Re: building i386.rpm packages from src.rpm with -O0 instead -O2

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Todd Zullinger writes:
 > Pawel wrote:
 > > Could You tell me whether is there any generic way to build RPM
 > > package (together with its *-debuginfo package) that would be
 > > compiled with -O0 instead of (usual) -02.
 > 
 > I can think of a few ways you could do this.  I'm not sure which way
 > is best in general or for your particular needs.
 > 
 > You could set the CFLAGS environmental variable to -O0 or you could
 > set the __global_cflags or optflags definition in your rpm config (or
 > in the spec file or on the command line).
 > 
 > If you use 'CFLAGS="-O0" rpmbuild -bb package.spec' it will work,
 > though you won't get some of the other flags that are defined in the
 > %optflags and %__global_cflags by rpm.  You can see what those things
 > default to by using 'rpm --showrc'.  My i386 FC6 install has these:
 > 
 > optflags: %{__global_cflags} -m32 -march=i686 -mtune=generic -fasynchronous-unwind-tables
 > __global_cflags: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4
 > 
 > Hope that gets you started in the right direction (and/or prompts
 > someone else here to chime in with additions and corrections :).
 > 
 > -- 
 > Todd        OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp
 > ======================================================================
 > Money can't buy happiness, but it sure makes living in misery easier.
 > 
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Todd,
thanks for directios

Regards,
Pawel


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