commit 32427d6903b2a32508eb7cc76c8e83ccea126be6
author Chih-Hung Hsieh <chh@google.com> Thu Apr 12 10:55:54 2018 -0700
committer Chih-Hung Hsieh <chh@google.com> Thu Apr 12 11:00:06 2018 -0700
tree 0c0b597efe66a7cedb605b7a40c2d6cb8519c6c2
parent f2fc1418d3338cde1dc5ccbcebd3061fca098d32

Add USE_CLANG_LLD and LOCAL_USE_CLANG_LLD

* Current default is not using lld.
* When USE_CLANG_LLD or LOCAL_USE_CLANG_LLD is true or 1,
  * Use *GLOBAL_LLDFLAGS instead of *GLOBAL_LDFLAGS.
    GLOBAL_LLDFLAGS should call lld and with correct lld flags.
  * set my_pack_module_relocations to false.

Bug: 73768157
Test: make checkbuild
Change-Id: I3e63cf8ae0865d01d2bc1f36e9304f4a5d092cb8

core/soong_config.mk

diff --git a/core/soong_config.mk b/core/soong_config.mk
index ab493d9..296d549 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -99,6 +99,7 @@
 $(call add_json_list, CFIIncludePaths,                   $(CFI_INCLUDE_PATHS) $(PRODUCT_CFI_INCLUDE_PATHS))
 $(call add_json_list, IntegerOverflowExcludePaths,       $(INTEGER_OVERFLOW_EXCLUDE_PATHS) $(PRODUCT_INTEGER_OVERFLOW_EXCLUDE_PATHS))
 
+$(call add_json_bool, UseClangLld,                       $(filter 1 true,$(USE_CLANG_LLD)))
 $(call add_json_bool, ClangTidy,                         $(filter 1 true,$(WITH_TIDY)))
 $(call add_json_str,  TidyChecks,                        $(WITH_TIDY_CHECKS))