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changed configure.ac to test __int128_t in va_arg

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hyung-hwan
2018-06-29 16:48:20 +00:00
parent 51f61a31b6
commit 1d12ec3e3f
3 changed files with 10 additions and 6 deletions
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6
qse/configure.ac
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@ -591,10 +591,12 @@ dnl Changing ac_cv_sizeof___int128_t here doesn't corret SIZEOF___INT128_T
dnl since it's already generated. It only affects QSE_SIZEOF___INT128_T below.
if test ${ac_cv_sizeof___int128_t} -gt 0
then
AC_MSG_CHECKING([__int128_t with %])
AC_MSG_CHECKING([__int128_t with % and va_arg])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [
[AC_LANG_PROGRAM([#include <stdarg.h>], [
va_list ap;
volatile __int128_t x, base;
va_arg (ap, __int128_t);
x = (__int128_t)&base;
base = (__int128_t)&x;
x = x % base;