5 files changed, 20 insertions, 32 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in
index fb486c917f..2212aed5e0 100644
--- a/erts/emulator/Makefile.in
+++ b/erts/emulator/Makefile.in
@@ -50,6 +50,8 @@ LDFLAGS=@LDFLAGS@
 ARFLAGS=rc
 OMIT_OMIT_FP=no
 
+DIRTY_SCHEDULER_SUPPORT=@DIRTY_SCHEDULER_SUPPORT@
+
 ifeq ($(TYPE),debug)
 PURIFY =
 TYPEMARKER = .debug
@@ -174,6 +176,10 @@ FLAVOR_MARKER=.smp
 FLAVOR_FLAGS=-DERTS_SMP
 ENABLE_ALLOC_TYPE_VARS += smp nofrag
 M4FLAGS += -DERTS_SMP=1
+ifeq ($(DIRTY_SCHEDULER_SUPPORT),yes)
+THR_DEFS += -DERTS_DIRTY_SCHEDULERS
+endif
+
 else
 
 # If flavor isn't one of the above, it *is* plain flavor...
@@ -182,7 +188,6 @@ FLAVOR_MARKER=
 FLAVOR_FLAGS=
 ENABLE_ALLOC_TYPE_VARS += nofrag
 M4FLAGS +=
-
 endif
 
 TF_MARKER=$(TYPEMARKER)$(FLAVOR_MARKER)
diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h
index 2700b62854..6ec5fbb895 100644
--- a/erts/emulator/beam/erl_drv_nif.h
+++ b/erts/emulator/beam/erl_drv_nif.h
@@ -43,12 +43,11 @@ typedef struct {
     int suggested_stack_size;
 } ErlDrvThreadOpts;
 
-#if defined(ERL_DRV_DIRTY_SCHEDULER_SUPPORT) || defined(ERL_NIF_DIRTY_SCHEDULER_SUPPORT)
+
 typedef enum {
-    ERL_DRV_DIRTY_JOB_CPU_BOUND = 1,
-    ERL_DRV_DIRTY_JOB_IO_BOUND  = 2
-} ErlDrvDirtyJobFlags;
-#endif
+    ERL_DIRTY_JOB_CPU_BOUND = 1,
+    ERL_DIRTY_JOB_IO_BOUND  = 2
+} ErlDirtyJobFlags;
 
 #ifdef SIZEOF_CHAR
 #  define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 3964f7f679..02c82415fd 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -28,7 +28,6 @@
 #  include "config.h"
 #endif
 
-#include "erl_native_features_config.h"
 #include "erl_drv_nif.h"
 
 /* Version history:
@@ -167,13 +166,11 @@ typedef int ErlNifTSDKey;
 
 typedef ErlDrvThreadOpts ErlNifThreadOpts;
 
-#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
 typedef enum
 {
-    ERL_NIF_DIRTY_JOB_CPU_BOUND = ERL_DRV_DIRTY_JOB_CPU_BOUND,
-    ERL_NIF_DIRTY_JOB_IO_BOUND  = ERL_DRV_DIRTY_JOB_IO_BOUND
+    ERL_NIF_DIRTY_JOB_CPU_BOUND = ERL_DIRTY_JOB_CPU_BOUND,
+    ERL_NIF_DIRTY_JOB_IO_BOUND  = ERL_DIRTY_JOB_IO_BOUND
 }ErlNifDirtyTaskFlags;
-#endif
 
 typedef struct /* All fields all internal and may change */
 {
@@ -257,11 +254,7 @@ extern TWinDynNifCallbacks WinDynNifCallbacks;
 #  define ERL_NIF_INIT_DECL(MODNAME) ERL_NIF_INIT_EXPORT ErlNifEntry* nif_init(ERL_NIF_INIT_ARGS)
 #endif
 
-#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
-#  define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION
-#else
-#  define ERL_NIF_ENTRY_OPTIONS 0
-#endif
+#define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION
 
 #ifdef __cplusplus
 }
diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h
index a5acd86551..93e4313791 100644
--- a/erts/emulator/beam/erl_nif_api_funcs.h
+++ b/erts/emulator/beam/erl_nif_api_funcs.h
@@ -172,20 +172,11 @@ ERL_NIF_API_FUNC_DECL(int, enif_get_local_port, (ErlNifEnv* env, ERL_NIF_TERM, E
 ERL_NIF_API_FUNC_DECL(int, enif_term_to_binary, (ErlNifEnv *env, ERL_NIF_TERM term, ErlNifBinary *bin));
 ERL_NIF_API_FUNC_DECL(size_t, enif_binary_to_term, (ErlNifEnv *env, const unsigned char* data, size_t sz, ERL_NIF_TERM *term, unsigned int opts));
 ERL_NIF_API_FUNC_DECL(int, enif_port_command, (ErlNifEnv *env, const ErlNifPort* to_port, ErlNifEnv *msg_env, ERL_NIF_TERM msg));
+ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*));
 
 /*
 ** ADD NEW ENTRIES HERE (before this comment) !!!
 */
-
-
-/*
- * Conditional EXPERIMENTAL stuff always last.
- * Must be moved up and made unconditional to support binary backward
- * compatibility on Windows.
- */
-#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
-ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*));
-#endif
 #endif /* ERL_NIF_API_FUNC_DECL */
 
 /*
@@ -336,6 +327,7 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*));
 #  define enif_term_to_binary ERL_NIF_API_FUNC_MACRO(enif_term_to_binary)
 #  define enif_binary_to_term ERL_NIF_API_FUNC_MACRO(enif_binary_to_term)
 #  define enif_port_command ERL_NIF_API_FUNC_MACRO(enif_port_command)
+#  define enif_is_on_dirty_scheduler ERL_NIF_API_FUNC_MACRO(enif_is_on_dirty_scheduler)
 
 /*
 ** ADD NEW ENTRIES HERE (before this comment)
@@ -346,9 +338,6 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*));
  * Must be moved up and made unconditional to support binary backward
  * compatibility on Windows.
  */
-#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
-#  define enif_is_on_dirty_scheduler ERL_NIF_API_FUNC_MACRO(enif_is_on_dirty_scheduler)
-#endif
 #endif  /* ERL_NIF_API_FUNC_MACRO */
 
 
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index b9f6ab04c6..c35d80652f 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -7881,11 +7881,13 @@ driver_system_info(ErlDrvSysInfo *sip, size_t si_size)
      * (driver version 3.1, NIF version 2.7)
      */
     if (si_size >= ERL_DRV_SYS_INFO_SIZE(dirty_scheduler_support)) {
-#if defined(ERL_NIF_DIRTY_SCHEDULER_SUPPORT) && defined(USE_THREADS)
-	sip->dirty_scheduler_support = 1;
+	sip->dirty_scheduler_support =
+#ifdef ERTS_DIRTY_SCHEDULERS
+	    1
 #else
-	sip->dirty_scheduler_support = 0;
+	    0
 #endif
+	    ;
     }
 
 }