Disable threads for os:any (nim-lang#21425)

bung87 · Jul 29, 2023 · d82bf65 · d82bf65
1 parent 7ccb28e
commit d82bf65
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diff --git a/config/nim.cfg b/config/nim.cfg
@@ -100,6 +100,11 @@ nimblepath="$home/.nimble/pkgs/"
   gcc.options.always %= "${gcc.options.always} -fsanitize=null -fsanitize-undefined-trap-on-error"
 @end
 
+# Turn off threads support when compiling for bare-metal targets (--os:any)
+@if any:
+  threads:off
+@end
+
 @if unix and mingw:
   # Cross compile for Windows from Linux/OSX using MinGW
   i386.windows.gcc.exe = "i686-w64-mingw32-gcc"

diff --git a/lib/std/typedthreads.nim b/lib/std/typedthreads.nim
@@ -45,6 +45,8 @@ when defined(nimPreviewSlimSystem):
 when defined(genode):
   import genode/env
 
+when hostOS == "any":
+  {.error: "Threads not implemented for os:any. Please compile with --threads:off.".}
 
 when hasAllocStack or defined(zephyr) or defined(freertos) or defined(nuttx) or
     defined(cpu16) or defined(cpu8):