Index: configure.ac
===================================================================
--- configure.ac (revision 1726)
+++ configure.ac (working copy)
@@ -155,6 +155,16 @@
[enable Just-In-Time compiling support]),
, enable_jit=no)
+if test "$enable_jit" = "auto"; then
+ AC_LANG(C)
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+ #define SLJIT_CONFIG_AUTO 1
+ #include "sljit/sljitConfigInternal.h"
+ #if (defined SLJIT_CONFIG_UNSUPPORTED && SLJIT_CONFIG_UNSUPPORTED)
+ #error unsupported
+ #endif]])], enable_jit=yes, enable_jit=no)
+fi
+
# Handle --disable-pcregrep-jit (enabled by default)
AC_ARG_ENABLE(pcregrep-jit,
AS_HELP_STRING([--disable-pcregrep-jit],
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