# --- T2-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by scripts/Create-CopyPatch.
# 
# T2 SDE: package/*/llvm/llvm.conf
# Copyright (C) 2009 - 2021 The T2 SDE Project
# 
# More information can be found in the files COPYING and README.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
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hook_add preconf 5 "mkdir -p objdir; cd objdir"
cmakelists="../CMakeLists.txt"
#atstage cross && export DESTDIR="$root"
var_append cmakeopt " " "-DCMAKE_INSTALL_PREFIX=$root/$prefix -DCMAKE_BUILD_TYPE:STRING=Release"

# AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430 NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore
# keep in sync w/ rustc! ;-)
targets="AMDGPU;BPF;WebAssembly;host" # host for cross compilation
target="$arch_target"
case $arch in
	arm) var_insert targets ';' 'ARM' ;;
	arm64) var_insert targets ';' 'AArch64' ;;
	mips*) var_insert targets ';' 'Mips' ;;
	sparc*) var_insert targets ';' 'Sparc' ;;
	powerpc*) var_insert targets ';' 'PowerPC' ;;
	riscv*) var_insert targets ';' 'RISCV' ;;
	x86*) var_insert targets ';' 'X86' ;;
	*) var_insert targets ';' 'X86'; target=x86-t2-linux-gnu ;;
esac

var_append cmakeopt " " "-DLLVM_TARGETS_TO_BUILD='$targets'"
var_append cmakeopt " " "-DLLVM_DEFAULT_TARGET_TRIPLE=$target"

if atstage toolchain; then
	var_append cmakeopt " " "-DLLVM_HOST_TRIPLE=$arch_build"
elif atstage cross; then
	var_append cmakeopt " " "-DLLVM_TABLEGEN=$root/TOOLCHAIN/$toolsdir/bin/llvm-tblgen"
fi

[ "${libdir##*/lib}" ] && var_append cmakeopt " " "-DLLVM_LIBDIR_SUFFIX=${libdir##*/lib}"
# builds libraries as static and links all of them into an unique shared one
var_append cmakeopt " " "-DLLVM_BUILD_LLVM_DYLIB=ON -DLLVM_LINK_LLVM_DYLIB=ON"

var_append cmakeopt " " "-DLLVM_ENABLE_RTTI=ON" # for Mesa?
var_append cmakeopt " " "-DLLVM_INCLUDE_BENCHMARKS=OFF" # -DLLVM_BUILD_UTILS=OFF"
var_append cmakeopt " " "-DLLVM_ENABLE_BINDINGS=OFF"
var_append cmakeopt " " ".."

[ $arch = sparc ] && var_append GCC_WRAPPER_APPEND ' ' '-c?:-latomic'
[ $arch = powerpc64 ] && var_append GCC_WRAPPER_APPEND ' ' -mminimal-toc