Add Rust language

rust/rust-values.mk

@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2023 Luca Barbato and Donald Hoskins
+
+# Rust Environmental Vars
+CONFIG_HOST_SUFFIX:=$(word 4, $(subst -, ,$(GNU_HOST_NAME)))
+RUSTC_HOST_ARCH:=$(HOST_ARCH)-unknown-linux-$(CONFIG_HOST_SUFFIX)
+CARGO_HOME:=$(STAGING_DIR)/host/cargo
+CARGO_VARS:=
+
+ifeq ($(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 $(PKG_SSP)),1)
+    TARGET_CFLAGS += -lssp_nonshared
+  endif
+endif
+endif
+
+ifeq ($(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)
+    RUST_CFLAGS:=-mno-outline-atomics
+endif