I get this error when loading extfs.kext on an intel mac (I compiled it myself):
kld(): Undefined symbols:
kextload: kld_load_from_memory() failed for module /builds/ext2fsx/build/Default/ext2fs.kext/Contents/MacOS/ext2fs
kextload: a link/load error occured for kernel extension ext2fs.kext/
load failed for extension ext2fs.kext/
(run kextload with -t for diagnostic output)
kextload -t doesn't say anything different. I realize why _assert shouldn't be linked in, but it is.
assert is #define'd to Assert in <kern/assert.h>. So, I'd guess that you are not including that header when you build. Which means you are likely not using XCode to build.
nm -m /mach_kernel | grep Assert
000265ac (__TEXT,__text) external _Assert
It's not giving me an undefined _Assert. It's giving me an undefined _assert. I am building with XCode.
Right, that's what I was saying. assert is a macro, not a function. So if it is being linked in as a function reference then the header file <kern/assert.h> is not being included somewhere, because assert expands to Assert().
What XCode version are you using? And are you building the Deployment of Development target?
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