[Bug 2036757] Re: FTBFS: ‘-fcf-protection’ is not compatible with this target (i386)

[Julian Andres Klode]

WRT the patch, you should be providing a debdiff and not just a patch to
drop into debian/patches.

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Title:
  FTBFS: ‘-fcf-protection’ is not compatible with this target (i386)

Status in syslinux package in Ubuntu:
  New

Bug description:
  The build of syslinux 3:6.04~git20190206.bf6db5b4+dfsg1-3ubuntu1
  targeting amd64 is failing with the following error:

  
  gcc -MT bios.o -MD -MF ./.bios.o.d -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=/<<PKGBUILDDIR>>=/usr/src/syslinux-3:6.04~git20190206.bf6db5b4+dfsg1-3ubuntu1 -m32 -march=i386 -mpreferred-stack-boundary=2 -mincoming-stack-boundary=2 -ffreestanding -fno-stack-protector -fwrapv -freg-struct-return -Os -fomit-frame-pointer -mregparm=3 -DREGPARM=3 -msoft-float -fno-exceptions -fno-asynchronous-unwind-tables -fno-strict-aliasing -falign-functions=0 -falign-jumps=0 -falign-labels=0 -falign-loops=0 -fvisibility=hidden -g -W -Wall -Wstrict-prototypes  -Wno-sign-compare -fcommon  -I/<<PKGBUILDDIR>>/core/include -I/<<PKGBUILDDIR>>/com32/include -I/<<PKGBUILDDIR>>/com32/include/sys -I/<<PKGBUILDDIR>>/com32/lib -I/<<PKGBUILDDIR>>/core/lwip/src/include -I/<<PKGBUILDDIR>>/core/lwip/src/include/ipv4 -I/<<PKGBUILDDIR>>/core/fs/pxe -D__SYSLINUX_CORE__ -D__FIRMWARE_BIOS__ -I/<<PKGBUILDDIR>>/bios -DLDLINUX=\"ldlinux.c32\" -c -o bios.o /<<PKGBUILDDIR>>/core/bios.c
  cc1: error: ‘-fcf-protection’ is not compatible with this target
  make[5]: *** [/<<PKGBUILDDIR>>/mk/embedded.mk:66: bios.o] Error 1

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