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#!/usr/bin/lua50
-- -*- Lua -*-
-- This file is under the terms of the MIT licence. Do as you will.
-- Process the arg table
function usage()
info();
io.stderr:write([[Usage: lua-config50 <options>
Valid options are:
--include Outputs the -I switches needed to find <lua.h> etc.
--static Outputs the full path to the static libraries
--libs Outputs the -L and -l switches needed to find the library
--libs-only-L Outputs only the -L switches
--libs-only-l Outputs only the -l switches
--extralibs Outputs the -l switches appropriate to the extra libs needed by lua
Note that --static is mututally exclusive with the --libs* options
Also, you can specify the following
--vmonly Outputs only the switches for finding the VM libraries
--libonly Outputs only the switches for finding the standard libraries
--both Outputs the switches for both [The default]
Example:
gcc `lua-config50 --include` my_prog.c -o my_prog `lua-config50 --libs`
]] );
os.exit(1);
end
function version()
io.stdout:write( [[5.0.0
]] );
os.exit(0);
end
function info()
io.stdout:write( [[lua-config version 1.10 (c) Daniel Silverstone 2002
lua-config was written for the Debian GNU/Linux project. This version
of lua-config will provide switches appropriate to Lua 5.0
]] );
end
if( table.getn(arg) == 0 ) then
usage()
end
output_vm = 1
output_lib = 1
output_static = 0
output_libs_l = 0
output_libs_L = 0
output_include = 0
output_extras = 0
table.foreachi( arg,
function(n,param)
if( param == '--version' ) then
version()
end
if( param == '--help' ) then
usage()
end
if( param == '--include' ) then
output_include = 1;
return
end
if( param == '--libs' ) then
output_libs_l = 1;
output_libs_L = 1;
return
end
if( param == '--libs-only-L' ) then
output_libs_L = 1;
return
end
if( param == '--libs-only-l' ) then
output_libs_l = 1;
return
end
if( param == '--extralibs' ) then
output_extras = 1;
return
end
if( param == '--static' ) then
output_static = 1;
return
end
if( param == '--vmonly' ) then
output_vm = 1;
output_lib = 0;
return
end
if( param == '--libonly' ) then
output_lib = 1;
output_vm = 0;
return
end
if( param == '--both' ) then
output_lib = 1;
output_vm = 1;
return
end
io.stderr:write( "Unknown argument ", param );
usage();
end );
if( (output_extras output_libs_l output_libs_L output_include output_static) == 0 ) then
usage()
end
if( (output_static (output_libs_l or output_libs_L)) > 1 ) then
usage();
end
outargs = {}
if( output_include == 1 ) then
table.insert( outargs, "-I/usr/include/lua50" );
end
if( output_libs_L == 1 ) then
table.insert( outargs, "-L/usr/include" );
end
if( output_libs_l == 1 ) then
if( output_lib == 1 ) then
table.insert( outargs, "-llualib50" );
end
if( output_vm == 1 ) then
table.insert( outargs, "-llua50" );
end
end
if( output_static == 1 ) then
if( output_lib == 1 ) then
table.insert( outargs, "/usr/lib/liblualib50.a" );
end
if( output_vm == 1 ) then
table.insert( outargs, "/usr/lib/liblua50.a" );
end
end
if( output_extras == 1 ) then
table.insert( outargs, "-lm" );
end
io.stdout:write( outargs[1] );
for i=2,table.getn(outargs) do
io.stdout:write( " ", outargs[i] );
end
io.stdout:write( "\n" );
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