// issues with clang-diagnostic-unused-command-line-argument.
+var ClangTidyUnknownCflags = sorted([]string{
+ "-Wa,%",
+})
+
func init() {
// Most Android source files are not clang-tidy clean yet.
// Global tidy checks include only google*, performance*,
diff --git a/cc/makevars.go b/cc/makevars.go
index 5a912e1..88d4639 100644
--- a/cc/makevars.go
+++ b/cc/makevars.go
@@ -75,6 +75,7 @@
ctx.Strict("LLVM_OBJCOPY", "${config.ClangBin}/llvm-objcopy")
ctx.Strict("LLVM_STRIP", "${config.ClangBin}/llvm-strip")
ctx.Strict("PATH_TO_CLANG_TIDY", "${config.ClangBin}/clang-tidy")
+ ctx.Strict("CLANG_TIDY_UNKNOWN_CFLAGS", strings.Join(config.ClangTidyUnknownCflags, " "))
ctx.StrictSorted("CLANG_CONFIG_UNKNOWN_CFLAGS", strings.Join(config.ClangUnknownCflags, " "))
ctx.Strict("RS_LLVM_PREBUILTS_VERSION", "${config.RSClangVersion}")