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clang-build-0.1.0
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مشاهده بیشترتوضیحات
Easy build tool for C++ projects focussing on simplicity
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | clang-build-0.1.0 |
| نام | clang-build |
| نسخه کتابخانه | 0.1.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Trick-17 |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | https://github.com/Trick-17/clang-build |
| آدرس اینترنتی | https://pypi.org/project/clang-build/ |
| مجوز | MIT |
Clang-build
==================================================================
[](https://github.com/Trick-17/clang-build/actions/workflows/ci.yml)
[](https://www.codacy.com/app/Trick-17/clang-build?utm_source=github.com&utm_medium=referral&utm_content=Trick-17/clang-build&utm_campaign=Badge_Grade)
[](https://codecov.io/gh/Trick-17/clang-build)
[]()
**Find the full documentation at [https://clang-build.readthedocs.io](https://clang-build.readthedocs.io)**
- [First steps](https://clang-build.readthedocs.io/en/latest/user_guide/first_steps.html)
- [Customisations](https://clang-build.readthedocs.io/en/latest/user_guide/customisations.html)
- [Multiple targets](https://clang-build.readthedocs.io/en/documentation/user_guide/multiple_targets.html)
- [Multiple projects](https://clang-build.readthedocs.io/en/documentation/user_guide/multiple_projects.html)
- [Defaults](https://clang-build.readthedocs.io/en/documentation/user_guide/defaults.html)
**Motivation:**
- Building as much as possible from source eases dependency management and
ensures stability and reproducibility
- Meta build systems are inherently the wrong way to go, either the build
system or the compiler should be platform-agnostic (ideally both).
- Trying to cover all use-cases is the wrong way to go - there is no need to
let people do it the wrong way
- CMake is cumbersome, unnecessarily generic and verbose and people should not
need a programming/scripting language whose only purpose is to build C++
- With Clang, finally a properly cross-platform compiler exists
**Goals:**
- One compiler (Clang), one build system (written in Python)
- Simple projects should be simple to build
- Build process for reasonable project structures should still be easy
- Adding third-party dependencies should be manageable
**What it's not designed to do:**
- Build anything aside from C language dialects
- Be able to adapt to any project structure in the world - certain standards are encouraged
- Work smoothly with or locate pre-built libraries and libraries installed by system package managers
**Related resources:**
- [CppCon 2017: Isabella Muerte "There Will Be Build Systems: I Configure Your Milkshake"](https://www.youtube.com/watch?v=7THzO-D0ta4)
- https://medium.com/@corentin.jabot/accio-dependency-manager-b1846e1caf76
Usage
==================================================================
In order to run `clang-build`, you only need Clang and Python3.
Install via `pip install clang-build` (add the `--user` flag if you don't have admin rights).
Running `clang-build` will try to build the current directory.
The command-line options include
- `-d path/to/dir` to build a different directory
- `-p` to show a progress bar
- `-V` to print some additional info
- `--debug` to print the called clang commands
The given directory will be searched for a `clang-build.toml` file, which you can use to configure
your build targets, if necessary. However, if you only want to build an executable, you will
likely not even need a build file.
clang-build tries to use sane defaults, designed to make most projects very easy to configure
and even complex projects far easier than with common build or meta-build systems.
Real-World Examples
==================================================================
Examples of real-world used and tested projects, which can be easily be integrated
into your project using `clang-build`:
- [test/boost-filesystem](https://github.com/Trick-17/clang-build/tree/master/test/boost-filesystem)
General Ideas
==================================================================
*Note: not all of these are implemented, yet.*
What should be trivial
------------------------------------------------------------------
This would be things that require only the invocation of `clang-build`
and no build file.
- build any hello world program or other MWE, given a reasonable folder
structure (i.e anything with a main and without non-std dependencies)
- include anything that can be found by sane default search
- using command line arguments:
- specify root/source and build directories
- set build type (last used should be cached/remembered)
- set verbosity
Sane defaults and default behaviour:
- platform-independence
- build into a "build/" directory, not into toplevel
- for multiple targets build each into its own "build/targetname"
- default search paths for different platforms, including also e.g.
"./include", "./lib", "./build/lib", "/usr/local/...", ...
What should be easy
------------------------------------------------------------------
This would be things that only require a minimal TOML project file
- add dependency / external project from source folder or remote (e.g.
github)
- header-only should be trivial
- for a library with a good folder structure, it should be easy to
write a build config
- create a library from one subfolder, an executable from another and
link them
- setting target-specific (note: defaults should be sane!)
- source file extensions
- source directories
- compile and link flags
- optional version
- dependencies (which may include non-targets, e.g. configuration
steps)
- properties (required c++ version, definitions/`#define`s, ...)
- access to flag "lists" such as flags for
- coverage
- cuda
- openmp
- set target-specific flags, include folders, etc. which should not be
propagated to dependency parents as "private"
What should be possible
------------------------------------------------------------------
Steps that would involve more effort from the user, including possibly
some python code
- a Target configuration step before building (e.g. for more involved
version numbering)
- through the configuration step, inclusion of e.g. CMake-project
should be possible
- packaging: any target may be packaged, meaning it's dependencies are
handled and if built, binaries may be bundled
- external package dependencies
- binaries on a server
- source on a server (fallback from binaries)
- binaries on disk, try to determine version from path and file names
- source on disk, try to determine version from path and file names
Project File By Example
==================================================================
A single target
------------------------------------------------------------------
Note:
- by default, the `root` and `<targetname>` folders, as well as "include" and "src" subdirectories
will be searched for ".hpp", ".hxx", ".h" and ".cpp", ".cxx" and ".c" files
- a target without `target_type`, but with source files will be an executable
- `output_name` should not contain pre- or suffixes such as lib, .exe, .so, as they are added automatically
- if we don't care about the output name, in this case we could skip the project file entirely
```toml
# Top-level brackets indicate a target
[hello]
output_name = "runHello"
```
Two targets with linking
------------------------------------------------------------------
```toml
# Build a library
[mylib]
target_type = "shared library"
# Build an executable and link the library
[myexe]
output_name = "runExe"
target_type = "executable"
dependencies = ["mylib"]
[myexe.flags]
link = ["-DMYEXE_SOME_DEFINE"]
```
Adding external dependencies
------------------------------------------------------------------
Note:
- external targets will be copied/downloaded into "build/targetname/external_sources"
- you can specify a subdirectory, if the thirdparty code has an unusual structure
- further granularity is given by `include_directories` and `sources`
- `sources`, `headers_exclude` and `sources_exclude` expect a list of globbing patterns or files (not folders!)
```toml
[mylib]
url = "https://github.com/trick-17/mylib"
version = 1.1 # will try to `git checkout 1.1`
directory = "sources" # will point to "build/mylib/external_sources/sources"
include_directories = ["mylib/include"] # will point to "build/mylib/external_sources/sources/mylib/include"
sources = ["mylib/src/*"] # will list everything inside "build/mylib/external_sources/sources/mylib/src"
# Maybe we need to deactivate annoying warnings coming from the library
[mylib.flags]
compile = ["-Wno-deprecated-declarations", "-Wno-self-assign"]
# Build an executable and link the library
[myexe]
dependencies = ["mylib"]
```
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.7 | Python |
نحوه نصب
نصب پکیج whl clang-build-0.1.0:
pip install clang-build-0.1.0.whl
نصب پکیج tar.gz clang-build-0.1.0:
pip install clang-build-0.1.0.tar.gz