Vidur part2

.gitignore

@@ -4,3 +4,5 @@ ShangEn/build/*
 BenHall/lab1/build
 RishiB/build/*
 Ujaan/Lab-2/Part-1/build/*
+/.vscode
+Vidur/*/result

Vidur/CMakeLists.txt → Vidur/Part-1/CMakeLists.txt

@@ -11,4 +11,6 @@ target_include_directories(helloworld_lib PUBLIC include)
 
 add_executable(HelloWorld src/main.cpp)
 
-target_link_libraries(HelloWorld PUBLIC helloworld_lib)
+target_link_libraries(HelloWorld PUBLIC helloworld_lib)
+
+install(TARGETS HelloWorld DESTINATION ${CMAKE_INSTALL_BINDIR})

Vidur/Part-1/default.nix

@@ -0,0 +1,9 @@
+{ stdenv, cmake  }:
+
+stdenv.mkDerivation rec {
+    pname = "helloapp";
+    version = "1.0.0";
+    src = ./.; # Path to your source directory
+
+    nativeBuildInputs = [ cmake ];
+}

Vidur/Part-1/flake.nix

@@ -0,0 +1,25 @@
+{
+    description = "part 1 flake";
+
+    inputs = {
+        nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    };
+    outputs = { self, nixpkgs }:
+    let
+    hellolib_overlay = final: prev: {
+        hellolib = final.callPackage ./default.nix { };
+    };
+    my_overlays = [ hellolib_overlay ];
+
+
+    pkgs = import nixpkgs {
+        system = "aarch64-darwin";
+        overlays = [ self.overlays.default ];
+    };
+    in
+    {
+        packages.x86_64-linux.default = pkgs.hellolib;
+        packages.aarch64-darwin.default = pkgs.hellolib;
+        overlays.default = nixpkgs.lib.composeManyExtensions my_overlays;
+    };
+}

Vidur/Part-2/default.nix

@@ -0,0 +1,10 @@
+{ stdenv, cmake, hellolib }:
+
+stdenv.mkDerivation rec {
+    pname = "helloapp";
+    version = "1.0.0";
+    src = ./helloapp; # Path to your source directory
+
+    nativeBuildInputs = [ cmake ];
+    buildInputs = [hellolib];
+}

Vidur/Part-2/flake.nix

@@ -0,0 +1,25 @@
+{
+    description = "part 1 flake";
+
+    inputs = {
+        nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    };
+    outputs = { self, nixpkgs }:
+    let
+    helloapp_overlay = final: prev: rec {
+        hellolib = final.callPackage ./hellolib.nix { };
+        helloapp = final.callPackage ./default.nix { inherit hellolib; };
+    };
+    my_overlays = [ helloapp_overlay ];
+
+
+    pkgs = import nixpkgs {
+        system = "aarch64-darwin";
+        overlays = [ helloapp_overlay ];
+    };
+    in
+    {
+        packages.aarch64-darwin.default = pkgs.helloapp;
+        overlays.default = nixpkgs.lib.composeManyExtensions my_overlays;
+    };
+}

Vidur/Part-2/helloapp/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.24)
+project(hello_app LANGUAGES CXX)
+
+find_package(hellolib REQUIRED)
+
+add_executable(hello_app main.cpp)
+
+target_link_libraries(hello_app PUBLIC hellolib::hellolib)
+
+install(TARGETS hello_app DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)

Vidur/Part-2/helloapp/main.cpp

@@ -0,0 +1,6 @@
+#include "hello_world.h"
+
+int main(void) {
+    Hello hello;
+    hello.hello_world();
+}

Vidur/Part-2/hellolib.nix

@@ -0,0 +1,9 @@
+{ stdenv, cmake }:
+
+stdenv.mkDerivation rec {
+    pname = "hellolib";
+    version = "1.0.0";
+    src = ./hellolib; # Path to your source directory
+
+    nativeBuildInputs = [ cmake ];
+}

Vidur/Part-2/hellolib/CMakeLists.txt

@@ -0,0 +1,49 @@
+cmake_minimum_required(VERSION 3.24)
+project(hellolib LANGUAGES CXX)
+
+add_library(hellolib STATIC src/hello_world.cpp)
+
+# be sure that you use the generator expressions
+# ($<BUILD_INTERFACE: and $<INSTALL_INTERFACE:) for your include directory setups
+target_include_directories(hellolib PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
+
+include(GNUInstallDirs)
+install(TARGETS hellolib
+  EXPORT hellolibTargets
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  PUBLIC_HEADER DESTINATION include
+)
+
+# NAMESPACE sets the namespace that your target will live within.
+# you can have multiple targets under the same namespace
+install(EXPORT hellolibTargets
+  FILE hellolibTargets.cmake
+  NAMESPACE hellolib::  
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hellolib
+)
+
+# this looks for your .cmake.in file that you created in step 1.
+# if you set the directory differently you may need to handle this differently
+include(CMakePackageConfigHelpers)
+configure_package_config_file(${CMAKE_CURRENT_LIST_DIR}/cmake/hellolib.cmake.in
+  "${CMAKE_CURRENT_BINARY_DIR}/hellolibConfig.cmake"
+  INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hellolib
+)
+
+install(FILES
+  "${CMAKE_CURRENT_BINARY_DIR}/hellolibConfig.cmake"
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hellolib
+)
+
+
+# actually install your header files
+install(
+    DIRECTORY include/
+    DESTINATION ${CMAKE_INSTALL_PREFIX}/include
+    FILES_MATCHING PATTERN "*.h*"
+)

Vidur/Part-2/hellolib/cmake/hellolib.cmake.in

@@ -0,0 +1,10 @@
+@PACKAGE_INIT@
+
+# if you have find_package calls, use find_dependency() here with the package
+# that you need to find_package() for. this handles transitive dep finding so
+# your downstream cmake doesnt have to `find_package()` it instead gets done
+# upon package configuration
+
+include("${CMAKE_CURRENT_LIST_DIR}/hellolibTargets.cmake")
+
+check_required_components(hellolib)

Vidur/Part-2/hellolib/include/hello_world.h

@@ -0,0 +1,9 @@
+#ifndef _HELLO_WORLD_CLASS_H_
+#define _HELLO_WORLD_CLASS_H_
+
+class Hello {
+    public:
+        void hello_world();
+};
+
+#endif

Vidur/Part-2/hellolib/src/hello_world.cpp

@@ -0,0 +1,6 @@
+#include "hello_world.h"
+#include <iostream>
+
+void Hello::hello_world() {
+    std::cout << "Hello, World!\n";
+}

Vidur/Part-3/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.24)
+project(hello_app LANGUAGES CXX)
+
+find_package(hellolib REQUIRED)
+
+add_executable(hello_app main.cpp)
+
+target_link_libraries(hello_app PUBLIC hellolib::hellolib)
+
+install(TARGETS hello_app DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)

Vidur/Part-3/default.nix

@@ -0,0 +1,10 @@
+{ stdenv, cmake, hellolib }:
+
+stdenv.mkDerivation rec {
+    pname = "helloapp";
+    version = "1.0.0";
+    src = ./.; # Path to your source directory
+
+    nativeBuildInputs = [ cmake ];
+    buildInputs = [hellolib];
+}