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ninja.lua
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ninja.lua
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--
-- Name: premake-ninja/ninja.lua
-- Purpose: Define the ninja action.
-- Author: Dmitry Ivanov
-- Created: 2015/07/04
-- Copyright: (c) 2015 Dmitry Ivanov
--
local p = premake
local tree = p.tree
local project = p.project
local config = p.config
local fileconfig = p.fileconfig
-- Some toolset fixes/helper
p.tools.clang.objectextension = ".o"
p.tools.gcc.objectextension = ".o"
p.tools.msc.objectextension = ".obj"
p.tools.clang.tools.rc = p.tools.clang.tools.rc or "windres"
p.tools.msc.gettoolname = function(cfg, name)
local map = {cc = "cl", cxx = "cl", ar = "lib", rc = "rc"}
return map[name]
end
-- Ninja module
premake.modules.ninja = {}
local ninja = p.modules.ninja
local function get_key(cfg, name)
local name = name or cfg.project.name
if cfg.platform then
return name .. "_" .. cfg.buildcfg .. "_" .. cfg.platform
else
return name .. "_" .. cfg.buildcfg
end
end
local build_cache = {}
local function add_build(cfg, out, implicit_outputs, command, inputs, implicit_inputs, dependencies, vars)
implicit_outputs = ninja.list(table.translate(implicit_outputs, ninja.esc))
if #implicit_outputs > 0 then
implicit_outputs = " |" .. implicit_outputs
else
implicit_outputs = ""
end
inputs = ninja.list(table.translate(inputs, ninja.esc))
implicit_inputs = ninja.list(table.translate(implicit_inputs, ninja.esc))
if #implicit_inputs > 0 then
implicit_inputs = " |" .. implicit_inputs
else
implicit_inputs = ""
end
dependencies = ninja.list(table.translate(dependencies, ninja.esc))
if #dependencies > 0 then
dependencies = " ||" .. dependencies
else
dependencies = ""
end
build_line = "build " .. ninja.esc(out) .. implicit_outputs .. ": " .. command .. inputs .. implicit_inputs .. dependencies
local cached = build_cache[out]
if cached ~= nil then
if build_line == cached.build_line
and table.equals(vars or {}, cached.vars or {})
then
-- custom_command/copy rule are identical for each configuration (contrary to other rules)
-- So we can compare extra parameter
if command == "custom_command" or command == "copy" then
p.outln("# INFO: Rule ignored, same as " .. cached.cfg_key)
else
local cfg_key = get_key(cfg)
p.warn(cached.cfg_key .. " and " .. cfg_key .. " both generate (differently?) " .. out .. ". Ignoring " .. cfg_key)
p.outln("# WARNING: Rule ignored, using the one from " .. cached.cfg_key)
end
else
local cfg_key = get_key(cfg)
p.warn(cached.cfg_key .. " and " .. cfg_key .. " both generate differently " .. out .. ". Ignoring " .. cfg_key)
p.outln("# ERROR: Rule ignored, using the one from " .. cached.cfg_key)
end
p.outln("# " .. build_line)
for i, var in ipairs(vars or {}) do
p.outln("# " .. var)
end
return
end
p.outln(build_line)
for i, var in ipairs(vars or {}) do
p.outln(" " .. var)
end
build_cache[out] = {
cfg_key = get_key(cfg),
build_line = build_line,
vars = vars
}
end
function ninja.esc(value)
value = value:gsub("%$", "$$") -- TODO maybe there is better way
value = value:gsub(":", "$:")
value = value:gsub("\n", "$\n")
value = value:gsub(" ", "$ ")
return value
end
function ninja.quote(value)
value = value:gsub("\\", "\\\\")
value = value:gsub("'", "\\'")
value = value:gsub("\"", "\\\"")
return "\"" .. value .. "\""
end
