Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.kernel > #85345

Bug#1094244: FTCBFS amd64 -> arm64: cc: error: unrecognized command-line option ‘-mbranch-protection=standard’

Cross-posted to 2 groups.

Show all headers | View raw

Control: tags -1 + upstream

Hi

On Sun, Jan 26, 2025 at 02:44:44PM +0100, Johannes Schauer Marin Rodrigues wrote:
> Package: linux
> Version: 6.13~rc7-1~exp1
> Severity: normal
> User: debian-cross@lists.debian.org
> Usertags: ftcbfs
> 
> Hi,
> 
> linux 6.13~rc7-1~exp1 fails to cross build from source with build=amd64 and
> host=arm64 like this:
> 
> cc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -Wdate-time -D_FORTIFY_SOURCE=2 -I/<<PKGBUILDDIR>>/tools/power/cpupower -I/<<PKGBUILDDIR>>/debian/build/build-tools/tools/power/cpupower -I/<<PKGBUILDDIR>>/scripts/include -isystem /<<PKGBUILDDIR>>/debian/build/build-tools/include -DVERSION=\"6.13\" -DPACKAGE=\"cpupower\" -DPACKAGE_BUGREPORT=\"Debian\ \(reportbug\ linux-cpupower\)\" -D_GNU_SOURCE -pipe -DNLS -Wall -Wchar-subscripts -Wpointer-arith -Wsign-compare -Wno-pointer-sign -Wdeclaration-after-statement -Wshadow -Os -fomit-frame-pointer -fPIC -o /<<PKGBUILDDIR>>/debian/build/build-tools/tools/power/cpupower/lib/cpufreq.o -c lib/cpufreq.c
> make[4]: *** [Makefile:193: /<<PKGBUILDDIR>>/debian/build/build-tools/tools/power/cpupower/lib/cpufreq.o] Error 1
> cc: error: unrecognized command-line option ‘-mbranch-protection=standard’
> 
> This is a regression introduced by this upstream commit: f79473ed922023942407da25cb00843ac28b981c
> Reverting it fixes the problem. The commit essentially replaces LD=$(CROSS)gcc
> with LD?=$(CROSS)gcc so that the flags can be overridden. From the commit
> message:
> 
>     pm: cpupower: Makefile: Allow overriding cross-compiling env params
>     
>     Allow overriding the cross-comple env parameters to make it
>     easier for Yocto users. Then cross-compiler toolchains to build
>     cpupower with only two steps:
>     - source (toolchain path)/environment-setup-armv8a-poky-linux
>     - make
> 
> I suspect that the Debian packaging can fix this by not overriding these
> settings with the wrong values?

This should be fixed upstream with 3075476a7af6 ("pm: cpupower:
Makefile: Fix cross compilation") .

Regards,
Salvatore

Back to linux.debian.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Bug#1094244: FTCBFS amd64 -> arm64: cc: error: unrecognized command-line option ‘-mbranch-protection=standard’ Johannes Schauer Marin Rodrigues <josch@debian.org> - 2025-01-26 14:50 +0100
  Bug#1094244: FTCBFS amd64 -> arm64: cc: error: unrecognized command-line option ‘-mbranch-protection=standard’ Salvatore Bonaccorso <carnil@debian.org> - 2025-02-01 18:00 +0100
    Bug#1094244: FTCBFS amd64 -> arm64: cc: error: unrecognized command-line option ‘-mbranch-protection=standard’ Johannes Schauer Marin Rodrigues <josch@debian.org> - 2025-02-01 20:50 +0100
  Processed: Re: Bug#1094244: FTCBFS amd64 -> arm64: cc: error:  unrecognized command-line option ‘-mbranch-protection=standard’ "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-02-01 18:00 +0100
  Bug#1094244: marked as done (FTCBFS amd64 -> arm64: cc: error:  unrecognized command-line option ‘-mbranch-protection=standard’) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-02-09 10:10 +0100

csiph-web