635 lines
16 KiB
Lua
635 lines
16 KiB
Lua
--
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-- make_cpp.lua
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-- Generate a C/C++ project makefile.
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-- Copyright (c) 2002-2014 Jason Perkins and the Premake project
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--
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local p = premake
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p.make.cpp = {}
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local make = p.make
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local cpp = p.make.cpp
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local project = p.project
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local config = p.config
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local fileconfig = p.fileconfig
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---
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-- Add namespace for element definition lists for p.callarray()
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---
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cpp.elements = {}
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--
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-- Generate a GNU make C++ project makefile, with support for the new platforms API.
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--
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cpp.elements.makefile = function(prj)
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return {
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make.header,
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make.phonyRules,
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make.cppConfigs,
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make.cppObjects,
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make.shellType,
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make.cppTargetRules,
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make.cppCustomFilesRules,
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make.cppTargetDirRules,
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make.cppObjDirRules,
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make.cppCleanRules,
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make.preBuildRules,
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make.preLinkRules,
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make.pchRules,
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make.cppFileRules,
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make.cppDependencies,
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}
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end
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-- should be part of the toolset?
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function make.fileTypeExtensions()
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return {
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["objects"] = "o",
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["resources"] = "res",
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}
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end
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-- should be part of the toolset?
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function make.fileType(node)
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local kind
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if path.iscppfile(node.abspath) then
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kind = "objects"
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elseif path.isresourcefile(node.abspath) then
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kind = "resources"
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end
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return kind
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end
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function make.fileDependency(prj, node)
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local filetype = make.fileType(node)
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_x('$(OBJDIR)/%s.%s: %s', node.objname, make.fileTypeExtensions()[filetype], node.relpath)
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_p('\t@echo $(notdir $<)')
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end
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function make.cpp.generate(prj)
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p.eol("\n")
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p.callArray(cpp.elements.makefile, prj)
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end
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--
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-- Write out the commands for compiling a file
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--
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cpp.elements.standardFileRules = function(prj, node)
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return {
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make.fileDependency,
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cpp.standardFileRules,
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}
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end
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cpp.elements.customFileRules = function(prj, node)
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return {
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make.fileDependency,
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cpp.customFileRules,
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}
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end
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cpp.elements.customBuildRules = function(prj, node)
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return {
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cpp.customFileRules
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}
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end
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--
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-- Write out the settings for a particular configuration.
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--
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cpp.elements.configuration = function(cfg, toolset)
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return {
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make.configBegin,
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make.cppTools,
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make.target,
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make.objdir,
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make.pch,
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make.defines,
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make.includes,
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make.forceInclude,
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make.cppFlags,
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make.cFlags,
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make.cxxFlags,
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make.resFlags,
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make.libs,
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make.ldDeps,
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make.ldFlags,
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make.linkCmd,
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make.exePaths,
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make.preBuildCmds,
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make.preLinkCmds,
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make.postBuildCmds,
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make.cppAllRules,
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make.settings,
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make.configEnd,
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}
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end
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function make.cppConfigs(prj)
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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 = p.tools[_OPTIONS.cc or cfg.toolset or "gcc"]
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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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p.callArray(cpp.elements.configuration, cfg, toolset)
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_p('')
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end
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end
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function make.exePaths(cfg)
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local dirs = project.getrelative(cfg.project, cfg.bindirs)
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if #dirs > 0 then
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_p(' EXECUTABLE_PATHS = "%s"', table.concat(dirs, ":"))
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_p(' EXE_PATHS = export PATH=$(EXECUTABLE_PATHS):$$PATH;')
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end
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end
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--
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-- Return the start of the compilation string that corresponds to the 'compileas' enum if set
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--
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function cpp.compileas(prj, node)
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local result
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if node["compileas"] then
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if p.languages.isc(node.compileas) then
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result = '$(CC) $(ALL_CFLAGS)'
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elseif p.languages.iscpp(node.compileas) then
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result = '$(CXX) $(ALL_CXXFLAGS)'
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end
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end
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return result
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end
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--
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-- Build command for a single file.
