libvpx0.9.5 configure fail with armv7a hardfloat

Can you provide the test case and cmdline option, which triggers "unable to link executables"?

Thanks!
-Zhenqiang

in local.conf add fellow lines:
TCMODE = "external-linaro"
EXTERNAL_TOOLCHAIN = "/media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/tools/gcc-linaro-arm-linux-gnueabihf-4.7-2013.02-01-20130221_linux"
IMAGE_LINGUAS = ""
LIMIT_BUILT_LOCALES = "POSIX"
DEFAULTTUNE_qemuarmv7a = "armv7athf-neon"
LICENSE_FLAGS_WHITELIST = "commercial"
INSANE_SKIP_${PN} += "ldflags"
INSANE_SKIP_${PN}-dev = "ldflags"

Build Configuration:
BB_VERSION = "1.17.1"
BUILD_SYS = "i686-linux"
NATIVELSBSTRING = "Ubuntu-12.04"
TARGET_SYS = "arm-poky-linux-gnueabi"
MACHINE = "genericarmv7a"
DISTRO = "poky"
DISTRO_VERSION = "1.3+snapshot-20130329"
TUNE_FEATURES = "armv7a vfp thumb neon callconvention-hard"
TARGET_FPU = "vfp-neon"
meta
meta-yocto
meta-yocto-bsp
meta-hob = "master:6211a2bdd32f7b2c8de7a5d75353c0522c8d4230"
toolchain-layer = "master:d4051ea47c3842f7acb1ba1d8eb688d275ace11f"
meta-linaro-toolchain
meta-linaro = "master:4854e2ec06d48db380043e09234b06c19d30eb90"
meta-baryon = "master:ba4283dd3c7199270d332e0fa69cdccf06fb3fef"
meta-oe = "master:d4051ea47c3842f7acb1ba1d8eb688d275ace11f"

NOTE: Resolving any missing task queue dependencies
NOTE: Preparing runqueue
NOTE: Executing SetScene Tasks
NOTE: Executing RunQueue Tasks
NOTE: Running task 235 of 380 (ID: 19, /media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/meta-openembedded/meta-oe/recipes-multimedia/webm/libvpx_0.9.5.bb, do_fetch)
NOTE: recipe libvpx-0.9.5-r3.0: task do_fetch: Succeeded
NOTE: Running task 369 of 380 (ID: 15, /media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/meta-openembedded/meta-oe/recipes-multimedia/webm/libvpx_0.9.5.bb, do_unpack)
NOTE: recipe libvpx-0.9.5-r3.0: task do_unpack: Succeeded
NOTE: Running task 370 of 380 (ID: 16, /media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/meta-openembedded/meta-oe/recipes-multimedia/webm/libvpx_0.9.5.bb, do_patch)
NOTE: recipe libvpx-0.9.5-r3.0: task do_patch: Succeeded
NOTE: Running task 371 of 380 (ID: 20, /media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/meta-openembedded/meta-oe/recipes-multimedia/webm/libvpx_0.9.5.bb, do_configure)
NOTE: Running task 372 of 380 (ID: 22, /media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/meta-openembedded/meta-oe/recipes-multimedia/webm/libvpx_0.9.5.bb, do_populate_lic)
NOTE: recipe libvpx-0.9.5-r3.0: task do_populate_lic: Succeeded
ERROR: Function failed: do_configure (see /media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/build/tmp/work/armv7ahf-vfp-neon-poky-linux-gnueabi/libvpx/0.9.5-r3.0/temp/log.do_configure.13701 for further information)
NOTE: recipe libvpx-0.9.5-r3.0: task do_configure: Failed
ERROR: Task 20 (/media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/poky/meta-openembedded/meta-oe/recipes-multimedia/webm/libvpx_0.9.5.bb, do_configure) failed with exit code '1'
NOTE: Tasks Summary: Attempted 372 tasks of which 367 didn't need to be rerun and 1 failed.

log.do_configure.13701:
DEBUG: Executing python function sysroot_cleansstate
DEBUG: Python function sysroot_cleansstate finished
DEBUG: Executing shell function do_configure
Configuring selected codecs
  enabling vp8_encoder
  enabling vp8_decoder
Configuring for...

Can you send me the log.do_configure.13701?

