Hello all,
I'm currently trying to re-compile Qt 5.3.1 for iOS to support arm64, but
am getting a compiler error that I'm unable to fathom.
To build, I did the following:
- Modified qtbase/mkspecs/macx-ios-clang/qmake.conf to change the
deployment target to 7.1 (as I believe arm64 is only available on this
version) and the QMAKE_IOS_DEVICE_ARCHS to arm64.
- ran configure with the following arguments:
*./configure -xplatform macx-ios-clang -release -sdk iphoneos7.1
-no-framework -no-openssl -prefix /tmp/ios7.1-armv64*
- run make
Here's the compiler errors I get:
image/qimage_neon.cpp:78:17: error: vector register expected
"vld3.8 { d0, d1, d2 }, [%[SRC]] !\n\t"
^
<inline asm>:1:15: note: instantiated into assembly here
vld3.8 { d0, d1, d2 }, [x1] !
^
image/qimage_neon.cpp:78:57: error: unrecognized instruction mnemonic
"vld3.8 { d0, d1, d2 }, [%[SRC]] !\n\t"
^
<inline asm>:2:2: note: instantiated into assembly here
vswp d0, d2
^
...
I've done a load of googling, and all I can find is a gist that was posted
by an apparent qt developer: https://gist.github.com/torarnv/6582663
Any help would be much appreciated! Am more than happy to help, but my
neon-fu isn't good enough to figure this one out!
Thanks
Tom
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