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# meta-clang (a C language family frontend and LLVM compiler backend)
This layer provides [clang/llvm](http://clang.llvm.org/) as alternative to your system
C/C++ compiler for OpenEmbedded based distributions along with gcc
# Getting Started
```shell
git clone git://github.com/openembedded/openembedded-core.git
cd openembeeded-core
git clone git://github.com/openembedded/bitbake.git
git clone git://github.com/kraj/meta-clang.git
$ . ./oe-init-build-env
```
Edit conf/bblayers.conf to add meta-musl to layer mix e.g.
```python
BBLAYERS ?= " \
/home/kraj/openembedded-core/meta-clang \
/home/kraj/openembedded-core/meta \
"
```
# Building
Below we build for qemuarm machine as an example
```shell
$ MACHINE=qemuarm bitbake core-image-minimal
```
# Running
```shell
$ runqemu qemuarm
```
# Limitations
Currently only few components are building with clang if you want to port/add more then please add
```Shell
TOOLCHAIN_pn-<recipe-name> = "clang"
DEPENDS_append_pn-<recipe-name> = " clang-cross "
```
to clang.conf
and OE will start using clang to cross compile that recipe
# Dependencies
```
URI: git://github.com/openembedded/openembedded-core.git
branch: master
revision: HEAD
URI: git://github.com/openembedded/bitbake.git
branch: master
revision: HEAD
```
Send pull requests to openembedded-devel@lists.openembedded.org with '[meta-clang]' in the subject'
When sending single patches, please use something like:
'git send-email -M -1 --to openembedded-devel@lists.openembedded.org --subject-prefix=meta-clang][PATCH'
You are encouraged to fork the mirror on [github](https://github.com/kraj/meta-clang/)
to share your patches, this is preferred for patch sets consisting of more than
one patch. Other services like gitorious, repo.or.cz or self hosted setups are
of course accepted as well, 'git fetch <remote>' works the same on all of them.
We recommend github because it is free, easy to use, has been proven to be reliable
and has a really good web GUI.
Layer Maintainer: Khem Raj <raj.khem@gmail.com>
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