xref: /aosp_15_r20/external/harfbuzz_ng/src/gen-harfbuzzcc.py (revision 2d1272b857b1f7575e6e246373e1cb218663db8a)
1*2d1272b8SAndroid Build Coastguard Worker#!/usr/bin/env python3
2*2d1272b8SAndroid Build Coastguard Worker
3*2d1272b8SAndroid Build Coastguard Worker"This tool is intended to be used from meson"
4*2d1272b8SAndroid Build Coastguard Worker
5*2d1272b8SAndroid Build Coastguard Workerimport os, sys, shutil
6*2d1272b8SAndroid Build Coastguard Worker
7*2d1272b8SAndroid Build Coastguard Workerif len (sys.argv) < 3:
8*2d1272b8SAndroid Build Coastguard Worker	sys.exit (__doc__)
9*2d1272b8SAndroid Build Coastguard Worker
10*2d1272b8SAndroid Build Coastguard WorkerOUTPUT = sys.argv[1]
11*2d1272b8SAndroid Build Coastguard WorkerCURRENT_SOURCE_DIR = sys.argv[2]
12*2d1272b8SAndroid Build Coastguard Worker
13*2d1272b8SAndroid Build Coastguard Worker# make sure input files are unique
14*2d1272b8SAndroid Build Coastguard Workersources = sorted(set(sys.argv[3:]))
15*2d1272b8SAndroid Build Coastguard Worker
16*2d1272b8SAndroid Build Coastguard Workerwith open (OUTPUT, "wb") as f:
17*2d1272b8SAndroid Build Coastguard Worker	f.write ("".join ('#include "{}"\n'.format (os.path.relpath (os.path.abspath (x), CURRENT_SOURCE_DIR)) for x in sources if x.endswith (".cc")).encode ())
18*2d1272b8SAndroid Build Coastguard Worker
19*2d1272b8SAndroid Build Coastguard Worker# copy it also to the source tree, but only if it has changed
20*2d1272b8SAndroid Build Coastguard Workerbaseline_filename = os.path.join (CURRENT_SOURCE_DIR, os.path.basename (OUTPUT))
21*2d1272b8SAndroid Build Coastguard Workerwith open(baseline_filename, "rb") as baseline:
22*2d1272b8SAndroid Build Coastguard Worker	with open(OUTPUT, "rb") as generated:
23*2d1272b8SAndroid Build Coastguard Worker		if baseline.read() != generated.read():
24*2d1272b8SAndroid Build Coastguard Worker			shutil.copyfile (OUTPUT, baseline_filename)
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