winamp/Src/external_dependencies/openmpt-trunk/include/premake/modules/gmake2/gmake2.lua

349 lines
7.4 KiB
Lua

--
-- gmake2.lua
-- (c) 2016-2017 Jason Perkins, Blizzard Entertainment and the Premake project
--
local p = premake
local project = p.project
p.modules.gmake2 = {}
p.modules.gmake2._VERSION = p._VERSION
local gmake2 = p.modules.gmake2
--
-- Write out the default configuration rule for a workspace or project.
--
-- @param target
-- The workspace or project object for which a makefile is being generated.
--
function gmake2.defaultconfig(target)
-- find the right configuration iterator function for this object
local eachconfig = iif(target.project, project.eachconfig, p.workspace.eachconfig)
local defaultconfig = nil
-- find the right default configuration platform, grab first configuration that matches
if target.defaultplatform then
for cfg in eachconfig(target) do
if cfg.platform == target.defaultplatform then
defaultconfig = cfg
break
end
end
end
-- grab the first configuration and write the block
if not defaultconfig then
local iter = eachconfig(target)
defaultconfig = iter()
end
if defaultconfig then
_p('ifndef config')
_x(' config=%s', defaultconfig.shortname)
_p('endif')
_p('')
end
end
---
-- Escape a string so it can be written to a makefile.
---
function gmake2.esc(value)
result = value:gsub("\\", "\\\\")
result = result:gsub("\"", "\\\"")
result = result:gsub(" ", "\\ ")
result = result:gsub("%(", "\\(")
result = result:gsub("%)", "\\)")
-- leave $(...) shell replacement sequences alone
result = result:gsub("$\\%((.-)\\%)", "$(%1)")
return result
end
--
-- Get the makefile file name for a workspace or a project. If this object is the
-- only one writing to a location then I can use "Makefile". If more than one object
-- writes to the same location I use name + ".make" to keep it unique.
--
function gmake2.getmakefilename(this, searchprjs)
local count = 0
for wks in p.global.eachWorkspace() do
if wks.location == this.location then
count = count + 1
end
if searchprjs then
for _, prj in ipairs(wks.projects) do
if prj.location == this.location then
count = count + 1
end
end
end
end
if count == 1 then
return "Makefile"
else
return ".make"
end
end
--
-- Output a makefile header.
--
-- @param target
-- The workspace or project object for which the makefile is being generated.
--
function gmake2.header(target)
local kind = iif(target.project, "project", "workspace")
_p('# %s %s makefile autogenerated by Premake', p.action.current().shortname, kind)
_p('')
gmake2.defaultconfig(target)
_p('ifndef verbose')
_p(' SILENT = @')
_p('endif')
_p('')
end
--
-- Rules for file ops based on the shell type. Can't use defines and $@ because
-- it screws up the escaping of spaces and parethesis (anyone know a fix?)
--
function gmake2.mkdir(dirname)
_p('ifeq (posix,$(SHELLTYPE))')
_p('\t$(SILENT) mkdir -p %s', dirname)
_p('else')
_p('\t$(SILENT) mkdir $(subst /,\\\\,%s)', dirname)
_p('endif')
end
function gmake2.mkdirRules(dirname)
_p('%s:', dirname)
_p('\t@echo Creating %s', dirname)
gmake2.mkdir(dirname)
_p('')
end
--
-- Format a list of values to be safely written as part of a variable assignment.
--
function gmake2.list(value, quoted)
quoted = false
if #value > 0 then
if quoted then
local result = ""
for _, v in ipairs (value) do
if #result then
result = result .. " "
end
result = result .. p.quoted(v)
end
return result
else
return " " .. table.concat(value, " ")
end
else
return ""
end
end
--
-- Convert an arbitrary string (project name) to a make variable name.
