Build of buckygen with musl toolchain

The build took 00h 01m 02s and was NOT successful.

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

SLOCLanguage
9,850 ansic
14 makefile
9,864 total

The process tree of the build process is here.

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

Log

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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: buckygen 1.0-1 (Tue Apr 4 22:54:30 UTC 2017)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# rm -f buckygen
# gcc -O4 buckygen.c -o buckygen
# clang-3.8: warning: -O4 is equivalent to -O3
# In file included from buckygen.c:272:
# ./splay.c:139:6: warning: implicit declaration of function 'outputnode' is invalid in C99 [-Wimplicit-function-declaration]
# ACTION(p);
# ^
# buckygen.c:254:19: note: expanded from macro 'ACTION'
# #define ACTION(p) outputnode(p)
# ^
# In file included from buckygen.c:272:
# ./splay.c:263:15: warning: implicit declaration of function 'comparenodes' is invalid in C99 [-Wimplicit-function-declaration]
# cmp = COMPARE(p);
# ^
# buckygen.c:260:20: note: expanded from macro 'COMPARE'
# #define COMPARE(p) comparenodes(canong, codelength, type, p)
# ^
# In file included from buckygen.c:272:
# ./splay.c:352:20: error: non-void function 'splay_delete' should return a value [-Wreturn-type]
# if (p == NULL) return;
# ^
# ./splay.c:366:2: error: non-void function 'splay_delete' should return a value [-Wreturn-type]
# return;
# ^
# ./splay.c:376:9: error: non-void function 'splay_delete' should return a value [-Wreturn-type]
# return;
# ^
# buckygen.c:943:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
# outputnode(SPLAYNODE *liste)
# ^
# 3 warnings and 3 errors generated.
# make: *** [makefile:12: buckygen] Error 1
# ==> ERROR: A failure occurred in build().
# Aborting...