[PATCH] kbuild: Don't mandate gcc as the host compiler

[Mark Kettenis]

> From: Mark Kettenis <kettenis at openbsd.org>
> Date: Sat, 12 Jul 2025 12:45:58 +0200
> 
> Systems that use clang may not have gcc installed.  Set
> HOSTCC to cc and HOSTCXX to c++ like we did before to make those
> systems work again.
> 
> Fixes: 5f520875bdf0 ("kbuild: Bump the build system to 5.1")

Just realized I forgot my Signed-of-by tag.  So:

Signed-off-by: Mark Kettenis <kettenis at openbsd.org>

Or should I resend the patch with that included?

> ---
>  Makefile | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index e8f12716640..121ebd5c353 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -416,8 +416,8 @@ HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
>  HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
>  HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
>  
> -HOSTCC       = gcc
> -HOSTCXX      = g++
> +HOSTCC       = cc
> +HOSTCXX      = c++
>  KBUILD_HOSTCFLAGS   := -Wall -Wstrict-prototypes -O2 \
>  		-fomit-frame-pointer -std=gnu11 $(HOST_LFS_CFLAGS) \
>  		$(HOSTCFLAGS) #-Wmissing-prototypes Enable it and fix warnings
> -- 
> 2.49.0
> 
>