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--- a/configure.in
+++ b/configure.in
@@ -1191,8 +1191,9 @@ AC_CHECK_FILE(/dev/zero)
# Not all systems can mmap /dev/zero (such as HP-UX). Check for that.
if test "$ac_cv_func_mmap" = "yes" &&
test "$ac_cv_file__dev_zero" = "yes"; then
- AC_MSG_CHECKING(for mmap that can map /dev/zero)
- AC_TRY_RUN([
+ AC_CACHE_CHECK([for mmap that can map /dev/zero],
+ [ac_cv_mmap__dev_zero],
+ [AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -1215,9 +1216,7 @@ if test "$ac_cv_func_mmap" = "yes" &&
return 3;
}
return 0;
- }], [], [ac_cv_file__dev_zero=no], [ac_cv_file__dev_zero=no])
-
- AC_MSG_RESULT($ac_cv_file__dev_zero)
+ }], [], [ac_cv_file__dev_zero=no], [ac_cv_file__dev_zero=no])])
fi
# Now we determine which one is our anonymous shmem preference.
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