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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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15
scripts/tracetool/__init__.py
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@ -12,12 +12,14 @@ __maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@redhat.com"
import os
import re
import sys
import weakref
from pathlib import PurePath
import tracetool.format
import tracetool.backend
import tracetool.format
def error_write(*lines):
@ -36,7 +38,7 @@ out_fobj = sys.stdout
def out_open(filename):
global out_filename, out_fobj
out_filename = filename
out_filename = posix_relpath(filename)
out_fobj = open(filename, 'wt')
def out(*lines, **kwargs):
@ -308,7 +310,7 @@ class Event(object):
fmt = [fmt_trans, fmt]
args = Arguments.build(groups["args"])
return Event(name, props, fmt, args, lineno, filename)
return Event(name, props, fmt, args, lineno, posix_relpath(filename))
def __repr__(self):
"""Evaluable string representation for this object."""
@ -447,3 +449,10 @@ def generate(events, group, format, backends,
tracetool.backend.dtrace.PROBEPREFIX = probe_prefix
tracetool.format.generate(events, format, backend, group)
def posix_relpath(path, start=None):
try:
path = os.path.relpath(path, start)
except ValueError:
pass
return PurePath(path).as_posix()