On 04/27/2012 02:53 PM, Eric Bénard wrote:
Hi Ken,
Le Fri, 27 Apr 2012 12:59:17 +0200,
Ken Werner<ken.wer...@linaro.org> a écrit :
This change introduces two new patches to Qt 4.8. One prevents the build
system from using the -fuse-ld=gold GCC flag as this isn't upstream and
therefore not supported by many toolchains out there. The second patch
ld-is-gold is a DISTRO_FEATURES wich enables gold (and thus reduce link
time especially in qt's build) : has this patch an effect on the
possibility to still use gold ?
Eric
No, the patch doesn't prevent the toolchain from linking using gold.
Upstream GCC+binutils supports either gold or the classic ld - a
decision you make at the configure time of your toolchain. However,
Debian and Ubuntu have patched their toolchains to allow the user to
pick the desired linker using the -fuse-ld option. Technically what they
do is a patch to the binutils which installs both the ld.bfd and ls.gold
plus a symlink that selects the default linker. And a GCC patch that
changes collect2 to support the -fuse-ld switch.
Regards,
Ken
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