Re -Werror and backup plans

Christian Stimming stimming at
Mon Sep 5 05:13:53 EDT 2005

Just another remark for the -Werror issue: At least one of Neils code 
problems were related to the "declaration after code" issue.

[Explanation: That happens if you don't put all C declarations at the 
beginning of your function but you accidentally add more declarations 
after the first lines of code (e.g. after a g_assert). That is allowed 
in C++ and in C since C99, but the different gccs reacted quite 
differently. gcc2.x refuses to compile that outright. gcc3.1, 3.2 and 
3.3 however will silently accept that, which is a problem. Therefore 
gcc3.4 and 4.x introduces the additional warning switch 
-Wdeclaration-after-statement, which in combination with -Werror will 
realiably prevent you from accidentally adding that.]

Bottom line: You should make sure not only to have -Werror but 
additionaly also -Wdeclaration-after-statement if you have at least 
gcc3.4 available ( should add that automatically). And if 
you temporarily cannot use -Werror you should at least still add 
-Wdeclaration-after-statement to your CFLAGS so that you at least see 
these warnings.

Neil Williams schrieb:
>>PS: I use FC3.

By the way I keep on using SuSE (9.3 currently), precisely because we 
need that distro diversity in our project or otherwise we will 
unintenionally rely on distro-peculiarities and run into massive 
problems when other users want to use our releases.

> Could you do me a quick favour, off-list? This is going to be a fresh network 
> install from a FC3 DVD - January 05, gnome 2.8 libraries, 2.6.9 kernel, etc. 
> - could you drop me a line with a list of the packages I'll need specifically 
> for G2? It's been *years* since I did anything RPM-based!

For SuSE and 1.8-branch we have such a list on (under "Weitere 
erforderliche Pakete" = Other required packages). You can extrapolate 
that gnome2 requires similar gnome2-packages as the ones mentioned there.

However, in Suse9.3 one of the offered pre-selections was called "Gnome 
development", and if I installed these I think I already got everything. 
Except for slib and g-wrap. g-wrap was not available as suse9.3 rpm so 
that had to be installed from tarball.

Good luck :-)


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