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# AC_C_MALLOPT
# -------------
# Define HAVE_C_MALLOPT if mallopt() works.
AN_IDENTIFIER([mallopt], [AC_C_MALLOPT])
AC_DEFUN([AC_C_MALLOPT],
[AC_CACHE_CHECK([for mallopt], ac_cv_c_mallopt,
[AC_LINK_IFELSE(
[AC_LANG_SOURCE(
[[#include <malloc.h>
int main(int argc, char **argv) {
mallopt(M_ARENA_MAX, 1);
}
]])],
[ac_cv_c_mallopt=yes],
[ac_cv_c_mallopt=no])])
if test $ac_cv_c_mallopt = yes; then
AC_DEFINE([HAVE_C_MALLOPT], 1,
[Define to 1 if glibc mallopt exists.])
fi
])# AC_C_MALLOPT
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