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