[oe] [meta-initramfs][PATCH 4/5] klibc.bbclass: Use forcevariable override to define flags

[Andre McCurdy]

On Mon, Sep 11, 2017 at 8:10 AM, Khem Raj <raj.khem at gmail.com> wrote:
> This is required so it can override the CC settings when
> clang is used because meta-clang uses toolchain-clang
> override to set CC and friends so we need to use higher
> order override, forcevariable is highest order.

Just for reference, ${LIBCOVERRIDE} is the highest order over-ride,
forcevariable is second.

> Signed-off-by: Khem Raj <raj.khem at gmail.com>
> ---
>  meta-initramfs/classes/klibc.bbclass | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/meta-initramfs/classes/klibc.bbclass b/meta-initramfs/classes/klibc.bbclass
> index f864104cf..2aacf241e 100644
> --- a/meta-initramfs/classes/klibc.bbclass
> +++ b/meta-initramfs/classes/klibc.bbclass
> @@ -3,13 +3,12 @@ DEPENDS =+ "klcc-cross"
>
>  # Default for klcc is to build static binaries.
>  # Set CC = "${TARGET_PREFIX}klcc -shared" to build the dynamic version.
> +CC_forcevariable = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS}"
> +CC_forcevariable_armv4_linux-gnueabi = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS} -march=armv4 -mthumb-interwork"
>
> -export CC = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS}"
> -export CC_armv4_linux-gnueabi = "${TARGET_PREFIX}klcc ${TOOLCHAIN_OPTIONS} -march=armv4 -mthumb-interwork"
> -
> -export CPP = "${CC} -E"
> +CPP_forcevariable = "${CC} -E"
>
>  # klcc uses own optimizations by default. See klcc(1) man file.
> -export CFLAGS=""
> -export CPPFLAGS=""
> -export LDFLAGS=""
> +CFLAGS_forcevariable=""
> +CPPFLAGS_forcevariable=""
> +LDFLAGS_forcevariable=""
> --
> 2.14.1
>
> --
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