Add missing files for Rust

rust/rust-host-build.mk

@@ -2,36 +2,42 @@
 #
 # Copyright (C) 2023 Luca Barbato and Donald Hoskins
 
+# Variables (all optional) to be set in package Makefiles:
+#
+# RUST_HOST_FEATURES - list of options, default empty
+#
+#   Space or comma separated list of features to activate
+#
+#   e.g. RUST_HOST_FEATURES:=enable-foo,with-bar
+
 ifeq ($(origin RUST_INCLUDE_DIR),undefined)
   RUST_INCLUDE_DIR:=$(dir $(lastword $(MAKEFILE_LIST)))
 endif
 include $(RUST_INCLUDE_DIR)/rust-values.mk
 
+CARGO_HOST_VARS= \
+	$(CARGO_HOST_CONFIG_VARS) \
+	CC=$(HOSTCC_NOCACHE) \
+	MAKEFLAGS="$(HOST_JOBS)"
+
 # $(1) path to the package (optional)
 # $(2) additional arguments to cargo (optional)
 define Host/Compile/Cargo
-	( \
-		cd $(HOST_BUILD_DIR) ; \
-		export PATH="$(CARGO_HOME)/bin:$(PATH)" ; \
-		CARGO_HOME=$(CARGO_HOME) \
-		CC=$(HOSTCC_NOCACHE) \
-		cargo install -v \
-			--profile stripped \
-			$(if $(RUST_PKG_FEATURES),--features "$(RUST_PKG_FEATURES)") \
-			--root $(HOST_INSTALL_DIR) \
-			--path "$(if $(strip $(1)),$(strip $(1)),.)" $(2) ; \
-	)
+	+$(CARGO_HOST_VARS) \
+	cargo install -v \
+		--profile $(CARGO_HOST_PROFILE) \
+		$(if $(RUST_HOST_FEATURES),--features "$(RUST_HOST_FEATURES)") \
+		--root $(HOST_INSTALL_DIR) \
+		--path "$(HOST_BUILD_DIR)/$(if $(strip $(1)),$(strip $(1)))" \
+		$(if $(filter --jobserver%,$(HOST_JOBS)),,-j1) \
+		$(2)
 endef
 
 define Host/Uninstall/Cargo
-	( \
-		cd $(HOST_BUILD_DIR) ; \
-		export PATH="$(CARGO_HOME)/bin:$(PATH)" ; \
-		CARGO_HOME=$(CARGO_HOME) \
-		CC=$(HOSTCC_NOCACHE) \
-		cargo uninstall -v \
-			--root $(HOST_INSTALL_DIR) || true ; \
-	)
+	+$(CARGO_HOST_VARS) \
+	cargo uninstall -v \
+		--root $(HOST_INSTALL_DIR) \
+		|| true
 endef
 
 define RustBinHostBuild