From c41fe70ef287882467fa0978ca0c678094c0bbec Mon Sep 17 00:00:00 2001 From: stijn Date: Mon, 1 May 2017 11:59:39 +0200 Subject: [PATCH] windows/README: Add a note about stack usage for msvc Add information as discussed in #2927 to the readme to make the easier to discover. --- windows/README.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/windows/README.md b/windows/README.md index a263d85495..6d32499032 100644 --- a/windows/README.md +++ b/windows/README.md @@ -45,6 +45,17 @@ To build from the command line: msbuild micropython.vcxproj +__Stack usage__ + +The msvc compiler is quite stack-hungry which might result in a "maximum recursion depth exceeded" +RuntimeError for code with lots of nested function calls. +There are several ways to deal with this: +- increase the threshold used for detection by altering the argument to `mp_stack_set_limit` in `unix/main.c` +- disable detection all together by setting `MICROPY_STACK_CHECK` to "0" in `windows/mpconfigport.h` +- disable the /GL compiler flag by setting `WholeProgramOptimization` to "false" + +See [issue 2927](https://github.com/micropython/micropython/issues/2927) for more information. + Running on Linux using Wine ---------------------------