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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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tools/build.py
+7 -2
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@@ -19,11 +19,16 @@ import argparse
import shutil
import subprocess
import sys
from os import makedirs
from os import makedirs, uname
from settings import *
BUILD_DIR = path.join(PROJECT_DIR, 'build')
def default_toolchain():
(sysname, _, _, _, machine) = uname()
toolchain = path.join(PROJECT_DIR, 'cmake', 'toolchain_%s_%s.cmake' % (sysname.lower(), machine.lower()))
return toolchain if path.isfile(toolchain) else None
def add_build_args(parser):
parser.add_argument('--verbose', '-v', action='store_const', const='ON', default='OFF', help='Increase verbosity')
parser.add_argument('--unittests', action='store_const', const='ON', default='OFF', help='Build unittests too')
@@ -45,7 +50,7 @@ def add_build_args(parser):
parser.add_argument('--cmake-param', action='append', default=[], help='Add custom arguments to CMake')
parser.add_argument('--compile-flag', action='append', default=[], help='Add custom compile flag')
parser.add_argument('--linker-flag', action='append', default=[], help='Add custom linker flag')
parser.add_argument('--toolchain', action='store', default='', help='Add toolchain file')
parser.add_argument('--toolchain', action='store', default=default_toolchain(), help='Add toolchain file (default: %(default)s)')
parser.add_argument('--jerry-libc', choices=['on', 'off'], default='on', help='Use jerry-libc (default: %(default)s)')
parser.add_argument('--compiler-default-libc', choices=['on', 'off'], default='off', help='Use compiler-default libc (default: %(default)s)')
parser.add_argument('--jerry-core', choices=['on', 'off'], default='on', help='Use jerry-core (default: %(default)s)')