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#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! https://waf.io/book/index.html#_obtaining_the_waf_file
import subprocess,shlex,sys
from waflib.Tools import ccroot,gcc,gxx
from waflib.Configure import conf
from waflib.TaskGen import after_method,feature
from waflib.Tools.compiler_c import c_compiler
from waflib.Tools.compiler_cxx import cxx_compiler
for supported_os in('linux','darwin','gnu','aix'):
c_compiler[supported_os].append('c_emscripten')
cxx_compiler[supported_os].append('c_emscripten')
@conf
def get_emscripten_version(conf,cc):
dummy=conf.cachedir.parent.make_node("waf-emscripten.c")
dummy.write("")
cmd=cc+['-dM','-E','-x','c',dummy.abspath()]
env=conf.env.env or None
try:
p=subprocess.Popen(cmd,stdout=subprocess.PIPE,stderr=subprocess.PIPE,env=env)
out=p.communicate()[0]
except Exception as e:
conf.fatal('Could not determine emscripten version %r: %s'%(cmd,e))
if not isinstance(out,str):
out=out.decode(sys.stdout.encoding or'latin-1')
k={}
out=out.splitlines()
for line in out:
lst=shlex.split(line)
if len(lst)>2:
key=lst[1]
val=lst[2]
k[key]=val
if not('__clang__'in k and'EMSCRIPTEN'in k):
conf.fatal('Could not determine the emscripten compiler version.')
conf.env.DEST_OS='generic'
conf.env.DEST_BINFMT='elf'
conf.env.DEST_CPU='asm-js'
conf.env.CC_VERSION=(k['__clang_major__'],k['__clang_minor__'],k['__clang_patchlevel__'])
return k
@conf
def find_emscripten(conf):
cc=conf.find_program(['emcc'],var='CC')
conf.get_emscripten_version(cc)
conf.env.CC=cc
conf.env.CC_NAME='emscripten'
cxx=conf.find_program(['em++'],var='CXX')
conf.env.CXX=cxx
conf.env.CXX_NAME='emscripten'
conf.find_program(['emar'],var='AR')
def configure(conf):
conf.find_emscripten()
conf.find_ar()
conf.gcc_common_flags()
conf.gxx_common_flags()
conf.cc_load_tools()
conf.cc_add_flags()
conf.cxx_load_tools()
conf.cxx_add_flags()
conf.link_add_flags()
conf.env.ARFLAGS=['rcs']
conf.env.cshlib_PATTERN='%s.js'
conf.env.cxxshlib_PATTERN='%s.js'
conf.env.cstlib_PATTERN='%s.a'
conf.env.cxxstlib_PATTERN='%s.a'
conf.env.cprogram_PATTERN='%s.html'
conf.env.cxxprogram_PATTERN='%s.html'
conf.env.CXX_TGT_F=['-c','-o','']
conf.env.CC_TGT_F=['-c','-o','']
conf.env.CXXLNK_TGT_F=['-o','']
conf.env.CCLNK_TGT_F=['-o','']
conf.env.append_value('LINKFLAGS',['-Wl,--enable-auto-import'])
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