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--
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function cpp.buildcommand(prj, objext, node)
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local flags = cpp.compileas(prj, node)
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if not flags then
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local iscfile = node and path.iscfile(node.abspath) or false
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flags = iif(prj.language == "C" or iscfile, '$(CC) $(ALL_CFLAGS)', '$(CXX) $(ALL_CXXFLAGS)')
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end
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_p('\t$(SILENT) %s $(FORCE_INCLUDE) -o "$@" -MF "$(@:%%.%s=%%.d)" -c "$<"', flags, objext)
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end
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--
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-- Output the list of file building rules.
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--
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function make.cppFileRules(prj)
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local tr = project.getsourcetree(prj)
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p.tree.traverse(tr, {
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onleaf = function(node, depth)
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-- check to see if this file has custom rules
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local rules
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for cfg in project.eachconfig(prj) do
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local filecfg = fileconfig.getconfig(node, cfg)
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if fileconfig.hasCustomBuildRule(filecfg) then
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rules = cpp.elements.customBuildRules(prj, node)
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break
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end
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if fileconfig.hasFileSettings(filecfg) then
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rules = cpp.elements.customFileRules(prj, node)
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break
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end
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end
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if not rules and make.fileType(node) then
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rules = cpp.elements.standardFileRules(prj, node)
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end
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if rules then
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p.callArray(rules, prj, node)
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end
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end
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})
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_p('')
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end
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function cpp.standardFileRules(prj, node)
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local kind = make.fileType(node)
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-- C/C++ file
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if kind == "objects" then
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cpp.buildcommand(prj, make.fileTypeExtensions()[kind], node)
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-- resource file
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elseif kind == "resources" then
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_p('\t$(SILENT) $(RESCOMP) $< -O coff -o "$@" $(ALL_RESFLAGS)')
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end
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end
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function cpp.customFileRules(prj, node)
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for cfg in project.eachconfig(prj) do
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local filecfg = fileconfig.getconfig(node, cfg)
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if filecfg then
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make.configBegin(cfg)
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if fileconfig.hasCustomBuildRule(filecfg) then
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local output = project.getrelative(prj, filecfg.buildoutputs[1])
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local dependencies = filecfg.relpath
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if filecfg.buildinputs and #filecfg.buildinputs > 0 then
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local inputs = project.getrelative(prj, filecfg.buildinputs)
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dependencies = dependencies .. " " .. table.concat(p.esc(inputs), " ")
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end
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_p('%s: %s', output, dependencies)
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_p('\t@echo "%s"', filecfg.buildmessage or ("Building " .. filecfg.relpath))
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local cmds = os.translateCommandsAndPaths(filecfg.buildcommands, cfg.project.basedir, cfg.project.location)
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for _, cmd in ipairs(cmds) do
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if cfg.bindirs and #cfg.bindirs > 0 then
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_p('\t$(SILENT) $(EXE_PATHS) %s', cmd)
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else
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_p('\t$(SILENT) %s', cmd)
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end
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end
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else
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cpp.standardFileRules(prj, filecfg)
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end
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make.configEnd(cfg)
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end
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end
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end
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--
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-- List the objects file for the project, and each configuration.
