iOS Linker Error ld: b/bl/blx thumb2 branch out of range (16777216 max is +/-16MB): from

[James]

Q:

Hi,

I am getting the following linker error when using Xcode 5.1:

ld: b/bl/blx thumb2 branch out of range (16777216 max is +/-16MB): from

How can I resolve this?

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A:

This is a known linker bug (rdar://16186742). The problem is with the armv7 compiler, when it needs to synthesize branch islands to jump further than 16 MB, and the jump happens to be *exactly* 16 MB. The work around is to rearrange the source files in the project build phases and/or libraries in the Link Binary with Libraries section. With a few re-arrangements this problem should go away.