On 12/14/20 3:14 AM, Christian Eggers wrote:
Branch: dunfell
Arch: arm
When I set -fuse-ld=gold with the Yocto SDK, the bfd linker is used anyway:
.
/opt/poky-tiny/3.1.4/environment-setup-cortexa7t2hf-neon-vfpv4-poky-linux-musleabi
${CC} -fuse-ld=gold -Wl,--threads -o test test.c
/opt/poky-tiny/3.1.4/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/9.3.0/real-ld:
unrecognized option '--threads'
/opt/poky-tiny/3.1.4/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/9.3.0/real-ld:
use the --help option for usage information
When I call the "real-ld" with -h, I can see that it's the BFD linker.
${CC} -print-prog-name=ld
/opt/poky-tiny/3.1.4/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/9.3.0/ld
${CC} -fuse-ld=bfd -print-prog-name=ld
ld.bfd
${CC} -fuse-ld=gold -print-prog-name=ld
ld.gold
Compared to other cross toolchains I use, the output of the previous two
commands
miss the full path to the linker. The gold linker is part of my SDK:
arm-poky-linux-musleabi-ld.gold --help
Usage: arm-poky-linux-musleabi-ld.gold [options] file...
Options:
--help Report usage information
...
How can I use the gold linker from gcc (without making it default)?
This is kind of known and kind of works as intended, see
https://git.openembedded.org/openembedded-core/tree/meta/recipes-devtools/gcc/gcc-cross-canadian.inc#n132
You might want to try commenting it out and see if it works for you in
resulting SDK
regards
Christian
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