diff options
Diffstat (limited to 'src/luaotfload-main.lua')
| -rw-r--r-- | src/luaotfload-main.lua | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/luaotfload-main.lua b/src/luaotfload-main.lua index 9e8d088..25be3db 100644 --- a/src/luaotfload-main.lua +++ b/src/luaotfload-main.lua @@ -13,9 +13,30 @@ local luaotfload = luaotfload luaotfload.log = luaotfload.log or { } luaotfload.version = "2.7" luaotfload.loaders = { } -luaotfload.min_luatex_version = 95 --- i. e. 0.95 +luaotfload.min_luatex_version = { 0, 95, 0 } --- i. e. 0.95.0 luaotfload.fontloader_package = "reference" --- default: from current Context +if not tex or not tex.luatexversion then + error "this program must be run in TeX mode" --- or call tex.initialize() =) +else + --- version check + local major = tex.luatexversion / 100 + local minor = tex.luatexversion % 100 + local revision = tex.luatexrevision --[[ : string ]] + local revno = tonumber (revision) + local minimum = luaotfload.min_luatex_version + if major < minimum [1] or minor < minimum [2] + or revno and revno < minimum [3] + then + texio.write_nl ("term and log", + string.format ("\tFATAL ERROR\n\z + \tLuaotfload requires a Luatex version >= %d.%d.%d.\n\z + \tPlease update your TeX distribution!\n\n", + (unpack or table.unpack) (minimum))) + error "version check failed" + end +end + local authors = "\z Hans Hagen,\z Khaled Hosny,\z |