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--
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function make.cppObjects(prj)
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-- create lists for intermediate files, at the project level and
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-- for each configuration
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local root = { objects={}, resources={}, customfiles={} }
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local configs = {}
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for cfg in project.eachconfig(prj) do
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configs[cfg] = { objects={}, resources={}, customfiles={} }
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end
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-- now walk the list of files in the project
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local tr = project.getsourcetree(prj)
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p.tree.traverse(tr, {
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onleaf = function(node, depth)
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-- figure out what configurations contain this file, and
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-- if it uses custom build rules
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local incfg = {}
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local inall = true
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local custom = false
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for cfg in project.eachconfig(prj) do
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local filecfg = fileconfig.getconfig(node, cfg)
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if filecfg and not filecfg.flags.ExcludeFromBuild then
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incfg[cfg] = filecfg
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custom = fileconfig.hasCustomBuildRule(filecfg)
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else
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inall = false
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end
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end
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if not custom then
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-- identify the file type
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local kind
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if path.iscppfile(node.abspath) then
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kind = "objects"
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elseif path.isresourcefile(node.abspath) then
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kind = "resources"
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end
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-- skip files that aren't compiled
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if not custom and not kind then
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return
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end
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-- assign a unique object file name to avoid collisions
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objectname = "$(OBJDIR)/" .. node.objname .. iif(kind == "objects", ".o", ".res")
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-- if this file exists in all configurations, write it to
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-- the project's list of files, else add to specific cfgs
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if inall then
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table.insert(root[kind], objectname)
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else
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for cfg in project.eachconfig(prj) do
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if incfg[cfg] then
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table.insert(configs[cfg][kind], objectname)
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end
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end
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end
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else
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for cfg in project.eachconfig(prj) do
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local filecfg = incfg[cfg]
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if filecfg then
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local output = project.getrelative(prj, filecfg.buildoutputs[1])
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if path.isobjectfile(output) and (filecfg.linkbuildoutputs == true or filecfg.linkbuildoutputs == nil) then
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table.insert(configs[cfg].objects, output)
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else
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table.insert(configs[cfg].customfiles, output)
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end
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end
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end
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end
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end
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})
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-- now I can write out the lists, project level first...
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function listobjects(var, list)
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_p('%s \\', var)
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for _, objectname in ipairs(list) do
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_x('\t%s \\', objectname)
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end
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_p('')
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end
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listobjects('OBJECTS :=', root.objects, 'o')
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listobjects('RESOURCES :=', root.resources, 'res')
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listobjects('CUSTOMFILES :=', root.customfiles)
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-- ...then individual configurations, as needed
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for cfg in project.eachconfig(prj) do
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local files = configs[cfg]
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if #files.objects > 0 or #files.resources > 0 or #files.customfiles > 0 then
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make.configBegin(cfg, toolset)
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if #files.objects > 0 then
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listobjects(' OBJECTS +=', files.objects)
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end
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if #files.resources > 0 then
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listobjects(' RESOURCES +=', files.resources)
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end
