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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 095e23e69b6..5594548ddfd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -649,6 +649,7 @@ if test "x$enable_asm" = xyes; then
fi
AC_CHECK_HEADER([xlocale.h], [DEFINES="$DEFINES -DHAVE_XLOCALE_H"])
+AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
dnl Check to see if dlopen is in default libraries (like Solaris, which