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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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7
compiler/extccomp.nim
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@ -375,6 +375,10 @@ proc nameToCC*(name: string): TSystemCC =
return i
result = ccNone
proc listCCnames(): seq[string] =
for i in succ(ccNone) .. high(TSystemCC):
result.add CC[i].name
proc isVSCompatible*(conf: ConfigRef): bool =
return conf.cCompiler == ccVcc or
conf.cCompiler == ccClangCl or
@ -408,7 +412,8 @@ proc getConfigVar(conf: ConfigRef; c: TSystemCC, suffix: string): string =
proc setCC*(conf: ConfigRef; ccname: string; info: TLineInfo) =
conf.cCompiler = nameToCC(ccname)
if conf.cCompiler == ccNone:
localError(conf, info, "unknown C compiler: '$1'" % ccname)
let ccList = listCCnames().join(", ")
localError(conf, info, "unknown C compiler: '$1'. Available options are: $2" % [ccname, ccList])
conf.compileOptions = getConfigVar(conf, conf.cCompiler, ".options.always")
conf.linkOptions = ""
conf.ccompilerpath = getConfigVar(conf, conf.cCompiler, ".path")