[{"id":3676125,"web_url":"http://patchwork.ozlabs.org/comment/3676125/","msgid":"","list_archive_url":null,"date":"2026-04-11T08:10:52","subject":"Re: [Buildroot] [PATCH 0/1] [RFC] re-add lua 5.2.4","submitter":{"id":14327,"url":"http://patchwork.ozlabs.org/api/people/14327/","name":"François Perrad","email":"francois.perrad@gadz.org"},"content":"Le ven. 10 avr. 2026 à 03:44, Sen Hastings a écrit :\n\n> I'm caught a bit between a rock and a hard place,\n> I want to use the simplefb (https://codeberg.org/gnarz/simplefb) library\n> with mpv, however simplefb needs lua 5.2 (or later with slight\n> modification)\n> and cannot be easily backported to 5.1.\n>\n\n\nThere are few incompatibility between C/API Lua versions.\nIt is easy to write a compatible code for simplefb.\nThe following patch does the job, compatible from Lua 5.1 to Lua 5.5.\n\nSo, Lua 5.2 is not needed.\n\nFrançois\n\n---\n lsimplefb.c | 14 ++++++++++++++\n 1 file changed, 14 insertions(+)\n\ndiff --git a/lsimplefb.c b/lsimplefb.c\nindex 5efcf11..9e19d4e 100644\n--- a/lsimplefb.c\n+++ b/lsimplefb.c\n@@ -11,6 +11,16 @@\n #include \"lua.h\"\n #include \"lauxlib.h\"\n\n+#if LUA_VERSION_NUM < 502\n+#define luaL_setfuncs(L,l,n) luaL_register(L, NULL, (l))\n+#endif\n+\n+#if LUA_VERSION_NUM != 502\n+#define luaL_checkunsigned luaL_checkinteger\n+#define luaL_optunsigned luaL_optinteger\n+#define lua_pushunsigned lua_pushinteger\n+#endif\n+\n #include \"simplefb.h\"\n\n #define VERSION 0.1\n@@ -533,7 +543,11 @@ static const struct luaL_Reg fbL_functions [] ={\n */\n int luaopen_simplefb(lua_State *L)\n {\n+#if LUA_VERSION_NUM >= 502\n luaL_newlib(L, fbL_functions);\n+#else\n+ luaL_register(L, \"simplefb\", fbL_functions);\n+#endif\n\n lua_pushliteral(L, \"_VERSION\");\n lua_pushnumber(L, VERSION);","headers":{"Return-Path":"","X-Original-To":["incoming-buildroot@patchwork.ozlabs.org","buildroot@buildroot.org"],"Delivered-To":["patchwork-incoming-buildroot@legolas.ozlabs.org","buildroot@buildroot.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=PVmzaifY;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=140.211.166.136; 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