pkg:setup
rm -rf ./zlib  # Use system-zlib.
rm -rf ./libpng  # Use system-libpng
pkg:configure --disable-cups --disable-compile-inits --disable-gtk --disable-fontconfig --without-libidn --with-system-libtiff --without-x  --with-libiconv=native --with-arch_h=./ios/ios_arch-arm.h
make CCAUX="${HOSTCC:-clang}" AUXEXTRALIBS="-lz" CFLAGSAUX="-DSTDINT_TYPES_DEFINED -include stdint.h -include sys/types.h -Doff64_t=__off64_t -D__USE_LARGEFILE64"
# https://www.ghostscript.com/doc/9.22/Make.htm#Cross-compiling
pkg:install install-so CCAUX="${HOSTCC:-clang}" AUXEXTRALIBS="-lz" CFLAGSAUX="-DSTDINT_TYPES_DEFINED -include stdint.h -include sys/types.h -Doff64_t=__off64_t -D__USE_LARGEFILE64"