https://github.com/cbeck88/travis-cpp-assistant
Install modern C++ on travis-ci images
https://github.com/cbeck88/travis-cpp-assistant
Last synced: 2 months ago
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Install modern C++ on travis-ci images
- Host: GitHub
- URL: https://github.com/cbeck88/travis-cpp-assistant
- Owner: cbeck88
- License: wtfpl
- Created: 2016-07-19T11:32:25.000Z (almost 9 years ago)
- Default Branch: master
- Last Pushed: 2016-11-30T13:32:36.000Z (over 8 years ago)
- Last Synced: 2025-03-29T01:11:51.513Z (3 months ago)
- Language: Shell
- Size: 29.3 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# travis-ci c++ assistant
[](http://travis-ci.org/cbeck88/travis-cpp-assistant)
[](./LICENSE)
# Note: Abandoned
This project is basically abandoned, I was ultimately not able to find a way
to install gcc from source in home directory in travis images without timing out the build, after
trying many things. Feel free to pick it up and fork it!
# Intro
Do you have a travis-CI C++ project?
Is your `.travis.yml` file taking on a life of its own?
This assistant can be used to set up a nice, modern C++ build environment with
multiple versions of boost, gcc, and clang, using the correct standard libraries,
with relative ease, while keeping your `.travis.yml` nice and tidy.
All compilers that you request will be built from source in your home directory
and cached for future builds.
To use the assistant, set up your `.travis.yml` as follows
* Configure your *build matrix* to set the variables `BOOST_VERSION`,
and variously `LLVM_VERSION` or `GCC_VERSION`, corresponding to `compiler:` setting.
Version strings should all have two dots, e.g. `GCC_VERSION=4.9.3`, `BOOST_VERSION=1.58.0`.
```
matrix:
include:
- os: linux
env: GCC_VERSION=5.3.0 BOOST_VERSION=1.58.0
compiler: gcc
- os: linux
env: LLVM_VERSION=3.6.2 BOOST_VERSION=1.55.0
compiler: clang
```
* Configure your *cache* to cache the `~/deps` directory.
```
cache:
directories:
- ${TRAVIS_BUILD_DIR}/deps
```
* During the *install* step, clone this repository and run `source ./install.sh`.
Actually, it is simplest just to `wget` that shell file:
```
install:
- wget https://raw.githubusercontent.com/cbeck88/travis-cpp-assistant/master/install.sh
- chmod +x install.sh
- source ./install.sh
```
Or, commit it to your repository.
* During your *script* step, use the environment variable `CXX` with your build system,
and include `BOOST_ROOT` to get the boost headers of the corresponding version.
You should respect the `CXXFLAGS` and `LDFLAGS` which are exported also.
```
${CXX} -I${BOOST_ROOT} ${CXXFLAGS} main.cpp -o a.out ${LDFLAGS}
```
If you need to compile boost, then you should `cd` into `BOOST_ROOT` and do it.
* Compiling `clang` requires a gcc standard library version `>= 4.7`.
This is older than what is available in precise, so you must source `ubuntu-toolchain-r-test`
from `apt` and install at least `g++-4.9` to get new versions of clang.
Check out the [.travis.yml](./.travis.yml) of this repo to see a full example.
For more info about caching, and clearing a bad cache, see [travis-ci docs](https://docs.travis-ci.com/user/caching/).
For specific compiler versions that you can request, check the urls that appear in `install.sh`.
Credits
-------
Note that much of this script is derived from the `.travis.yml` file of the [boost::hana](https://github.com/boostorg/hana),
so credit for all the good parts should go to Louis Dionne, and any bugs were likely my doing.