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# Copyright 2012-2017 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import subprocess, os.path |
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from .. import mlog |
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from ..mesonlib import EnvironmentException, Popen_safe |
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from .compilers import Compiler, cuda_buildtype_args |
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class CudaCompiler(Compiler): |
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def __init__(self, exelist, version, is_cross, exe_wrapper=None): |
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# If a child ObjCPP class has already set it, don't set it ourselves |
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if not hasattr(self, 'language'): |
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self.language = 'cuda' |
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super().__init__(exelist, version) |
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self.is_cross = is_cross |
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self.exe_wrapper = exe_wrapper |
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self.id = 'nvcc' |
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default_warn_args = [] |
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self.warn_args = {'1': default_warn_args, |
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'2': default_warn_args + ['-Wextra'], |
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'3': default_warn_args + ['-Wextra', '-Wpedantic']} |
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def needs_static_linker(self): |
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return False |
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def get_display_language(self): |
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return 'Cuda' |
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def get_no_stdinc_args(self): |
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return [''] |
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def sanity_check(self, work_dir, environment): |
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source_name = os.path.join(work_dir, 'sanitycheckcuda.cu') |
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binary_name = os.path.join(work_dir, 'sanitycheckcuda') |
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extra_flags = self.get_cross_extra_flags(environment, link=False) |
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if self.is_cross: |
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extra_flags += self.get_compile_only_args() |
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code = ''' |
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#include <stdio.h> |
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int main(int argc,char** argv){ |
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return 0; |
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} |
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''' |
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with open(source_name, 'w') as ofile: |
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ofile.write(code) |
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pc = subprocess.Popen(self.exelist + extra_flags + [source_name, '-o', binary_name]) |
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pc.wait() |
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if pc.returncode != 0: |
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raise EnvironmentException('Cuda compiler %s can not compile programs.' % self.name_string()) |
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if self.is_cross: |
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# Can't check if the binaries run so we have to assume they do |
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return |
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pe = subprocess.Popen(binary_name) |
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pe.wait() |
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if pe.returncode != 0: |
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raise EnvironmentException('Executables created by ObjC compiler %s are not runnable.' % self.name_string()) |
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def get_compiler_check_args(self): |
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return super().get_compiler_check_args() + [] |
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def has_header_symbol(self, hname, symbol, prefix, env, extra_args=None, dependencies=None): |
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if super().has_header_symbol(hname, symbol, prefix, env, extra_args, dependencies): |
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return True |
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if extra_args is None: |
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extra_args = [] |
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fargs = {'prefix': prefix, 'header': hname, 'symbol': symbol} |
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t = '''{prefix} |
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#include <{header}> |
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using {symbol}; |
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int main () {{ return 0; }}''' |
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return self.compiles(t.format(**fargs), env, extra_args, dependencies) |
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def sanity_check_impl(self, work_dir, environment, sname, code): |
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mlog.debug('Sanity testing ' + self.get_display_language() + ' compiler:', ' '.join(self.exelist)) |
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mlog.debug('Is cross compiler: %s.' % str(self.is_cross)) |
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extra_flags = [] |
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source_name = os.path.join(work_dir, sname) |
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binname = sname.rsplit('.', 1)[0] |
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if self.is_cross: |
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binname += '_cross' |
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if self.exe_wrapper is None: |
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# Linking cross built apps is painful. You can't really |
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# tell if you should use -nostdlib or not and for example |
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# on OSX the compiler binary is the same but you need |
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# a ton of compiler flags to differentiate between |
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# arm and x86_64. So just compile. |
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extra_flags += self.get_cross_extra_flags(environment, link=False) |
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extra_flags += self.get_compile_only_args() |
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else: |
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extra_flags += self.get_cross_extra_flags(environment, link=True) |
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# Is a valid executable output for all toolchains and platforms |
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binname += '.exe' |
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# Write binary check source |
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binary_name = os.path.join(work_dir, binname) |
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with open(source_name, 'w') as ofile: |
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ofile.write(code) |
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# Compile sanity check |
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cmdlist = self.exelist + extra_flags + [source_name] + self.get_output_args(binary_name) |
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pc, stdo, stde = Popen_safe(cmdlist, cwd=work_dir) |
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mlog.debug('Sanity check compiler command line:', ' '.join(cmdlist)) |
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mlog.debug('Sanity check compile stdout:') |
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mlog.debug(stdo) |
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mlog.debug('-----\nSanity check compile stderr:') |
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mlog.debug(stde) |
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mlog.debug('-----') |
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if pc.returncode != 0: |
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raise EnvironmentException('Compiler {0} can not compile programs.'.format(self.name_string())) |
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# Run sanity check |
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if self.is_cross: |
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if self.exe_wrapper is None: |
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# Can't check if the binaries run so we have to assume they do |
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return |
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cmdlist = self.exe_wrapper + [binary_name] |
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else: |
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cmdlist = [binary_name] |
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mlog.debug('Running test binary command: ' + ' '.join(cmdlist)) |
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pe = subprocess.Popen(cmdlist) |
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pe.wait() |
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if pe.returncode != 0: |
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raise EnvironmentException('Executables created by {0} compiler {1} are not runnable.'.format(self.language, self.name_string())) |
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def get_output_args(self, target): |
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return ['-o', target] |
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def name_string(self): |
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return ' '.join(self.exelist) |
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def get_dependency_gen_args(self, outtarget, outfile): |
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return [] |
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def get_compile_only_args(self): |
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return ['-c'] |
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def get_no_optimization_args(self): |
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return ['-O0'] |
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def get_linker_exelist(self): |
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return self.exelist[:] |
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def get_linker_output_args(self, outputname): |
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return ['-o', outputname] |
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def get_warn_args(self, level): |
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return self.warn_args[level] |
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def get_buildtype_args(self, buildtype): |
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return cuda_buildtype_args[buildtype] |
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def get_include_args(self, path, is_system): |
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if path == '': |
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path = '.' |
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return ['-I' + path] |
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def depfile_for_object(self, objfile): |
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return objfile + '.' + self.get_depfile_suffix() |
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def get_depfile_suffix(self): |
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return 'd' |
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def get_buildtype_linker_args(self, buildtype): |
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return [] |
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def get_std_exe_link_args(self): |
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return [] |
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def build_rpath_args(self, build_dir, from_dir, rpath_paths, build_rpath, install_rpath): |
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return [] |
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def get_linker_search_args(self, dirname): |
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return ['/LIBPATH:' + dirname] |
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def linker_to_compiler_args(self, args): |
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return ['/link'] + args |
@ -0,0 +1,5 @@ |
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project('simple', 'cuda', version : '1.0.0') |
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exe = executable('prog', 'prog.cu') |
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test('cudatest', exe) |
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@ -0,0 +1,13 @@ |
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#include <stdio.h> |
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#include <iostream> |
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__global__ void kernel (void){ |
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} |
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int main( void ) { |
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kernel<<<1,1>>>(); |
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printf( "Hello, World!\n" ); |
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return 0; |
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} |
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