From 4a3fcd0bf980b82120d230af57aa9e78a3838809 Mon Sep 17 00:00:00 2001
From: Jason Smith <jason.inet@gmail.com>
Date: Sun, 1 Mar 2020 15:37:16 -0800
Subject: [PATCH] Fix three extruder with auto-fan build (#17035)

---
 Marlin/src/core/macros.h                    |  4 ++--
 buildroot/share/tests/BIGTREE_SKR_PRO-tests | 11 +++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/core/macros.h b/Marlin/src/core/macros.h
index 5e0797d67..557234208 100644
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@@ -473,7 +473,7 @@
     ( DEFER2(__RREPEAT2)()(ADD1(_RPT_I),SUB1(_RPT_N),_RPT_OP,V) ) \
     ( /* Do nothing */ )
 #define __RREPEAT2() _RREPEAT2
-#define RREPEAT_S(S,N,OP)        EVAL(_RREPEAT(S,SUB##S(N),OP))
+#define RREPEAT_S(S,N,OP)        EVAL1024(_RREPEAT(S,SUB##S(N),OP))
 #define RREPEAT(N,OP)            RREPEAT_S(0,N,OP)
-#define RREPEAT2_S(S,N,OP,V...)  EVAL(_RREPEAT2(S,SUB##S(N),OP,V))
+#define RREPEAT2_S(S,N,OP,V...)  EVAL1024(_RREPEAT2(S,SUB##S(N),OP,V))
 #define RREPEAT2(N,OP,V...)      RREPEAT2_S(0,N,OP,V)
diff --git a/buildroot/share/tests/BIGTREE_SKR_PRO-tests b/buildroot/share/tests/BIGTREE_SKR_PRO-tests
index 094e01d9c..238b54d4f 100644
--- a/buildroot/share/tests/BIGTREE_SKR_PRO-tests
+++ b/buildroot/share/tests/BIGTREE_SKR_PRO-tests
@@ -14,5 +14,16 @@ opt_set MOTHERBOARD BOARD_BTT_SKR_PRO_V1_1
 opt_set SERIAL_PORT 1
 exec_test $1 $2 "BigTreeTech SKR Pro Default Configuration"
 
+restore_configs
+opt_set MOTHERBOARD BOARD_BTT_SKR_PRO_V1_1
+opt_set SERIAL_PORT -1
+opt_set EXTRUDERS 3
+opt_set TEMP_SENSOR_1 1
+opt_set TEMP_SENSOR_2 1
+opt_set E0_AUTO_FAN_PIN PC10
+opt_set E1_AUTO_FAN_PIN PC11
+opt_set E2_AUTO_FAN_PIN PC12
+exec_test $1 $2 "BigTreeTech SKR Pro 3 Extruders with Auto-Fan"
+
 # clean up
 restore_configs