diff --git a/.Rbuildignore b/.Rbuildignore
index d13f13f..90aeec6 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -2,3 +2,4 @@
 ^\.Rproj\.user$
 ^LICENSE\.md$
 ^src/\.cargo$
+^src/rust/vendor$
diff --git a/.gitignore b/.gitignore
index 671b0d8..75c3f22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .Rproj.user
 .DS_Store
+src/rust/vendor
diff --git a/NAMESPACE b/NAMESPACE
index 6ae9268..1b93ebd 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -1,2 +1,4 @@
 # Generated by roxygen2: do not edit by hand
 
+export(hello_world)
+useDynLib(osinfo, .registration = TRUE)
diff --git a/configure b/configure
new file mode 100755
index 0000000..d656e00
--- /dev/null
+++ b/configure
@@ -0,0 +1,20 @@
+#!/usr/bin/env sh
+
+# https://github.com/eitsupi/prqlr/blob/main/configure
+export PATH="$PATH:$HOME/.cargo/bin"
+
+if [ ! "$(command -v cargo)" ]; then
+    echo "----------------------- [RUST NOT FOUND]---------------------------"
+    echo "The 'cargo' command was not found on the PATH. Please install rustc"
+    echo "from: https://www.rust-lang.org/tools/install"
+    echo ""
+    echo "Alternatively, you may install cargo from your OS package manager:"
+    echo " - Debian/Ubuntu: apt-get install cargo"
+    echo " - Fedora/CentOS: dnf install cargo"
+    echo " - macOS: brew install rustc"
+    echo "-------------------------------------------------------------------"
+    echo ""
+    exit 1
+fi
+
+exit 0
diff --git a/configure.win b/configure.win
new file mode 100644
index 0000000..d9b66ed
--- /dev/null
+++ b/configure.win
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# https://github.com/eitsupi/prqlr/blob/main/configure.win
+export PATH="$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
diff --git a/man/hello_world.Rd b/man/hello_world.Rd
new file mode 100644
index 0000000..8291afd
--- /dev/null
+++ b/man/hello_world.Rd
@@ -0,0 +1,11 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/extendr-wrappers.R
+\name{hello_world}
+\alias{hello_world}
+\title{Return string \code{"Hello world!"} to R.}
+\usage{
+hello_world()
+}
+\description{
+Return string \code{"Hello world!"} to R.
+}
diff --git a/src/Makevars b/src/Makevars
index d76aa99..fbc4182 100644
--- a/src/Makevars
+++ b/src/Makevars
@@ -7,9 +7,17 @@ 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.
@@ -17,14 +25,12 @@ $(STATLIB):
 		export CARGO_HOME=$(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)
diff --git a/src/Makevars.win b/src/Makevars.win
index 49456d9..f25f2d8 100644
--- a/src/Makevars.win
+++ b/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)
diff --git a/src/rust/Cargo.lock b/src/rust/Cargo.lock
new file mode 100644
index 0000000..a946b28
--- /dev/null
+++ b/src/rust/Cargo.lock
@@ -0,0 +1,86 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "extendr-api"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7d55a0174c4df17c467fb59b3f836bec31d1af6d56c4182cfdf34a62d1553a4"
+dependencies = [
+ "extendr-macros",
+ "libR-sys",
+ "once_cell",
+ "paste",
+]
+
+[[package]]
+name = "extendr-macros"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33833971650cade4bfa3097b979506bf2b4934b60392e110f95b94c2406cbb84"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "libR-sys"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a34aaa68a201f71eab5df5a67d1326add8aaf029434e939353bcab0534919ff1"
+
+[[package]]
+name = "once_cell"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+
+[[package]]
+name = "osinfo"
+version = "0.1.0"
+dependencies = [
+ "extendr-api",
+]
+
+[[package]]
+name = "paste"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.84"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec96c6a92621310b51366f1e28d05ef11489516e93be030060e5fc12024a49d6"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"