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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>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at https://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches