* Enable monitor support

rtl/aix/system.pp

@@ -17,6 +17,7 @@ unit System;
 interface
 
 {$define FPC_IS_SYSTEM}
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 
 {$linklib m}
 

rtl/bsd/system.pp

@@ -24,7 +24,7 @@ Unit System;
 
 Interface
 
-
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_USE_SIGPROCMASK}
 {$define FPC_USE_SIGALTSTACK}
 

rtl/nativent/system.pp

@@ -15,6 +15,7 @@
 unit System;
 interface
 
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_IS_SYSTEM}
 {$ifdef SYSTEMDEBUG}
   {$define SYSTEMEXCEPTIONDEBUG}

rtl/solaris/system.pp

@@ -16,6 +16,8 @@ unit System;
 
 interface
 
+
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_IS_SYSTEM}
 
 {$linklib m}

rtl/wasi/system.pp

@@ -17,6 +17,8 @@ unit system;
 
 interface
 
+
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_IS_SYSTEM}
 {$ifdef FPC_WASM_THREADS}
   {$define DISABLE_NO_THREAD_MANAGER}

rtl/win32/system.pp

@@ -16,6 +16,8 @@
 unit System;
 interface
 
+
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_IS_SYSTEM}
 {$ifdef SYSTEMDEBUG}
   {$define SYSTEMEXCEPTIONDEBUG}

rtl/win64/system.pp

@@ -17,6 +17,8 @@ unit System;
 interface
 
 
+
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_IS_SYSTEM}
 { $define SYSTEMEXCEPTIONDEBUG}
 

rtl/wince/system.pp

@@ -17,6 +17,7 @@ unit System;
 
 interface
 
+{$DEFINE SYSTEM_HAS_FEATURE_MONITOR}
 {$define FPC_IS_SYSTEM}
 {$ifdef SYSTEMDEBUG}
   {$define SYSTEMEXCEPTIONDEBUG}