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4f0def9b2c
haproxy has a runtime test to verify that it is built with -fwrapv:
haproxy
FATAL ERROR: invalid code detected -- cannot go further, please recompile!
The source code was miscompiled by the compiler, which usually indicates that
some of the CFLAGS needed to work around overzealous compiler optimizations
were overwritten at build time. Please do not force CFLAGS, and read Makefile
and INSTALL files to decide on the best way to pass your local build options.
Build options :
TARGET = custom
CPU = generic
CC = /home/peko/source/buildroot/output-haproxy/host/bin/arm-linux-gcc
CFLAGS = -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -D_FORTIFY_SOURCE=1 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -D_FORTIFY_SOURCE=1
OPTIONS = USE_THREAD=1 USE_DL=1
DEBUG = -DDEBUG_STRICT -DDEBUG_MEMORY_POOLS
Which comes from:
https://github.com/haproxy/haproxy/blob/v2.6.0/src/haproxy.c#L3008-L3037
So build it with -fwrapv to fix that.
Notice that this message also embeds the build path (through CC), breaking
reproducible builds.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 94aa7f40b5)
Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>