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Hybrid single example (#173)
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‎.github/workflows/linux_gcc_cmake_build.yml

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cmake --build build --parallel 2 --config Release
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./build/Release/build
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- name: Hybrid Single Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_DEV_ALL}}
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run: |
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cmake --build . --target run_hybrid_single_example --config Release
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- name: Hybrid Simple Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_DEV_ALL}}
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run: |
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cmake --build build --parallel 2 --config Release
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./build/Release/build
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- name: Hybrid Single Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_DEV_SINGLE}}
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run: |
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cmake --build . --target run_hybrid_single_example --config Release
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- name: Hybrid Simple Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_DEV_SINGLE}}
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run: |

‎.github/workflows/win_cmake_build.yml

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ls
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.\build.exe
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- name: Hybrid Single Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_MSVC_DEV_ALL}}
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run: |
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cmake --build . --config Release --parallel 2 --target run_hybrid_single_example
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- name: Hybrid Simple Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_MSVC_DEV_ALL}}
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run: |
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ls
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.\build.exe
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- name: Hybrid Single Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_CLANG_DEV_ALL}}
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run: |
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cmake --build . --target run_hybrid_single_example --config Release
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- name: Hybrid Simple Example
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working-directory: ${{github.workspace}}/${{env.BUILD_FOLDER_CLANG_DEV_ALL}}
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run: |

‎CMakeLists.txt

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endif()
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if (${BUILDCC_EXAMPLES})
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add_subdirectory(example/hybrid/single)
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add_subdirectory(example/hybrid/simple)
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add_subdirectory(example/hybrid/foolib)
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add_subdirectory(example/hybrid/external_lib)

‎example/README.md

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**Current state of examples**
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- [x] Single
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- Compile a single source with `Register` and `Args` module
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- [x] Simple
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- Similar to Flags example with `Register` and `Args` module
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- [x] Foolib

‎example/hybrid/single/.gitignore

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# Folder
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generated
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buildcc
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_internal*
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# Files
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*.exe
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*.o
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*.bin
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*.dot

‎example/hybrid/single/CMakeLists.txt

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cmake_minimum_required(VERSION 3.10.0)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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project(hybrid_single_example)
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# Bootstrap your build file using CMake
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add_executable(hybrid_single_example build.cpp)
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target_link_libraries(hybrid_single_example PRIVATE buildcc)
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# TODO, Add this only if MINGW is used
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# https://github.com/msys2/MINGW-packages/issues/2303
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# Similar issue when adding the Taskflow library
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if (${MINGW})
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message(WARNING "-Wl,--allow-multiple-definition for MINGW")
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target_link_options(hybrid_single_example PRIVATE -Wl,--allow-multiple-definition)
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endif()
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# Run your build file
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add_custom_target(run_hybrid_single_example
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COMMAND hybrid_single_example --help-all
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COMMAND hybrid_single_example --config ${CMAKE_CURRENT_SOURCE_DIR}/build.toml
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# COMMAND dot -Tpng graph.dot -o graph.PNG
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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DEPENDS hybrid_single_example buildcc
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VERBATIM USES_TERMINAL
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)

‎example/hybrid/single/build.cpp

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#include "buildcc.h"
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using namespace buildcc;
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constexpr const char *const EXE = "build";
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// Function Prototypes
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static void clean_cb();
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static void hello_world_build_cb(BaseTarget &target);
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int main(int argc, char **argv) {
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// 1. Get arguments
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Args args;
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ArgToolchain arg_gcc;
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args.AddToolchain("gcc", "Generic gcc toolchain", arg_gcc);
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args.Parse(argc, argv);
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// 2. Initialize your environment
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Register reg(args);
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// 3. Pre-build steps
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reg.Clean(clean_cb);
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// 4. Build steps
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// Explicit toolchain - target pairs
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Toolchain_gcc gcc;
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ExecutableTarget_gcc hello_world("hello_world", gcc, "");
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auto verified_toolchains = gcc.Verify();
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env::assert_fatal(!verified_toolchains.empty(), "GCC Toolchain not found");
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// Select your builds and tests using the .toml files
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reg.Build(arg_gcc.state, hello_world_build_cb, hello_world);
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// 5. Test steps
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reg.Test(arg_gcc.state, "{executable}", hello_world);
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// 6. Build Target
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reg.RunBuild();
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// 7. Test Target
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reg.RunTest();
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// 8. Post Build steps
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// - Clang Compile Commands
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plugin::ClangCompileCommands({&hello_world}).Generate();
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return 0;
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}
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static void clean_cb() {
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env::log_info(EXE, fmt::format("Cleaning {}", env::get_project_build_dir()));
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fs::remove_all(env::get_project_build_dir());
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}
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static void hello_world_build_cb(BaseTarget &target) {
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target.AddSource("main.cpp", "src");
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target.Build();
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}

‎example/hybrid/single/build.toml

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# Root
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root_dir = ""
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build_dir = "_build"
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loglevel = "trace"
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# Project
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clean = true
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# Toolchain
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[toolchain.gcc]
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build = true
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test = true

‎example/hybrid/single/src/main.cpp

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#include <iostream>
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int main() {
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std::cout << "Hello World" << std::endl;
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return 0;
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}

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