-- in some cases we write file names in rule commands directly
-- so we need to propely escape them
function ninja.shesc(value)
if type(value) == "table" then
local result = {}
local n = #value
for i = 1, n do
table.insert(result, ninja.shesc(value[i]))
end
return result
end
if value:find(" ") then
return ninja.quote(value)
end
return value
end
-- generate solution that will call ninja for projects
function ninja.generateWorkspace(wks)
local oldGetDefaultSeparator = path.getDefaultSeparator
path.getDefaultSeparator = function() return "/" end
p.outln("# solution build file")
p.outln("# generated with premake ninja")
p.outln("")
p.outln("# build projects")
local cfgs = {} -- key is concatenated name or variant name, value is string of outputs names
local key = ""
local cfg_first = nil
local cfg_first_lib = nil
for prj in p.workspace.eachproject(wks) do
if p.action.supports(prj.kind) and prj.kind ~= p.NONE then
for cfg in p.project.eachconfig(prj) do
key = get_key(cfg)
if not cfgs[cfg.buildcfg] then cfgs[cfg.buildcfg] = {} end
table.insert(cfgs[cfg.buildcfg], key)
-- set first configuration name
if (cfg_first == nil) and (cfg.kind == p.CONSOLEAPP or cfg.kind == p.WINDOWEDAPP) then
cfg_first = key
end
if (cfg_first_lib == nil) and (cfg.kind == p.STATICLIB or cfg.kind == p.SHAREDLIB) then
cfg_first_lib = key
end
if prj.name == wks.startproject then
cfg_first = key
end
-- include other ninja file
p.outln("subninja " .. ninja.esc(ninja.projectCfgFilename(cfg, true)))
end
end
end
if cfg_first == nil then cfg_first = cfg_first_lib end
p.outln("")
p.outln("# targets")
for cfg, outputs in spairs(cfgs) do
p.outln("build " .. ninja.esc(cfg) .. ": phony" .. ninja.list(table.translate(outputs, ninja.esc)))
end
p.outln("")
p.outln("# default target")
p.outln("default " .. ninja.esc(cfg_first))
p.outln("")
path.getDefaultSeparator = oldGetDefaultSeparator
end
function ninja.list(value)
if #value > 0 then
return " " .. table.concat(value, " ")
else
return ""
end
end
local function shouldcompileasc(filecfg)
if filecfg.compileas and filecfg.compileas ~= "Default" then
return p.languages.isc(filecfg.compileas)
end
return path.iscfile(filecfg.abspath)
end
local function shouldcompileascpp(filecfg)
if filecfg.compileas and filecfg.compileas ~= "Default" then
return p.languages.iscpp(filecfg.compileas)
end
return path.iscppfile(filecfg.abspath)
end
local function getFileDependencies(cfg)
local dependencies = {}
if #cfg.prebuildcommands > 0 or cfg.prebuildmessage then
dependencies = {"prebuild_" .. get_key(cfg)}
end
for i = 1, #cfg.dependson do
table.insert(dependencies, cfg.dependson[i] .. "_" .. cfg.buildcfg)
end
return dependencies
end
local function getcflags(toolset, cfg, filecfg)
local buildopt = ninja.list(filecfg.buildoptions)
local cppflags = ninja.list(toolset.getcppflags(filecfg))
local cflags = ninja.list(toolset.getcflags(filecfg))
local defines = ninja.list(table.join(toolset.getdefines(filecfg.defines), toolset.getundefines(filecfg.undefines)))
local includes = ninja.list(toolset.getincludedirs(cfg, filecfg.includedirs, filecfg.externalincludedirs, filecfg.frameworkdirs, filecfg.includedirsafter))
local forceincludes = ninja.list(toolset.getforceincludes(cfg))
return buildopt .. cppflags .. cflags .. defines .. includes .. forceincludes
end
local function getcxxflags(toolset, cfg, filecfg)
local buildopt = ninja.list(filecfg.buildoptions)
