Package: lz4
Version: 1.10.0-3
Severity: normal
Dear Maintainer,
The lz4 1.10.0-3 in Debian repo is compiled without multithreading support:
$ lz4 --help
*** lz4 v1.10.0 64-bit single-thread, by Yann Collet ***
Since lz4 >= 1.0 supports multithreading, please enable it with option
"-DLZ4IO_MULTITHREAD", i.e., modify rules as:
$ diff -uN debian/rules.old debian/rules
==============
--- debian/rules.old 2025-02-15 19:00:13.591852843 +0800
+++ debian/rules 2025-02-15 18:57:25.424893389 +0800
@@ -2,7 +2,7 @@
# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1
-CPPFLAGS:= $(shell dpkg-buildflags --get CPPFLAGS) -fvisibility=hidden
-DLZ4F_PUBLISH_STATIC_FUNCTIONS
+CPPFLAGS:= $(shell dpkg-buildflags --get CPPFLAGS) -fvisibility=hidden
-DLZ4F_PUBLISH_STATIC_FUNCTIONS -DLZ4IO_MULTITHREAD
CFLAGS:= $(shell dpkg-buildflags --get CFLAGS) $(CPPFLAGS)
CXXFLAGS:= $(shell dpkg-buildflags --get CXXFLAGS) $(CPPFLAGS)
LDFLAGS:= $(shell dpkg-buildflags --get LDFLAGS)
==============
With this:
$ lz4 -h
*** lz4 v1.10.0 64-bit multithread, by Yann Collet ***
Thank you very much.
-- System Information:
Debian Release: trixie/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 6.12.13-amd64 (SMP w/6 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE
not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages lz4 depends on:
ii libc6 2.40-6
ii liblz4-1 1.10.0-3
ii libxxhash0 0.8.3-2
lz4 recommends no packages.
lz4 suggests no packages.
-- no debconf information
--
Steven Shiau <steven _at_ stevenshiau org>
Public Key Server PGP Key ID: 4096R/163E3FB0
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