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