awesome/build-utils/lgi-check.c
2019-10-05 17:16:22 -04:00

64 lines
2.2 KiB
C

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