On Tue, Jan 26, 2010 at 10:44:44PM +0100, Stefan Weil wrote: > Michael S. Tsirkin schrieb: > > Verify that stdio.h supports %lld %zd. > > Some migw variants don't unless requested explicitly (see > > migw -> mingw > > I don't know any ming32 variant which supports %lld, %zd. > There is a new mingw-w64 were people are addressing the > problem,
Did you try with -D__USE_MINGW_ANSI_STDIO=1 ? This is what the link below mentions. > but that variant is unsupported by qemu. What are the issues? > > > http://www.mail-archive.com/mingw-w64-pub...@lists.sourceforge.net/msg00417.html) > > ), detect them early. > > > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > > Acked-by: Juan Quintela <quint...@trasno.org> > > > > --- > > > > changes from v1: > > removed leftover chunk > > > > configure | 20 ++++++++++++++++++++ > > 1 files changed, 20 insertions(+), 0 deletions(-) > > > > diff --git a/configure b/configure > > index 5631bbb..6ba06d6 100755 > > --- a/configure > > +++ b/configure > > @@ -123,6 +123,26 @@ else > > exit 1 > > fi > > > > +# Check that stdio.h compiler is sane: some > > +# mingw variants do not support %z %l that we rely on > > +cat > $TMPC <<EOF > > +#include <stddef.h> > > +#include <stdio.h> > > +size_t z = 1; > > +long long ll = 2; > > +int main(void) { > > + printf("z=%zd;ll=%lld;\n", z, ll); > > + return 0; > > +} > > +EOF > > + > > +if compile_prog && ($TMPE | grep "z=1;ll=2;" > /dev/null); then > > + : C compiler works ok > > +else > > + echo "ERROR: \"$cc\" does not have a working stdio.h" > > + exit 1 > > +fi > > + > > check_define() { > > cat > $TMPC <<EOF > > #if !defined($1) > > > Tests of %lld must use a 64 bit pattern (ll = 0x0123456789abcdefLL). > Otherwise, %lld, %ld and %d with ll = 1 will all print 1 on little endian > machines, and the %lld test won't detect missing support. > > The problem is now several years old, it can be avoided for really > important output, so it seems acceptable to wait another period > of time until a working mingw is supported by qemu. > > A test which prevents qemu builds on windows with current mingw32 > or cross builds with current debian cross mingw32 would not help. > Both variants work for me even without full format support. > > Regards, > Stefan Weil