[OE-core] [PATCH 1/4] meson.bbclass: fix to build for more projects

[Khem Raj]

On Tue, Feb 27, 2018 at 9:56 PM, Chen Qi <Qi.Chen at windriver.com> wrote:
> We should use the value of CC for the c compiler setting in cross
> compilation configuration file for meson. For example, if we only
> use ${HOST_PREFIX}gcc instead of ${CC}, we would meet the following
> do_compile failure for systemd.
>
>   cc1: fatal error: linux/capability.h: No such file or directory
>
> Signed-off-by: Chen Qi <Qi.Chen at windriver.com>
> ---
>  meta/classes/meson.bbclass | 13 ++++---------
>  1 file changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/meta/classes/meson.bbclass b/meta/classes/meson.bbclass
> index 31d32a5..97dcf81 100644
> --- a/meta/classes/meson.bbclass
> +++ b/meta/classes/meson.bbclass
> @@ -41,24 +41,19 @@ MESON_CROSS_FILE = ""
>  MESON_CROSS_FILE_class-target = "--cross-file ${WORKDIR}/meson.cross"
>  MESON_CROSS_FILE_class-nativesdk = "--cross-file ${WORKDIR}/meson.cross"
>
> -CCOMPILER ?= "gcc"
> -CXXCOMPILER ?= "g++"
> -CCOMPILER_toolchain-clang = "clang"
> -CXXCOMPILER_toolchain-clang = "clang++"
> -
>  def meson_array(var, d):
>      return "', '".join(d.getVar(var).split()).join(("'", "'"))
>
>  addtask write_config before do_configure
> -do_write_config[vardeps] += "MESON_C_ARGS MESON_CPP_ARGS MESON_LINK_ARGS"
> +do_write_config[vardeps] += "MESON_C_ARGS MESON_CPP_ARGS MESON_LINK_ARGS CC CXX LD"
>  do_write_config() {
>      # This needs to be Py to split the args into single-element lists
>      cat >${WORKDIR}/meson.cross <<EOF
>  [binaries]
> -c = '${HOST_PREFIX}${CCOMPILER}'
> -cpp = '${HOST_PREFIX}${CXXCOMPILER}'
> +c = [${@meson_array('CC', d)}]
> +cpp = [${@meson_array('CXX', d)}]
>  ar = '${HOST_PREFIX}ar'
> -ld = '${HOST_PREFIX}ld'
> +ld = [${@meson_array('LD', d)}]


we should do same for ar and nm atleast.


>  strip = '${HOST_PREFIX}strip'
>  readelf = '${HOST_PREFIX}readelf'
>  pkgconfig = 'pkg-config'
> --
> 1.9.1
>
> --
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