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