Bug 8861 - With buildroot 2016.02 trying to build for corei7-avx fails while trying to build host-binutils.
Summary: With buildroot 2016.02 trying to build for corei7-avx fails while trying to b...
Status: RESOLVED FIXED
Alias: None
Product: buildroot
Classification: Unclassified
Component: Other (show other bugs)
Version: unspecified
Hardware: PC Linux
: P5 normal
Target Milestone: ---
Assignee: unassigned
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-04-21 08:58 UTC by buschman
Modified: 2016-04-25 21:18 UTC (History)
1 user (show)

See Also:
Host:
Target:
Build:

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Output of the call to make (3.04 KB, text/plain)
2016-04-21 08:58 UTC, buschman 		Details
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Description buschman 2016-04-21 08:58:21 UTC 
Created attachment 6426 [details]
Output of the call to make

My environment:
- Fedora release 22 (Twenty Two)
- x86_64
- with a "dnf update" on 10. March 2016

The target is i386, narrowed down to corei7-avx.


Steps to duplicate the problem:
--> wget https://buildroot.org/downloads/buildroot-2016.02.tar.bz2
--> tar xjvf buildroot-2016.02.tar.bz2
--> cd buildroot-2016.02
--> env HOSTCXX=/bin/g++ HOSTCC=/bin/gcc make menuconfig
In Target options select i386, ELF, corei7-avx

--> env HOSTCXX=/bin/g++ HOSTCC=/bin/gcc make
...
>>> host-binutils 2.24 Configuring
... --target=-buildroot-linux-uclibc ...
configure: loading site script /dev/null
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... configure: error: /bin/sh ./config.sub -buildroot
-linux-uclibc failed
configure: WARNING: cache variable ac_cv_target contains a newline
package/pkg-generic.mk:185: recipe for target '/home/buschman/wk/buildroot-2016.
02/output/build/host-binutils-2.24/.stamp_configured' failed

--> env HOSTCXX=/bin/g++ HOSTCC=/bin/gcc make savedefconfig
--> cat defconfig 
BR2_x86_corei7_avx=y


The same problem happens when using the up to date version of buildroot
as it was on 09. March 2016 instead.
--> git clone https://git.buildroot.net/buildroot

https://gist.github.com/abuschmann/e2e00e5cb23bb06f94bb

I have send this bug report as a message to the buildroot list on 21. March 2016
Comment 1 Thomas Petazzoni 2016-04-21 10:01:00 UTC 
Hum, indeed. Thanks for the bug report! Can you try the below patch:

diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
index 4039db8..efa9567 100644
--- a/arch/Config.in.x86
+++ b/arch/Config.in.x86
@@ -226,6 +226,8 @@ config BR2_ARCH
        default "i686"          if BR2_x86_nocona && BR2_i386
        default "i686"          if BR2_x86_core2 && BR2_i386
        default "i686"          if BR2_x86_corei7 && BR2_i386
+       default "i686"          if BR2_x86_corei7_avx && BR2_i386
+       default "i686"          if BR2_x86_corei7_avx2 && BR2_i386
        default "i686"          if BR2_x86_atom && BR2_i386
        default "i686"          if BR2_x86_opteron && BR2_i386
        default "i686"          if BR2_x86_opteron_sse3 && BR2_i386

And then do your configuration from scratch again, and attempt to do the build.
Comment 2 buschman 2016-04-21 15:52:12 UTC 
With the change proposed by Thomas Petazzoni the complete build runs through.

Thank you
Andreas
Comment 3 Thomas Petazzoni 2016-04-21 19:53:25 UTC 
I've submitted a patch at http://patchwork.ozlabs.org/patch/613293/.