iw4x-client/premake5.lua

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gitVersioningCommand = "git describe --tags --dirty --always"
gitCurrentBranchCommand = "git symbolic-ref -q --short HEAD"
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-- Quote the given string input as a C string
function cstrquote(value)
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if value == nil then
return "\"\""
end
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result = value:gsub("\\", "\\\\")
result = result:gsub("\"", "\\\"")
result = result:gsub("\n", "\\n")
result = result:gsub("\t", "\\t")
result = result:gsub("\r", "\\r")
result = result:gsub("\a", "\\a")
result = result:gsub("\b", "\\b")
result = "\"" .. result .. "\""
return result
end
-- Converts tags in "vX.X.X" format to an array of numbers {X,X,X}.
-- In the case where the format does not work fall back to old {4,2,REVISION}.
function vertonumarr(value, vernumber)
vernum = {}
for num in string.gmatch(value, "%d+") do
table.insert(vernum, tonumber(num))
end
if #vernum < 3 then
return {4,2,tonumber(vernumber)}
end
return vernum
end
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dependencies = {
basePath = "./deps"
}
function dependencies.load()
dir = path.join(dependencies.basePath, "premake/*.lua")
deps = os.matchfiles(dir)
for i, dep in pairs(deps) do
dep = dep:gsub(".lua", "")
require(dep)
end
end
function dependencies.imports()
for i, proj in pairs(dependencies) do
if type(i) == 'number' then
proj.import()
end
end
end
function dependencies.projects()
for i, proj in pairs(dependencies) do
if type(i) == 'number' then
proj.project()
end
end
end
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newoption {
trigger = "copy-to",
description = "Optional, copy the DLL to a custom folder after build, define the path here if wanted.",
value = "PATH"
}
newoption {
trigger = "copy-pdb",
description = "Copy debug information for binaries as well to the path given via --copy-to."
}
newoption {
trigger = "force-unit-tests",
description = "Always compile unit tests."
}
newoption {
trigger = "force-exception-handler",
description = "Install custom unhandled exception handler even for Debug builds."
}
newoption {
trigger = "disable-binary-check",
description = "Do not perform integrity checks on the exe."
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}
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newoption {
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trigger = "iw4x-zones",
description = "Zonebuilder generates iw4x zones that cannot be loaded without IW4x specific patches."
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}
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newaction {
trigger = "version",
description = "Returns the version string for the current commit of the source code.",
onWorkspace = function(wks)
-- get current version via git
local proc = assert(io.popen(gitVersioningCommand, "r"))
local gitDescribeOutput = assert(proc:read('*a')):gsub("%s+", "")
proc:close()
local version = gitDescribeOutput
proc = assert(io.popen(gitCurrentBranchCommand, "r"))
local gitCurrentBranchOutput = assert(proc:read('*a')):gsub("%s+", "")
local gitCurrentBranchSuccess = proc:close()
if gitCurrentBranchSuccess then
-- We got a branch name, check if it is a feature branch
if gitCurrentBranchOutput ~= "develop" and gitCurrentBranchOutput ~= "master" then
version = version .. "-" .. gitCurrentBranchOutput
end
end
print(version)
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os.exit(0)
end
}
newaction {
trigger = "generate-buildinfo",
description = "Sets up build information file like version.h.",
onWorkspace = function(wks)
-- get revision number via git
local proc = assert(io.popen("git rev-list --count HEAD", "r"))
local revNumber = assert(proc:read('*a')):gsub("%s+", "")
-- get current version via git
local proc = assert(io.popen(gitVersioningCommand, "r"))
local gitDescribeOutput = assert(proc:read('*a')):gsub("%s+", "")
proc:close()
-- get whether this is a clean revision (no uncommitted changes)
proc = assert(io.popen("git status --porcelain", "r"))
local revDirty = (assert(proc:read('*a')) ~= "")
if revDirty then revDirty = 1 else revDirty = 0 end
proc:close()
-- get current tag name
proc = assert(io.popen("git describe --tags --abbrev=0"))
local tagName = assert(proc:read('*l'))
-- get old version number from version.hpp if any
local oldVersion = "(none)"
local oldVersionHeader = io.open(wks.location .. "/src/version.h", "r")
if oldVersionHeader ~= nil then
local oldVersionHeaderContent = assert(oldVersionHeader:read('*l'))
while oldVersionHeaderContent do
m = string.match(oldVersionHeaderContent, "#define GIT_DESCRIBE (.+)%s*$")
if m ~= nil then
oldVersion = m
end
oldVersionHeaderContent = oldVersionHeader:read('*l')
end
end
-- generate version.hpp with a revision number if not equal
gitDescribeOutputQuoted = cstrquote(gitDescribeOutput)
if oldVersion ~= gitDescribeOutputQuoted then
print ("Update " .. oldVersion .. " -> " .. gitDescribeOutputQuoted)
local versionHeader = assert(io.open(wks.location .. "/src/version.h", "w"))
versionHeader:write("/*\n")
versionHeader:write(" * Automatically generated by premake5.\n")
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versionHeader:write(" * Do not touch!\n")
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versionHeader:write(" */\n")
versionHeader:write("\n")
versionHeader:write("#define GIT_DESCRIBE " .. gitDescribeOutputQuoted .. "\n")
versionHeader:write("#define GIT_DIRTY " .. revDirty .. "\n")
versionHeader:write("#define GIT_TAG " .. cstrquote(tagName) .. "\n")
versionHeader:write("\n")
versionHeader:write("// Legacy definitions (needed for update check)\n")
versionHeader:write("#define REVISION " .. revNumber .. "\n")
versionHeader:write("\n")
versionHeader:write("// Version transformed for RC files\n")
versionHeader:write("#define VERSION_RC " .. table.concat(vertonumarr(tagName, revNumber), ",") .. "\n")
versionHeader:write("\n")
