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Some error and warning messages are not in the standard format. #6080

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vicuna opened this Issue Jul 17, 2013 · 2 comments

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vicuna commented Jul 17, 2013

Original bug ID: 6080
Reporter: @damiendoligez
Status: confirmed (set by @damiendoligez on 2013-10-08T14:49:44Z)
Resolution: open
Priority: normal
Severity: minor
Platform: all
Version: 4.01.0+dev
Category: compiler driver
Monitored by: @hcarty

Bug description

In some cases, the compiler prints errors or warnings in a format that is not recognized by emacs. For example:

$ ocamlc -pp false foo.ml
Error while running external preprocessor
Command line: false 'foo.ml' > /tmp/ocamlppa92222

$ ocamlc -unsafe -pp camlp4o foo.ml
Warning: option -unsafe used with a preprocessor returning a syntax tree

This is bad because such messages get lost in make's log and then you don't even know that something went wrong.

A related problem, the functions Misc.fatal_error and Compenv.fatal are redundant (and they both do it wrong).

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vicuna commented Jul 20, 2018

Comment author: @damiendoligez

The second part (non-standard warning) is resolved by commit 3d0299a in #1906.

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vicuna commented Jul 20, 2018

Comment author: @gasche

The "related problem" part seems related to

#1919

Damien, would you mind giving some feedback there, in case the "related problem" can be solved while we are at it?

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