Thanks!
-Zhenqiang

here is

log.do_configure.13701

At 2013-04-02 10:26:05,"Zhenqiang Chen" <email address hidden> wrote:
>Can you send me the log.do_configure.13701?
>
>Thanks!
>-Zhenqiang
>
>--
>You received this bug notification because you are subscribed to the bug
>report.
>https://bugs.launchpad.net/bugs/1161348
>
>Title:
> libvpx0.9.5 configure fail with external-linaro
>
>Status in Linaro Toolchain Binaries:
> New
>
>Bug description:
> my local.conf:
> TCMODE = "external-linaro"
> EXTERNAL_TOOLCHAIN = "/home/ljc/gcc-linaro-arm-linux-gnueabihf-2012.08-20120827_linux"
> IMAGE_LINGUAS = ""
> LIMIT_BUILT_LOCALES = "POSIX"
> DEFAULTTUNE_qemuarmv7a = "armv7athf-neon"
> LICENSE_FLAGS_WHITELIST = "commercial"
> INSANE_SKIP_${PN} += "ldflags"
>
> Build Configuration:
> BB_VERSION = "1.17.1"
> BUILD_SYS = "i686-linux"
> NATIVELSBSTRING = "Ubuntu-12.04"
> TARGET_SYS = "arm-poky-linux-gnueabi"
> MACHINE = "qemuarmv7a"
> DISTRO = "poky"
> DISTRO_VERSION = "1.3+snapshot-20130323"
> TUNE_FEATURES = "armv7a vfp"
> TARGET_FPU = "vfp"
> meta
> meta-yocto
> meta-yocto-bsp
> meta-hob = "master:6211a2bdd32f7b2c8de7a5d75353c0522c8d4230"
> toolchain-layer = "master:d4051ea47c3842f7acb1ba1d8eb688d275ace11f"
> meta-linaro-toolchain
> meta-linaro = "master:9ba698baa24d78b9400292c7738ad34edaf63e05"
> meta-baryon = "master:ba4283dd3c7199270d332e0fa69cdccf06fb3fef"
> meta-oe = "master:d4051ea47c3842f7acb1ba1d8eb688d275ace11f"
> ......
> configure libvpx-0.9.5 failured:
> /poky/build/tmp/work/armv7ahf-vfp-neon-poky-linux-gnueabi/libvpx/0.9.5-r3.0/temp/log.do_configure.10631
> Configuring selected codecs
> enabling vp8_encoder
> enabling vp8_decoder
> Configuring for target 'armv7-linux-gcc'
> enabling armv7
> enabling armv6
> enabling armv5te
> enabling fast_unaligned
> Toolchain is unable to link executables
>
> Configuration failed. This could reflect a misconfiguration of your
> toolchains, improper options selected, or another problem. If you
> don't see any useful error messages above, the next step is to look
> at the configure error log file (config.err) to determine what
> configure was trying to do when it died.
> ERROR: Function failed: do_configure
>
>To manage notifications about this bug go to:
>https://bugs.launchpad.net/linaro-toolchain-binaries/+bug/1161348/+subscriptions

"If you don't see any useful error messages above, the next step is to look at the configure error log file (config.err) to determine what configure was trying to do when it died."

So would you please send me the "config.err"?

Thanks!
-Zhenqiang

I compile libvpx-0.9.5 without openembedded
when I use linaro toolchain:
ljc@ljc-virtual-machine:/media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/test/build$ CROSS=/home/ljc/gcc-linaro-arm-linux-gnueabihf-4.7-2012.12-20121214_linux/bin/arm-linux-gnueabihf- ../libvpx/configure --target=armv7-linux-gcc
Configuring selected codecs
  enabling vp8_encoder
  enabling vp8_decoder
Configuring for target 'armv7-linux-gcc'
  enabling armv7
  enabling armv6
  enabling armv5te
  enabling fast_unaligned
Toolchain is unable to link executables

Configuration failed. This could reflect a misconfiguration of your
toolchains, improper options selected, or another problem. If you
don't see any useful error messages above, the next step is to look
at the configure error log file (config.err) to determine what
configure was trying to do when it died.
config.err file is in appendix.

when I use Sourcery G++ toolchain:
ljc@ljc-virtual-machine:/media/9916233e-cc4d-4e15-9b67-a7d6c0d73f3e/test/build$ CROSS=/home/ljc/arm-2012.03/bin/arm-none-linux-gnueabi- ../libvpx/configure --target=armv7-linux-gcc
Configuring selected codecs
  enabling vp8_encoder
  enabling vp8_decoder
Configuring for target 'armv7-linux-gcc'
  enabling armv7
  enabling armv6
  enabling armv5te
  enabling fast_unaligned
Creating makefiles for armv7-linux-gcc libs
Creating makefiles for armv7-linux-gcc examples
Creating makefiles for armv7-linux-gcc docs
and the config.err file is config-Sourcery.err.tar.bz2

