[Buildroot] [RFC PATCH 5/8] llvm: add config to build backend for host arch
Joseph Kogut
joseph.kogut at gmail.com
Fri Jun 8 22:59:29 UTC 2018
Signed-off-by: Joseph Kogut <joseph.kogut at gmail.com>
---
package/llvm/Config.in | 9 +++++++++
package/llvm/llvm.mk | 5 +++++
2 files changed, 14 insertions(+)
diff --git a/package/llvm/Config.in b/package/llvm/Config.in
index 83e94660eb..5262cab49d 100644
--- a/package/llvm/Config.in
+++ b/package/llvm/Config.in
@@ -11,6 +11,15 @@ config BR2_PACKAGE_LLVM_TARGET_ARCH
default "ARM" if BR2_arm || BR2_armeb
default "X86" if BR2_i386 || BR2_x86_64
+config BR2_PACKAGE_LLVM_HOST_TARGET_ARCH
+ string
+ default "AArch64" if BR2_HOSTARCH="aarch64"
+ default "X86" if BR2_HOSTARCH = "x86" || BR2_HOSTARCH = "x86_64"
+ default "ARM" if BR2_HOSTARCH = "arm"
+
+config BR2_PACKAGE_HOST_LLVM_ENABLE_HOST_ARCH
+ bool
+
config BR2_PACKAGE_LLVM
bool "llvm"
depends on BR2_PACKAGE_LLVM_ARCH_SUPPORTS
diff --git a/package/llvm/llvm.mk b/package/llvm/llvm.mk
index 3abf428989..06f95c96f8 100644
--- a/package/llvm/llvm.mk
+++ b/package/llvm/llvm.mk
@@ -59,6 +59,11 @@ ifeq ($(BR2_PACKAGE_LLVM_AMDGPU),y)
LLVM_TARGETS_TO_BUILD += AMDGPU
endif
+# Build backend for host architecture
+ifeq ($(BR2_PACKAGE_HOST_LLVM_ENABLE_HOST_ARCH),y)
+LLVM_TARGETS_TO_BUILD += $(LLVM_HOST_TARGET_ARCH)
+endif
+
# Use native llvm-tblgen from host-llvm (needed for cross-compilation)
LLVM_CONF_OPTS += -DLLVM_TABLEGEN=$(HOST_DIR)/bin/llvm-tblgen
--
2.17.1
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