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Make to-array.py list itself as a dependency of its outputs

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This causes these dependencies to be rebuilt if the script chanages, which is heaps better than having to remember to clean the build directory every time.
This commit is contained in:
Tamás Bálint Misius 2024-08-07 10:20:43 +02:00
parent 295aad1800
commit 281dbfa283
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GPG Key ID: 5B472A12F6ECA9F2
2 changed files with 19 additions and 1 deletions
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3
meson.build
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@ -22,7 +22,8 @@ fs = import('fs')
to_array = generator(
python3_prog,
output: [ '@PLAINNAME@.cpp', '@PLAINNAME@.h' ],
arguments: [ join_paths(meson.current_source_dir(), 'resources/to-array.py'), '@OUTPUT0@', '@OUTPUT1@', '@INPUT@', '@EXTRA_ARGS@' ]
depfile: '@PLAINNAME@.dep',
arguments: [ join_paths(meson.current_source_dir(), 'resources/to-array.py'), '@OUTPUT0@', '@OUTPUT1@', '@DEPFILE@', '@INPUT@', '@EXTRA_ARGS@' ]
)
render_icons_with_inkscape = get_option('render_icons_with_inkscape')

17
resources/to-array.py
View File

@ -1,13 +1,17 @@
import os
import sys
(
script,
output_cpp_path,
output_h_path,
output_dep_path,
input_path,
symbol_name,
) = sys.argv
script_path = os.path.realpath(__file__)
with open(input_path, 'rb') as input_f:
data = input_f.read()
data_size = len(data)
@ -26,3 +30,16 @@ with open(output_h_path, 'w') as output_h_f:
extern const unsigned char {symbol_name}[];
extern const unsigned int {symbol_name}_size;
''')
def dep_escape(s):
t = ''
for c in s:
if c in [ ' ', '\n', '\\', ':', '$' ]:
t += '$'
t += c
return t
with open(output_dep_path, 'w') as output_dep_f:
output_dep_f.write(f'''
{dep_escape(output_cpp_path)} {dep_escape(output_h_path)}: {dep_escape(input_path)} {dep_escape(script_path)}
''')