premake/premake4.lua

165 lines
3.5 KiB
Lua

--
-- Premake 4.x build configuration script
--
if (_ACTION == "vs2002" or _ACTION == "vs2003") then
error(
"\nBecause of compiler limitations, Visual Studio 2002 and 2003 aren't able to\n" ..
"build this version of Premake. Use the free Visual Studio Express instead.", 0)
end
--
-- Use the --to=path option to control where the project files get generated. I use
-- this to create project files for each supported toolset, each in their own folder,
-- in preparation for deployment.
--
newoption {
trigger = "to",
value = "path",
description = "Set the output location for the generated files"
}
--
-- Define the project. Put the release configuration first so it will be the
-- default when folks build using the makefile. That way they don't have to
-- worry about the /scripts argument and all that.
--
solution "Premake4"
configurations { "Release", "Debug" }
location ( _OPTIONS["to"] )
project "Premake4"
targetname "premake4"
language "C"
kind "ConsoleApp"
flags { "No64BitChecks", "ExtraWarnings" }
includedirs { "src/host/lua-5.1.4/src" }
location ( _OPTIONS["to"] )
files
{
"src/**.h", "src/**.c", "src/**.lua",
"tests/**.lua"
}
excludes
{
"src/premake.lua",
"src/host/lua-5.1.4/src/lua.c",
"src/host/lua-5.1.4/src/luac.c",
"src/host/lua-5.1.4/src/print.c",
"src/host/lua-5.1.4/**.lua",
"src/host/lua-5.1.4/etc/*.c"
}
configuration "Debug"
targetdir "bin/debug"
defines "_DEBUG"
flags { "Symbols" }
configuration "Release"
targetdir "bin/release"
defines "NDEBUG"
flags { "OptimizeSize" }
configuration "vs*"
defines { "_CRT_SECURE_NO_WARNINGS" }
configuration "linux"
defines { "LUA_USE_LINUX" }
links { "m", "dl" }
configuration "macosx"
defines { "LUA_USE_MACOSX" }
--
-- A more thorough cleanup.
--
if _ACTION == "clean" then
os.rmdir("bin")
os.rmdir("build")
end
--
-- Embed the Lua scripts into src/host/scripts.c as static data buffers.
-- I embed the actual scripts, rather than Lua bytecodes, because the
-- bytecodes are not portable to different architectures.
--
local function loadscript(fname)
local f = io.open(fname)
local s = f:read("*a")
f:close()
-- strip out comments
s = s:gsub("[\n]%-%-[^\n]*", "")
-- strip any CRs
s = s:gsub("[\r]", "")
-- escape backslashes
s = s:gsub("\\", "\\\\")
-- escape line feeds
s = s:gsub("\n", "\\n")
-- escape double quote marks
s = s:gsub("\"", "\\\"")
return s
end
local function embedfile(out, fname)
local s = loadscript(fname)
-- strip tabs
s = s:gsub("[\t]", "")
-- strip duplicate line feeds
local t = s
repeat
s = t
t = s:gsub("\\n\\n", "\\n")
until s == t
out:write("\t\"")
out:write(s)
out:write("\",\n")
end
premake.actions["embed"] = {
description = "Embed scripts in scripts.c; required before release builds",
execute = function ()
-- load the manifest of script files
scripts = dofile("src/_manifest.lua")
table.insert(scripts, "_premake_main.lua")
-- open scripts.c and write the file header
local out = io.open("src/host/scripts.c", "w+b")
out:write("/* Premake's Lua scripts, as static data buffers for release mode builds */\n")
out:write("/* To regenerate this file, run: premake4 embed */ \n\n")
out:write("const char* builtin_scripts[] = {\n")
for i,fn in ipairs(scripts) do
print(fn)
s = embedfile(out, "src/"..fn)
end
out:write("\t0\n};\n");
out:close()
end
}