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Date:      Sun, 3 May 2026 05:51:31 -0700
From:      Kevin Bowling <kevin.bowling@kev009.com>
To:        "Stephen J. Kiernan" <stevek@freebsd.org>
Cc:        src-committers@freebsd.org, dev-commits-src-all@freebsd.org,  dev-commits-src-main@freebsd.org
Subject:   Re: git: 01674e15dedb - main - bsd.endian.mk: Optimize the handling of big/little endian determination.
Message-ID:  <CAK7dMtAMjrf7ROEpGnATuQg4TrPaaMG4vcxQ5rSLSPjmYUNUYw@mail.gmail.com>
In-Reply-To: <69f6b1ec.181e8.27d0b938@gitrepo.freebsd.org>
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On Sat, May 2, 2026 at 7:24 PM Stephen J. Kiernan <stevek@freebsd.org> wrote:
>
> The branch main has been updated by stevek:
>
> URL: https://cgit.FreeBSD.org/src/commit/?id=01674e15dedb15f8ce498af0680c50bb075c5482
>
> commit 01674e15dedb15f8ce498af0680c50bb075c5482
> Author:     Stephen J. Kiernan <stevek@FreeBSD.org>
> AuthorDate: 2024-04-03 23:25:19 +0000
> Commit:     Stephen J. Kiernan <stevek@FreeBSD.org>
> CommitDate: 2026-05-03 02:21:56 +0000
>
>     bsd.endian.mk: Optimize the handling of big/little endian determination.
>
>     Add variables to contain lists of MACHINE_ARCH values to use
>     to determine little or big endian.
>
>     Only error out about not being able to determine endianess if
>     TARGET_ENDIANNESS is empty and not cross-compiling.
>
>     Reviewed by:    sjg
>     Obtained from:  Hewlett Packard Enterprise Development LP
>     Differential Revision:  https://reviews.freebsd.org/D44629
> ---
>  share/mk/bsd.endian.mk | 39 +++++++++++++++++++++++++++++----------
>  1 file changed, 29 insertions(+), 10 deletions(-)
>
> diff --git a/share/mk/bsd.endian.mk b/share/mk/bsd.endian.mk
> index 0c5ebb7aeba2..2a617a1d2794 100644
> --- a/share/mk/bsd.endian.mk
> +++ b/share/mk/bsd.endian.mk
> @@ -1,20 +1,35 @@
>
> -.if ${MACHINE_CPUARCH} == "aarch64" || \
> -    ${MACHINE_CPUARCH} == "arm" || \
> -    ${MACHINE_ARCH} == "amd64" || \
> -    ${MACHINE_ARCH} == "i386" || \
> -    ${MACHINE_ARCH} == "powerpc64le" || \
> -    ${MACHINE_CPUARCH} == "riscv"
> +MACHINE_ARCH_LIST.little = \
> +       aarch64 \
> +       amd64 \
> +       armv7 \
> +       i386 \
> +       powerpc64le \
> +       riscv*
> +
> +MACHINE_ARCH_LIST.big = \
> +       powerpc \
> +       powerpc64
> +
> +.for e in big little
> +N_$e:= ${MACHINE_ARCH_LIST.$e:${M_ListToSkip}}
> +.endfor
> +
> +# For the host, we need to look at the host architecture
> +.if ${MACHINE:Nhost*} == ""
> +_ENDIAN_ARCH=${_HOST_ARCH}
> +.else
> +_ENDIAN_ARCH=${MACHINE_ARCH}
> +.endif
> +
> +.if ${_ENDIAN_ARCH:${N_little}} == ""
>  TARGET_ENDIANNESS= 1234
>  CAP_MKDB_ENDIAN= -l
>  LOCALEDEF_ENDIAN= -l
> -.elif ${MACHINE_ARCH} == "powerpc" || \
> -    ${MACHINE_ARCH} == "powerpc64"
> +.elif ${_ENDIAN_ARCH:${N_big}} == ""
>  TARGET_ENDIANNESS= 4321
>  CAP_MKDB_ENDIAN= -b
>  LOCALEDEF_ENDIAN= -b
> -.elif ${.MAKE.OS} == "FreeBSD"
> -.error Don't know the endian of this architecture
>  .else
>  #
>  # During bootstrapping on !FreeBSD OSes, we need to define some value.  Short of
> @@ -33,3 +48,7 @@ TARGET_ENDIANNESS= 1234
>  CAP_MKDB_ENDIAN= -B    # Poisoned value, invalid flags for both cap_mkdb
>  LOCALEDEF_ENDIAN= -B   # and localedef.
>  .endif
> +
> +.if empty(TARGET_ENDIANNESS) && ${.MAKE.OS} == "FreeBSD"
> +.error Don't know the endianness of this architecture
> +.endif

This might be breaking poudriere pkg builds i.e.   graphics/drm-66-kmod:

make[1]: /usr/share/mk/bsd.endian.mk:25: Unknown modifier ":aarch64
amd64  armv7  i386  powerpc64le  riscv*"
       while evaluating indirect modifiers "aarch64  amd64  armv7
i386  powerpc64le  riscv*"
       while evaluating variable "_ENDIAN_ARCH" with value "amd64"
       in /usr/share/mk/bsd.endian.mk:25
       in .for loop from /usr/share/mk/bsd.compiler.mk:160 with cc =
CC, X_ = ${_empty_var_}
       in /usr/share/mk/bsd.own.mk:297
       in /usr/share/mk/bsd.init.mk:21
       in /usr/src/sys/conf/kern.opts.mk:21
       in /wrkdirs/usr/ports/graphics/drm-66-kmod/work/drm-kmod-drm_v6.6.25_10/Makefile:4
       in make[1] in directory
"/wrkdirs/usr/ports/graphics/drm-66-kmod/work/drm-kmod-drm_v6.6.25_10"
make[1]: /usr/share/mk/bsd.endian.mk:53: Don't know the endianness of
this architecture
       in .for loop from /usr/share/mk/bsd.compiler.mk:160 with cc =
CC, X_ = ${_empty_var_}
       in /usr/share/mk/bsd.own.mk:297
       in /usr/share/mk/bsd.init.mk:21
       in /usr/src/sys/conf/kern.opts.mk:21
       in /wrkdirs/usr/ports/graphics/drm-66-kmod/work/drm-kmod-drm_v6.6.25_10/Makefile:4
       in make[1] in directory
"/wrkdirs/usr/ports/graphics/drm-66-kmod/work/drm-kmod-drm_v6.6.25_10"

make[1]: stopped making "obj" in
/wrkdirs/usr/ports/graphics/drm-66-kmod/work/drm-kmod-drm_v6.6.25_10
*** Error code 1
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