lang/rust/rust-values.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2023 Luca Barbato and Donald Hoskins
   4
   5 # Rust Environmental Vars
   6 RUSTC_HOST_SUFFIX:=$(word 4, $(subst -, ,$(GNU_HOST_NAME)))
   7 RUSTC_HOST_ARCH:=$(HOST_ARCH)-unknown-linux-$(RUSTC_HOST_SUFFIX)
   8 CARGO_HOME:=$(DL_DIR)/cargo
   9
  10 ifeq ($(CONFIG_USE_MUSL),y)
  11   # Force linking of the SSP library for musl
  12   ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
  13     ifeq ($(strip $(PKG_SSP)),1)
  14       RUSTC_LDFLAGS+=-lssp_nonshared
  15     endif
  16   endif
  17   ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
  18     ifeq ($(strip $(PKG_SSP)),1)
  19       RUSTC_LDFLAGS+=-lssp_nonshared
  20     endif
  21   endif
  22 endif
  23
  24 CARGO_RUSTFLAGS+=-Ctarget-feature=-crt-static $(RUSTC_LDFLAGS)
  25
  26 ifeq ($(HOST_OS),Darwin)
  27   ifeq ($(HOST_ARCH),arm64)
  28     RUSTC_HOST_ARCH:=aarch64-apple-darwin
  29   endif
  30 endif
  31
  32 # mips64 openwrt has a specific targed in rustc
  33 ifeq ($(ARCH),mips64)
  34   RUSTC_TARGET_ARCH:=$(REAL_GNU_TARGET_NAME)
  35 else
  36   RUSTC_TARGET_ARCH:=$(subst openwrt,unknown,$(REAL_GNU_TARGET_NAME))
  37 endif
  38
  39 RUSTC_TARGET_ARCH:=$(subst muslgnueabi,musleabi,$(RUSTC_TARGET_ARCH))
  40
  41 ifeq ($(ARCH),i386)
  42   RUSTC_TARGET_ARCH:=$(subst i486,i586,$(RUSTC_TARGET_ARCH))
  43 else ifeq ($(ARCH),riscv64)
  44   RUSTC_TARGET_ARCH:=$(subst riscv64,riscv64gc,$(RUSTC_TARGET_ARCH))
  45 endif
  46
  47 # ARM Logic
  48 ifeq ($(ARCH),arm)
  49   ifeq ($(CONFIG_arm_v7),y)
  50     RUSTC_TARGET_ARCH:=$(subst arm,armv7,$(RUSTC_TARGET_ARCH))
  51   endif
  52
  53   ifeq ($(CONFIG_HAS_FPU),y)
  54     RUSTC_TARGET_ARCH:=$(subst musleabi,musleabihf,$(RUSTC_TARGET_ARCH))
  55     RUSTC_TARGET_ARCH:=$(subst gnueabi,gnueabihf,$(RUSTC_TARGET_ARCH))
  56   endif
  57 endif
  58
  59 ifeq ($(ARCH),aarch64)
  60     RUSTC_CFLAGS:=-mno-outline-atomics
  61 endif
  62
  63 # Support only a subset for now.
  64 RUST_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mipsel||mips64||mips64el||mipsel||powerpc64||riscv64||x86_64)
  65
  66 ifneq ($(CONFIG_RUST_SCCACHE),)
  67   RUST_SCCACHE_DIR:=$(if $(call qstrip,$(CONFIG_RUST_SCCACHE_DIR)),$(call qstrip,$(CONFIG_RUST_SCCACHE_DIR)),$(TOPDIR)/.sccache)
  68
  69   RUST_SCCACHE_VARS:= \
  70         CARGO_INCREMENTAL=0 \
  71         RUSTC_WRAPPER=sccache \
  72         SCCACHE_DIR=$(RUST_SCCACHE_DIR)
  73 endif
  74
  75 CARGO_HOST_CONFIG_VARS= \
  76         $(RUST_SCCACHE_VARS) \
  77         CARGO_HOME=$(CARGO_HOME)
  78
  79 CARGO_HOST_PROFILE:=release
  80
  81 CARGO_PKG_CONFIG_VARS= \
  82         $(RUST_SCCACHE_VARS) \
  83         CARGO_BUILD_TARGET=$(RUSTC_TARGET_ARCH) \
  84         CARGO_HOME=$(CARGO_HOME) \
  85         CARGO_PROFILE_RELEASE_CODEGEN_UNITS=1 \
  86         CARGO_PROFILE_RELEASE_DEBUG=false \
  87         CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS=false \
  88         CARGO_PROFILE_RELEASE_LTO=true \
  89         CARGO_PROFILE_RELEASE_OPT_LEVEL=z \
  90         CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS=true \
  91         CARGO_PROFILE_RELEASE_PANIC=unwind \
  92         CARGO_PROFILE_RELEASE_RPATH=false \
  93         CARGO_TARGET_$(subst -,_,$(call toupper,$(RUSTC_TARGET_ARCH)))_LINKER=$(TARGET_CC_NOCACHE) \
  94         RUSTFLAGS="$(CARGO_RUSTFLAGS)" \
  95         TARGET_CC=$(TARGET_CC_NOCACHE) \
  96         TARGET_CFLAGS="$(TARGET_CFLAGS) $(RUSTC_CFLAGS)"
  97
  98 CARGO_PKG_PROFILE:=$(if $(CONFIG_DEBUG),dev,release)