projects
/
gnulib.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
tweak comment
[gnulib.git]
/
m4
/
ulonglong.m4
diff --git
a/m4/ulonglong.m4
b/m4/ulonglong.m4
index
afc765a
..
e2fbb55
100644
(file)
--- a/
m4/ulonglong.m4
+++ b/
m4/ulonglong.m4
@@
-1,12
+1,13
@@
-#serial
1
+#serial
2
dnl From Paul Eggert.
AC_DEFUN(jm_AC_TYPE_UNSIGNED_LONG_LONG,
[
AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
dnl From Paul Eggert.
AC_DEFUN(jm_AC_TYPE_UNSIGNED_LONG_LONG,
[
AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
- [AC_TRY_COMPILE([],
- [unsigned long long i = (unsigned long long) -1;],
+ [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
+ [unsigned long long ullmax = (unsigned long long) -1;
+ return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
ac_cv_type_unsigned_long_long=yes,
ac_cv_type_unsigned_long_long=no)])
if test $ac_cv_type_unsigned_long_long = yes; then
ac_cv_type_unsigned_long_long=yes,
ac_cv_type_unsigned_long_long=no)])
if test $ac_cv_type_unsigned_long_long = yes; then