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https://github.com/kovidgoyal/kitty.git
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Use dependency mapping when doing incremental builds
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parent
b5b9a7ba6d
commit
af99c172fe
25
setup.py
25
setup.py
@ -209,6 +209,27 @@ def newer(dest, *sources):
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return False
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def dependecies_for(src, obj, all_headers):
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dep_file = obj.rpartition('.')[0] + '.d'
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try:
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deps = open(dep_file).read().splitlines()
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except FileNotFoundError:
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yield src
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yield from iter(all_headers)
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else:
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for line in deps:
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if ':' in line:
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continue
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line = line.rstrip('\\')
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parts = line.split(' ')
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for part in parts:
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part = part.strip()
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if part:
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path = os.path.abspath(part.strip())
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if path.startswith(base):
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yield path
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def compile_c_extension(module, incremental, sources, headers):
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prefix = os.path.basename(module)
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objects = [
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@ -223,8 +244,8 @@ def compile_c_extension(module, incremental, sources, headers):
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cflgs.extend(map(define, defines))
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src = os.path.join(base, src)
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if not incremental or newer(dest, src, *headers):
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run_tool([cc] + cflgs + ['-c', src] + ['-o', dest])
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if not incremental or newer(dest, *dependecies_for(src, dest, headers)):
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run_tool([cc, '-MMD'] + cflgs + ['-c', src] + ['-o', dest])
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dest = os.path.join(base, module + '.so')
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if not incremental or newer(dest, *objects):
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run_tool([cc] + ldflags + objects + ldpaths + ['-o', dest])
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