On Sat, Apr 05, 2008 at 12:13:45AM +0300, Riku Voipio wrote:
> On Fri, Apr 04, 2008 at 07:22:07PM +0100, Jon Dowland wrote:
> > configure:17706: c++ -o conftest -fno-strict-aliasing -fshort-wchar
> > -pthread -pipe -lpthread -Wl,--as-needed conftest.C -ldl -lm 1>&5
> > /usr/bin/ld: ERROR: /tmp/ccef8aU1.o: Conflicting definitions of wchar_t
>
> Notice the error happens at linking time
>
> > On the other hand, it builds this correctly:
> > configure:8114: checking for compiler -fshort-wchar option
> > configure:8128: c++ -c -fno-strict-aliasing -fshort-wchar conftest.C 1>&5
>
> ...and 'c++ -c' specifically does _not_ link.
>
> $ cat test.c
> #include <stddef.h>
> #include <wchar.h>
>
> int main() {
> ; return 0; }
> all6500-2:~/icew
> $ c++ -c -fno-strict-aliasing -fshort-wchar test.c
> $ echo $?
> 0
> $ c++ -fno-strict-aliasing -fshort-wchar test.c
> /usr/bin/ld: ERROR: /tmp/ccKVwN1s.o: Conflicting definitions of wchar_t
> /usr/bin/ld: failed to merge target specific data of file
> /tmp/ccKVwN1s.o
> collect2: ld returned 1 exit status
>
> > And both tests have not changed for a while, and xulrunner build fine on
> > armel in unstable [1]
>
> FWIW xulrunner/iceweasel based on FF 2.0 does not work (even if it
> compiles) on armel. That's why we are looking at getting FF3.0
> compiled. The nokia internet tablets are based on armel and and
> have browser based on FF3.0 alpha, so it would seem more feasible
> to get FF3.0 working than backporting the support to 2.0..
It would still be nice to get the bug reports, especially considering
iceape and icedove, which i assume both build fine too, will more than
probably ship in 2.0 based versions in lenny.
> > Could you try to use the same toolchain as when xulrunner was built ?
> > i.e. gcc-4.2_4.2.3-2 g++-4.2_4.2.3-2 binutils_2.18.1~cvs20080103-1
>
> A quick test confirms, test.c compiles fine with g++-4.2, but fails with
> g++-4.3.
Seems like a candidate for a gcc regression :-/
Mike
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