Build of libsass with clang_glibc toolchain

The build took 00h 02m 36s and was NOT successful.

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

SLOCLanguage
26,036 cpp
801 ansic
582 sh
273 makefile
4 ruby
27,696 total

The process tree of the build process is here.

Several sub-process invocations were improper; see the process tree for details. Summary:

Due to the failure of this package to build, we did not attempt to build several packages that depend on this one. Those packages are:

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...

Copied permanent toolchain into container-local sysroot
# /toolchain_root/sysroot --> /sysroot/sysroot
# /toolchain_root/lib --> /sysroot/lib
# /toolchain_root/sbin --> /sysroot/sbin
# /toolchain_root/lib64 --> /sysroot/lib64
# /toolchain_root/etc --> /sysroot/etc
# /toolchain_root/share --> /sysroot/share
# /toolchain_root/bin --> /sysroot/bin
# /toolchain_root/var --> /sysroot/var
# /toolchain_root/usr --> /sysroot/usr
# /toolchain_root/glibc-build --> /sysroot/glibc-build
# /toolchain_root/x86_64-pc-linux-gnu --> /sysroot/x86_64-pc-linux-gnu
# /toolchain_root/include --> /sysroot/include
# /toolchain_root/libexec --> /sysroot/libexec

CMD: sudo -u tuscan PATH=/usr/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: libsass 3.3.6-1 (Thu Apr 13 13:58:26 UTC 2017)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# /usr/bin/m4: stack overflow
# autom4te: /usr/bin/m4 failed with exit status: 1
# aclocal: error: echo failed with exit status: 1
# autoreconf: aclocal failed with exit status: 1
# ==> ERROR: A failure occurred in build().
# Aborting...