fixes #18146; fixes #19372; disable tlsEmulation on windows; static link pthreads with mingw (#21668)

* fixes #18146; disable tlsEmulation on windows; static link libwinthreads DLL

* whatever

compiler/nim.cfg

@@ -14,7 +14,6 @@ threads:off
 
 @if windows:
   cincludes: "$lib/wrappers/libffi/common"
-  tlsEmulation:off
 @end
 
 define:useStdoutAsStdmsg

config/nim.cfg

@@ -179,7 +179,7 @@ nimblepath="$home/.nimble/pkgs/"
 # Configuration for the GNU C/C++ compiler:
 @if windows:
   #gcc.path = r"$nim\dist\mingw\bin"
-  @if gcc or tcc:
+  @if tcc:
     tlsEmulation:on
   @end
 @end

lib/std/typedthreads.nim

@@ -34,6 +34,10 @@
 ##
 ##  deinitLock(L)
 
+
+when defined(windows) and defined(gcc) and (not compileOption("tlsEmulation")):
+  {.passl: "-Wl,-Bstatic -lpthread -Wl,-Bdynamic".}
+
 import std/private/[threadtypes]
 export Thread
 

tests/config.nims

@@ -40,8 +40,6 @@ switch("define", "nimPreviewDotLikeOps")
 switch("define", "nimPreviewJsonutilsHoleyEnum")
 switch("define", "nimPreviewHashRef")
 switch("define", "nimPreviewRangeDefault")
-when defined(windows):
-  switch("tlsEmulation", "off")
 
 switch("warningAserror", "UnnamedBreak")
 switch("legacy", "verboseTypeMismatch")

tests/ic/config.nims

@@ -1,3 +1 @@
-when defined(windows):
-  --tlsEmulation:off
 --mm:refc