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--
-- GENie - Project generator tool
-- https://github.com/bkaradzic/GENie#license
--
premake.ninja.cpp = { }
local ninja = premake.ninja
local cpp = premake.ninja.cpp
local p = premake
-- generate project + config build file
function ninja.generate_cpp(prj)
local pxy = ninja.get_proxy("prj", prj)
local tool = premake.gettool(prj)
-- build a list of supported target platforms that also includes a generic build
local platforms = premake.filterplatforms(prj.solution, tool.platforms, "Native")
for _, platform in ipairs(platforms) do
for cfg in p.eachconfig(pxy, platform) do
p.generate(cfg, cfg:getprojectfilename(), function() cpp.generate_config(prj, cfg) end)
end
end
end
function cpp.generate_config(prj, cfg)
local tool = premake.gettool(prj)
_p('# Ninja build project file autogenerated by GENie')
_p('# https://github.com/bkaradzic/GENie')
_p("")
-- needed for implicit outputs, introduced in 1.7
_p("ninja_required_version = 1.7")
_p("")
local flags = {
defines = ninja.list(tool.getdefines(cfg.defines)),
includes = ninja.list(table.join(tool.getincludedirs(cfg.includedirs), tool.getquoteincludedirs(cfg.userincludedirs))),
cppflags = ninja.list(tool.getcppflags(cfg)),
asmflags = ninja.list(table.join(tool.getcflags(cfg), cfg.buildoptions, cfg.buildoptions_asm)),
cflags = ninja.list(table.join(tool.getcflags(cfg), cfg.buildoptions, cfg.buildoptions_c)),
cxxflags = ninja.list(table.join(tool.getcflags(cfg), tool.getcxxflags(cfg), cfg.buildoptions, cfg.buildoptions_cpp)),
objcflags = ninja.list(table.join(tool.getcflags(cfg), tool.getcxxflags(cfg), cfg.buildoptions, cfg.buildoptions_objc)),
}
_p("")
_p("# core rules for " .. cfg.name)
_p("rule cc")
_p(" command = " .. tool.cc .. " $defines $includes $flags -MMD -MF $out.d -c -o $out $in")
_p(" description = cc $out")
_p(" depfile = $out.d")
_p(" deps = gcc")
_p("")
_p("rule cxx")
_p(" command = " .. tool.cxx .. " $defines $includes $flags -MMD -MF $out.d -c -o $out $in")
_p(" description = cxx $out")
_p(" depfile = $out.d")
_p(" deps = gcc")
_p("")
_p("rule ar")
_p(" command = " .. tool.ar .. " $flags $out $in $libs " .. (os.is("MacOSX") and " 2>&1 > /dev/null | sed -e '/.o) has no symbols$$/d'" or ""))
_p(" description = ar $out")
_p("")
local link = iif(cfg.language == "C", tool.cc, tool.cxx)
_p("rule link")
_p(" command = " .. link .. " -o $out $in $all_ldflags $libs")
_p(" description = link $out")
_p("")
cpp.file_rules(cfg, flags)
local objfiles = {}
for _, file in ipairs(cfg.files) do
if path.isSourceFile(file) then
table.insert(objfiles, cpp.objectname(cfg, file))
end
end
_p('')
cpp.linker(prj, cfg, objfiles, tool, flags)
_p("")
end
function cpp.objectname(cfg, file)
return path.join(cfg.objectsdir, path.trimdots(path.removeext(file)) .. ".o")
end
function cpp.file_rules(cfg, flags)
_p("# build files")
for _, file in ipairs(cfg.files) do
if path.isSourceFile(file) then
local objfilename = cpp.objectname(cfg, file)
local cflags = "cflags"
if path.isobjcfile(file) then
_p("build " .. objfilename .. ": cxx " .. file)
cflags = "objcflags"
elseif path.isasmfile(file) then
_p("build " .. objfilename .. ": cc " .. file)
cflags = "asmflags"
elseif path.iscfile(file) and not cfg.options.ForceCPP then
_p("build " .. objfilename .. ": cc " .. file)
else
_p("build " .. objfilename .. ": cxx " .. file)
cflags = "cxxflags"
end
_p(1, "flags = " .. flags[cflags])
_p(1, "includes = " .. flags.includes)
_p(1, "defines = " .. flags.defines)
elseif path.isresourcefile(file) then
-- TODO
end
end
_p("")
end
function cpp.linker(prj, cfg, objfiles, tool)
local all_ldflags = ninja.list(table.join(tool.getlibdirflags(cfg), tool.getldflags(cfg), cfg.linkoptions))
local lddeps = ninja.list(premake.getlinks(cfg, "siblings", "fullpath"))
local libs = lddeps .. " " .. ninja.list(tool.getlinkflags(cfg))
local function writevars()
_p(1, "all_ldflags = " .. all_ldflags)
_p(1, "libs = " .. libs)
end
if cfg.kind == "StaticLib" then
local ar_flags = ninja.list(tool.getarchiveflags(cfg, cfg, false))
_p("# link static lib")
_p("build " .. cfg:getoutputfilename() .. ": ar " .. table.concat(objfiles, " ") .. " | " .. lddeps)
_p(1, "flags = " .. ninja.list(tool.getarchiveflags(cfg, cfg, false)))
elseif cfg.kind == "SharedLib" then
local output = cfg:getoutputfilename()
_p("# link shared lib")
_p("build " .. output .. ": link " .. table.concat(objfiles, " ") .. " | " .. libs)
writevars()
elseif (cfg.kind == "ConsoleApp") or (cfg.kind == "WindowedApp") then
_p("# link executable")
_p("build " .. cfg:getoutputfilename() .. ": link " .. table.concat(objfiles, " ") .. " | " .. lddeps)
writevars()
else
p.error("ninja action doesn't support this kind of target " .. cfg.kind)
end
end
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