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#
# Copyright (C) 2006-2016 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=llvm-project
PKG_VERSION:=13.0.0
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).src.tar.xz
PKG_SOURCE_URL:=https://github.com/llvm/llvm-project/releases/download/llvmorg-$(PKG_VERSION)
PKG_HASH:=6075ad30f1ac0e15f07c1bf062c1e1268c241d674f11bd32cdf0e040c71f2bf3
HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION).src
HOST_BUILD_PARALLEL:=1
CMAKE_BINARY_SUBDIR := build
CMAKE_SOURCE_SUBDIR := llvm
include $(INCLUDE_DIR)/host-build.mk
include $(INCLUDE_DIR)/cmake.mk
LLVM_BPF_PREFIX = llvm-bpf-$(PKG_VERSION).$(HOST_OS)-$(HOST_ARCH)
CMAKE_HOST_INSTALL_PREFIX = $(STAGING_DIR_HOST)/$(LLVM_BPF_PREFIX)
CMAKE_HOST_OPTIONS += \
-DLLVM_ENABLE_BINDINGS=OFF \
-DLLVM_INCLUDE_DOCS=OFF \
-DLLVM_INCLUDE_EXAMPLES=OFF \
-DLLVM_INCLUDE_TESTS=OFF \
-DLLVM_ENABLE_PROJECTS="clang;lld" \
-DLLVM_TARGETS_TO_BUILD=BPF \
-DCLANG_BUILD_EXAMPLES=OFF \
-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON \
-DLLVM_LINK_LLVM_DYLIB=ON \
-DLLVM_TOOLCHAIN_TOOLS="llvm-objcopy;llvm-objdump;llvm-readelf;llvm-strip;llvm-ar;llvm-as;llvm-dis;llvm-link;llvm-nm;llvm-ranlib;llc;opt" \
-DCMAKE_SKIP_RPATH=OFF
ifneq ($(CONFIG_SDK_LLVM_BPF),)
define Host/Install/Bin
echo "$(PKG_VERSION)" > $(CMAKE_HOST_INSTALL_PREFIX)/.llvm-version
STRIP_KMOD= PATCHELF= STRIP=strip $(SCRIPT_DIR)/rstrip.sh $(STAGING_DIR_HOST)/llvm-bpf
tar -C $(STAGING_DIR_HOST) \
-I '$(STAGING_DIR_HOST)/bin/xz -7e -T$(if $(filter 1,$(NPROC)),2,0)' \
-cf $(BIN_DIR)/llvm-bpf-$(PKG_VERSION).tar.xz llvm-bpf $(LLVM_BPF_PREFIX)
endef
endif
define Host/Install
rm -rf $(STAGING_DIR_HOST)/llvm-bpf*
$(Host/Install/Default)
ln -s $(LLVM_BPF_PREFIX) $(STAGING_DIR_HOST)/llvm-bpf
$(Host/Install/Bin)
endef
define Host/Uninstall
rm -rf $(STAGING_DIR_HOST)/llvm-bpf*
endef
$(eval $(call HostBuild))
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