Add USE_CLANG_LLD and use_clang_lld.
* USE_CLANG_LLD is unedefined in current builds.
* When USE_CLANG_LLD is defined to 'true' or '1',
use clang's lld instead of ld or ld.gold.
* When lld is enabled:
* ld-only flags are not passed to 'lld'.
* location_packer is disabled.
* Use new lld's --pack-dyn-relocs=android.
* When lld does not work:
* In Android.mk files use LOCAL_USE_CLANG_LLD := false.
* In Android.bp files use use_clang_lld: false.
* Only arm, arm64, x86, and x86_64_devices have LLD flags;
all other hosts and targets do not call lld yet.
Bug: 73768157
Test: make checkbuild and boot
Change-Id: I06b8a1e868a600997a7e70fe05c299d751d23d5f
diff --git a/cc/config/x86_linux_host.go b/cc/config/x86_linux_host.go
index 4f05068..6144fc2 100644
--- a/cc/config/x86_linux_host.go
+++ b/cc/config/x86_linux_host.go
@@ -241,10 +241,20 @@
return "${config.LinuxClangLdflags} ${config.LinuxX86ClangLdflags}"
}
+func (t *toolchainLinuxX86) ClangLldflags() string {
+ // TODO: define and use Linux*ClangLldflags
+ return "${config.LinuxClangLdflags} ${config.LinuxX86ClangLdflags}"
+}
+
func (t *toolchainLinuxX8664) ClangLdflags() string {
return "${config.LinuxClangLdflags} ${config.LinuxX8664ClangLdflags}"
}
+func (t *toolchainLinuxX8664) ClangLldflags() string {
+ // TODO: define and use Linux*ClangLldflags
+ return "${config.LinuxClangLdflags} ${config.LinuxX8664ClangLdflags}"
+}
+
func (t *toolchainLinuxX86) YasmFlags() string {
return "${config.LinuxX86YasmFlags}"
}