On Thursday 2014-01-09 18:03, Roger Oberholtzer wrote:
On Thursday, January 09, 2014 05:59:50 PM Jan Engelhardt wrote:
On Thursday 2014-01-09 17:52, Roger Oberholtzer wrote:
[ 81s] configure: error: cannot run test program while cross compiling
[ 81s] See `config.log' for more details
[ 81s] error: Bad exit status from /var/tmp/rpm-tmp.3JPOqP (%build)
Hmm. What to do?
What package are we talking about?
It is a Tcl/Tk extension called TkImg.
AC_TRY_COMPILE(,[__int64 value = (__int64) 0;],
tcl_cv_type_64bit=__int64,tcl_cv_type_64bit=none
AC_TRY_RUN([#include
int main() {exit(!(sizeof(long long) > sizeof(long)));}
], tcl_cv_type_64bit="long long"))])
*sigh* someone (whoever wrote tcl.m4) did not knew autoconf well enough.
The AC_TRY_RUN call is, as you saw, an impediment to cross-compilation
and not really necessary. It should be replaceble by:
AC_CHECK_SIZEOF([long long])
AC_CHECK_SIZEOF([long])
AS_IF([test "$ac_cv_sizeof_long_long" -ne 0 &&
test "$ac_cv_sizeof_long" -ne 0 &&
test "$ac_cv_sizeof_long_long" -gt "$ac_cv_sizeof_long"],
[tcl_cv_type_64bit="long long"])
(And in the same go, for cosmetics, __int64 could also be AC_CHECK_SIZEOF'ed
instead.)
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