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-rw-r--r--configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 4418cb841..58b68a811 100644
--- a/configure.ac
+++ b/configure.ac
@@ -285,6 +285,11 @@ LIBS="$ac_save_LIBS"
AC_MSG_RESULT($have_recursive_mutex)
+AC_CHECK_DECL(sysi86,[
+ AC_DEFINE(HAVE_SYSI86,1,[Define this if the 'sysi86' function is declared in sys/sysi86.h])
+ ],,[
+#include <sys/sysi86.h>
+])
dnl ---------------------------------------------
dnl Windows ports checks