run extendr::use_cran_defaults()

.Rbuildignore

@@ -2,3 +2,4 @@
 ^\.Rproj\.user$
 ^LICENSE\.md$
 ^src/\.cargo$
+^src/rust/vendor$

.gitignore

@@ -1,2 +1,3 @@
 .Rproj.user
 .DS_Store
+src/rust/vendor

NAMESPACE

@@ -1,2 +1,4 @@
 # Generated by roxygen2: do not edit by hand
 
+export(hello_world)
+useDynLib(osinfo, .registration = TRUE)

configure

@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+
+# https://github.com/eitsupi/prqlr/blob/main/configure
+export PATH="$PATH:$HOME/.cargo/bin"
+
+if [ ! "$(command -v cargo)" ]; then
+    echo "----------------------- [RUST NOT FOUND]---------------------------"
+    echo "The 'cargo' command was not found on the PATH. Please install rustc"
+    echo "from: https://www.rust-lang.org/tools/install"
+    echo ""
+    echo "Alternatively, you may install cargo from your OS package manager:"
+    echo " - Debian/Ubuntu: apt-get install cargo"
+    echo " - Fedora/CentOS: dnf install cargo"
+    echo " - macOS: brew install rustc"
+    echo "-------------------------------------------------------------------"
+    echo ""
+    exit 1
+fi
+
+exit 0

configure.win

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# https://github.com/eitsupi/prqlr/blob/main/configure.win
+export PATH="$PATH:$HOME/.cargo/bin"
+
+if [ ! "$(command -v cargo)" ]; then
+    echo "----------------------- [RUST NOT FOUND]---------------------------"
+    echo "The 'cargo' command was not found on the PATH. Please install rustc"
+    echo "from: https://www.rust-lang.org/tools/install"
+    echo "-------------------------------------------------------------------"
+    echo ""
+    exit 1
+fi
+
+exit 0

src/Makevars

@@ -7,24 +7,30 @@ all: C_clean
 
 $(SHLIB): $(STATLIB)
 
+CRAN_FLAGS=-j 2 --offline
 CARGOTMP = $(CURDIR)/.cargo
+VENDOR_DIR = $(CURDIR)/vendor
 
 $(STATLIB):
+	if [ -f ./rust/vendor.tar.xz ]; then \
+		tar xf rust/vendor.tar.xz && \
+		mkdir -p $(CARGOTMP) && \
+		cp rust/vendor-config.toml $(CARGOTMP)/config.toml; \
+	fi
+
 	# In some environments, ~/.cargo/bin might not be included in PATH, so we need
 	# to set it here to ensure cargo can be invoked. It is appended to PATH and
 	# therefore is only used if cargo is absent from the user's PATH.
 	if [ "$(NOT_CRAN)" != "true" ]; then \
 		export CARGO_HOME=$(CARGOTMP); \
 	fi && \
 		export PATH="$(PATH):$(HOME)/.cargo/bin" && \
-		cargo build --lib --release --manifest-path=./rust/Cargo.toml --target-dir $(TARGET_DIR)
-	if [ "$(NOT_CRAN)" != "true" ]; then \
-		rm -Rf $(CARGOTMP) && \
-		rm -Rf $(LIBDIR)/build; \
-	fi
+			cargo build $(CRAN_FLAGS) --lib --release --manifest-path=./rust/Cargo.toml --target-dir $(TARGET_DIR) && \
+			echo `cargo --version` && echo `rustc --version`;
+		rm -Rf $(CARGOTMP) $(VENDOR_DIR) $(LIBDIR)/build; \
 
 C_clean:
-	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS)
+	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS) $(CARGOTMP) $(VENDOR_DIR)
 
 clean:
-	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS) rust/target
+	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS) $(CARGOTMP) $(VENDOR_DIR) $(TARGET_DIR)

src/Makevars.win

@@ -9,14 +9,29 @@ all: C_clean
 
 $(SHLIB): $(STATLIB)
 
+CRAN_FLAGS=-j 2 --offline
+CARGOTMP = $(CURDIR)/.cargo
+VENDOR_DIR = $(CURDIR)/vendor
+
+all: C_clean
+
+$(SHLIB): $(STATLIB)
+
+CRAN_FLAGS=-j 2 --offline
 CARGOTMP = $(CURDIR)/.cargo
 
 $(STATLIB):
+	# uncompress vendored deps
+	if [ -f ./rust/vendor.tar.xz ]; then \
+		tar xf rust/vendor.tar.xz && \
+		mkdir -p $(CARGOTMP) && \
+		cp rust/vendor-config.toml $(CARGOTMP)/config.toml; \
+	fi
+
 	mkdir -p $(TARGET_DIR)/libgcc_mock
 	# `rustc` adds `-lgcc_eh` flags to the compiler, but Rtools' GCC doesn't have
 	# `libgcc_eh` due to the compilation settings. So, in order to please the
 	# compiler, we need to add empty `libgcc_eh` to the library search paths.
-	#
 	# For more details, please refer to
 	# https://github.com/r-windows/rtools-packages/blob/2407b23f1e0925bbb20a4162c963600105236318/mingw-w64-gcc/PKGBUILD#L313-L316
 	touch $(TARGET_DIR)/libgcc_mock/libgcc_eh.a
@@ -26,15 +41,15 @@ $(STATLIB):
 		export CARGO_HOME=$(CARGOTMP); \
 	fi && \
 		export CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER="$(CARGO_LINKER)" && \
-		export LIBRARY_PATH="$${LIBRARY_PATH};$(CURDIR)/$(TARGET_DIR)/libgcc_mock" && \
-		cargo build --target=$(TARGET) --lib --release --manifest-path=./rust/Cargo.toml --target-dir $(TARGET_DIR)
+		export LIBRARY_PATH="$${LIBRARY_PATH};$(CURDIR)/$(TARGET_DIR)/libgcc_mock"; \
+		cargo build $(CRAN_FLAGS) --target=$(TARGET) --lib --release --manifest-path=./rust/Cargo.toml --target-dir $(TARGET_DIR) && \
+		echo `cargo --version` && echo `rustc --version`;
 	if [ "$(NOT_CRAN)" != "true" ]; then \
-		rm -Rf $(CARGOTMP) && \
-		rm -Rf $(LIBDIR)/build; \
+		rm -Rf $(CARGOTMP) $(VENDOR_DIR) $(LIBDIR)/build; \
 	fi
 
 C_clean:
-	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS)
+	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS) $(CARGOTMP) $(VENDOR_DIR)
 
 clean:
-	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS) $(TARGET_DIR)
+	rm -Rf $(SHLIB) $(STATLIB) $(OBJECTS) $(CARGOTMP) $(VENDOR_DIR) $(TARGET_DIR)