[OE-core] [RFC] gcc-cross.inc: Add depedency on BUILD_ARCH

[Khem Raj]

On Wed, Nov 23, 2011 at 1:40 AM, Matthew McClintock <msm at freescale.com> wrote:
> Without some sort of dependency on the HOST arch this "fake"
> target package will be reused on a 32bit system even if it was
> built on a 64bit system.
>
> This new dependecy should prevent that from occuring.
>
> Signed-off-by: Matthew McClintock <msm at freescale.com>
> ---
> Comments? I still this this is VERY BAD since it will trigger
> all TARGET cache to be rebuilt just because we changed ARCH.
> However, it should generate working sstate-cache. Might
> address this issue:
>
> | checking for /home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/./gcc/xgcc -B/home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/./gcc/ -m32 -mhard-float  -mcpu=e500mc -isystem/home/liut/poky/build_p4080ds_release/tmp/sysroots/p4080ds/usr/include -B/home/liut/poky/build_p4080ds_release/tmp/sysroots/i686-linux/usr/powerpc-fsl-linux/bin/ -B/home/liut/poky/build_p4080ds_release/tmp/sysroots/i686-linux/usr/powerpc-fsl-linux/lib/ -isystem /home/liut/poky/build_p4080ds_release/tmp/sysroots/i686-linux/usr/powerpc-fsl-linux/include -isystem /home/liut/poky/build_p4080ds_release/tmp/sysroots/i686-linux/usr/powerpc-fsl-linux/sys-include --sysroot=/home/liut/poky/build_p4080ds_release/tmp/sysroots/p4080ds-tcbootstrap   option to accept ISO C89... none needed
> | checking how to run the C preprocessor... /home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/./gcc/xgcc -B/home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/./gcc/ -E
> | configure: error: in `/home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/powerpc-fsl-linux/libgcc':
> | configure: error: C preprocessor "/home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/./gcc/xgcc -B/home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux/./gcc/ -E" fails sanity check
> | See `config.log' for more details.
> | make[1]: *** [configure-target-libgcc] Error 1
> | make[1]: Leaving directory `/home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/gcc-4_6-branch/build.i686-linux.powerpc-fsl-linux'
> | make: *** [all] Error 2
> | ERROR: oe_runmake failed
> | ERROR: Function 'do_compile' failed (see /home/liut/poky/build_p4080ds_release/tmp/work/ppce500mc-fsl-linux/gcc-cross-intermediate-4.6.1+svnr175454-r10/temp/log.do_compile.27393 for further information)
>
>  meta/recipes-devtools/gcc/gcc-4.6.inc   |    2 +-
>  meta/recipes-devtools/gcc/gcc-cross.inc |   11 +++++++++++
>  2 files changed, 12 insertions(+), 1 deletions(-)
>
> diff --git a/meta/recipes-devtools/gcc/gcc-4.6.inc b/meta/recipes-devtools/gcc/gcc-4.6.inc
> index f7bcf30..ee42fa7 100644
> --- a/meta/recipes-devtools/gcc/gcc-4.6.inc
> +++ b/meta/recipes-devtools/gcc/gcc-4.6.inc
> @@ -1,6 +1,6 @@
>  require gcc-common.inc
>
> -PR = "r10"
> +PR = "r11"
>
>  # Third digit in PV should be incremented after a minor release
>  # happens from this branch on gcc e.g. currently its 4.6.0
> diff --git a/meta/recipes-devtools/gcc/gcc-cross.inc b/meta/recipes-devtools/gcc/gcc-cross.inc
> index 5a796bc..9f6d6ad 100644
> --- a/meta/recipes-devtools/gcc/gcc-cross.inc
> +++ b/meta/recipes-devtools/gcc/gcc-cross.inc
> @@ -10,3 +10,14 @@ do_compile () {
>        oe_runmake all-host all-target-libgcc
>  }
>
> +# gcc-cross is special since it builds a HOST binary on
> +# as a TARGET recipe. This is a hack to pull in the
> +# BUILD_ARCH to the recipe so the sstate-cache is
> +# different if the HOST ARCH has changed. By expanding
> +# right now we assure it's going to be in the sig
> +BUILD_ARCH_EXPANDED := "${BUILD_ARCH}"
> +
> +# we also add this to the PV so its clear in filenames
> +# that this is arch specific even though it's labeled as
> +# a target package
> +PV .= "+${BUILD_ARCH_EXPANDED}"
> --
> 1.7.6.1
>

isnt BUILD_ARCH in signature
>
>
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