Richard Purdie : gcc-cross-initial: Reinstate limits.h generation fix

Module: openembedded-core.git
Branch: master
Commit: 71854f5c8c6850ed37777cad21acc92fdbea32fc
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=71854f5c8c6850ed37777cad21acc92fdbea32fc

Author: Richard Purdie <[email protected]>
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 <[email protected]>

Quoted 18 lines · On Thu, Sep 06, 2012 at 11:12:35PM +0000, [email protected] 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 <[email protected]>
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

Quoted 6 lines

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 <[email protected]>

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

Quoted 29 lines · Martin Jansa

Quoted 18 lines · On Thu, Sep 06, 2012 at 11:12:35PM +0000, [email protected] 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 <[email protected]>
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

Quoted 6 lines

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 <[email protected]>

Not sure if PR bump would help for gcc-cross-initial, but now incremental build fails with:

Quoted 10 lines

| 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

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