diff --git a/src/INSTALLpc.txt b/src/INSTALLpc.txt
index 1c50dd1..43d024a 100644
--- a/src/INSTALLpc.txt
+++ b/src/INSTALLpc.txt
@@ -296,9 +296,10 @@
 
     CC=clang
     CXX=clang++
-    make -f Make_ming.mak
+    # To build Vim without the GUI support
     make -f Make_ming.mak GUI=no
-    make -f Make_ming.mak GUI=yes
+    # To build Vim with the GUI support
+    make -f Make_ming.mak GUI=yes XPM=no
 
 To build Vim with the address sanitizer (ASAN), execute the following command:
 
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index 61df9a7..9c004fa 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -217,10 +217,12 @@
 DIRSLASH = \\
  endif
 endif
-ifeq ($(CC),)
+# set $CC to "gcc" unless it matches "clang"
+ifeq ($(findstring clang,$(CC)),)
 CC := $(CROSS_COMPILE)gcc
 endif
-ifeq ($(CXX),)
+# set $CXX to "g++" unless it matches "clang"
+ifeq ($(findstring clang,$(CXX)),)
 CXX := $(CROSS_COMPILE)g++
 endif
 ifeq ($(UNDER_CYGWIN),yes)
diff --git a/src/version.c b/src/version.c
index 74e8595..3e64ae4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5101,
+/**/
     5100,
 /**/
     5099,