Build failure after recent checkins

Jan-Benedict Glaw jbglaw at lug-owl.de
Sun Nov 27 23:27:16 UTC 2005


On Sun, 2005-11-27 23:52:49 +0100, Peter S. Mazinger <ps.m at gmx.net> wrote:
> On Sun, 27 Nov 2005, Jan-Benedict Glaw wrote:
> > 12537 worked for me, 12544 doesn't:
> > [...]
> > vax-linux-uclibc-gcc -c libc/string/stpcpy.c -o libc/string/stpcpy.o -Wall -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-stack-protector -fno-builtin -nostdinc -D_LIBC -I./include -I. -Os -funit-at-a-time -isystem /home/jbglaw/vax-linux/scm/build-20051127-143504-vax-linux-uclibc/install/usr/lib/gcc/vax-linux-uclibc/4.2.0/include -DNDEBUG
> > In file included from libc/string/stpcpy.c:10:
> > libc/string/wstring.c:75: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
> > libc/string/wstring.c:76: warning: type defaults to 'int' in declaration of 'wchar_t'
> > libc/string/wstring.c:76: error: expected ';', ',' or ')' before '*' token
> > libc/string/wstring.c:77: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
> > libc/string/wstring.c:79: warning: type defaults to 'int' in declaration of 'wchar_t'
> > libc/string/wstring.c:79: error: expected ';', ',' or ')' before '*' token
> > libc/string/wstring.c:80: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
> > make: *** [libc/string/stpcpy.o] Error 1
> > 
> > My cross-gcc is an up-to-date 4.2.0 snapshot. This looks like being a
> > problem with the recent hiding work.
> 
> I didn't even know that 4.1 is out, well try to move attribute_hidden 

4.1 has been already branched off, 4.2 is the current SVN HEAD.

> around in the line and see where it is accepted. If the current syntax 
> fails, then not even glibc can be built.

Just tracked it down, really. It's not related to the hidden
visibility at all. What seems to be missing is a typedef for wchar_t
at this point. The error message is just wrong. If I change
s/wchar_t/char/ in that specific file (at around line 75), gcc accepts
this.

If we look at the head of wstring.c, <wchar.h> is only included in the
WANT_WIDE case. So it's probably only broken for #undef WANT_WIDE...

MfG, JBG

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