local cppflags = ninja.list(toolset.getcppflags(filecfg))
local cxxflags = ninja.list(toolset.getcxxflags(filecfg))
local defines = ninja.list(table.join(toolset.getdefines(filecfg.defines), toolset.getundefines(filecfg.undefines)))
local includes = ninja.list(toolset.getincludedirs(cfg, filecfg.includedirs, filecfg.externalincludedirs, filecfg.frameworkdirs, filecfg.includedirsafter))
local forceincludes = ninja.list(toolset.getforceincludes(cfg))
return buildopt .. cppflags .. cxxflags .. defines .. includes .. forceincludes
end
local function getldflags(toolset, cfg)
local ldflags = ninja.list(table.join(toolset.getLibraryDirectories(cfg), toolset.getldflags(cfg), cfg.linkoptions))
-- experimental feature, change install_name of shared libs
--if (toolset == p.tools.clang) and (cfg.kind == p.SHAREDLIB) and ninja.endsWith(cfg.buildtarget.name, ".dylib") then
-- ldflags = ldflags .. " -install_name " .. cfg.buildtarget.name
--end
return ldflags
end
local function getresflags(toolset, cfg, filecfg)
local defines = ninja.list(toolset.getdefines(table.join(filecfg.defines, filecfg.resdefines)))
local includes = ninja.list(toolset.getincludedirs(cfg, table.join(filecfg.externalincludedirs, filecfg.includedirsafter, filecfg.includedirs, filecfg.resincludedirs), {}, {}, {}))
local options = ninja.list(cfg.resoptions)
return defines .. includes .. options
end
local function prebuild_rule(cfg)
if #cfg.prebuildcommands > 0 or cfg.prebuildmessage then
local commands = {}
if cfg.prebuildmessage then
commands = {os.translateCommandsAndPaths("{ECHO} " .. cfg.prebuildmessage, cfg.workspace.basedir, cfg.workspace.location)}
end
commands = table.join(commands, os.translateCommandsAndPaths(cfg.prebuildcommands, cfg.workspace.basedir, cfg.workspace.location))
if (#commands > 1) then
commands = 'sh -c ' .. ninja.quote(table.implode(commands,"","",";"))
else
commands = commands[1]
end
p.outln("rule run_prebuild")
p.outln(" command = " .. commands)
p.outln(" description = prebuild")
p.outln("")
end
end
local function prelink_rule(cfg)
if #cfg.prelinkcommands > 0 or cfg.prelinkmessage then
local commands = {}
if cfg.prelinkmessage then
commands = {os.translateCommandsAndPaths("{ECHO} " .. cfg.prelinkmessage, cfg.workspace.basedir, cfg.workspace.location)}
end
commands = table.join(commands, os.translateCommandsAndPaths(cfg.prelinkcommands, cfg.workspace.basedir, cfg.workspace.location))
if (#commands > 1) then
commands = 'sh -c ' .. ninja.quote(table.implode(commands,"","",";"))
else
commands = commands[1]
end
p.outln("rule run_prelink")
p.outln(" command = " .. commands)
p.outln(" description = prelink")
p.outln("")
end
end
local function postbuild_rule(cfg)
if #cfg.postbuildcommands > 0 or cfg.postbuildmessage then
local commands = {}
if cfg.postbuildmessage then
commands = {os.translateCommandsAndPaths("{ECHO} " .. cfg.postbuildmessage, cfg.workspace.basedir, cfg.workspace.location)}
end
commands = table.join(commands, os.translateCommandsAndPaths(cfg.postbuildcommands, cfg.workspace.basedir, cfg.workspace.location))
if (#commands > 1) then
commands = 'sh -c ' .. ninja.quote(table.implode(commands,"","",";"))
else
commands = commands[1]
end
p.outln("rule run_postbuild")
p.outln(" command = " .. commands)
p.outln(" description = postbuild")
p.outln("")
end
end
local function compilation_rules(cfg, toolset, pch)
---------------------------------------------------- figure out toolset executables
local cc = toolset.gettoolname(cfg, "cc")
local cxx = toolset.gettoolname(cfg, "cxx")
local ar = toolset.gettoolname(cfg, "ar")
local link = toolset.gettoolname(cfg, iif(cfg.language == "C", "cc", "cxx"))
local rc = toolset.gettoolname(cfg, "rc")
local all_cflags = getcflags(toolset, cfg, cfg)
local all_cxxflags = getcxxflags(toolset, cfg, cfg)
local all_ldflags = getldflags(toolset, cfg)
local all_resflags = getresflags(toolset, cfg, cfg)
if toolset == p.tools.msc then
p.outln("CFLAGS=" .. all_cflags)
p.outln("rule cc")
p.outln(" command = " .. cc .. " $CFLAGS" .. " /nologo /showIncludes -c /Tc$in /Fo$out")
p.outln(" description = cc $out")
p.outln(" deps = msvc")
p.outln("")
p.outln("CXXFLAGS=" .. all_cxxflags)
p.outln("rule cxx")
p.outln(" command = " .. cxx .. " $CXXFLAGS" .. " /nologo /showIncludes -c /Tp$in /Fo$out")
p.outln(" description = cxx $out")
p.outln(" deps = msvc")
p.outln("")
p.outln("RESFLAGS = " .. all_resflags)
p.outln("rule rc")
p.outln(" command = " .. rc .. " /nologo /fo$out $in $RESFLAGS")
p.outln(" description = rc $out")
p.outln("")
if cfg.kind == p.STATICLIB then
p.outln("rule ar")
p.outln(" command = " .. ar .. " $in /nologo -OUT:$out")
p.outln(" description = ar $out")
p.outln("")
else
p.outln("rule link")
p.outln(" command = " .. link .. " $in" .. ninja.list(ninja.shesc(toolset.getlinks(cfg, true))) .. " /link" .. all_ldflags .. " /nologo /out:$out")
p.outln(" description = link $out")
p.outln("")
end
elseif toolset == p.tools.clang or toolset == p.tools.gcc then
local force_include_pch = ""
if pch then
force_include_pch = " -include " .. ninja.shesc(pch.placeholder)
p.outln("rule build_pch")
p.outln(" command = " .. iif(cfg.language == "C", cc .. all_cflags .. " -x c-header", cxx .. all_cxxflags .. " -x c++-header") .. " -H -MF $out.d -c -o $out $in")
p.outln(" description = build_pch $out")
p.outln(" depfile = $out.d")
p.outln(" deps = gcc")
end
p.outln("CFLAGS=" .. all_cflags)
p.outln("rule cc")
p.outln(" command = " .. cc .. " $CFLAGS" .. force_include_pch .. " -x c -MF $out.d -c -o $out $in")
p.outln(" description = cc $out")
p.outln(" depfile = $out.d")
p.outln(" deps = gcc")
p.outln("")
p.outln("CXXFLAGS=" .. all_cxxflags)
p.outln("rule cxx")
p.outln(" command = " .. cxx .. " $CXXFLAGS" .. force_include_pch .. " -x c++ -MF $out.d -c -o $out $in")
p.outln(" description = cxx $out")
p.outln(" depfile = $out.d")
p.outln(" deps = gcc")
p.outln("")
p.outln("RESFLAGS = " .. all_resflags)
p.outln("rule rc")
p.outln(" command = " .. rc .. " -i $in -o $out $RESFLAGS")
p.outln(" description = rc $out")
p.outln("")
if cfg.kind == p.STATICLIB then
p.outln("rule ar")
p.outln(" command = " .. ar .. " rcs $out $in")
p.outln(" description = ar $out")
p.outln("")
else
local groups = iif(cfg.linkgroups == premake.ON, {"-Wl,--start-group ", " -Wl,--end-group"}, {"", ""})
p.outln("rule link")
p.outln(" command = " .. link .. " -o $out " .. groups[1] .. "$in" .. ninja.list(ninja.shesc(toolset.getlinks(cfg, true, true))) .. all_ldflags .. groups[2])
p.outln(" description = link $out")
p.outln("")
end
end
end
local function custom_command_rule()
p.outln("rule custom_command")
p.outln(" command = $CUSTOM_COMMAND")
p.outln(" description = $CUSTOM_DESCRIPTION")
p.outln("")
end
local function copy_rule()
p.outln("rule copy")
p.outln(" command = " .. os.translateCommands("{COPYFILE} $in $out"))
p.outln(" description = copy $in $out")
p.outln("")
end
local function collect_generated_files(prj, cfg)
local generated_files = {}
tree.traverse(project.getsourcetree(prj), {
onleaf = function(node, depth)
function append_to_generated_files(filecfg)
local outputs = project.getrelative(prj.workspace, filecfg.buildoutputs)
generated_files = table.join(generated_files, outputs)
end
local filecfg = fileconfig.getconfig(node, cfg)
if not filecfg or filecfg.flags.ExcludeFromBuild then
return
end
local rule = p.global.getRuleForFile(node.name, prj.rules)
if fileconfig.hasCustomBuildRule(filecfg) then
append_to_generated_files(filecfg)
elseif rule then
local environ = table.shallowcopy(filecfg.environ)
if rule.propertydefinition then
p.rule.prepareEnvironment(rule, environ, cfg)
p.rule.prepareEnvironment(rule, environ, filecfg)
end
local rulecfg = p.context.extent(rule, environ)
append_to_generated_files(rulecfg)
end
end,
}, false, 1)
return generated_files
end
local function pch_build(cfg, pch)
local pch_dependency = {}
if pch then
pch_dependency = { pch.gch }
add_build(cfg, pch.gch, {}, "build_pch", {pch.input}, {}, {}, {})
end
return pch_dependency
end
local function custom_command_build(prj, cfg, filecfg, filename, file_dependencies)
local outputs = project.getrelative(prj.workspace, filecfg.buildoutputs)
local output = outputs[1]
table.remove(outputs, 1)
local commands = {}
if filecfg.buildmessage then
commands = {os.translateCommandsAndPaths("{ECHO} " .. filecfg.buildmessage, prj.workspace.basedir, prj.workspace.location)}
end
commands = table.join(commands, os.translateCommandsAndPaths(filecfg.buildcommands, prj.workspace.basedir, prj.workspace.location))
if (#commands > 1) then
commands = 'sh -c ' .. ninja.quote(table.implode(commands,"","",";"))
else
commands = commands[1]
end
add_build(cfg, output, outputs, "custom_command", {filename}, filecfg.buildinputs, file_dependencies,
{"CUSTOM_COMMAND = " .. commands, "CUSTOM_DESCRIPTION = custom build " .. ninja.shesc(output)})
end
local function compile_file_build(cfg, filecfg, toolset, pch_dependency, regular_file_dependencies, objfiles, extrafiles)
local obj_dir = project.getrelative(cfg.workspace, cfg.objdir)
local filepath = project.getrelative(cfg.workspace, filecfg.abspath)
local has_custom_settings = fileconfig.hasFileSettings(filecfg)
if filecfg.buildaction == "None" then
return
elseif filecfg.buildaction == "Copy" then
local target = project.getrelative(cfg.workspace, path.join(cfg.targetdir, filecfg.name))
add_build(cfg, target, {}, "copy", {filepath}, {}, {}, {})
extrafiles[#extrafiles + 1] = target
elseif shouldcompileasc(filecfg) then
local objfilename = obj_dir .. "/" .. filecfg.objname .. (toolset.objectextension or ".o")
objfiles[#objfiles + 1] = objfilename
local cflags = {}
if has_custom_settings then
cflags = {"CFLAGS = $CFLAGS " .. getcflags(toolset, cfg, filecfg)}
end
add_build(cfg, objfilename, {}, "cc", {filepath}, pch_dependency, regular_file_dependencies, cflags)
elseif shouldcompileascpp(filecfg) then
local objfilename = obj_dir .. "/" .. filecfg.objname .. (toolset.objectextension or ".o")
objfiles[#objfiles + 1] = objfilename
local cxxflags = {}
if has_custom_settings then
cxxflags = {"CXXFLAGS = $CXXFLAGS " .. getcxxflags(toolset, cfg, filecfg)}
end
add_build(cfg, objfilename, {}, "cxx", {filepath}, pch_dependency, regular_file_dependencies, cxxflags)
elseif path.isresourcefile(filecfg.abspath) then
local objfilename = obj_dir .. "/" .. filecfg.name .. ".res"
objfiles[#objfiles + 1] = objfilename
local resflags = {}
if has_custom_settings then
resflags = {"RESFLAGS = $RESFLAGS " .. getresflags(toolset, cfg, filecfg)}
end
add_build(cfg, objfilename, {}, "rc", {filepath}, {}, {}, resflags)
end
end
local function files_build(prj, cfg, toolset, pch_dependency, regular_file_dependencies, file_dependencies)
local objfiles = {}
local extrafiles = {}
tree.traverse(project.getsourcetree(prj), {
onleaf = function(node, depth)
local filecfg = fileconfig.getconfig(node, cfg)
if not filecfg or filecfg.flags.ExcludeFromBuild then
return
end
local rule = p.global.getRuleForFile(node.name, prj.rules)
local filepath = project.getrelative(cfg.workspace, node.abspath)
if fileconfig.hasCustomBuildRule(filecfg) then
custom_command_build(prj, cfg, filecfg, filepath, file_dependencies)
elseif rule then
local environ = table.shallowcopy(filecfg.environ)
if rule.propertydefinition then
p.rule.prepareEnvironment(rule, environ, cfg)
p.rule.prepareEnvironment(rule, environ, filecfg)
end
local rulecfg = p.context.extent(rule, environ)
custom_command_build(prj, cfg, rulecfg, filepath, file_dependencies)
else
compile_file_build(cfg, filecfg, toolset, pch_dependency, regular_file_dependencies, objfiles, extrafiles)
end
end,
}, false, 1)
p.outln("")
return objfiles, extrafiles
end
local function generated_files_build(cfg, generated_files, key)
local final_dependency = {}
if #generated_files > 0 then
p.outln("# generated files")
add_build(cfg, "generated_files_" .. key, {}, "phony", generated_files, {}, {}, {})
final_dependency = {"generated_files_" .. key}
end
return final_dependency
end
-- generate project + config build file
function ninja.generateProjectCfg(cfg)
local oldGetDefaultSeparator = path.getDefaultSeparator
path.getDefaultSeparator = function() return "/" end
local prj = cfg.project
local key = get_key(cfg)
local toolset, toolset_version = p.tools.canonical(cfg.toolset)
if not toolset then
p.error("Unknown toolset " .. cfg.toolset)
end
-- Some toolset fixes
cfg.gccprefix = cfg.gccprefix or ""
p.outln("# project build file")
p.outln("# generated with premake ninja")
p.outln("")
-- premake-ninja relies on scoped rules
-- and they were added in ninja v1.6
p.outln("ninja_required_version = 1.6")
p.outln("")
---------------------------------------------------- figure out settings
local pch = nil
if toolset ~= p.tools.msc then
pch = p.tools.gcc.getpch(cfg)
if pch then
pch = {
input = pch,
placeholder = project.getrelative(cfg.workspace, path.join(cfg.objdir, path.getname(pch))),
gch = project.getrelative(cfg.workspace, path.join(cfg.objdir, path.getname(pch) .. ".gch"))
}
end
end
---------------------------------------------------- write rules
p.outln("# core rules for " .. cfg.name)
prebuild_rule(cfg)
prelink_rule(cfg)
postbuild_rule(cfg)
compilation_rules(cfg, toolset, pch)
copy_rule()
custom_command_rule()
---------------------------------------------------- build all files
p.outln("# build files")
local pch_dependency = pch_build(cfg, pch)
local generated_files = collect_generated_files(prj, cfg)
local file_dependencies = getFileDependencies(cfg)
local regular_file_dependencies = table.join(iif(#generated_files > 0, {"generated_files_" .. key}, {}), file_dependencies)
