Files
packages/lang/rust/rust-values.mk
Jeffery To b4ec017398 rust: Add option to use sccache
Using sccache makes recompilation of rustc and Rust packages faster.

This also makes the rust package visible in menuconfig, in order for the
sccache options to be accessible.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
2023-10-11 15:50:24 +08:00

91 lines
2.5 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2023 Luca Barbato and Donald Hoskins
# Rust Environmental Vars
RUSTC_HOST_SUFFIX:=$(word 4, $(subst -, ,$(GNU_HOST_NAME)))
RUSTC_HOST_ARCH:=$(HOST_ARCH)-unknown-linux-$(RUSTC_HOST_SUFFIX)
CARGO_HOME:=$(DL_DIR)/cargo
ifeq ($(CONFIG_USE_MUSL),y)
# Force linking of the SSP library for musl
ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
ifeq ($(strip $(PKG_SSP)),1)
RUSTC_LDFLAGS+=-lssp_nonshared
endif
endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
ifeq ($(strip $(PKG_SSP)),1)
RUSTC_LDFLAGS+=-lssp_nonshared
endif
endif
endif
CARGO_RUSTFLAGS+=-Ctarget-feature=-crt-static $(RUSTC_LDFLAGS)
ifeq ($(HOST_OS),Darwin)
ifeq ($(HOST_ARCH),arm64)
RUSTC_HOST_ARCH:=aarch64-apple-darwin
endif
endif
# mips64 openwrt has a specific targed in rustc
ifeq ($(ARCH),mips64)
RUSTC_TARGET_ARCH:=$(REAL_GNU_TARGET_NAME)
else
RUSTC_TARGET_ARCH:=$(subst openwrt,unknown,$(REAL_GNU_TARGET_NAME))
endif
RUSTC_TARGET_ARCH:=$(subst muslgnueabi,musleabi,$(RUSTC_TARGET_ARCH))
ifeq ($(ARCH),i386)
RUSTC_TARGET_ARCH:=$(subst i486,i586,$(RUSTC_TARGET_ARCH))
else ifeq ($(ARCH),riscv64)
RUSTC_TARGET_ARCH:=$(subst riscv64,riscv64gc,$(RUSTC_TARGET_ARCH))
endif
# ARM Logic
ifeq ($(ARCH),arm)
ifeq ($(CONFIG_arm_v7),y)
RUSTC_TARGET_ARCH:=$(subst arm,armv7,$(RUSTC_TARGET_ARCH))
endif
ifeq ($(CONFIG_HAS_FPU),y)
RUSTC_TARGET_ARCH:=$(subst musleabi,musleabihf,$(RUSTC_TARGET_ARCH))
endif
endif
ifeq ($(ARCH),aarch64)
RUSTC_CFLAGS:=-mno-outline-atomics
endif
# Support only a subset for now.
RUST_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mipsel||mips64||mips64el||mipsel||powerpc64||riscv64||x86_64)
ifneq ($(CONFIG_RUST_SCCACHE),)
RUST_SCCACHE_DIR:=$(if $(call qstrip,$(CONFIG_RUST_SCCACHE_DIR)),$(call qstrip,$(CONFIG_RUST_SCCACHE_DIR)),$(TOPDIR)/.sccache)
RUST_SCCACHE_VARS:= \
CARGO_INCREMENTAL=0 \
RUSTC_WRAPPER=sccache \
SCCACHE_DIR=$(RUST_SCCACHE_DIR)
endif
CARGO_HOST_CONFIG_VARS= \
$(RUST_SCCACHE_VARS) \
CARGO_HOME=$(CARGO_HOME)
CARGO_HOST_PROFILE:=release
CARGO_PKG_CONFIG_VARS= \
$(RUST_SCCACHE_VARS) \
CARGO_BUILD_TARGET=$(RUSTC_TARGET_ARCH) \
CARGO_HOME=$(CARGO_HOME) \
CARGO_PROFILE_RELEASE_OPT_LEVEL=s \
CARGO_TARGET_$(subst -,_,$(call toupper,$(RUSTC_TARGET_ARCH)))_LINKER=$(TARGET_CC_NOCACHE) \
RUSTFLAGS="$(CARGO_RUSTFLAGS)" \
TARGET_CC=$(TARGET_CC_NOCACHE) \
TARGET_CFLAGS="$(TARGET_CFLAGS) $(RUSTC_CFLAGS)"
CARGO_PKG_PROFILE:=$(if $(CONFIG_DEBUG),dev,release)