pthread-win32: don't propagate `mingw_headers'
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@ -28,6 +28,14 @@ stdenv.mkDerivation {
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cp -v pthread.h semaphore.h sched.h "$out/include"
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'';
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postFixup =
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# By default `mingw_headers' is propagated. Prevent that, because
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# otherwise MinGW headers appear twice in `-I', and thus the
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# "#include_next <float.h>" in MinGW's <float.h> picks up itself instead
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# of picking up GCC's (hence, FLT_RADIX is left undefined, for instance.)
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'' rm -f "$out/nix-support/propagated-build-inputs"
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'';
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meta = {
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description = "POSIX threads for Woe32";
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