* honor --errorMax even for tools (eg drnim, nim doc) (#14546)

* fix a bug that prevented nim doc compiler/nim on windows

tools/kochdocs.nim

@@ -6,7 +6,9 @@ import "../compiler/nimpaths"
 
 const
   gaCode* = " --doc.googleAnalytics:UA-48159761-1"
-  nimArgs = "--hint:Conf:off --hint:Path:off --hint:Processing:off -d:boot --putenv:nimversion=$#" % system.NimVersion
+  # errormax: subsequent errors are probably consequences of 1st one; a simple
+  # bug could cause unlimited number of errors otherwise, hard to debug in CI.
+  nimArgs = "--errormax:3 --hint:Conf:off --hint:Path:off --hint:Processing:off -d:boot --putenv:nimversion=$#" % system.NimVersion
   gitUrl = "https://github.com/nim-lang/Nim"
   docHtmlOutput = "doc/html"
   webUploadOutput = "web/upload"

tools/nimfind.nim

@@ -169,8 +169,7 @@ proc mainCommand(graph: ModuleGraph) =
     if not fileExists(conf.projectFull):
       quit "cannot find file: " & conf.projectFull.string
     add(conf.searchPaths, conf.libpath)
-    # do not stop after the first error:
-    conf.errorMax = high(int)
+    conf.setErrorMaxHighMaybe
     try:
       compileProject(graph)
     finally: