Build of strace with musl toolchain

The build took 00h 01m 14s and was NOT successful.

The program in this build is written in the following languages, according to sloccount:

SLOCLanguage
50,890 ansic
6,560 sh
352 perl
285 awk
72 makefile
44 lisp
6 sed
58,209 total

The process tree of the build process is here.

List of Errors

Log

To avoid scrolling, you may jump to the last line of the invocation of makepkg that was used to build this package.

Removed vanilla repositories from pacman.conf and added:
# [tuscan]
# Server = file:///var/cache/pacman/pkg/

CMD: pacman -Syy --noconfirm
# :: Synchronizing package databases...
# downloading tuscan.db...

There were existing files in /sysroot, using those
# /sysroot/lib
# /sysroot/share
# /sysroot/bin
# /sysroot/include
# /sysroot/libexec

CMD: sudo -u tuscan PATH=/sysroot/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin CC=clang CXX=clang++ red makepkg --noextract --syncdeps --skipinteg --skippgpcheck --skipchecksums --noconfirm --nocolor --log --noprogressbar --nocheck
# ==> Making package: strace 4.12-1 (Wed Apr 5 02:08:44 UTC 2017)
# ==> Checking runtime dependencies...
# ==> Installing missing dependencies...
# error: target not found: libunwind
 # ==> ERROR: 'pacman' failed to install missing dependencies.