premake/modules/gmake2/gmake2_utility.lua

386 lines
8.9 KiB
Lua

--
-- gmake2_utility.lua
-- Generate a C/C++ project makefile.
-- (c) 2016-2017 Jason Perkins, Blizzard Entertainment and the Premake project
--
local p = premake
local gmake2 = p.modules.gmake2
gmake2.utility = {}
local utility = gmake2.utility
local project = p.project
local config = p.config
local fileconfig = p.fileconfig
---
-- Add namespace for element definition lists for premake.callarray()
---
utility.elements = {}
--
-- Generate a GNU make utility project makefile
--
utility.elements.makefile = function(prj)
return {
gmake2.header,
gmake2.phonyRules,
gmake2.shellType,
utility.initialize,
utility.createFileTable,
utility.outputConfigurationSection,
utility.outputFilesSection,
utility.outputRulesSection,
utility.outputFileRuleSection,
}
end
function utility.generate(prj)
p.eol("\n")
p.callArray(utility.elements.makefile, prj)
-- allow the garbage collector to clean things up.
for cfg in project.eachconfig(prj) do
cfg._gmake = nil
end
prj._gmake = nil
end
function utility.initialize(prj)
prj._gmake = prj._gmake or {}
prj._gmake.rules = prj.rules
prj._gmake.filesets = { }
end
function utility.createFileTable(prj)
for cfg in project.eachconfig(prj) do
cfg._gmake = cfg._gmake or {}
cfg._gmake.filesets = {}
cfg._gmake.fileRules = {}
local files = table.shallowcopy(prj._.files)
table.foreachi(files, function(node)
utility.addFile(cfg, node, prj)
end)
for _, f in pairs(cfg._gmake.filesets) do
table.sort(f)
end
cfg._gmake.kinds = table.keys(cfg._gmake.filesets)
table.sort(cfg._gmake.kinds)
prj._gmake.kinds = table.join(prj._gmake.kinds or {}, cfg._gmake.kinds)
end
prj._gmake.kinds = table.unique(prj._gmake.kinds)
table.sort(prj._gmake.kinds)
end
function utility.addFile(cfg, node, prj)
local filecfg = fileconfig.getconfig(node, cfg)
if not filecfg or filecfg.flags.ExcludeFromBuild then
return
end
-- skip generated files, since we try to figure it out manually below.
if node.generated then
return
end
-- process custom build commands.
if fileconfig.hasCustomBuildRule(filecfg) then
local env = table.shallowcopy(filecfg.environ)
env.PathVars = {
["file.basename"] = { absolute = false, token = node.basename },
["file.abspath"] = { absolute = true, token = node.abspath },
["file.relpath"] = { absolute = false, token = node.relpath },
["file.name"] = { absolute = false, token = node.name },
["file.path"] = { absolute = true, token = node.path },
}
local shadowContext = p.context.extent(filecfg, env)
local buildoutputs = p.project.getrelative(cfg.project, shadowContext.buildoutputs)
if buildoutputs and #buildoutputs > 0 then
local file = {
buildoutputs = buildoutputs,
source = node.relpath,
buildmessage = shadowContext.buildmessage,
buildcommands = shadowContext.buildcommands,
buildinputs = p.project.getrelative(cfg.project, shadowContext.buildinputs)
}
table.insert(cfg._gmake.fileRules, file)
for _, output in ipairs(buildoutputs) do
utility.addGeneratedFile(cfg, node, output)
end
end
else
utility.addRuleFile(cfg, node)
end
end
function utility.addGeneratedFile(cfg, source, filename)
-- mark that we have generated files.
cfg.project.hasGeneratedFiles = true
-- add generated file to the project.
local files = cfg.project._.files
local node = files[filename]
if not node then
node = fileconfig.new(filename, cfg.project)
files[filename] = node
table.insert(files, node)
end
-- always overwrite the dependency information.
node.dependsOn = source
node.generated = true
-- add to config if not already added.
if not fileconfig.getconfig(node, cfg) then
fileconfig.addconfig(node, cfg)
end
-- add file to the fileset.
local filesets = cfg.project._gmake.filesets
local kind = "CUSTOM"
local fileset = cfg._gmake.filesets[kind] or {}
table.insert(fileset, filename)
cfg._gmake.filesets[kind] = fileset
-- recursively setup rules.
