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From: Glenn Morris <rgm@gnu.org>
To: Dan Nicolaescu <dann@gnu.org>
Cc: 6538@debbugs.gnu.org
Subject: bug#6538: Removal of C_DEBUG_SWITCH changes CFLAGS
Date: Wed, 30 Jun 2010 02:37:14 -0400	[thread overview]
Message-ID: <97ocet2fhh.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <yxqsk4583mo.fsf@fencepost.gnu.org> (Dan Nicolaescu's message of "Wed\, 30 Jun 2010 01\:56\:47 -0400")

Dan Nicolaescu wrote:

> C_DEBUG_SWITCH was weird, it used to specify optimization flags too,
> that's probably why C_OPTIMIZE_SWITCH is unused.

Yes, it was all very weird...

> C_DEBUG_SWITCH was just -g -O for all platforms that bothered to set it.  

What about irix6-5: "-g3 -O -OPT:Olimit=3500".

> We get that anyway for non-GCC compilers.

I noticed that AC_PROG_CC tests for -g, and adds it to CFLAGS if
supported. It also adds -O2 when using gcc. Perhaps this could be used
to further simplify configure.in...





  reply	other threads:[~2010-06-30  6:37 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-30  3:00 bug#6538: Removal of C_DEBUG_SWITCH changes CFLAGS Glenn Morris
2010-06-30  5:56 ` Dan Nicolaescu
2010-06-30  6:37   ` Glenn Morris [this message]
2010-06-30  7:27     ` Dan Nicolaescu

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