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| author | Hiroshi Mimaki <[email protected]> | 2019-10-18 14:46:03 +0900 |
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| committer | Hiroshi Mimaki <[email protected]> | 2019-10-18 14:46:03 +0900 |
| commit | b6546835457d1935a9c77965686b2a1256874d96 (patch) | |
| tree | 724cfd71a7c956b0648e8c58f3717d797fff5f29 /CONTRIBUTING.md | |
| parent | 8ee516436b8d174a50764939bee23a442aa00b3f (diff) | |
| parent | 20d01f118ddb7e7f2f36926a7a3db35573611857 (diff) | |
| download | mruby-b6546835457d1935a9c77965686b2a1256874d96.tar.gz mruby-b6546835457d1935a9c77965686b2a1256874d96.zip | |
Merge master.
Diffstat (limited to 'CONTRIBUTING.md')
| -rw-r--r-- | CONTRIBUTING.md | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md index 6bababb89..3a7428a88 100644 --- a/CONTRIBUTING.md +++ b/CONTRIBUTING.md @@ -33,9 +33,16 @@ mruby should be highly portable to other systems and compilers. For this it is recommended to keep your code as close as possible to the C99 standard (http://www.open-std.org/jtc1/sc22/WG14/www/docs/n1256.pdf). -Although we target C99, Visual C++ is also an important target for mruby. For -this reason a declaration of a local variable has to be at the beginning of a -scope block. +Although we target C99, we've heard some compilers in the embedded environment +still requires declarations of local variables to be at the beginning of a +scope. Until we confirm the situation has changed, we use the old-style +variable declaration. + +Visual C++ is also an important target for mruby (supported version is 2013 or +later). For this reason features that are not supported by Visual C++ may not +be used (e.g. `%z` of `strftime()`). + +NOTE: Old GCC requires `-std=gnu99` option to enable C99 support. #### Reduce library dependencies to a minimum |