Re: buildworld doesn't like -O2

Hi

I had the same problem. I put "NO_WARNS=yes" in my make.conf and it works now.  
Although I'm not really sure if it breaks things...

On Wednesday 10 December 2003 06:13, Damian Gerow wrote:
> Thus spake Steve Kargl (sgk_at_troutmask.apl.washington.edu) [09/12/03 22:59]:
> : -j# obfuscates where the actual error occurs unless you have
> : enough make-fu to read the log.  The first step one should
> : take when this type of error happens is a plain "make buildworld".
> : The next step is run cvsup again to see if the problem has
> : been fixed.  Then, report the error to freebsd-current.
>
> Okay, after some playing around, it turns out that something in the PAM
> code really doesn't like -O2 optimization -- I have CFLAGS=-O2 -pipe, and
> this is what I see:
>
>     ===> lib/libpam/modules/pam_echo
>     cc -O2 -pipe -march=pentiumpro \
>    
> -I/usr/src/lib/libpam/modules/pam_echo/../../../../contrib/openpam/include
> \ -I/usr/src/lib/libpam/modules/pam_echo/../../libpam -Wsystem-headers \
> -Werror -Wall -Wno-format-y2k -W -Wstrict-prototypes \
>     -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual \
>     -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wno-uninitialized  -c \
>     /usr/src/lib/libpam/modules/pam_echo/pam_echo.c \
>     /usr/src/lib/libpam/modules/pam_echo/pam_echo.c: In function
> `_pam_echo': /usr/src/lib/libpam/modules/pam_echo/pam_echo.c:92: warning:
>     dereferencing type-punned pointer will break strict-aliasing rules
>     *** Error code 1
>
>     Stop in /usr/src/lib/libpam/modules/pam_echo.
>     *** Error code 1
>
>     Stop in /usr/src/lib/libpam/modules.
>     *** Error code 1
>
>     Stop in /usr/src/lib/libpam.
>     *** Error code 1
>
>     Stop in /usr/src.
>     *** Error code 1
>
>     Stop in /usr/src.
>     *** Error code 1
>
>     Stop in /usr/src.
>     *** Error code 1
>
>     Stop in /usr/src.
>
> Yes, I'm aware the -O2 isn't supported.  World builds fine with just -O.
> I'll just drop back to that.
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