65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*
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* lgi-check.c - Check that LGI is available
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*
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* Copyright © 2017 Uli Schlachter <psychon@znc.in>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#include <stdio.h>
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#include <stdlib.h>
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const char commands[] =
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"pcall(require, 'luarocks.loader')\n"
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"print(string.format('Building for %s.', jit and jit.version or _VERSION))\n"
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"local lgi_version = require('lgi.version')\n"
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"print(string.format('Found lgi %s.', lgi_version))\n"
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"_, _, major_minor, patch = string.find(lgi_version, '^(%d%.%d)%.(%d)')\n"
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"if tonumber(major_minor) < 0.8 or (tonumber(major_minor) == 0.8 and tonumber(patch) < 0) then\n"
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" error(string.format('lgi is too old, need at least version %s, got %s.',\n"
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" '0.8.0', require('lgi.version')))\n"
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"end\n"
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"lgi = require('lgi')\n"
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"assert(lgi.cairo, lgi.Pango, lgi.PangoCairo, lgi.GLib, lgi.Gio, lgi.GdkPixbuf)\n"
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;
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int main()
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{
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int result = 0;
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const char *env = "AWESOME_IGNORE_LGI";
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lua_State *L = luaL_newstate();
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luaL_openlibs(L);
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if (luaL_dostring(L, commands))
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{
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fprintf(stderr, "Error: %s\n",
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lua_tostring(L, -1));
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fprintf(stderr, "\n\n WARNING\n =======\n\n"
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" The lgi check failed.\n"
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" Awesome needs lgi to run.\n"
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" Add %s=1 to your environment to continue.\n\n\n",
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env);
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if (getenv(env) == NULL)
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result = 1;
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}
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lua_close(L);
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return result;
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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