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https://github.com/jart/cosmopolitan.git
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ead3fc2b31
It turned out that specifying all SRCS and INCS as dependencies on the pattern rules for all headers, caused `make` memory usage to skyrocket from 40mb ot 160mb. This change also reduces the build graph another 4%.
27 lines
660 B
Python
Executable file
27 lines
660 B
Python
Executable file
#!/usr/bin/env python.com
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import os
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import re
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import sys
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def GetDeps(path):
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def Dive(path, depth, visited):
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sys.stdout.write('%s%s' % ('\t' * depth, path))
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if path in visited:
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sys.stdout.write(' cycle\n')
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return
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sys.stdout.write('\n')
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with open(path) as f:
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code = f.read()
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for dep in re.findall(r'[.#]include "([^"]+)"', code):
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Dive(dep, depth + 1, visited + [path])
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Dive(path, 0, [])
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sys.stdout.write('\n')
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for arg in sys.argv[1:]:
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if os.path.isdir(arg):
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for dirpath, dirs, files in os.walk(arg):
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for filepath in files:
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GetDeps(os.path.join(dirpath, filepath))
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else:
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GetDeps(arg)
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