Mail Archives: cygwin/2010/03/01/16:49:06
Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com> writes:
> On 01/03/2010 20:32, Dave Korn wrote:
>> On 01/03/2010 19:36, Paul Bibbings wrote:
>>
>>> -rwxr-xr-x 1 ... 392653 2010-01-31 00:57 cyggcc_s-sjlj-1.dll
>>
>> That's not one of ours at all. You can leave it, delete it, or move it
>> aside; it won't be referenced by any of the cygwin system stuff.
>
> BTW (unless you're doing something *really* tricky) that means you forgot to
> use "--disable-sjlj-exceptions" when you configured your compiler, which would
> go a very long way toward explaining why it didn't interoperate with the
> standard distro and why __gxx_personality_v0 was missing; we use Dwarf-2 EH
> throughout.
>
> cheers,
> DaveK
Thanks for the quick replies, Dave.
I have moved on some and re-installed the two libraries libssp0 and
libstdc++6 and through experimenting I came to the conclusion too that
cyggcc_s-sjlj-1 was not a Cygwin lib. It does seem, however, that I
will have to go round for another build on a couple of my compilers
since I did indeed miss --disable-sjlj-exceptions on gcc-4.4.3 and the
gcc-4.5.0 snapshot (and a few other things too). Before I do that, can
I ask whether it would be appropriate generally to follow the config
from
$ /cygdrive/d/CPPProjects/Emacs/cxxtest $gcc-4 -v
Using built-in specs.
Target: i686-pc-cygwin
Configured with:
/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4/configure
--srcdir=/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4
--prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin
--libexecdir=/usr/lib --datadir=/usr/share --localstatedir=/var
--sysconfdir=/etc --infodir=/usr/share/info --mandir=/usr/share/man
--datadir=/usr/share --infodir=/usr/share/info --mandir=/usr/share/man
-v --with-gmp=/usr --with-mpfr=/usr --enable-bootstrap
--enable-version-specific-runtime-libs --with-slibdir=/usr/bin
--libexecdir=/usr/lib --enable-static --enable-shared
--enable-shared-libgcc --disable-__cxa_atexit --with-gnu-ld
--with-gnu-as --with-dwarf2 --disable-sjlj-exceptions
--enable-languages=ada,c,c++,fortran,java,objc,obj-c++ --disable-symvers
--enable-libjava --program-suffix=-4 --enable-libgomp --enable-libssp
--enable-libada --enable-threads=posix --with-arch=i686
--with-tune=generic --enable-libgcj-sublibs CC=gcc-4 CXX=g++-4
CC_FOR_TARGET=gcc-4 CXX_FOR_TARGET=g++-4 GNATMAKE_FOR_TARGET=gnatmake
GNATBIND_FOR_TARGET=gnatbind AS=/opt/gcc-tools/bin/as.exe
AS_FOR_TARGET=/opt/gcc-tools/bin/as.exe LD=/opt/gcc-tools/bin/ld.exe
LD_FOR_TARGET=/opt/gcc-tools/bin/ld.exe
--with-ecj-jar=/usr/share/java/ecj.jar
Thread model: posix
gcc version 4.3.4 20090804 (release) 1 (GCC)
if I want to build, say, the latest gcc-4.4.3 release to be my Cygwin
workhorse gcc compiler (for C++, mainly)? Suitably adjusted, of course,
as I only want c,c++ and I want it installed under /opt/gcc-4.4.3.
On the current problem, having tidied up the libraries, I can get a
basic Qt4 app to build, but I'm not getting any joy running it. It
merely hangs at a point that I am still trying to trace through
debugging with gdb; and this is building using the Cygwin distro
gcc-4.3.4.
Thanks again for your help.
Regards
Paul Bibbings
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