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-rw-r--r--lib/pure/osproc.nim3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim
index 71ca51764..59eecf88d 100644
--- a/lib/pure/osproc.nim
+++ b/lib/pure/osproc.nim
@@ -237,7 +237,8 @@ proc execProcesses*(cmds: openArray[string],
                     options = {poStdErrToStdOut, poParentStreams},
                     n = countProcessors(),
                     beforeRunEvent: proc(idx: int) = nil): int
-                    {.rtl, tags: [ExecIOEffect, TimeEffect, ReadEnvEffect, RootEffect]} =
+                    {.rtl, extern: "nosp$1",
+                    tags: [ExecIOEffect, TimeEffect, ReadEnvEffect, RootEffect]} =
   ## executes the commands `cmds` in parallel. Creates `n` processes
   ## that execute in parallel. The highest return value of all processes
   ## is returned. Runs `beforeRunEvent` before running each command.