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Let the build script use a default for toolchain

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The `cmake` directory already contains several toolchain files for
various platforms (operating system + architecture). However,
`tools/build.py` does not define a toolchain file for cmake unless
explicitly specified. This patch changes the script to look into
the `cmake` directory for a file named
`toolchain_$(os)_$(arch).cmake` and, if found, pass that to cmake
by default.

OS and arch are determined by `os.uname()`. As Linux on Raspberry
Pi identifies itself as "armv7l", the legacy "armv7l-hf" arch name
is shortened to "armv7l". This way, building jerry on RPi
(natively, not cross) becomes possible by simply running
`tools/build.py` without any extra options.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu
This commit is contained in:
Akos Kiss
2016-08-07 19:56:35 +02:00
parent 2836f49eec
commit d5eb2f0be1
9 changed files with 15 additions and 10 deletions
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docs/01.GETTING-STARTED.md
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@@ -74,7 +74,7 @@ python tools/build.py --toolchain=TOOLCHAIN
For example the cross-compile to RaspberryPi 2 is something like this:
```bash
python tools/build.py --toolchain=cmake/toolchain_linux_armv7l-hf.cmake
python tools/build.py --toolchain=cmake/toolchain_linux_armv7l.cmake
```
##### To get a list of all the available buildoptions for Linux: