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--
-- GENie - Project generator tool
-- https://github.com/bkaradzic/GENie#license
--
local ninja = premake.ninja
local p = premake
local solution = p.solution
function ninja.generate_solution(sln)
-- create a shortcut to the compiler interface
local cc = premake[_OPTIONS.cc]
-- build a list of supported target platforms that also includes a generic build
local platforms = premake.filterplatforms(sln, cc.platforms, "Native")
-- write a header showing the build options
_p('# %s solution makefile autogenerated by GENie', premake.action.current().shortname)
_p('# Type "make help" for usage help')
_p('')
_p('NINJA=ninja')
-- set a default configuration
_p('ifndef config')
_p(' config=%s', _MAKE.esc(premake.getconfigname(sln.configurations[1], platforms[1], true)))
_p('endif')
_p('')
local projects = table.extract(sln.projects, "name")
table.sort(projects)
_p('')
_p('.PHONY: all clean help $(PROJECTS)')
_p('')
_p('all:')
if (not sln.messageskip) or (not table.contains(sln.messageskip, "SkipBuildingMessage")) then
_p(1, '@echo "==== Building all ($(config)) ===="')
end
_p(1, '@${NINJA} -C ${config} all')
_p('')
-- write the project build rules
for _, prj in ipairs(sln.projects) do
local prjx = ninja.get_proxy("prj", prj)
_p('%s:', _MAKE.esc(prj.name))
if (not sln.messageskip) or (not table.contains(sln.messageskip, "SkipBuildingMessage")) then
_p(1, '@echo "==== Building %s ($(config)) ===="', prj.name)
end
_p(1, '@${NINJA} -C ${config} %s', prj.name)
_p('')
end
-- clean rules
_p('clean:')
_p(1, '@${NINJA} -C ${config} -t clean')
_p('')
-- help rule
_p('help:')
_p(1,'@echo "Usage: make [config=name] [target]"')
_p(1,'@echo ""')
_p(1,'@echo "CONFIGURATIONS:"')
local cfgpairs = { }
for _, platform in ipairs(platforms) do
for _, cfgname in ipairs(sln.configurations) do
_p(1,'@echo " %s"', premake.getconfigname(cfgname, platform, true))
end
end
_p(1,'@echo ""')
_p(1,'@echo "TARGETS:"')
_p(1,'@echo " all (default)"')
_p(1,'@echo " clean"')
for _, prj in ipairs(sln.projects) do
_p(1,'@echo " %s"', prj.name)
end
_p(1,'@echo ""')
_p(1,'@echo "For more information, see https://github.com/bkaradzic/genie"')
end
-- generate solution that will call ninja for projects
local generate
local function getconfigs(sln, name, plat)
local cfgs = {}
for prj in solution.eachproject(sln) do
prj = ninja.get_proxy("prj", prj)
for cfg in p.eachconfig(prj, plat) do
if cfg.name == name then
table.insert(cfgs, cfg)
end
end
end
return cfgs
end
function ninja.generate_ninja_builds(sln)
-- create a shortcut to the compiler interface
local cc = premake[_OPTIONS.cc]
sln.getlocation = function(cfg, plat)
return path.join(sln.location, premake.getconfigname(cfg, plat, true))
end
-- build a list of supported target platforms that also includes a generic build
local platforms = premake.filterplatforms(sln, cc.platforms, "Native")
for _,plat in ipairs(platforms) do
for _,name in ipairs(sln.configurations) do
p.generate(sln, ninja.get_solution_name(sln, name, plat), function(sln)
generate(getconfigs(sln, name, plat))
end)
end
end
end
function ninja.get_solution_name(sln, cfg, plat)
return path.join(sln.getlocation(cfg, plat), "build.ninja")
end
function generate(prjcfgs)
local cfgs = {}
local cfg_first = nil
local cfg_first_lib = nil
_p("# solution build file")
_p("# generated with GENie ninja")
_p("")
_p("# build projects")
for _,cfg in ipairs(prjcfgs) do
local key = cfg.project.name
-- fill list of output files
if not cfgs[key] then cfgs[key] = "" end
cfgs[key] = cfg:getoutputfilename() .. " "
if not cfgs["all"] then cfgs["all"] = "" end
cfgs["all"] = cfgs["all"] .. cfg:getoutputfilename() .. " "
-- set first configuration name
if (cfg_first == nil) and (cfg.kind == "ConsoleApp" or cfg.kind == "WindowedApp") then
cfg_first = key
end
if (cfg_first_lib == nil) and (cfg.kind == "StaticLib" or cfg.kind == "SharedLib") then
cfg_first_lib = key
end
-- include other ninja file
_p("subninja " .. cfg:getprojectfilename())
end
_p("")
_p("# targets")
for cfg, outputs in iter.sortByKeys(cfgs) do
_p("build " .. cfg .. ": phony " .. outputs)
end
_p("")
_p("# default target")
_p("default " .. (cfg_first or cfg_first_lib))
_p("")
end
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