initial

Cargoxx.lock

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+flake_utils_rev = '11707dc2f618dd54ca8739b309ec4fc024de578b'
+nixpkgs_rev = 'd233902339c02a9c334e7e593de68855ad26c4cb'
+version = 1
+
+[[package]]
+name = 'greeter'
+version = '0.1.0'

Cargoxx.toml

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+[package]
+name = "greeter"
+version = "0.1.0"
+edition = "cpp23"
+license = "MIT"
+description = "minimal cargoxx demo library — greets you"

build/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.30)
+
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_DYNDEP 1)
+set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "d0edc3af-4c50-42ea-a356-e2862fe7a444")
+set(CMAKE_CXX_MODULE_STD ON)
+
+project(greeter VERSION 0.1.0 LANGUAGES CXX)
+
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+
+# Generated by cargoxx — do not edit.
+# Source of truth: ../Cargoxx.toml
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS ON)
+set(CMAKE_CXX_SCAN_FOR_MODULES ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+add_compile_options(-Wall -Wextra -Wpedantic -Wconversion -Wno-missing-field-initializers)
+
+# ----- library target -----
+add_library(greeter STATIC)
+target_sources(greeter
+    PUBLIC
+        FILE_SET CXX_MODULES BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/.. FILES
+            ../src/lib.cppm
+)
+target_compile_features(greeter PUBLIC cxx_std_23)
+
+# ----- install + package-config + pkg-config -----
+install(TARGETS greeter
+        EXPORT greeterTargets
+        FILE_SET CXX_MODULES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/greeter
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(EXPORT greeterTargets
+        FILE greeterTargets.cmake
+        NAMESPACE greeter::
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/greeter)
+
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/greeterConfig.cmake.in [[
+@PACKAGE_INIT@
+include(CMakeFindDependencyMacro)
+include("${CMAKE_CURRENT_LIST_DIR}/greeterTargets.cmake")
+check_required_components(greeter)
+]])
+configure_package_config_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/greeterConfig.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/greeterConfig.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/greeter)
+write_basic_package_version_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/greeterConfigVersion.cmake
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY SameMajorVersion)
+install(FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/greeterConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/greeterConfigVersion.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/greeter)
+
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/greeter.pc.in [[
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${prefix}/${CMAKE_INSTALL_LIBDIR}
+includedir=${prefix}/${CMAKE_INSTALL_INCLUDEDIR}
+
+Name: @PROJECT_NAME@
+Version: @PROJECT_VERSION@
+Description: @PROJECT_NAME@
+Cflags: -I${includedir}
+Libs: -L${libdir} -l@PROJECT_NAME@
+]])
+configure_file(${CMAKE_CURRENT_BINARY_DIR}/greeter.pc.in
+               ${CMAKE_CURRENT_BINARY_DIR}/greeter.pc @ONLY)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/greeter.pc
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)

build/flake.nix

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+{
+  description = "greeter";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/d233902339c02a9c334e7e593de68855ad26c4cb";
+    flake-utils.url = "github:numtide/flake-utils/11707dc2f618dd54ca8739b309ec4fc024de578b";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in {
+        devShell = pkgs.gcc15Stdenv.mkDerivation {
+          name = "shell";
+          version = "1.0";
+          nativeBuildInputs = [
+            pkgs.ninja
+            pkgs.cmake
+          ];
+          buildInputs = [
+          ];
+          hardeningDisable = [
+            "all"
+          ];
+        };
+      });
+}

src/lib.cppm

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+export module greeter;
+import std;
+
+export namespace greeter {
+auto hello(std::string_view who) -> std::string {
+    return std::format("Hello from greeter, {}!", who);
+}
+} // namespace greeter