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| author | Tristan Gingold <tgingold@free.fr> | 2021-05-06 18:41:09 +0200 |
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| committer | Tristan Gingold <tgingold@free.fr> | 2021-05-06 18:41:09 +0200 |
| commit | 3d152fe546003bf5089a2a3915a225d1d088a0bf (patch) | |
| tree | 317c9fbba714b67cc40d9902429b645b0341c643 /doc/using | |
| parent | 85e966b83d9f49d31bc08ea0190706ef3b33b364 (diff) | |
| download | ghdl-3d152fe546003bf5089a2a3915a225d1d088a0bf.tar.gz ghdl-3d152fe546003bf5089a2a3915a225d1d088a0bf.tar.bz2 ghdl-3d152fe546003bf5089a2a3915a225d1d088a0bf.zip | |
doc: mention -frelaxed to avoid incompatibility for shared variables
Diffstat (limited to 'doc/using')
| -rw-r--r-- | doc/using/ImplementationOfVHDL.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/using/ImplementationOfVHDL.rst b/doc/using/ImplementationOfVHDL.rst index 332cd7402..a623801db 100644 --- a/doc/using/ImplementationOfVHDL.rst +++ b/doc/using/ImplementationOfVHDL.rst @@ -60,7 +60,8 @@ Shared variables were replaced by protected types in the 2000 revision of the VHDL standard. This modification is also known as 1076a. Note that this standard is not fully backward compatible with VHDL-93, since the type of a shared variable must now be a protected type (there was no such restriction -before). +before). This incompatibility can be bypassed with the +:option:`-frelaxed` option. Minor corrections were added by the 2002 revision of the VHDL standard. This revision is not fully backward compatible with VHDL-00 since, for example, |