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From: Tim Kientzle <kientzle@freebsd.org>
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Subject: Missing eabi symbols when building kernel?
Date: Sun, 31 Mar 2013 10:08:54 -0700
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Does anyone recognize this?

$ cat make.conf
WITH_CLANG_IS_CC=3Dyes

$make TARGET_ARCH=3Darmv6 -j 4 buildworld
...
$make TARGET_ARCH=3Darmv6 KERNCONF=3DBEAGLEBONE -DWITH_ARM_EABI -j 1 =
buildkernel
=85...
cc -c -O -pipe  -std=3Dc99 -g -Wall -Wredundant-decls -Wnested-externs =
-Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline =
-Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions  =
-Wmissing-include-dirs -fdiagnostics-show-option  =
-Wno-error-tautological-compare -Wno-error-empty-body  =
-Wno-error-parentheses-equality -nostdinc  -I. =
-I/usr/home/tim/projects/crochet-rpi/src/sys =
-I/usr/home/tim/projects/crochet-rpi/src/sys/contrib/altq =
-I/usr/home/tim/projects/crochet-rpi/src/sys/contrib/libfdt -D_KERNEL =
-DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h  -funwind-tables =
-mllvm -arm-enable-ehabi -ffreestanding -Werror  vers.c
linking kernel.debug
cam.o:(.ARM.exidx+0x0): undefined reference to `__aeabi_unwind_cpp_pr0'
cam.o:(.ARM.exidx+0x10): undefined reference to `__aeabi_unwind_cpp_pr1'
cam_periph.o:(.ARM.exidx+0x0): undefined reference to =
`__aeabi_unwind_cpp_pr1'
cam_periph.o:(.ARM.exidx+0x10): undefined reference to =
`__aeabi_unwind_cpp_pr0'
cam_queue.o:(.ARM.exidx+0x0): undefined reference to =
`__aeabi_unwind_cpp_pr1'
cam_queue.o:(.ARM.exidx+0x18): undefined reference to =
`__aeabi_unwind_cpp_pr0'
cam_sim.o:(.ARM.exidx+0x0): undefined reference to =
`__aeabi_unwind_cpp_pr0'
cam_sim.o:(.ARM.exidx+0x18): undefined reference to =
`__aeabi_unwind_cpp_pr1'
cam_xpt.o:(.ARM.exidx+0x0): undefined reference to =
`__aeabi_unwind_cpp_pr1'
cam_xpt.o:(.ARM.exidx+0x18): undefined reference to =
`__aeabi_unwind_cpp_pr0'