On Tue, Dec 2, 2014 at 7:57 AM, Wade Hampton wadehampto...@gmail.com
wrote:
I am building QT 4.8.6 on CentOS 5 and it is failing on building
the webkit module with __sync_add_and_fetch_4 not being defined.
My build is for Embedded Linux, which allows me to use the framebuffer.
Posts report this error when trying to cross-compile for ARM,
but I am building for X86. Several posts also indicate that this
is due to the old GCC used by CentOS 5.
Does anyone have any suggestions?
I believe that gcc on CentOS 5 builds against i386 by default. i386 doesn't
have those instructions, so if you built against i686 (or a newer CPU like
that), then it should fix the problem.
This stackoverflow has more info:
http://stackoverflow.com/questions/130740/link-error-when-compiling-gcc-atomic-operation-in-32-bit-mode
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