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| @@ -74,6 +74,18 @@ def get_preprocessor(): · 73 unmodified lines | |||
| 74 | cpp_cmd = compiler.cc.split() | 74 | cpp_cmd = compiler.cc.split() |
| 75 | cpp_cmd += ['-E'] | 75 | cpp_cmd += ['-E'] |
| 76 | 76 | ||
| 77 | # On win-amd64 (py3.x), the default compiler is cross-compiling, from x86 | ||
| 78 | # to amd64 with %WIN_SDK_ROOT%\x86_amd64\cl.exe, but using this binary as a | ||
| 79 | # pre-processor generates no output, so we use %WIN_SDK_ROOT%\cl.exe | ||
| 80 | # instead. | ||
| 81 | if len(cpp_cmd) > 1 and 'cl.exe' in cpp_cmd[-2]: | ||
| 82 | plat = os.path.basename(os.path.dirname(cpp_cmd[-2])) | ||
| 83 | if plat == 'x86_amd64': | ||
| 84 | print('workaround on win64 to avoid empty pre-processor output') | ||
| 85 | cpp_cmd[-2] = cpp_cmd[-2].replace('x86_amd64', '') | ||
| 86 | elif True in ['amd64' in f for f in cpp_cmd]: | ||
| 87 | print('warning: not using workaround for', cpp_cmd[0], plat) | ||
| 88 | |||
| 77 | if not cpp_cmd: | 89 | if not cpp_cmd: |
| 78 | print("Warning: could not guess preprocessor, using env's CC") | 90 | print("Warning: could not guess preprocessor, using env's CC") |
| 79 | cpp_cmd = os.environ.get('CC', 'cc').split() | 91 | cpp_cmd = os.environ.get('CC', 'cc').split() |