--- Makefile.in~0	2013-01-23 21:07:43.000000000 +0200
+++ Makefile.in	2015-09-29 18:25:38.985625000 +0300
@@ -352,9 +352,9 @@
 
 # Escape paths properly on windows
 @NATIVE_WIN32_TRUE@AM_CPPFLAGS = \
-@NATIVE_WIN32_TRUE@	-DPKG_CONFIG_PC_PATH="\"$(subst /,\/,$(pc_path))\"" \
-@NATIVE_WIN32_TRUE@	-DPKG_CONFIG_SYSTEM_INCLUDE_PATH="\"$(subst /,\/,$(system_include_path))\"" \
-@NATIVE_WIN32_TRUE@	-DPKG_CONFIG_SYSTEM_LIBRARY_PATH="\"$(subst /,\/,$(system_library_path))\""
+@NATIVE_WIN32_TRUE@	-DPKG_CONFIG_PC_PATH="\"$(pc_path)\"" \
+@NATIVE_WIN32_TRUE@	-DPKG_CONFIG_SYSTEM_INCLUDE_PATH="\"$(system_include_path)\"" \
+@NATIVE_WIN32_TRUE@	-DPKG_CONFIG_SYSTEM_LIBRARY_PATH="\"$(system_library_path)\""
 
 AM_CFLAGS = \
 	$(WARN_CFLAGS) \
--- check/check-path~0	2012-11-20 18:46:10.000000000 +0200
+++ check/check-path	2015-09-29 18:32:00.376250000 +0300
@@ -12,7 +12,7 @@
 case ${MACHTYPE} in
 *-msys)
     # Make sure path doesn't get mangled on MSYS
-    RESULT=$(echo $pc_path | sed 's,/,\\/,g')
+    RESULT=$(echo $pc_path | sed 's,^/d,d:,' | sed 's,/,\\,g')
     ;;
 *)
     RESULT=$pc_path
--- check/simple.pc~0	2012-11-19 18:18:55.000000000 +0200
+++ check/simple.pc	2015-09-29 18:32:51.110625000 +0300
@@ -1,4 +1,4 @@
-prefix=/usr
+prefix=d:/usr
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
