[Buildroot] Qt5 puzzle

Charles Krinke charles.krinke at gmail.com
Wed Nov 6 16:57:45 UTC 2013

Recently one of our app engineers moved to QtQuick 2.0 and all of a sudden
with the buildroot built binaries from Qt-5.0.2, I am seeing this error
when a qml-style program is run.

ERROR: Binary compiled with -mfloat-abi=hard but without

In searching this, I can see mention of this on the buildroot mailing list
from June, but no hints or resolution. The archive of the mailing list is
this page:


Although I am using the TI AM3517 and not Raspberry Pi, the error seems to
be the same.

I am assuming this has something to do with make options. This morning, I
tried adding "-DUSE-EABI_HARDFLAT" to the Makefile for libQt5V8 where the
offending message is coming from, but the cheap shot doesnt work.

I am working with a buildroot from the end of July, so am not using the
experimental Qt-5.1 stuff (yet) and am hoping not to move forward in a
crisis if I can help it.

So, ... as usual, I am hoping for a clue or two to let me understand how to
get QtQuick back to functionality with Qt-5.0.2.

Charles Krinke
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