On 12/18/20 3:30 AM, Christian Eggers wrote:
Hi Khem, hi Christopher,
On Tuesday, 15 December 2020, 18:15:52 CET, Khem Raj wrote:
On 12/15/20 8:50 AM, Christopher Larson wrote:
This can be fixed via two changes, first removing real-ld, then adding
the missing links to fix -fuse-ld=. I have this in one of my
not-yet-submitted bbappends:
# Remove real-ld, as it prevents checking for ld or gold in the
search path
rm -f ${dest}real-ld$suffix
# Then add links to fix builds with -fuse-ld=
ln -sf ${BINRELPATH}/${TARGET_PREFIX}ld.gold$suffix
${dest}ld.gold$suffix
ln -sf ${BINRELPATH}/${TARGET_PREFIX}ld.bfd$suffix ${dest}ld.bfd$suffix
right this looks ok. Can you submit this for upstreaming please
while this change works "fine for me" (I can now use ld.gold which is about
3 times faster for my project), there are side effects:
${CC} -fuse-ld=bfd -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.bfd
${CC} -fuse-ld=bfd -o test test.c
works fine
${CC} -fuse-ld=gold -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.gold
${CC} -fuse-ld=gold -o test test.c
also works fine
${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} -o test test.c
collect2: fatal error: cannot find ‘ld’
compilation terminated.
ls -l
/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
/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
-> ../../../../../bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-ld
we could patch it out in gcc sources so always use the real one because
the default is one of gold or bfd linker anyway
regards
Christian
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