=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for elftoolchain-0.7.1
all ===> common
all ===> libelf
m4 -D SRCDIR=/tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1/libelf  libelf_fsize.m4 > libelf_fsize.c
m4 -D SRCDIR=/tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1/libelf  libelf_msize.m4 > libelf_msize.c
m4 -D SRCDIR=/tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1/libelf  libelf_convert.m4 > libelf_convert.c
#   compile  libelf/elf.o
gcc -O2 -mieee -D_FORTIFY_SOURCE=2   -std=gnu99    -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare  -Wsystem-headers   -Wno-traditional   -Wa,--fatal-warnings  -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter -Wno-sign-compare -Wold-style-definition -Wconversion -Wsign-compare -Wformat=2  -Wno-format-zero-length  -Werror -Wno-error=sign-conversion  -Wno-error=conversion  -Wno-error=unused-but-set-variable  -Wno-error=old-style-definition  -Wno-error=shift-negative-value -mieee   -I. -I/tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1/libelf -I/tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1/libelf/../common   -c    elf.c -o elf.o
cc1: error: -Werror=shift-negative-value: no option -Wshift-negative-value
*** Error code 1

Stop.
make[1]: stopped in /tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1/libelf
*** Error code 1

Stop.
make: stopped in /tmp/pkgbuild/devel/elftoolchain/work.alpha/elftoolchain-0.7.1
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/devel/elftoolchain
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/elftoolchain