From: Roumen Petrov <local@example.net>
Date: Tue, 26 Feb 2013 23:53:32 +0200

Issue #18485: MINGW: configure for shared build

diff -r b004da19b869 configure
--- a/configure	Wed Aug 24 07:51:36 2016 +0000
+++ b/configure	Wed Aug 24 12:59:33 2016 +0000
@@ -6052,6 +6052,13 @@
 	;;
 
   esac
+  case $host in
+    *-*-mingw*)
+        LDLIBRARY='libpython$(LDVERSION).dll.a'
+        DLLLIBRARY='libpython$(LDVERSION).dll'
+        BLDLIBRARY='-L. -lpython$(LDVERSION)'
+        ;;
+  esac
 else # shared is disabled
   PY_ENABLE_SHARED=0
   case $ac_sys_system in
@@ -6060,6 +6067,10 @@
           LDLIBRARY='libpython$(LDVERSION).dll.a'
           ;;
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(LDVERSION).a';;
+  esac
 fi
 
 if test "$cross_compiling" = yes; then
@@ -9206,6 +9217,12 @@
 		LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";;
 	*)	LDSHARED="ld";;
 	esac
+	case $host in
+	*-*-mingw*)
+		LDSHARED='$(CC) -shared -Wl,--enable-auto-image-base'
+		LDCXXSHARED='$(CXX) -shared -Wl,--enable-auto-image-base'
+		;;
+	esac
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LDSHARED" >&5
 $as_echo "$LDSHARED" >&6; }
@@ -16121,6 +16138,12 @@
   THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
 done
 
+case $host in
+  *-*-mingw*)
+        CPPFLAGS="$CPPFLAGS -I."
+    ;;
+esac
+
 
 SRCDIRS="Parser Grammar Objects Python Modules Mac Programs"
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for build directories" >&5
diff -r b004da19b869 configure.ac
--- a/configure.ac	Wed Aug 24 07:51:36 2016 +0000
+++ b/configure.ac	Wed Aug 24 12:59:33 2016 +0000
@@ -1178,6 +1178,13 @@
 	;;
 
   esac
+  case $host in
+    *-*-mingw*)
+        LDLIBRARY='libpython$(LDVERSION).dll.a'
+        DLLLIBRARY='libpython$(LDVERSION).dll'
+        BLDLIBRARY='-L. -lpython$(LDVERSION)'
+        ;;
+  esac
 else # shared is disabled
   PY_ENABLE_SHARED=0
   case $ac_sys_system in
@@ -1186,6 +1193,10 @@
           LDLIBRARY='libpython$(LDVERSION).dll.a'
           ;;
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(LDVERSION).a';;
+  esac
 fi
 
 if test "$cross_compiling" = yes; then
@@ -2442,6 +2453,12 @@
 		LDCXXSHARED="g++ -shared -Wl,--enable-auto-image-base";;
 	*)	LDSHARED="ld";;
 	esac
+	case $host in
+	*-*-mingw*)
+		LDSHARED='$(CC) -shared -Wl,--enable-auto-image-base'
+		LDCXXSHARED='$(CXX) -shared -Wl,--enable-auto-image-base'
+		;;
+	esac
 fi
 AC_MSG_RESULT($LDSHARED)
 LDCXXSHARED=${LDCXXSHARED-$LDSHARED}
@@ -5096,6 +5113,13 @@
   THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
 done
 
+case $host in
+  *-*-mingw*)
+    dnl Workaround for setup.py logic
+    CPPFLAGS="$CPPFLAGS -I."
+    ;;
+esac
+
 AC_SUBST(SRCDIRS)
 SRCDIRS="Parser Grammar Objects Python Modules Mac Programs"
 AC_MSG_CHECKING(for build directories)