# Rstan Compilation Hangs

**URL:** <https://discourse.mc-stan.org/t/rstan-compilation-hangs/15150>\
**Category:** RStan\
**Created:** [May 14, 2020, 5:57pm UTC](https://discourse.mc-stan.org/t/rstan-compilation-hangs/15150 "2020-05-14T17:57:46Z")\
**Posts on this page:** 1\
**Showing post:** 32

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**Author:** ![bgoodri](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.mc-stan.org/bgoodri/32/4451_2.png) [@bgoodri](https://discourse.mc-stan.org/u/bgoodri)\
**Post date:** [September 9, 2020, 6:48pm UTC](https://discourse.mc-stan.org/t/rstan-compilation-hangs/15150/32 "2020-09-09T18:48:20Z")

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You can install inline from CRAN now, but I still don’t know why there seems to be hanging. There is another thread about it at

> [@Problem with R update to 4.0.2 on MacOS: stan stuck in model fit](https://discourse.mc-stan.org/t/problem-with-r-update-to-4-0-2-on-macos-stan-stuck-in-model-fit/17664/26):
>
> Thanks much. I’m reporting outputs here from a machine running Mohave, but I get the same behavior on a different machine I just upgraded to Catalina (and did a fresh R and RStan install on). \> Rcpp::evalCpp("1 + 1", verbose = TRUE) Generated code for function definition: -------------------------------------------------------- #include \<Rcpp.h\> using namespace Rcpp; // [[Rcpp::export]] SEXP get\_value(){ return wrap( 1 + 1 ) ; } Generated extern "C" functions ---------------------------…

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_[View the full topic](https://discourse.mc-stan.org/t/rstan-compilation-hangs/15150)._