category TLCore
shortdesc LuaTeX with HarfBuzz library for glyph shaping

# Until TL'20, we only have this for auto-built platforms and Windows,
# via /home/texlive/luahbtmp on tug.
#
# Keep in sync with latex-bin-dev.tlpsrc
tlpsetvar no_luahb_platforms \
  amd64-netbsd,armhf-linux,i386-cygwin,i386-netbsd,x86_64-cygwin
#
binpattern f/!${no_luahb_platforms} bin/${ARCH}/luahbtex

# For the TL'20 release, we should have luahbtex for all platforms.
# For now, on platforms where there is no luahbtex, it will be ignored
# due to the special --no-error-if-no-engine option in fmtutil,
# invoked by specifications in TLConfig.pm and tlmgr.pl.
execute AddFormat name=luahbtex engine=luahbtex \
  patterns=language.def,language.dat.lua \
  options="luatex.ini" \
  fmttriggers=${global_luatex_deps},luatex

# can't have luahbtex without luatex.
depend luatex