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