HOWTO build debug version of the cygwin dll with no optimisation?

[Christopher Faylor]

On Wed, Jul 14, 2004 at 08:48:36PM +0200, Corinna Vinschen wrote:
>On Jul 14 18:43, Dave Korn wrote:
>>   Ok, it doesn't mention how to do this in the user guide.  It doesn't say
>> how to do this in the FAQ.  It doesn't say how to do it on the website's
>> how-to-contribute page.  It doesn't say how to do this in the sources.  I've
>> searched at google.  I've searched at the list archive.  And the GNU
>> standard method (CFLAGS='-g -O0' ../src/configure) doesn't work.
>> 
>>   I found a post on the mailing list that suggests that you have to set
>> *three* environment variables, CFLAGS, CXXFLAGS, and LDFLAGS.
>> 
>>   I tried it and it didn't quite work properly.  My build logs are full of
>> stuff like...
>> 
>> make "AR_FLAGS=rc" 	"CC_FOR_BUILD=gcc" 	"CFLAGS=-O2 -g -O0"
>> "CFLAGS_FOR_BUILD=" 	"CFLAGS_FOR_TARGET=-O2 -g -O0" 	"LDFLAGS="
>                         ^^^^^^^^^^^^^^^^^
>                         That's it :-)
>
>Try `make CFLAGS=-g CFLAGS_FOR_TARGET=-g'.  That will compile everything
>w/o optimization

Or, once you've gotten supporting libraries built, just build in the
winsup/cygwin directory with CFLAGS=-g.  It's a lot faster to just build
cygwin from the cygwin subdirectory.

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