Re: Compilation warning/error

[Sascha Wildner <saw@xxxxxxxxx>]

Robert Gauthier schrieb:
> .
> Hi everyone !
>
> With CPUTYPE=p3 in '/etc/make.conf', compilation breaks as such:
> [ ... ]
> ===> usr.bin/uname
> ===> usr.bin/undo
> cc -O -pipe -march=pentium3 -march=pentium3 
> -I/usr/src/usr.bin/undo/../../sys
> -Wsystem-headers -Werror -Wall -W -Wno-unused-parameter 
> -Wstrict-prototypes -Wmi
> ssing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual 
> -Wwrite-strings -Wswi
> tch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline 
> -Wnested -externs -Wredundant-decls -c /usr/src/usr.bin/undo/undo.c
> cc1: warnings being treated as errors
> /usr/src/usr.bin/undo/undo.c: In function 'output_history':
> /usr/src/usr.bin/undo/undo.c:489: warning: 'hen.unused' may be used 
> uninitialize
> d in this function
> *** Error code 1
>
> Stop in /usr/src/usr.bin/undo.
> *** Error code 1
>
> Stop in /usr/src/usr.bin.
> *** Error code 1
>
> Sticking CPUTYPE=i686 instead of CPUTYPE=p3 in '/etc/make.conf' breaks 
> compilation with the same double ( -march=* ):
> ===> usr.bin/undo
> cc -O -pipe -march=pentiumpro -march=pentiumpro 
> -I/usr/src/usr.bin/undo/../../sy
>
> What is the solution to this strangness?

It's some gcc stupidity (generating different warnings if -march is 
tweaked). I guess we can't do much about that problem.

So I've taken out -Werror for now. Please update and try again.

Sascha

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