nanogui: Thread: [PATCH GCC4] nanox (config.x11 without MWIN) doesn't compile with gcc4

Hi all,

I just tried to compile Nano-X against gcc4
(gcc4 (GCC) 4.0.0 20050406 (Red Hat 4.0.0-0.41.fc3))
available in FC3.

It fails to compile due to a very small problem in the
nanowm code.
Compiling demos/nanowm/wlist.c ...
/home/alain/work/microwin/snaps/050426/microwin/src/demos/nanowm/wlist.c:16:
error: static declaration of ‘windows’ follows
non-static declaration
/home/alain/work/microwin/snaps/050426/microwin/src/demos/nanowm/nanowm.h:173:
error: previous declaration of ‘windows’ was here

In fact the fix is very simple ... just remove the
extern declaration of windows from nanowm.h since it
is just not necessary at all. Well, even if this fix
is really simple, I attach the patch to this email.

This is probably only the first patch of a little GCC4
patch series since MWIN also fails to compile and
there are so many warnings generated. The most common
one is
"pointer targets in assignment differ in signedness".

Alain

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