patch 7.4.1031
Problem:    Can't build with Python interface using MingW.
Solution:   Update the Makefile. (Yasuhiro Matsumoto)
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index d10817a..2b595bb 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -212,7 +212,13 @@
 endif
 
 ifndef PYTHON_VER
-PYTHON_VER=22
+PYTHON_VER=27
+endif
+ifndef DYNAMIC_PYTHON_DLL
+DYNAMIC_PYTHON_DLL=python$(PYTHON_VER).dll
+endif
+ifdef PYTHON_HOME
+PYTHON_HOME_DEF=-DPYTHON_HOME=\"$(PYTHON_HOME)\"
 endif
 
 ifeq (no,$(DYNAMIC_PYTHON))
@@ -220,12 +226,14 @@
 endif
 # my include files are in 'win32inc' on Linux, and 'include' in the standard
 # NT distro (ActiveState)
+ifndef PYTHONINC
 ifeq ($(CROSS),no)
 PYTHONINC=-I $(PYTHON)/include
 else
 PYTHONINC=-I $(PYTHON)/win32inc
 endif
 endif
+endif
 
 #	Python3 interface:
 #	  PYTHON3=[Path to Python3 directory] (Set inside Make_cyg.mak or Make_ming.mak)
@@ -772,7 +780,7 @@
 	gui.h
 
 $(OUTDIR)/if_python.o : if_python.c if_py_both.h $(INCL)
-	$(CC) -c $(CFLAGS) $(PYTHONINC) -DDYNAMIC_PYTHON_DLL=\"python$(PYTHON_VER).dll\" $< -o $@
+	$(CC) -c $(CFLAGS) $(PYTHONINC) $(PYTHON_HOME_DEF) -DDYNAMIC_PYTHON_DLL=\"$(DYNAMIC_PYTHON_DLL)\" $< -o $@
 
 $(OUTDIR)/if_python3.o : if_python3.c if_py_both.h $(INCL)
 	$(CC) -c $(CFLAGS) $(PYTHON3INC) -DDYNAMIC_PYTHON3_DLL=\"PYTHON$(PYTHON3_VER).dll\" $< -o $@