#3636: ghc --make sends progress output to stderr
-----------------------------+----------------------------------------------
Reporter: ab | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.10.4 | Severity: minor
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
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This is a relatively minor problem, but it is really annoying. Running
{{{ghc --make}}} generates progress output on the standard error stream
rather than the usual standard out. For example, lines such as the
following appear on stderr:
{{{
[ 1 of 13] Compiling Poly ( tools/mackerel/Poly.hs, Poly.o )
[ 2 of 13] Compiling Space ( tools/mackerel/Space.hs, Space.o )
}}}
Could you please consider changing this so that progress output goes to
stdout and only actual errors go to stderr? Without this, it is much
harder to quieten the output from ghc but still see actual errors, and
various build system tools incorrectly identify the progress output as
error messages.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3636>
GHC <http://www.haskell.org/ghc/>
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