[oe] [OE-core] [oe-commits] Richard Purdie : gcc-cross-initial: Reinstate limits.h generation fix

[Richard Purdie]

On Fri, 2012-09-07 at 01:38 +0200, Martin Jansa wrote:
> On Thu, Sep 06, 2012 at 11:12:35PM +0000, git at git.openembedded.org wrote:
> > Module: openembedded-core.git
> > Branch: master
> > Commit: 71854f5c8c6850ed37777cad21acc92fdbea32fc
> > URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=71854f5c8c6850ed37777cad21acc92fdbea32fc
> > 
> > Author: Richard Purdie <richard.purdie at linuxfoundation.org>
> > Date:   Thu Sep  6 16:50:10 2012 +0100
> > 
> > gcc-cross-initial: Reinstate limits.h generation fix
> > 
> > The removal of gcc-cross-intermediate inadvertently reintroduced a
> > problem with the limits.h file being incorrectly/inconsistently
> > generated.
> > 
> > http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=b0faebd1f07e1616004bd19664395932e7c2c48f
> > reverted part of:
> > http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=c8815d2f21849deb9359706f54dc71490773415e
> > 
> > This reintroduces the protected sysroot ensuring the limits.h file is
> > always correctly generated. To reproduce the bug, build gcc-cross, then
> > rebuild gcc-cross-initial and it will reference the limits.h file from
> > gcc-cross in the sysroot.
> > 
> > Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
> 
> Not sure if PR bump would help for gcc-cross-initial, but now incremental 
> build fails with: 
> 
> | Configuring in arm-oe-linux-gnueabi/libgcc
> | configure: loading cache ./config.cache
> | configure: error: `CC' has changed since the previous run:
> | configure:   former value:  ` /OE/build/tmp-eglibc/work/armv7a-vfp-neon-oe-linux-gnueabi/gcc-cross-initial-4.7.1.0+git1+d07e24f4ab59f264d68d21838795349faab5dede-r11/gcc-4_7-branch/build.x86_64-linux.arm-oe-linux-gnueabi/./gcc/xgcc -B/OE/build/tmp-eglibc/work/armv7a-vfp-neon-oe-linux-gnueabi/gcc-cross-initial-4.7.1.0+git1+d07e24f4ab59f264d68d21838795349faab5dede-r11/gcc-4_7-branch/build.x86_64-linux.arm-oe-linux-gnueabi/./gcc/ -march=armv7-a -fno-tree-vectorize     -mthumb-interwork -mfloat-abi=softfp -mfpu=neon -mtune=cortex-a8 -isystem/OE/build/tmp-eglibc/sysroots/tuna/usr/include -B/OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/bin/ -B/OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/lib/ -isystem /OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/include -isystem /OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/sys-include --sysroot=/OE/build/tmp-eglibc/sysroots/tuna  '
> | configure:   current value: ` /OE/build/tmp-eglibc/work/armv7a-vfp-neon-oe-linux-gnueabi/gcc-cross-initial-4.7.1.0+git1+d07e24f4ab59f264d68d21838795349faab5dede-r11/gcc-4_7-branch/build.x86_64-linux.arm-oe-linux-gnueabi/./gcc/xgcc -B/OE/build/tmp-eglibc/work/armv7a-vfp-neon-oe-linux-gnueabi/gcc-cross-initial-4.7.1.0+git1+d07e24f4ab59f264d68d21838795349faab5dede-r11/gcc-4_7-branch/build.x86_64-linux.arm-oe-linux-gnueabi/./gcc/ -march=armv7-a -fno-tree-vectorize     -mthumb-interwork -mfloat-abi=softfp -mfpu=neon -mtune=cortex-a8 -isystem/OE/build/tmp-eglibc/sysroots/tuna/usr/include -B/OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/bin/ -B/OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/lib/ -isystem /OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/include -isystem /OE/build/tmp-eglibc/sysroots/x86_64-linux/usr/arm-oe-linux-gnueabi/sys-include --sysroot=/OE/build/tmp-eglibc/work/armv7a-vfp-neon-oe-linux-gnueabi/gcc-cross-initial-4.7.1.0+git1+d07e24f4ab59f264d68d21838795349faab5dede-r11/gcc-4_7-branch/build.x86_64-linux.arm-oe-linux-gnueabi/tmpsysroot  '
> | configure: error: in `/OE/build/tmp-eglibc/work/armv7a-vfp-neon-oe-linux-gnueabi/gcc-cross-initial-4.7.1.0+git1+d07e24f4ab59f264d68d21838795349faab5dede-r11/gcc-4_7-branch/build.x86_64-linux.arm-oe-linux-gnueabi/arm-oe-linux-gnueabi/libgcc':
> | configure: error: changes in the environment can compromise the build
> | configure: error: run `make distclean' and/or `rm ./config.cache' and start over
> | make: *** [configure-target-libgcc] Error 1
> | ERROR: oe_runmake failed

It shouldn't do this and there are open bugs about it :/ PR would
probably work around it but we really need to fix the underlying
problem.

Cheers,

Richard