utility.addRuleFile(cfg, node)
end
function utility.prepareEnvironment(rule, environ, cfg)
for _, prop in ipairs(rule.propertydefinition) do
local fld = p.rule.getPropertyField(rule, prop)
local value = cfg[fld.name]
if value ~= nil then
if fld.kind == "path" then
value = gmake2.path(cfg, value)
elseif fld.kind == "list:path" then
value = gmake2.path(cfg, value)
end
value = p.rule.expandString(rule, prop, value)
if value ~= nil and #value > 0 then
environ[prop.name] = p.esc(value)
end
end
end
end
function utility.addRuleFile(cfg, node)
local rules = cfg.project._gmake.rules
local rule = rules[path.getextension(node.abspath):lower()]
if rule then
local filecfg = fileconfig.getconfig(node, cfg)
local environ = table.shallowcopy(filecfg.environ)
if rule.propertydefinition then
utility.prepareEnvironment(rule, environ, cfg)
utility.prepareEnvironment(rule, environ, filecfg)
end
local shadowContext = p.context.extent(rule, environ)
local buildoutputs = shadowContext.buildoutputs
local buildmessage = shadowContext.buildmessage
local buildcommands = shadowContext.buildcommands
local buildinputs = shadowContext.buildinputs
buildoutputs = p.project.getrelative(cfg.project, buildoutputs)
if buildoutputs and #buildoutputs > 0 then
local file = {
buildoutputs = buildoutputs,
source = node.relpath,
buildmessage = buildmessage,
buildcommands = buildcommands,
buildinputs = buildinputs
}
table.insert(cfg._gmake.fileRules, file)
for _, output in ipairs(buildoutputs) do
utility.addGeneratedFile(cfg, node, output)
end
end
end
end
--
-- Write out the settings for a particular configuration.
--
utility.elements.configuration = function(cfg)
return {
gmake2.settings,
gmake2.preBuildCmds,
gmake2.preLinkCmds,
gmake2.postBuildCmds,
}
end
function utility.outputConfigurationSection(prj)
_p('# Configurations')
_p('# #############################################')
_p('')
gmake2.outputSection(prj, utility.elements.configuration)
end
--
-- Write out the file sets.
--
utility.elements.filesets = function(cfg)
local result = {}
for _, kind in ipairs(cfg._gmake.kinds) do
for _, f in ipairs(cfg._gmake.filesets[kind]) do
table.insert(result, function(cfg, toolset)
utility.outputFileset(cfg, kind, f)
end)
end
end
return result
end
function utility.outputFilesSection(prj)
_p('# File sets')
_p('# #############################################')
_p('')
for _, kind in ipairs(prj._gmake.kinds) do
_x('%s :=', kind)
end
_x('')
gmake2.outputSection(prj, utility.elements.filesets)
end
function utility.outputFileset(cfg, kind, file)
_x('%s += %s', kind, file)
end
--
-- Write out the targets.
--
utility.elements.rules = function(cfg)
return {
utility.allRules,
utility.targetRules,
gmake2.targetDirRules,
utility.cleanRules,
gmake2.preBuildRules,
gmake2.preLinkRules,
}
end
function utility.outputRulesSection(prj)
_p('# Rules')
_p('# #############################################')
_p('')
gmake2.outputSection(prj, utility.elements.rules)
end
function utility.allRules(cfg, toolset)
local allTargets = 'all: $(TARGETDIR) prebuild prelink $(TARGET)'
for _, kind in ipairs(cfg._gmake.kinds) do
allTargets = allTargets .. ' $(' .. kind .. ')'
end
_p(allTargets)
_p('\t@:')
_p('')
end
function utility.targetRules(cfg, toolset)
local targets = ''
for _, kind in ipairs(cfg._gmake.kinds) do
targets = targets .. '$(' .. kind .. ') '
end
_p('$(TARGET): %s', targets)
_p('\t$(POSTBUILDCMDS)')
_p('')
end
function utility.cleanRules(cfg, toolset)
_p('clean:')
_p('\t@echo Cleaning %s', cfg.project.name)
_p('')
end
--
-- Output the file compile targets.
--
utility.elements.fileRules = function(cfg)
local funcs = {}
for _, fileRule in ipairs(cfg._gmake.fileRules) do
table.insert(funcs, function(cfg, toolset)
utility.outputFileRules(cfg, fileRule)
end)
end
return funcs
end
function utility.outputFileRuleSection(prj)
_p('# File Rules')
_p('# #############################################')
_p('')
gmake2.outputSection(prj, utility.elements.fileRules)
end
function utility.outputFileRules(cfg, file)
local outputs = table.concat(file.buildoutputs, ' ')
local dependencies = file.source
if file.buildinputs and #file.buildinputs > 0 then
dependencies = dependencies .. " " .. table.concat(p.esc(file.buildinputs), " ")
end
_p('%s: %s', outputs, dependencies)
if file.buildmessage then
_p('\t@echo %s', file.buildmessage)
end
if file.buildcommands then
local cmds = os.translateCommandsAndPaths(file.buildcommands, cfg.project.basedir, cfg.project.location)
for _, cmd in ipairs(cmds) do
_p('\t$(SILENT) %s', cmd)
end
end
end