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list available options for --cpu, --os and --cc if the passed option is not found (#11328)

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Ico Doornekamp 2019-05-25 20:22:57 +02:00 • committed by Andreas Rumpf
commit 70fb3a93e9
3 changed files with 20 additions and 3 deletions
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8
compiler/commands.nim
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@ -615,14 +615,18 @@ proc processSwitch*(switch, arg: string, pass: TCmdLinePass, info: TLineInfo;
expectArg(conf, switch, arg, pass, info)
if pass in {passCmd1, passPP}:
let theOS = platform.nameToOS(arg)
if theOS == osNone: localError(conf, info, "unknown OS: '$1'" % arg)
if theOS == osNone:
let osList = platform.listOSnames().join(", ")
localError(conf, info, "unknown OS: '$1'. Available options are: $2" % [arg, $osList])
elif theOS != conf.target.hostOS:
setTarget(conf.target, theOS, conf.target.targetCPU)
of "cpu":
expectArg(conf, switch, arg, pass, info)
if pass in {passCmd1, passPP}:
let cpu = platform.nameToCPU(arg)
if cpu == cpuNone: localError(conf, info, "unknown CPU: '$1'" % arg)
if cpu == cpuNone:
let cpuList = platform.listCPUnames().join(", ")
localError(conf, info, "unknown CPU: '$1'. Available options are: $2" % [ arg, cpuList])
elif cpu != conf.target.hostCPU:
setTarget(conf.target, conf.target.targetOS, cpu)
of "run", "r":