[OE-core] [PATCH] autotools.bbclass: Add functionality to force a clean of ${B} when reconfiguring (and ${S} != ${B})

[McClintock Matthew-B29882]

On Wed, Sep 26, 2012 at 12:07 PM, Phil Blundell <philb at gnu.org> wrote:
> On Tue, 2012-09-11 at 15:22 +0100, Richard Purdie wrote:
>> Unfortunately whilst rerunning configure and make against a project will mostly
>> work there are situations where it does not correctly do the right thing.
>>
>> In particular, eglibc and gcc will fail out with errors where settings
>> do not match a previously built configuration. It could be argued they are
>> broken but the situation is what it is. There is the possibility of more subtle
>> errors too.
>
> FWIW, I just encountered another instance of what appears to be a
> similar problem (with this patch applied).  I had changed my CFLAGS to
> work around a compiler problem and then just reran the build, which led
> eventually to:
>
> ERROR: Function failed: do_siteconfig_gencache
> (see ..../tmp-eglibc/work/mips32el-oe-linux/eglibc/2.16-r11.micro1
> +svnr20393/temp/log.do_populate_sysroot.6005 for further information)
> ERROR: Logfile of failure stored
> in: ..../tmp-eglibc/work/mips32el-oe-linux/eglibc/2.16-r11.micro1
> +svnr20393/temp/log.do_populate_sysroot.6005
> Log data follows:
> | DEBUG: Executing python function sstate_task_prefunc
> [...]
> | DEBUG: Executing shell function do_siteconfig_gencache
> | configure: WARNING: unrecognized options: --disable-silent-rules,
> --disable-dependency-tracking, --with-libtool-sysroot
> | configure: loading cache eglibc_cache
> | configure: error: `CFLAGS' has changed since the previous run:
> | configure:   former value:  `...'
> | configure:   current value: `...'
> | configure: error: in
> `/.../tmp-eglibc/work/mips32el-oe-linux/eglibc/2.16-r11.micro1
> +svnr20393/site_config_cheetah':
> | configure: error: changes in the environment can compromise the build
> | configure: error: run `make distclean' and/or `rm eglibc_cache' and
> start over
> | DEBUG: Python function siteconfig_do_siteconfig finished
> | DEBUG: Python function autotools_do_siteconfig finished
> | DEBUG: Python function do_siteconfig finished
> | DEBUG: Python function sstate_task_postfunc finished
> ERROR: Task 30 (.../oe-core/meta/recipes-core/eglibc/eglibc_2.16.bb,
> do_populate_sysroot) failed with exit code '1'

I'll add another. I've seen this:

| DEBUG: Executing python function do_siteconfig
| DEBUG: Executing python function autotools_do_siteconfig
| DEBUG: Executing python function siteconfig_do_siteconfig
| DEBUG: Executing shell function do_siteconfig_gencache
| configure: WARNING: unrecognized options: --disable-silent-rules,
--disable-dependency-tracking, --with-libtool-sysroot
| configure: loading cache ncurses_cache
| configure: error: `CC' has changed since the previous run:
| configure:   former value:  `arm-poky-linux-gnueabi-gcc
-march=armv7-a -fno-tree-vectorize     -mthumb-interwork
-mfloat-abi=softfp -mfpu=neon -mtune=cortex-a8
--sysroot=/local/yocto/upstream/label/fedora17-64b/machine/beagleboard/poky/master/tmp/sysroots/beagleboard'
| configure:   current value: `arm-poky-linux-gnueabi-gcc
-march=armv7-a     -mthumb-interwork -mfloat-abi=softfp -mfpu=neon
-mtune=cortex-a8
--sysroot=/local/yocto/upstream/label/fedora17-64b/machine/beagleboard/poky/master/tmp/sysroots/beagleboard'
| configure: error: `CPP' has changed since the previous run:
| configure:   former value:  `arm-poky-linux-gnueabi-gcc -E
--sysroot=/local/yocto/upstream/label/fedora17-64b/machine/beagleboard/poky/master/tmp/sysroots/beagleboard
 -march=armv7-a -fno-tree-vectorize     -mthumb-interwork
-mfloat-abi=softfp -mfpu=neon -mtune=cortex-a8'
| configure:   current value: `arm-poky-linux-gnueabi-gcc -E
--sysroot=/local/yocto/upstream/label/fedora17-64b/machine/beagleboard/poky/master/tmp/sysroots/beagleboard
 -march=armv7-a     -mthumb-interwork -mfloat-abi=softfp -mfpu=neon
-mtune=cortex-a8'
| configure: error: in
`/local/yocto/upstream/label/fedora17-64b/machine/beagleboard/poky/master/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ncurses-5.9-r10.1/site_config_beagleboard':
| configure: error: changes in the environment can compromise the build
| configure: error: run `make distclean' and/or `rm ncurses_cache' and
start over
| DEBUG: Python function siteconfig_do_siteconfig finished
| DEBUG: Python function autotools_do_siteconfig finished
| DEBUG: Python function do_siteconfig finished
| DEBUG: Python function sstate_task_postfunc finished
| ERROR: Function failed: do_siteconfig_gencache (see
/local/yocto/upstream/label/fedora17-64b/machine/beagleboard/poky/master/tmp/work/armv7a-vfp-neon-poky-linux-gnueabi/ncurses-5.9-r10.1/temp/log.do_populate_sysroot.30243
for further information)
NOTE: recipe ncurses-5.9-r10.1: task do_populate_sysroot: Failed

-M

>
> p.
>
>
>
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