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-rw-r--r--acsite.m428
1 files changed, 28 insertions, 0 deletions
diff --git a/acsite.m4 b/acsite.m4
index e8cdb22..6ade204 100644
--- a/acsite.m4
+++ b/acsite.m4
@@ -198,3 +198,31 @@ fi
AC_LANG_RESTORE
])dnl ACX_PTHREAD
+
+AC_DEFUN(AC_CHECK_GLOBAL,
+[
+for ac_global in $1
+do
+ ac_tr_global=HAVE_`echo $ac_global | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ AC_MSG_CHECKING([for global variable ${ac_global}])
+ AC_CACHE_VAL(ac_cv_global_$ac_global,
+ [
+ AC_TRY_LINK(dnl
+ [/* no includes */],
+ [ extern long int $ac_global; exit((int)$ac_global)],
+ eval "ac_cv_global_${ac_global}=yes",
+ eval "ac_cv_global_${ac_global}=no"
+ )
+ ]
+ )
+ if eval "test \"`echo '$ac_cv_global_'$ac_global`\" = yes"; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE_UNQUOTED($ac_tr_global,1,Define if the global variable $ac_global is available)
+ else
+ AC_MSG_RESULT(no)
+ fi
+done
+])
+
+
+