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ID Category Severity Reproducibility Date Submitted Last Update
0000759 [buildroot] Architecture Specific block always 02-28-06 09:14 02-12-07 05:33
Reporter agusfusa View Status public  
Assigned To buildroot
Priority normal Resolution open  
Status assigned   Product Version 0.9.27
Summary 0000759: FLOAT: Building fails when using ARM920t and software Floating Point
Description When building the toolchain using as a target an ARM920t and selecting that the device does not have an floating point unit, this error ocurrs:

(...)
make -C /root/buildroot/toolchain_build_arm/uClibc \
PREFIX= \
DEVEL_PREFIX=/ \
RUNTIME_PREFIX=/ \
HOSTCC="gcc" \
        all
make[1]: Entering directory `/root/buildroot/toolchain_build_arm/uClibc'

Current kernel version is 2.4.31

Using kernel headers from 2.4.31 for architecture 'arm'
        provided in directory /root/buildroot/toolchain_build_arm/linux/

  CC ldso/ldso/ldso.oS
  AS ldso/ldso/arm/resolve.oS
  STRIP -x -R .note -R .comment ldso/ldso/ld-uClibc_so.a
  AR cr ldso/ldso/ld-uClibc_so.a
  LD ld-uClibc-0.9.28.so
/root/buildroot/build_arm/staging_dir/bin/arm-linux-uclibc-ld: ERROR: /root/buil droot/build_arm/staging_dir/lib/gcc/arm-linux-uclibc/3.4.2/libgcc.a(_udivsi3.o) uses hardware FP, whereas lib/ld-uClibc-0.9.28.so uses software FP
/root/buildroot/build_arm/staging_dir/bin/arm-linux-uclibc-ld: failed to merge t arget specific data of file /root/buildroot/build_arm/staging_dir/lib/gcc/arm-li nux-uclibc/3.4.2/libgcc.a(_udivsi3.o)
/root/buildroot/build_arm/staging_dir/bin/arm-linux-uclibc-ld: ERROR: /root/buil droot/build_arm/staging_dir/lib/gcc/arm-linux-uclibc/3.4.2/libgcc.a(_dvmd_lnx.o) uses hardware FP, whereas lib/ld-uClibc-0.9.28.so uses software FP
/root/buildroot/build_arm/staging_dir/bin/arm-linux-uclibc-ld: failed to merge t arget specific data of file /root/buildroot/build_arm/staging_dir/lib/gcc/arm-li nux-uclibc/3.4.2/libgcc.a(_dvmd_lnx.o)
make[1]: *** [lib/ld-uClibc.so] Error 1
make[1]: Leaving directory `/root/buildroot/toolchain_build_arm/uClibc'
make: *** [/root/buildroot/toolchain_build_arm/uClibc/lib/libc.a] Error 2

Has anybody had this problem? Thanks very much!!
Additional Information
Attached Files  .config [^] (8,453 bytes) 03-02-06 06:07
 config_trav [^] (8,714 bytes) 04-05-06 00:20

- Relationships

- Notes
(0001158)
prpplague
03-02-06 05:11

 please provide the .config you are using for this build so that i can try replicating the problem.
 
(0001159)
agusfusa
03-02-06 06:06

 Here's the .config file as you requested.
When I'm asked I select (If not specified I go with the default answers):
Arm Target (option 2)
Use BX in function return: NO
Arm 920t (option 6)
Little Endian (option 2)
Taget CPU has FPU: NO

Hope you can replicate this situation!
Thx a lot!
 
(0001223)
trav
04-05-06 00:23
edited on: 04-05-06 00:26

 I've also been having this issue. I'm currently working with buildroot-20060404, but the bug seems to be present in all recent versions of buildroot. It is apparently triggered by this option:

   [*] Use a daily snapshot of uClibc?

I've uploaded my config file as well, titled "config_trav". It's basically a default build. The only non-default options I'm using are:

   Target Architecture (arm)
   Target Architecture Variant (generic_arm)

and then, during the build, I select "Little Endian" and answer NO to "Target has an FPU".

Thanks!
 

- Issue History
Date Modified Username Field Change
02-28-06 09:14 agusfusa New Issue
02-28-06 09:14 agusfusa Status new => assigned
02-28-06 09:14 agusfusa Assigned To  => uClibc
03-02-06 05:11 prpplague Note Added: 0001158
03-02-06 05:11 prpplague Status assigned => feedback
03-02-06 06:06 agusfusa Note Added: 0001159
03-02-06 06:07 agusfusa File Added: .config
04-05-06 00:20 trav File Added: config_trav
04-05-06 00:23 trav Note Added: 0001223
04-05-06 00:25 trav Note Edited: 0001223
04-05-06 00:26 trav Note Edited: 0001223
10-09-06 12:25 jruere Issue Monitored: jruere
02-04-07 09:14 bernhardf Summary Building fails when using ARM920t and software Floating Point => FLOAT: Building fails when using ARM920t and software Floating Point
02-12-07 05:33 vapier Status feedback => assigned
02-12-07 05:33 vapier Assigned To uClibc => buildroot

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