Re: [gentoo-dev] [PATCH 3/3] lua-utils.eclass: Add lua_get_static_lib()

[David Seifert <soap@gentoo.org>]

On Mon, 2020-10-12 at 16:05 +0200, Marek Szuba wrote:
> For build systems which must be pointed directly to the relevant
> files,
> e.g. CMake.
> 
> Signed-off-by: Marek Szuba <marecki@gentoo.org>
> ---
>  eclass/lua-utils.eclass | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/eclass/lua-utils.eclass b/eclass/lua-utils.eclass
> index 100be14cb08..922f72b80d6 100644
> --- a/eclass/lua-utils.eclass
> +++ b/eclass/lua-utils.eclass
> @@ -329,6 +329,11 @@ _lua_export() {
>  				export LUA_SHARED_LIB="${val}".so
>  				debug-print "${FUNCNAME}:
> LUA_SHARED_LIB = ${LUA_SHARED_LIB}"
>  				;;
> +			LUA_STATIC_LIB)
> +				local val=$(_lua_get_library_file
> ${impl})
> +				export LUA_STATIC_LIB="${val}".a
> +				debug-print "${FUNCNAME}:
> LUA_STATIC_LIB = ${LUA_STATIC_LIB}"
> +				;;
>  			LUA_VERSION)
>  				local val
>  
> @@ -443,6 +448,25 @@ lua_get_shared_lib() {
>  	echo "${LUA_SHARED_LIB}"
>  }
>  
> +# @FUNCTION: lua_get_static_lib
> +# @USAGE: [<impl>]
> +# @DESCRIPTION:
> +# Obtain and print the expected name, with path, of the main static
> library
> +# of the given Lua implementation. If no implementation is provided,
> +# ${ELUA} will be used.
> +#
> +# Note that it is up to the ebuild maintainer to ensure Lua actually
> +# provides a static library.
> +#
> +# Please note that this function requires Lua and pkg-config
> installed,
> +# and therefore proper build-time dependencies need be added to the
> ebuild.
> +lua_get_static_lib() {
> +	debug-print-function ${FUNCNAME} "${@}"
> +
> +	_lua_export "${@}" LUA_STATIC_LIB
> +	echo "${LUA_STATIC_LIB}"
> +}
> +
>  # @FUNCTION: lua_get_version
>  # @USAGE: [<impl>]
>  # @DESCRIPTION:

When is passing static libs ever useful for Lua?