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#!/bin/sh
# Compare semantically pc files between two dirs, with same relative
# pathnames, say one generated by autotools, the other one generated
# by meson, by not requesting lexical identity but by
# checking that the same vars are available, and that they eventually
# have the same definition, whatever way (with whatever pkconf
# variable) they have been expressed.
#
# Copyright 2024 Thierry LARONDE <tlaronde@kergis.com>
# SPDX-License-Identifier: MIT
# Pc file paths have to be given fully qualified to be independent
# from PKG_CONFIG_LIBDIR and PKG_CONFIG_PATH definition.
#
test $# -eq 2 && test -d "$1" && test -d "$2"\
&& test "${1#/}" != "$1" && test "${2#/}" != "$2" || {
echo "Usage: $(basename $0) fqdir1 fqdir2" >&2
exit 1
}
: ${TMPDIR:=/tmp}
log() {
printf "$@" >&2
}
cleantmp() {
rm "$TMPDIR"/$$.*
}
dir1="$1"
dir2="$2"
# Start by simply comparing the list of pc files between the two dirs.
#
(cd "$dir1"; find . -type f -name "*.pc") | sort > "$TMPDIR/$$.1"
(cd "$dir2"; find . -type f -name "*.pc") | sort > "$TMPDIR/$$.2"
cmp "$TMPDIR/$$.1" "$TMPDIR/$$.2" 2>/dev/null || {
log "Pc files not matching between %s and %s:\n" "$dir1" "$dir2"
diff -u "$TMPDIR/$$.1" "$TMPDIR/$$.2" >&2
cleantmp
exit 1
}
status=0
while read pcfile; do
pcfile=${pcfile#./}
ifile=0
for pc in "$dir1/$pcfile" "$dir2/$pcfile"; do
ifile=$(($ifile + 1))
pkgconf --print-variables "$pc"\
| sort\
| while read var; do
test "$var" != "pcfiledir" || continue
pkgconf --variable=$var "$pc"\
| sed "s!^!$var=!"
done >"$TMPDIR/$$.pc$ifile"
done
if ! cmp "$TMPDIR/$$.pc1" "$TMPDIR/$$.pc2" 2>/dev/null; then
log "!!! %s generated files differ:\n" "$pcfile"
diff -U0 "$TMPDIR/$$.pc1" "$TMPDIR/$$.pc2" >&2
status=$(($status + 1))
fi
done <"$TMPDIR/$$.1"
cleantmp
if test "$status" -ne 0; then
log "%d pc files in %s and %s differ semantically.\n" "$status" "$dir1" "$dir2"
exit 1
else
exit 0
fi
|