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if #files.customfiles > 0 then
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listobjects(' CUSTOMFILES +=', files.customfiles)
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end
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make.configEnd(cfg, toolset)
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_p('')
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end
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end
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end
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---------------------------------------------------------------------------
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--
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-- Handlers for individual makefile elements
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--
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---------------------------------------------------------------------------
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function make.configBegin(cfg, toolset)
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if cfg then
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_x('ifeq ($(config),%s)', cfg.shortname)
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end
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end
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function make.configEnd(cfg, toolset)
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if cfg then
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_p('endif')
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end
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end
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function make.cFlags(cfg, toolset)
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_p(' ALL_CFLAGS += $(CFLAGS) $(ALL_CPPFLAGS)%s', make.list(table.join(toolset.getcflags(cfg), cfg.buildoptions)))
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end
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function make.cppAllRules(cfg, toolset)
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if cfg.system == p.MACOSX and cfg.kind == p.WINDOWEDAPP then
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_p('all: prebuild prelink $(TARGET) $(dir $(TARGETDIR))PkgInfo $(dir $(TARGETDIR))Info.plist')
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_p('\t@:')
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_p('')
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_p('$(dir $(TARGETDIR))PkgInfo:')
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_p('$(dir $(TARGETDIR))Info.plist:')
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else
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_p('all: prebuild prelink $(TARGET)')
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_p('\t@:')
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end
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end
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function make.cppFlags(cfg, toolset)
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_p(' ALL_CPPFLAGS += $(CPPFLAGS)%s $(DEFINES) $(INCLUDES)', make.list(toolset.getcppflags(cfg)))
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end
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function make.cxxFlags(cfg, toolset)
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_p(' ALL_CXXFLAGS += $(CXXFLAGS) $(ALL_CPPFLAGS)%s', make.list(table.join(toolset.getcxxflags(cfg), cfg.buildoptions)))
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end
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function make.cppCleanRules(prj)
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_p('clean:')
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_p('\t@echo Cleaning %s', prj.name)
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_p('ifeq (posix,$(SHELLTYPE))')
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_p('\t$(SILENT) rm -f $(TARGET)')
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_p('\t$(SILENT) rm -rf $(OBJDIR)')
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_p('else')
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_p('\t$(SILENT) if exist $(subst /,\\\\,$(TARGET)) del $(subst /,\\\\,$(TARGET))')
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_p('\t$(SILENT) if exist $(subst /,\\\\,$(OBJDIR)) rmdir /s /q $(subst /,\\\\,$(OBJDIR))')
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_p('endif')
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_p('')
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end
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function make.cppDependencies(prj)
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-- include the dependencies, built by GCC (with the -MMD flag)
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_p('-include $(OBJECTS:%%.o=%%.d)')
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_p('ifneq (,$(PCH))')
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_p(' -include $(OBJDIR)/$(notdir $(PCH)).d')
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_p('endif')
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end
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function make.cppTargetRules(prj)
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_p('$(TARGET): $(GCH) ${CUSTOMFILES} $(OBJECTS) $(LDDEPS) $(RESOURCES) | $(TARGETDIR)')
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_p('\t@echo Linking %s', prj.name)
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_p('\t$(SILENT) $(LINKCMD)')
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_p('\t$(POSTBUILDCMDS)')
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_p('')
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end
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function make.cppCustomFilesRules(prj)
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_p('$(CUSTOMFILES): | $(OBJDIR)')
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_p('')
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end
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function make.cppTargetDirRules(prj)
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_p('$(TARGETDIR):')
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_p('\t@echo Creating $(TARGETDIR)')
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make.mkdir('$(TARGETDIR)')
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_p('')
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end
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function make.cppObjDirRules(prj)
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_p('$(OBJDIR):')
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_p('\t@echo Creating $(OBJDIR)')
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make.mkdir('$(OBJDIR)')
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_p('')
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end
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function make.cppTools(cfg, toolset)
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local tool = toolset.gettoolname(cfg, "cc")
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if tool then
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_p(' ifeq ($(origin CC), default)')
