[GRASS5] Problems compiling and running GRASS6.CVS
neteler at itc.it
Wed Apr 5 18:02:05 EDT 2006
On Wed, Apr 05, 2006 at 10:59:15PM +0100, Glynn Clements wrote:
> Markus Neteler wrote:
> > > > > [The current default setting of CFLAGS_WARNING enables too many
> > > > > warnings, resulting in significant warnings getting lost in the noise.
> > > > > I'll change that.]
> > > >
> > > > what are the recommended gcc settings for pedantic developers to use?
> > >
> > > If you're compiling a specific module which you're working on, the
> > > default setting (-Wall -Wconversion -Wno-implicit-int) is probably
> > > appropriate. Otherwise, it should be empty, so that you only get the
> > > compiler's default warnings.
> > >
> > > FWIW, I wouldn't suggest trying to eliminate all of the warnings
> > > arising from -Wconversion; just check that they don't indicate flaws
> > > in your code.
> > >
> > I am using
> > CFLAGS="-g -Wall -pedantic -Werror-implicit-function-declaration -fno-common"
> > for long time now which seems to be quite successfully as it
> > - stops on severe problems (so, nothing get's lost in noise then)
> > - traps most wrong/absent declarations
> Note that CFLAGS_WARNING is appended to the compilation command
> regardless of the CFLAGS setting.
> I intend to remove the references to CFLAGS_WARNING; the user should
> use CFLAGS as above to select the warning switches.
> The actuall setting of CFLAGS_WARNING comes from SC_CONFIG_CFLAGS in
> aclocal.m4. I'm not sure if it was there originally or added later.
Ah, sorry for the confusion. So, good that you want to clean up stuff.
More information about the grass-dev