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generator.process() doesn't handle custom target/index from subdirectories correctly #13168
Description
meson (a0ff145 in my case, but the bug is older) with the ninja backend doesn't correctly handle generator.process() being used to process a generated file, if that file is in a subdirectory. It looks like something looses track of the path for the generated file.
meson.build:
project('testme',
['c'],
)
touch = find_program('touch')
subdir('include')
gen = generator(
touch,
arguments: ['@OUTPUT@'],
output: '@[email protected]'
)
custom_target('check-headers.stamp',
command: [touch, '@INPUT@'],
input: gen.process(test_header),
output: 'check-headers.stamp',
build_by_default: true,
)include/meson.build:
test_header = custom_target(
output: 'test_header.h',
command: [touch, '@OUTPUT@']
)Test:
$ m setup build && ninja -C build
...
ninja: error: 'test_header.h', needed by 'check-headers.stamp.p/test_header.h.t', missing and no known rule to make itThe problem is that test_header.h.t omitted the path in the dependency on test_header.h:
$ grep -E 'test_header.h(.t|):' build/build.ninja
build include/test_header.h: CUSTOM_COMMAND | /usr/bin/touch
build check-headers.stamp.p/test_header.h.t: CUSTOM_COMMAND test_header.h | /usr/bin/touch
Activity
tristan957 commentedon May 2, 2024
Investigating
Use correct subdir when generating processed file path
Use correct subdir when generating processed file path
Use correct subdir when generating processed file path
tristan957 commentedon May 2, 2024
#13170
Use correct subdir when generating processed file path
Use correct subdir when generating processed file path
Use correct subdir when generating processed file path
anarazel commentedon May 8, 2024
Thanks!
Use correct subdir when generating processed file path
Use correct subdir when generating processed file path
Use correct subdir when generating processed file path