--
function gmake2.tovar(value)
value = value:gsub("[ -]", "_")
value = value:gsub("[()]", "")
return value
end
function gmake2.getToolSet(cfg)
local default = iif(cfg.system == p.MACOSX, "clang", "gcc")
local toolset = p.tools[_OPTIONS.cc or cfg.toolset or default]
if not toolset then
error("Invalid toolset '" .. cfg.toolset .. "'")
end
return toolset
end
function gmake2.outputSection(prj, callback)
local root = {}
for cfg in project.eachconfig(prj) do
-- identify the toolset used by this configurations (would be nicer if
-- this were computed and stored with the configuration up front)
local toolset = gmake2.getToolSet(cfg)
local settings = {}
local funcs = callback(cfg)
for i = 1, #funcs do
local c = p.capture(function ()
funcs[i](cfg, toolset)
end)
if #c > 0 then
table.insert(settings, c)
end
end
if not root.settings then
root.settings = table.arraycopy(settings)
else
root.settings = table.intersect(root.settings, settings)
end
root[cfg] = settings
end
if #root.settings > 0 then
for _, v in ipairs(root.settings) do
p.outln(v)
end
p.outln('')
end
local first = true
for cfg in project.eachconfig(prj) do
local settings = table.difference(root[cfg], root.settings)
if #settings > 0 then
if first then
_x('ifeq ($(config),%s)', cfg.shortname)
first = false
else
_x('else ifeq ($(config),%s)', cfg.shortname)
end
for k, v in ipairs(settings) do
p.outln(v)
end
_p('')
end
end
if not first then
p.outln('endif')
p.outln('')
end
end
-- convert a rule property into a string
---------------------------------------------------------------------------
--
-- Handlers for the individual makefile elements that can be shared
-- between the different language projects.
--
---------------------------------------------------------------------------
function gmake2.phonyRules(prj)
_p('.PHONY: clean prebuild')
_p('')
end
function gmake2.shellType()
_p('SHELLTYPE := posix')
_p('ifeq (.exe,$(findstring .exe,$(ComSpec)))')
_p('\tSHELLTYPE := msdos')
_p('endif')
_p('')
end
function gmake2.target(cfg, toolset)
p.outln('TARGETDIR = ' .. project.getrelative(cfg.project, cfg.buildtarget.directory))
p.outln('TARGET = $(TARGETDIR)/' .. cfg.buildtarget.name)
end
function gmake2.objdir(cfg, toolset)
p.outln('OBJDIR = ' .. project.getrelative(cfg.project, cfg.objdir))
end
function gmake2.settings(cfg, toolset)
if #cfg.makesettings > 0 then
for _, value in ipairs(cfg.makesettings) do
p.outln(value)
end
end
local value = toolset.getmakesettings(cfg)
if value then
p.outln(value)
end
end
function gmake2.buildCmds(cfg, event)
_p('define %sCMDS', event:upper())
local steps = cfg[event .. "commands"]
local msg = cfg[event .. "message"]
if #steps > 0 then
steps = os.translateCommandsAndPaths(steps, cfg.project.basedir, cfg.project.location)
msg = msg or string.format("Running %s commands", event)
_p('\t@echo %s', msg)
_p('\t%s', table.implode(steps, "", "", "\n\t"))
end
_p('endef')
end
function gmake2.preBuildCmds(cfg, toolset)
gmake2.buildCmds(cfg, "prebuild")
end
function gmake2.preLinkCmds(cfg, toolset)
gmake2.buildCmds(cfg, "prelink")
end
function gmake2.postBuildCmds(cfg, toolset)
gmake2.buildCmds(cfg, "postbuild")
end
function gmake2.targetDirRules(cfg, toolset)
gmake2.mkdirRules("$(TARGETDIR)")
end
function gmake2.objDirRules(cfg, toolset)
gmake2.mkdirRules("$(OBJDIR)")
end
function gmake2.preBuildRules(cfg, toolset)
_p('prebuild: | $(OBJDIR)')
_p('\t$(PREBUILDCMDS)')
_p('')
end
include("gmake2_cpp.lua")
include("gmake2_csharp.lua")
include("gmake2_makefile.lua")
include("gmake2_utility.lua")
include("gmake2_workspace.lua")
return gmake2