File libpng-1.6.19-wix.patch of Package mingw32-libpng

diff -Naur libpng-1.6.19/configure.ac libpng-1.6.19-wix/configure.ac
--- libpng-1.6.19/configure.ac	2015-11-12 14:00:12.000000000 +0100
+++ libpng-1.6.19-wix/configure.ac	2017-04-27 16:01:58.973829286 +0200
@@ -316,6 +316,8 @@
 
 AC_MSG_NOTICE([[Extra options for compiler: $PNG_COPTS]])
 
+WIX_INIT()
+
 # Config files, substituting as above
 AC_CONFIG_FILES([Makefile libpng.pc:libpng.pc.in])
 AC_CONFIG_FILES([libpng-config:libpng-config.in],
diff -Naur libpng-1.6.19/libpng.wxs libpng-1.6.19-wix/libpng.wxs
--- libpng-1.6.19/libpng.wxs	1970-01-01 01:00:00.000000000 +0100
+++ libpng-1.6.19-wix/libpng.wxs	2017-04-27 16:01:58.973829286 +0200
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
+    <Fragment>
+        <ComponentGroup Id="libpng">
+            <ComponentRef Id="cmpA0FF5BF358C2E72596E2949EB3E74F33" />
+            <ComponentRef Id="cmp937430CFA45041FCA547AB4DBCCFE28D" />
+            <ComponentRef Id="cmp53A754F936FE4D2D81A3DABBA8951609" />
+        </ComponentGroup>
+    </Fragment>
+    <Fragment>
+        <DirectoryRef Id="libpng">
+            <Directory Id="dir7F464769B0EA1C0CBB9D30A52F16D0D1" Name="bin">
+                <Component Id="cmpA0FF5BF358C2E72596E2949EB3E74F33" Guid="{690F3247-A602-40A4-AAE9-6AE2F2B3DA28}">
+                    <File Id="filC4A7E38CBCF3248D0289C642FA9BDA9E" KeyPath="yes" Source="$(var.wixdistdir)\bin\libpng15-15.dll" />
+                </Component>
+            </Directory>
+            <Directory Id="dirAC892F5AF8D446FC82B2C24C3AAC0C4A" Name="share">
+                <Directory Id="dirB832BCF1EE6B4219851625F77D640BF2" Name="license">
+                    <Directory Id="dir47A1A0925A394BB1B52AD1A06402F60C" Name="libpng">
+                        <Component Id="cmp937430CFA45041FCA547AB4DBCCFE28D" Guid="{1DD86706-9861-4D71-987E-E0E2D556032B}">
+                            <File Id="fil4A4E43CF8C8D4E64ADF01C4E10939DAC" KeyPath="yes" Source="LICENSE" />
+                        </Component>
+                        <Component Id="cmp53A754F936FE4D2D81A3DABBA8951609" Guid="{352CCF8D-DE01-4294-8624-8020441A8CA5}">
+                            <File Id="fil26709964A25C400F9503485073A3F0BF" KeyPath="yes" Source="README" />
+                        </Component>
+                    </Directory>
+                </Directory>
+            </Directory>
+        </DirectoryRef>
+    </Fragment>
+</Wix>
diff -Naur libpng-1.6.19/Makefile.am libpng-1.6.19-wix/Makefile.am
--- libpng-1.6.19/Makefile.am	2015-09-26 03:16:12.000000000 +0200
+++ libpng-1.6.19-wix/Makefile.am	2017-04-27 16:02:41.646494090 +0200
@@ -359,3 +359,25 @@
 # too.  It used to, but some change either in libpng or configure stopped this
 # working.
 all-am: $(check_PROGRAMS)
+
+
+EXTRA_DIST += \
+    libpng.wxs
+
+if ENABLE_WIX
+@WIX_MAKE_RULES@
+
+wixlibdir = ${datadir}/wixlib
+wixlib_WIX = libpng.wixlib
+
+libpng.wixlib: wixdistdir
+install-recursive: install-am
+
+all-am: libpng-pc-stamp
+libpng-pc-stamp: libpng.pc
+	echo 'Wixlibs=${wixlibdir}/libpng.wixlib' >> libpng.pc
+	echo 'Fualflags=-C libpng -D libpng' >> libpng.pc
+	echo 'Requires.private: zlib' >> libpng.pc
+	touch \$(@)
+
+endif