versionHeader:write("// Alias definitions\n")
versionHeader:write("#define VERSION GIT_DESCRIBE\n")
versionHeader:write("#define SHORTVERSION " .. cstrquote(table.concat(vertonumarr(tagName, revNumber), ".")) .. "\n")
versionHeader:close()
local versionHeader = assert(io.open(wks.location .. "/src/version.hpp", "w"))
versionHeader:write("/*\n")
versionHeader:write(" * Automatically generated by premake5.\n")
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versionHeader:write(" * Do not touch!\n")
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versionHeader:write(" *\n")
versionHeader:write(" * This file exists for reasons of complying with our coding standards.\n")
versionHeader:write(" *\n")
versionHeader:write(" * The Resource Compiler will ignore any content from C++ header files if they're not from STDInclude.hpp.\n")
versionHeader:write(" * That's the reason why we now place all version info in version.h instead.\n")
versionHeader:write(" */\n")
versionHeader:write("\n")
versionHeader:write("#include \".\\version.h\"\n")
versionHeader:close()
end
end
}
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dependencies.load()
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workspace "iw4x"
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startproject "iw4x"
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location "./build"
objdir "%{wks.location}/obj"
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targetdir "%{wks.location}/bin/%{cfg.platform}/%{cfg.buildcfg}"
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configurations {"Debug", "Release"}
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language "C++"
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cppdialect "C++20"
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architecture "x86"
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platforms "Win32"
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systemversion "latest"
symbols "On"
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staticruntime "On"
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editandcontinue "Off"
warnings "Extra"
characterset "ASCII"
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flags {"NoIncrementalLink", "NoMinimalRebuild", "MultiProcessorCompile", "No64BitChecks"}
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filter "platforms:Win*"
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defines {"_WINDOWS", "WIN32"}
filter {}
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filter "configurations:Release"
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optimize "Size"
buildoptions {"/GL"}
linkoptions {"/IGNORE:4702", "/LTCG"}
defines {"NDEBUG"}
flags {"FatalCompileWarnings", "FatalLinkWarnings"}
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if not _OPTIONS["force-unit-tests"] then
rtti ("Off")
end
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filter {}
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filter "configurations:Debug"
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optimize "Debug"
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defines {"DEBUG", "_DEBUG"}
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filter {}
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project "iw4x"
kind "SharedLib"
language "C++"
files {
"./src/**.rc",
"./src/**.hpp",
"./src/**.cpp",
}
includedirs {
"%{prj.location}/src",
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"./src",
"./lib/include",
}
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resincludedirs {
"$(ProjectDir)src" -- fix for VS IDE
}
-- Debug flags
if _OPTIONS["force-unit-tests"] then
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defines {"FORCE_UNIT_TESTS"}
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end
if _OPTIONS["force-exception-handler"] then
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defines {"FORCE_EXCEPTION_HANDLER"}
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end
if _OPTIONS["disable-binary-check"] then
defines {"DISABLE_BINARY_CHECK"}
end
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if _OPTIONS["iw4x-zones"] then
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defines {"GENERATE_IW4X_SPECIFIC_ZONES"}
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end
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-- Pre-compiled header
pchheader "STDInclude.hpp" -- must be exactly same as used in #include directives
pchsource "src/STDInclude.cpp" -- real path
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dependencies.imports()
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-- Pre-build
prebuildcommands
{
"pushd %{_MAIN_SCRIPT_DIR}",
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"tools\\premake5 generate-buildinfo",
"popd",
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}
-- Post-build
if _OPTIONS["copy-to"] then
saneCopyToPath = string.gsub(_OPTIONS["copy-to"] .. "\\", "\\\\", "\\")
postbuildcommands {
"if not exist \"" .. saneCopyToPath .. "\" mkdir \"" .. saneCopyToPath .. "\"",
}
if _OPTIONS["copy-pdb"] then
postbuildcommands {
"copy /y \"$(TargetDir)*.pdb\" \"" .. saneCopyToPath .. "\"",
}
end
-- This has to be the last one, as otherwise VisualStudio will succeed building even if copying fails
postbuildcommands {
"copy /y \"$(TargetDir)*.dll\" \"" .. saneCopyToPath .. "\"",
}
end
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group "External Dependencies"
dependencies.projects()
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rule "ProtobufCompiler"
display "Protobuf compiler"
location "./build"
fileExtension ".proto"
buildmessage "Compiling %(Identity) with protoc..."
buildcommands {
'@echo off',
'path "$(SolutionDir)\\..\\tools"',
'if not exist "$(ProjectDir)\\src\\proto" mkdir "$(ProjectDir)\\src\\proto"',
'protoc --error_format=msvs -I=%(RelativeDir) --cpp_out=src\\proto %(Identity)',
}
buildoutputs {
'$(ProjectDir)\\src\\proto\\%(Filename).pb.cc',
'$(ProjectDir)\\src\\proto\\%(Filename).pb.h',
}