Bug 37195 - Strange warning during Fortran files compiling
Strange warning during Fortran files compiling
Status: CLOSED CURRENTRELEASE
Product: Red Hat Linux
Classification: Retired
Component: gcc (Show other bugs)
7.0
i386 Linux
medium Severity medium
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Assigned To: Jakub Jelinek
David Lawrence
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2001-04-23 09:37 EDT by Need Real Name
Modified: 2007-04-18 12:32 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2001-04-23 09:37:40 EDT
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Description Need Real Name 2001-04-23 09:37:36 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.76 [en] (X11; U; Linux 2.2.16-22 i586)


If You use -Wunused option Compiler g77 warns if you have varibales in
COMMON blocks and you don't use them in this subprogram.
It is very iritated especially, if you declare COMMON blocks in including
files.
There were not this effect in previous version of EGCS (f77).

Reproducible: Always
Steps to Reproduce:
1.create the file common.fc which  includes as follows
	real a
	common /AAA/ a
2. create fortran program (ie. test.for):
	program test
	include 'common.fc'
	real b
	b =5.
	write(*,*)' b = ',b
	stop
	end 
3.
	

Actual Results:  warning: unused variable a

Expected Results:  no warning
Comment 1 Jakub Jelinek 2001-04-24 12:21:44 EDT
Upgrade to 2.96-77 or above (like the compiler shipped in 7.1 distro).

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