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waf/playground/cuda/cuda.py

64 lines
1.7 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2010
"cuda"
from waflib import Task
from waflib.TaskGen import extension
from waflib.Tools import ccroot, c_preproc
from waflib.Configure import conf
class cuda(Task.Task):
run_str = '${NVCC} ${CUDAFLAGS} ${NVCCFLAGS_ST:CXXFLAGS} ${FRAMEWORKPATH_ST:FRAMEWORKPATH} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${CXX_SRC_F}${SRC} ${CXX_TGT_F} ${TGT}'
color = 'GREEN'
ext_in = ['.h']
vars = ['CCDEPS']
scan = c_preproc.scan
shell = False
@extension('.cu', '.cuda')
def c_hook(self, node):
return self.create_compiled_task('cuda', node)
@extension('.cpp')
def cxx_hook(self, node):
# override processing for one particular type of file
if getattr(self, 'cuda', False):
return self.create_compiled_task('cuda', node)
else:
return self.create_compiled_task('cxx', node)
def configure(conf):
conf.find_program('nvcc', var='NVCC')
conf.find_cuda_libs()
conf.env.NVCCFLAGS_ST = "--compiler-options=%s"
@conf
def find_cuda_libs(self):
"""
find the cuda include and library folders
use ctx.program(source='main.c', target='app', use='CUDA CUDART')
"""
if not self.env.NVCC:
self.fatal('check for nvcc first')
d = self.root.find_node(self.env.NVCC[0]).parent.parent
node = d.find_node('include')
_includes = node and node.abspath() or ''
_libpath = []
for x in ('lib64', 'lib64/stubs', 'lib', 'lib/stubs'):
try:
_libpath.append(d.find_node(x).abspath())
except:
pass
# this should not raise any error
self.check_cxx(header='cuda.h', lib='cuda', libpath=_libpath, includes=_includes, msg='Checking for header cuda.h and library cuda')
self.check_cxx(header='cuda.h', lib='cudart', libpath=_libpath, includes=_includes, msg='Checking for header cuda.h and library cudart')