At 2013-04-03 10:27:15,"Zhenqiang Chen" <email address hidden> wrote:
>"If you don't see any useful error messages above, the next step is to look at the configure error log file (config.err) to determine what configure was trying to do when it died."
>
>So would you please send me the "config.err"?
>
>Thanks!
>-Zhenqiang
>
>--
>You received this bug notification because you are subscribed to the bug
>report.
>https://bugs.launchpad.net/bugs/1161348
>
>Title:
> libvpx0.9.5 configure fail with external-linaro
>
>Status in Linaro Toolchain Binaries:
> New
>
>Bug description:
> my local.conf:
> TCMODE = "external-linaro"
> EXTERNAL_TOOLCHAIN = "/home/ljc/gcc-linaro-arm-linux-gnueabihf-2012.08-20120827_linux"
> IMAGE_LINGUAS = ""
> LIMIT_BUILT_LOCALES = "POSIX"
> DEFAULTTUNE_qemuarmv7a = "armv7athf-neon"
> LICENSE_FLAGS_WHITELIST = "commercial"
> INSANE_SKIP_${PN} += "ldflags"
>
> Build Configuration:
> BB_VERSION = "1.17.1"
> BUILD_SYS = "i686-linux"
> NATIVELSBSTRING = "Ubuntu-12.04"
> TARGET_SYS = "arm-poky-linux-gnueabi"
> MACHINE = "qemuarmv7a"
> DISTRO = "poky"
> DISTRO_VERSION = "1.3+snapshot-20130323"
> TUNE_FEATURES = "armv7a vfp"
> TARGET_FPU = "vfp"
> meta
> meta-yocto
> meta-yocto-bsp
> meta-hob = "master:6211a2bdd32f7b2c8de7a5d75353c0522c8d4230"
> toolchain-layer = "master:d4051ea47c3842f7acb1ba1d8eb688d275ace11f"
> meta-linaro-toolchain
> meta-linaro = "master:9ba698baa24d78b9400292c7738ad34edaf63e05"
> meta-baryon = "master:ba4283dd3c7199270d332e0fa69cdccf06fb3fef"
> meta-oe ...

check_ld
check_cc
BEGIN /tmp/vpx-conf-3192-9118.c
    1 int main(void) {return 0;}
END /tmp/vpx-conf-3192-9118.c
arm-linux-gnueabihf-gcc -march=armv7-a -marm -mthumb-interwork -mfloat-abi=hard -mfpu=neon --sysroot=/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/
sysroots/genericarmv7a -isystem/home/hrw/devel/canonical/aarch64/openembedded/build/linaro-tcwg/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnuea
bihf/include -O2 -pipe -g -feliminate-unused-debug-types -fPIC -march=armv7-a -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp -O3 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=6
4 -Wall -Wdeclaration-after-statement -Wdisabled-optimization -Wpointer-arith -Wtype-limits -Wcast-qual -Wno-unused -c -o /tmp/vpx-conf-3192-23790.o /tmp/vpx-conf-3192-9
118.c arm-linux-gnueabihf-gcc -march=armv7-a -marm -mthumb-interwork -mfloat-abi=hard -mfpu=neon --sysroot=/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/
sysroots/genericarmv7a -L/home/hrw/devel/canonical/aarch64/openembedded/build/linaro-tcwg/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/lib -Wl,-rpath-link,/home/hrw/devel/canonical/aarch64/openembedded/build/linaro-tcwg/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/arm-linux-gnueabihf/lib -Wl
,-O1 -Wl,--hash-style=gnu -o /tmp/vpx-conf-3192-11886.x /tmp/vpx-conf-3192-23790.o -lpthread
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/linaro-tcwg/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/bin/../lib/gcc/arm-linux-gnueabihf/4.7.3/.
./../../../arm-linux-gnueabihf/bin/ld: error: /tmp/vpx-conf-3192-11886.x uses VFP register arguments, /tmp/vpx-conf-3192-23790.o does not
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/linaro-tcwg/gcc-linaro-arm-linux-gnueabihf-4.7-2013.03-20130313_linux/bin/../lib/gcc/arm-linux-gnueabihf/4.7.3/.
./../../../arm-linux-gnueabihf/bin/ld: failed to merge target specific data of file /tmp/vpx-conf-3192-23790.o
collect2: error: ld returned 1 exit status

libvpx hardcodes softfp float api... Will send fix to OE.

Bug is in libvpx not in Linaro toolchain.

Is your sysroot libc hardfp or softfp?

--sysroot=/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/sysroots/genericarmv7a

i.e
arm-linux-gnueabihf-readelf -A libc-2.15.so | grep Tag_ABI_HardFP_use

For softfp, it is Tag_ABI_HardFP_use: SP and DP

For hardfp, it is Tag_ABI_VFP_args: VFP registers

The toolchain only works with hardfp sysroot.

Zhenqiang: it is a problem only with hardfp sysroot. But you can ignore it now - I sent fix to OE ML already.

Patch got merged into OE.