From b02f7dbaa4c25fb4c3b5cedb027a69481e7e6bc5 Mon Sep 17 00:00:00 2001
From: Oliver Nguyen <olivernguyen@google.com>
Date: Wed, 11 Dec 2019 14:55:52 -0800
Subject: [PATCH] Export llvm-profdata for Clang coverage builds.

This tool must match the one used to compile the source code for
compatibility.

Bug: 143977934
Test: m CLANG_COVERAGE=true dist
Change-Id: I71e0e7afb05dedd5f6a09d5e4099387c6262387f
---
 core/Makefile | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/core/Makefile b/core/Makefile
index 82fe3418d..384b238b2 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -4806,6 +4806,19 @@ $(COVERAGE_ZIP): $(SOONG_ZIP)
 	$(hide) find $(TARGET_OUT_COVERAGE) | sort >$(PRIVATE_LIST_FILE)
 	$(hide) $(SOONG_ZIP) -d -o $@ -C $(TARGET_OUT_COVERAGE) -l $(PRIVATE_LIST_FILE)
 
+#------------------------------------------------------------------
+# Export the LLVM profile data tool and dependencies for Clang coverage processing
+#
+ifeq (true,$(CLANG_COVERAGE))
+  LLVM_PROFDATA := $(LLVM_PREBUILTS_BASE)/linux-x86/$(LLVM_PREBUILTS_VERSION)/bin/llvm-profdata
+  LIBCXX := $(LLVM_PREBUILTS_BASE)/linux-x86/$(LLVM_PREBUILTS_VERSION)/lib64/libc++.so.1
+  PROFDATA_ZIP := $(PRODUCT_OUT)/llvm-profdata.zip
+  $(PROFDATA_ZIP): $(SOONG_ZIP)
+	$(hide) $(SOONG_ZIP) -d -o $@ -C $(LLVM_PREBUILTS_BASE)/linux-x86/$(LLVM_PREBUILTS_VERSION) -f $(LLVM_PROFDATA) -f $(LIBCXX)
+
+  $(call dist-for-goals,droidcore,$(PROFDATA_ZIP))
+endif
+
 # -----------------------------------------------------------------
 # A zip of the Android Apps. Not keeping full path so that we don't
 # include product names when distributing