lang/rust/rust-host.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 CONFIG_HOST_SUFFIX:=$(word 4, $(subst -, ,$(GNU_HOST_NAME)))
   7 RUSTC_HOST_ARCH:=$(HOST_ARCH)-unknown-linux-$(CONFIG_HOST_SUFFIX)
   8 CARGO_HOME:=$(STAGING_DIR_HOST)/cargo
   9
  10 # Support only a subset for now.
  11 RUST_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mipsel||mips64||mips64el||mipsel||powerpc64||x86_64)
  12
  13 # Common Build Flags
  14 RUST_BUILD_FLAGS = \
  15   CARGO_HOME="$(CARGO_HOME)"
  16
  17 # This adds the rust environmental variables to Make calls
  18 MAKE_FLAGS += $(RUST_BUILD_FLAGS)
  19
  20 # Force linking of the SSP library
  21 ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
  22   ifeq ($(strip $(PKG_SSP)),1)
  23     RUSTC_LDFLAGS += -lssp_nonshared
  24   endif
  25 endif
  26 ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
  27   ifeq ($(strip $(PKG_SSP)),1)
  28     TARGET_CFLAGS += -lssp_nonshared
  29   endif
  30 endif
  31
  32 # mips64 openwrt has a specific targed in rustc
  33 ifeq ($(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 endif
  44
  45 # ARM Logic
  46 ifeq ($(ARCH),arm)
  47   ifeq ($(CONFIG_arm_v7),y)
  48     RUSTC_TARGET_ARCH:=$(subst arm,armv7,$(RUSTC_TARGET_ARCH))
  49   endif
  50
  51   ifeq ($(CONFIG_HAS_FPU),y)
  52     RUSTC_TARGET_ARCH:=$(subst musleabi,musleabihf,$(RUSTC_TARGET_ARCH))
  53   endif
  54 endif
  55
  56 ifeq ($(ARCH),aarch64)
  57     RUST_CFLAGS:=-mno-outline-atomics
  58 endif