mirror of
https://git.tukaani.org/xz.git
synced 2025-02-23 08:58:31 +00:00
bd35d903a0
Symbol versioning is enabled by default on GNU/Linux, other GNU-based systems, and FreeBSD. I'm not sure how stable this is, so it may need backward-incompatible changes before the next release. The idea is that alpha and beta symbols are considered unstable and require recompiling the applications that use those symbols. Once a symbol is stable, it may get extended with new features in ways that don't break compatibility with older ABI & API. The mydist target runs validate_map.sh which should catch some probable problems in liblzma.map. Otherwise I would forget to update the map file for new releases.
69 lines
1.5 KiB
Bash
69 lines
1.5 KiB
Bash
#!/bin/sh
|
|
|
|
###############################################################################
|
|
#
|
|
# Check liblzma.map for certain types of errors
|
|
#
|
|
# Author: Lasse Collin
|
|
#
|
|
# This file has been put into the public domain.
|
|
# You can do whatever you want with this file.
|
|
#
|
|
###############################################################################
|
|
|
|
LC_ALL=C
|
|
export LC_ALL
|
|
|
|
STATUS=0
|
|
|
|
cd "$(dirname "$0")"
|
|
|
|
# Get the list of symbols that aren't defined in liblzma.map.
|
|
SYMS=$(sed -n 's/^extern LZMA_API([^)]*) \([a-z0-9_]*\)(.*$/\1;/p' \
|
|
api/lzma/*.h \
|
|
| sort \
|
|
| grep -Fve "$(sed '/[{}:*]/d;/^$/d;s/^ //' liblzma.map)")
|
|
|
|
# Check that there are no old alpha or beta versions listed.
|
|
VER=$(cd ../.. && sh build-aux/version.sh)
|
|
NAMES=
|
|
case $VER in
|
|
*alpha | *beta)
|
|
NAMES=$(sed -n 's/^.*XZ_\([^ ]*\)\(alpha\|beta\) .*$/\1\2/p' \
|
|
liblzma.map | grep -Fv "$VER")
|
|
;;
|
|
esac
|
|
|
|
# Check for duplicate lines. It can catch missing dependencies.
|
|
DUPS=$(sort liblzma.map | sed '/^$/d;/^global:$/d' | uniq -d)
|
|
|
|
# Print error messages if needed.
|
|
if test -n "$SYMS$NAMES$DUPS"; then
|
|
echo
|
|
echo 'validate_map.sh found problems from liblzma.map:'
|
|
echo
|
|
|
|
if test -n "$SYMS"; then
|
|
echo 'liblzma.map lacks the following symbols:'
|
|
echo "$SYMS"
|
|
echo
|
|
fi
|
|
|
|
if test -n "$NAMES"; then
|
|
echo 'Obsolete alpha or beta version names:'
|
|
echo "$NAMES"
|
|
echo
|
|
fi
|
|
|
|
if test -n "$DUPS"; then
|
|
echo 'Duplicate lines:'
|
|
echo "$DUPS"
|
|
echo
|
|
fi
|
|
|
|
STATUS=1
|
|
fi
|
|
|
|
# Exit status is 1 if problems were found, 0 otherwise.
|
|
exit "$STATUS"
|