lib/coreutils
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/coreutils.git synced 2026-11-02 06:36:37 +03:00
Code Activity

(jm_AC_TYPE_LONG_LONG): New macro.

Browse Source
This commit is contained in:
Jim Meyering
2001-08-18 15:55:38 +00:00
parent 24844c6332
commit 1443d5fffa
1 changed files with 19 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
m4/longlong.m4
View File

@@ -1,7 +1,25 @@
#serial 3
#serial 2
dnl From Paul Eggert.
# Define HAVE_LONG_LONG if 'long long' works.
AC_DEFUN([jm_AC_TYPE_LONG_LONG],
[
AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
[AC_TRY_LINK([long long ll = 1; int i = 63;],
[long long llmax = (long long) -1;
return ll << i | ll >> i | llmax / ll | llmax % ll;],
ac_cv_type_long_long=yes,
ac_cv_type_long_long=no)])
if test $ac_cv_type_long_long = yes; then
AC_DEFINE(HAVE_LONG_LONG, 1,
[Define if you have the long long type.])
fi
])
# Define HAVE_UNSIGNED_LONG_LONG if 'unsigned long long' works.
AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
[
AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,