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rule("utils.ispc")
set_extensions(".ispc")
on_config(function (target)
local headersdir = path.join(target:autogendir(), "rules", "utils", "ispc", "headers")
os.mkdir(headersdir)
target:add("includedirs", headersdir, {public = true})
end)
before_buildcmd_file(function (target, batchcmds, sourcefile_ispc, opt)
import("lib.detect.find_tool")
local ispc = assert(find_tool("ispc"), "ispc not found!")
local flags = {}
if target:values("ispc.flags") then
table.join2(flags, target:values("ispc.flags"))
end
if target:get("symbols") == "debug" then
table.insert(flags, "-g")
end
if target:get("optimize") == "none" then
table.insert(flags, "-O0")
elseif target:get("optimize") == "fast" then
table.insert(flags, "-O2")
elseif target:get("optimize") == "faster" or target:get("optimize") == "fastest" then
table.insert(flags, "-O3")
elseif target:get("optimize") == "smallest" then
table.insert(flags, "-O1")
end
if target:get("warnings") == "none" then
table.insert(flags, "--woff")
elseif target:get("warnings") == "error" then
table.insert(flags, "--werror")
end
if not target:is_plat("windows") then
table.insert(flags, "--pic")
end
local headersdir = path.join(target:autogendir(), "rules", "utils", "ispc", "headers")
local objectfile = target:objectfile(sourcefile_ispc)
local objectdir = path.directory(objectfile)
local headersfile
local header_extension = target:extraconf("rules", "utils.ispc", "header_extension")
if header_extension then
headersfile = path.join(headersdir, path.basename(sourcefile_ispc) .. header_extension)
else
headersfile = path.join(headersdir, path.filename(sourcefile_ispc) .. ".h")
end
table.insert(flags, "-o")
table.insert(flags, path(objectfile))
table.insert(flags, "-h")
table.insert(flags, path(headersfile))
table.insert(flags, path(sourcefile_ispc))
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.ispc %s", sourcefile_ispc)
batchcmds:mkdir(objectdir)
batchcmds:vrunv(ispc.program, flags)
table.insert(target:objectfiles(), objectfile)
batchcmds:add_depfiles(sourcefile_ispc, headersfile)
batchcmds:set_depmtime(os.mtime(objectfile))
batchcmds:set_depcache(target:dependfile(objectfile))
end)
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