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Cosmetic changes for #2055

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Thomas Nagy 2017-10-18 21:06:12 +02:00
parent 34e6fd922a
commit 0be92e74ac
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1 changed files with 18 additions and 24 deletions
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42
waflib/extras/cross_gnu.py
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@ -6,9 +6,8 @@ __author__ = __maintainer__ = "Jérôme Carretero <cJ-waf@zougloub.eu>"
__copyright__ = "Jérôme Carretero, 2014"
"""
This tool allows to use environment variables to define cross-compilation things,
mostly used when you use build variants.
This tool allows to use environment variables to define cross-compilation
variables intended for build variants.
The variables are obtained from the environment in 3 ways:
@ -38,14 +37,14 @@ Usage:
CFLAGS=... CHOST=arm-hardfloat-linux-gnueabi HOST_CFLAGS=-g waf configure
HOST_CC="clang -..." waf configure
This example ``wscript`` compiles to Microchip PIC (xc16-gcc,.. must be in PATH):
This example ``wscript`` compiles to Microchip PIC (xc16-gcc-xyz must be in PATH):
.. code:: python
from waflib import Configure
#from https://gist.github.com/rpuntaie/2bddfb5d7b77db26415ee14371289971
import waf_variants
import waf_variants
variants='pc fw/variant1 fw/variant2'.split()
@ -74,8 +73,8 @@ This example ``wscript`` compiles to Microchip PIC (xc16-gcc,.. must be in PATH)
def build(bld):
if 'fw' in bld.variant: #firmware
bld.program(source='maintst.c',target='maintst');
bld(source='maintst.elf',target='maintst.hex',rule="xc16-bin2hex ${SRC} -a -omf=elf")
bld.program(source='maintst.c', target='maintst');
bld(source='maintst.elf', target='maintst.hex', rule="xc16-bin2hex ${SRC} -a -omf=elf")
else: #build for pc SW
...
@ -83,7 +82,7 @@ This example ``wscript`` compiles to Microchip PIC (xc16-gcc,.. must be in PATH)
import os
from waflib import Utils, Configure
from waflib.Tools import ccroot,gcc
from waflib.Tools import ccroot, gcc
try:
from shlex import quote
@ -106,23 +105,22 @@ def get_chost_stuff(conf):
def xcheck_var(conf, name, wafname=None, cross=False):
wafname = wafname or name
if wafname not in conf.env:
if wafname in conf.env:
value = conf.env[wafname]
if isinstance(value, str):
value = [value]
else:
envar = os.environ.get(name)
if not envar:
return
value = Utils.to_list(envar) if envar != '' else [envar]
else:
value = conf.env[wafname]
if isinstance(value,str):
value = [value]
conf.env[wafname] = value
if cross:
pretty = 'cross-compilation %s' % wafname
else:
pretty = wafname
conf.msg('Will use %s' % pretty,
" ".join(quote(x) for x in value))
conf.msg('Will use %s' % pretty, " ".join(quote(x) for x in value))
@Configure.conf
def xcheck_host_prog(conf, name, tool, wafname=None):
@ -137,8 +135,7 @@ def xcheck_host_prog(conf, name, tool, wafname=None):
if specific:
value = Utils.to_list(specific)
conf.env[wafname] += value
conf.msg('Will use cross-compilation %s from %s_%s' \
% (name, chost_envar, name),
conf.msg('Will use cross-compilation %s from %s_%s' % (name, chost_envar, name),
" ".join(quote(x) for x in value))
return
else:
@ -146,8 +143,7 @@ def xcheck_host_prog(conf, name, tool, wafname=None):
if envar is not None:
value = Utils.to_list(envar)
conf.env[wafname] = value
conf.msg('Will use cross-compilation %s from HOST_%s' \
% (name, name),
conf.msg('Will use cross-compilation %s from HOST_%s' % (name, name),
" ".join(quote(x) for x in value))
return
@ -160,8 +156,7 @@ def xcheck_host_prog(conf, name, tool, wafname=None):
if value:
conf.env[wafname] = value
conf.msg('Will use cross-compilation %s from CHOST' \
% wafname, value)
conf.msg('Will use cross-compilation %s from CHOST' % wafname, value)
@Configure.conf
def xcheck_host_envar(conf, name, wafname=None):
@ -189,8 +184,7 @@ def xcheck_host_envar(conf, name, wafname=None):
value = Utils.to_list(envar) if envar != '' else [envar]
conf.env[wafname] = value
conf.msg('Will use cross-compilation %s from HOST_%s' \
% (name, name),
conf.msg('Will use cross-compilation %s from HOST_%s' % (name, name),
" ".join(quote(x) for x in value))
@ -223,7 +217,7 @@ def xcheck_host(conf):
def configure(conf):
"""
Configuration for cross_gnu
Configuration example for gcc, it will not work for g++/clang/clang++
"""
conf.xcheck_host()
conf.gcc_common_flags()