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_p(' CC = %s', tool)
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_p(' endif' )
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end
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tool = toolset.gettoolname(cfg, "cxx")
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if tool then
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_p(' ifeq ($(origin CXX), default)')
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_p(' CXX = %s', tool)
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_p(' endif' )
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end
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tool = toolset.gettoolname(cfg, "ar")
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if tool then
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_p(' ifeq ($(origin AR), default)')
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_p(' AR = %s', tool)
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_p(' endif' )
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end
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tool = toolset.gettoolname(cfg, "rc")
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if tool then
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_p(' RESCOMP = %s', tool)
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end
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end
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function make.defines(cfg, toolset)
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_p(' DEFINES +=%s', make.list(table.join(toolset.getdefines(cfg.defines, cfg), toolset.getundefines(cfg.undefines))))
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end
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function make.forceInclude(cfg, toolset)
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local includes = toolset.getforceincludes(cfg)
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if not cfg.flags.NoPCH and cfg.pchheader then
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table.insert(includes, 1, "-include $(OBJDIR)/$(notdir $(PCH))")
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end
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_x(' FORCE_INCLUDE +=%s', make.list(includes))
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end
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function make.includes(cfg, toolset)
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local includes = toolset.getincludedirs(cfg, cfg.includedirs, cfg.sysincludedirs)
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_p(' INCLUDES +=%s', make.list(includes))
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end
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function make.ldDeps(cfg, toolset)
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local deps = config.getlinks(cfg, "siblings", "fullpath")
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_p(' LDDEPS +=%s', make.list(p.esc(deps)))
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end
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function make.ldFlags(cfg, toolset)
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local flags = table.join(toolset.getLibraryDirectories(cfg), toolset.getrunpathdirs(cfg, cfg.runpathdirs), toolset.getldflags(cfg), cfg.linkoptions)
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_p(' ALL_LDFLAGS += $(LDFLAGS)%s', make.list(flags))
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end
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function make.libs(cfg, toolset)
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local flags = toolset.getlinks(cfg)
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_p(' LIBS +=%s', make.list(flags, true))
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end
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function make.linkCmd(cfg, toolset)
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if cfg.kind == p.STATICLIB then
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if cfg.architecture == p.UNIVERSAL then
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_p(' LINKCMD = libtool -o "$@" $(OBJECTS)')
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else
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_p(' LINKCMD = $(AR) ' .. (toolset.arargs or '-rcs') ..' "$@" $(OBJECTS)')
|
|
end
|
|
elseif cfg.kind == p.UTILITY then
|
|
-- Empty LINKCMD for Utility (only custom build rules)
|
|
_p(' LINKCMD =')
|
|
else
|
|
-- this was $(TARGET) $(LDFLAGS) $(OBJECTS)
|
|
-- but had trouble linking to certain static libs; $(OBJECTS) moved up
|
|
-- $(LDFLAGS) moved to end (http://sourceforge.net/p/premake/patches/107/)
|
|
-- $(LIBS) moved to end (http://sourceforge.net/p/premake/bugs/279/)
|
|
|
|
local cc = iif(p.languages.isc(cfg.language), "CC", "CXX")
|
|
_p(' LINKCMD = $(%s) -o "$@" $(OBJECTS) $(RESOURCES) $(ALL_LDFLAGS) $(LIBS)', cc)
|
|
end
|
|
end
|
|
|
|
|
|
function make.pch(cfg, toolset)
|
|
-- If there is no header, or if PCH has been disabled, I can early out
|
|
if not cfg.pchheader or cfg.flags.NoPCH then
|
|
return
|
|
end
|
|
|
|
-- Visual Studio requires the PCH header to be specified in the same way
|
|
-- it appears in the #include statements used in the source code; the PCH
|
|
-- source actual handles the compilation of the header. GCC compiles the
|
|
-- header file directly, and needs the file's actual file system path in
|
|
-- order to locate it.
|
|
|
|
-- To maximize the compatibility between the two approaches, see if I can
|
|
-- locate the specified PCH header on one of the include file search paths
|
|
-- and, if so, adjust the path automatically so the user doesn't have
|
|
-- add a conditional configuration to the project script.
|
|
|
|
local pch = cfg.pchheader
|
|
local found = false
|
|
|
|
-- test locally in the project folder first (this is the most likely location)
|
|
local testname = path.join(cfg.project.basedir, pch)
|
|
if os.isfile(testname) then
|
|
pch = project.getrelative(cfg.project, testname)
|
|
found = true
|
|
else
|
|
-- else scan in all include dirs.
|
|
for _, incdir in ipairs(cfg.includedirs) do
|
|
testname = path.join(incdir, pch)
|
|
if os.isfile(testname) then
|
|
pch = project.getrelative(cfg.project, testname)
|
|
found = true
|
|
break
|
|
end
|
|
end
|
|
end
|
|
|
|
if not found then
|
|
pch = project.getrelative(cfg.project, path.getabsolute(pch))
|
|
end
|
|
|
|
_x(' PCH = %s', pch)
|
|
_p(' GCH = $(OBJDIR)/$(notdir $(PCH)).gch')
|
|
end
|
|
|
|
|
|
function make.pchRules(prj)
|
|
_p('ifneq (,$(PCH))')
|
|
_p('$(OBJECTS): $(GCH) $(PCH) | $(OBJDIR)')
|
|
_p('$(GCH): $(PCH) | $(OBJDIR)')
|
|
_p('\t@echo $(notdir $<)')
|
|
|
|
local cmd = iif(prj.language == "C", "$(CC) -x c-header $(ALL_CFLAGS)", "$(CXX) -x c++-header $(ALL_CXXFLAGS)")
|
|
_p('\t$(SILENT) %s -o "$@" -MF "$(@:%%.gch=%%.d)" -c "$<"', cmd)
|
|
|
|
_p('else')
|
|
_p('$(OBJECTS): | $(OBJDIR)')
|
|
_p('endif')
|
|
_p('')
|
|
end
|
|
|
|
|
|
function make.resFlags(cfg, toolset)
|
|
local resflags = table.join(toolset.getdefines(cfg.resdefines), toolset.getincludedirs(cfg, cfg.resincludedirs), cfg.resoptions)
|
|
_p(' ALL_RESFLAGS += $(RESFLAGS) $(DEFINES) $(INCLUDES)%s', make.list(resflags))
|
|
end
|