On Sun, 2024-08-18 at 14:31 -0400, Mike Gilbert wrote:
> The LUA variable points to a lua binary that is likely to be executed by
> the build system. Use BROOT for this.
> 
> Use ESYSROOT for the pkg-config symlink, since this is likely used for
> linking a library.
> 
> Signed-off-by: Mike Gilbert <floppym@gentoo.org>
> ---
>  eclass/lua-utils.eclass | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/eclass/lua-utils.eclass b/eclass/lua-utils.eclass
> index 0ff36734dc8f..c63ec369c1c2 100644
> --- a/eclass/lua-utils.eclass
> +++ b/eclass/lua-utils.eclass
> @@ -1,4 +1,4 @@
> -# Copyright 1999-2023 Gentoo Authors
> +# Copyright 1999-2024 Gentoo Authors
>  # Distributed under the terms of the GNU General Public License v2
>  
>  # @ECLASS: lua-utils.eclass
> @@ -144,18 +144,18 @@ _lua_wrapper_setup() {
>  		_lua_export "${impl}" ELUA LUA
>  
>  		# Lua interpreter
> -		ln -s "${EPREFIX}"/usr/bin/${ELUA} "${workdir}"/bin/lua || die
> +		ln -s "${LUA}" "${workdir}"/bin/lua || die
>  
>  		# Lua compiler, or a stub for it in case of luajit
>  		if [[ ${ELUA} == luajit ]]; then
>  			# Just in case
> -			ln -s "${EPREFIX}"/bin/true "${workdir}"/bin/luac || die
> +			ln -s "${BROOT}"/bin/true "${workdir}"/bin/luac || die
>  		else
> -			ln -s "${EPREFIX}"/usr/bin/${ELUA/a/ac} "${workdir}"/bin/luac || die
> +			ln -s "${BROOT}"/usr/bin/${ELUA/a/ac} "${workdir}"/bin/luac || die
>  		fi
>  
>  		# pkg-config
> -		ln -s "${EPREFIX}"/usr/$(get_libdir)/pkgconfig/${ELUA}.pc \
> +		ln -s "${ESYSROOT}"/usr/$(get_libdir)/pkgconfig/${ELUA}.pc \
>  			"${workdir}"/pkgconfig/lua.pc || die
>  	fi
>  
> @@ -264,7 +264,7 @@ _lua_export() {
>  				debug-print "${FUNCNAME}: ELUA = ${ELUA}"
>  				;;
>  			LUA)
> -				export LUA="${EPREFIX}"/usr/bin/${impl}
> +				export LUA="${BROOT}"/usr/bin/${impl}
>  				debug-print "${FUNCNAME}: LUA = ${LUA}"
>  				;;
>  			LUA_CFLAGS)

Looks good!