Build of optipng with vanilla toolchain

The build took 00h 00m 33s and was NOT successful.

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

SLOCLanguage
80,434 ansic
5,982 sh
3,276 asm
1,681 ada
1,131 pascal
1,001 cpp
879 cs
782 awk
406 makefile
104 perl
95,676 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...

CMD: sudo -u tuscan red makepkg --noextract --syncdeps --skipinteg --skippgpcheck --skipchecksums --noconfirm --nocolor --log --noprogressbar --nocheck
# ==> Making package: optipng 0.7.6-1 (Wed Aug 24 12:40:37 UTC 2016)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# ./configure: error: unknown option: --host=x86_64-unknown-linux
# Type "./configure -help" for help
# ==> ERROR: A failure occurred in build().
# Aborting...