local obj_dir = project.getrelative(cfg.workspace, cfg.objdir)
local objfiles, extrafiles = files_build(prj, cfg, toolset, pch_dependency, regular_file_dependencies, file_dependencies)
local final_dependency = generated_files_build(cfg, generated_files, key)
---------------------------------------------------- build final target
if #cfg.prebuildcommands > 0 or cfg.prebuildmessage then
p.outln("# prebuild")
add_build(cfg, "prebuild_" .. get_key(cfg), {}, "run_prebuild", {}, {}, {}, {})
end
local prelink_dependency = {}
if #cfg.prelinkcommands > 0 or cfg.prelinkmessage then
p.outln("# prelink")
add_build(cfg, "prelink_" .. get_key(cfg), {}, "run_prelink", {}, objfiles, final_dependency, {})
prelink_dependency = { "prelink_" .. get_key(cfg) }
end
if #cfg.postbuildcommands > 0 or cfg.postbuildmessage then
p.outln("# postbuild")
add_build(cfg, "postbuild_" .. get_key(cfg), {}, "run_postbuild", {}, {ninja.outputFilename(cfg)}, {}, {})
end
-- we don't pass getlinks(cfg) through dependencies
-- because system libraries are often not in PATH so ninja can't find them
local libs = table.translate(config.getlinks(cfg, "siblings", "fullpath"), function (p) return project.getrelative(cfg.workspace, path.join(cfg.project.location, p)) end)
local cfg_output = ninja.outputFilename(cfg)
local extra_outputs = {}
local command_rule = ""
if cfg.kind == p.STATICLIB then
p.outln("# link static lib")
command_rule = "ar"
elseif cfg.kind == p.SHAREDLIB then
p.outln("# link shared lib")
command_rule = "link"
extra_outputs = iif(os.target() == "windows", {path.replaceextension(cfg_output, ".lib"), path.replaceextension(cfg_output, ".exp")}, {})
elseif (cfg.kind == p.CONSOLEAPP) or (cfg.kind == p.WINDOWEDAPP) then
p.outln("# link executable")
command_rule = "link"
else
p.error("ninja action doesn't support this kind of target " .. cfg.kind)
end
add_build(cfg, cfg_output, extra_outputs, command_rule, table.join(objfiles, libs), {}, table.join(final_dependency, extrafiles, prelink_dependency), {})
p.outln("")
if #cfg.postbuildcommands > 0 or cfg.postbuildmessage then
add_build(cfg, key, {}, "phony", {"postbuild_" .. get_key(cfg)}, {}, {}, {})
else
add_build(cfg, key, {}, "phony", {cfg_output}, {}, {}, {})
end
p.outln("")
path.getDefaultSeparator = oldGetDefaultSeparator
end
-- return name of output binary relative to build folder
function ninja.outputFilename(cfg)
return project.getrelative(cfg.workspace, cfg.buildtarget.directory) .. "/" .. cfg.buildtarget.name
end
-- return name of build file for configuration
function ninja.projectCfgFilename(cfg, relative)
if relative ~= nil then
relative = project.getrelative(cfg.workspace, cfg.location) .. "/"
else
relative = ""
end
return relative .. "build_" .. get_key(cfg, cfg.project.filename) .. ".ninja"
end
-- check if string starts with string
function ninja.startsWith(str, starts)
return str:sub(0, starts:len()) == starts
end
-- check if string ends with string
function ninja.endsWith(str, ends)
return str:sub(-ends:len()) == ends
end
-- generate all build files for every project configuration
function ninja.generateProject(prj)
if not p.action.supports(prj.kind) or prj.kind == p.NONE then
return
end
for cfg in project.eachconfig(prj) do
p.generate(cfg, ninja.projectCfgFilename(cfg), ninja.generateProjectCfg)
end
end
include("_preload.lua")
return ninja