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meson: fix Windows build

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The build fails on Windows. Replace calls to Unix programs like ´cat´,
´sed´ and ´true´ with calls to ´python´ and wrap calls to
´os.path.relpath´ in try-except because it can fail when the two paths
are on different drives. Make sure to convert the Windows paths to Unix
paths to prevent warnings in generated files.

Signed-off-by: oltolm <oleg.tolmatcev@gmail.com>
Message-id: 20250612221521.1109-2-oleg.tolmatcev@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
oltolm 2025-06-13 00:15:22 +02:00 • committed by Stefan Hajnoczi
parent a6f0227759
commit 9761ad5f65
10 changed files with 23 additions and 19 deletions
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5
trace/meson.build
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@ -4,7 +4,7 @@ trace_events_files = []
foreach item : [ '.' ] + trace_events_subdirs + qapi_trace_events
if item in qapi_trace_events
trace_events_file = item
group_name = item.full_path().split('/')[-1].underscorify()
group_name = fs.name(item).underscorify()
else
trace_events_file = meson.project_source_root() / item / 'trace-events'
group_name = item == '.' ? 'root' : item.underscorify()
@ -57,10 +57,11 @@ foreach item : [ '.' ] + trace_events_subdirs + qapi_trace_events
endif
endforeach
cat = [ python, '-c', 'import fileinput; [print(line, end="") for line in fileinput.input()]', '@INPUT@' ]
trace_events_all = custom_target('trace-events-all',
output: 'trace-events-all',
input: trace_events_files,
command: [ 'cat', '@INPUT@' ],
command: cat,
capture: true,
install: get_option('trace_backends') != [ 'nop' ],
install_dir: qemu_datadir)