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preprocessor/7029: preprocessor should ignore #warning with -M
- From: wolfgang dot bangerth at iwr dot uni-heidelberg dot de
- To: gcc-gnats at gcc dot gnu dot org
- Date: 14 Jun 2002 11:20:02 -0000
- Subject: preprocessor/7029: preprocessor should ignore #warning with -M
- Reply-to: wolfgang dot bangerth at iwr dot uni-heidelberg dot de
>Number: 7029
>Category: preprocessor
>Synopsis: preprocessor should ignore #warning with -M
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: change-request
>Submitter-Id: net
>Arrival-Date: Fri Jun 14 04:26:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Wolfgang Bangerth
>Release: unknown-1.0
>Organization:
>Environment:
all
>Description:
IMHO, warnings generated by #warning may be omitted when not
actually compiling code, for example when using -M to
generate dependency lists. They seem inappropriate for this
task.
>How-To-Repeat:
program> echo "#warning Warn about something" > x.cc
program> gcc -M x.cc
x.cc:1:2: warning: #warning Warn about something
x.o: x.cc
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: