add windows program (.exe) icon

bitcoin-qt.pro

@@ -11,6 +11,7 @@ macx:DEFINES += __WXMAC_OSX__ MSG_NOSIGNAL=0 BOOST_FILESYSTEM_VERSION=3
 macx:LIBS += -lboost_thread-mt -lboost_system-mt -lboost_filesystem-mt -lboost_program_options-mt
 windows:DEFINES += __WXMSW__
 windows:LIBS += -lssl -lcrypto -lboost_system-mgw44-mt-1_43 -lboost_filesystem-mgw44-mt-1_43 -lboost_program_options-mgw44-mt-1_43 -lboost_thread-mgw44-mt-1_43 -ldb_cxx -lws2_32 -lgdi32
+windows:RC_FILE = src/qt/res/bitcoin-qt.rc
 
 # for extra security against potential buffer overflows
 QMAKE_CXXFLAGS += -fstack-protector 

scripts/make_windows_icon.py

@@ -0,0 +1,9 @@
+#!/bin/bash
+# create multiresolution windows icon
+ICON_SRC=../src/qt/res/icons/bitcoin.png
+ICON_DST=../src/qt/res/icons/bitcoin.ico
+convert ${ICON_SRC} -resize 16x16 bitcoin-16.png
+convert ${ICON_SRC} -resize 32x32 bitcoin-32.png
+convert ${ICON_SRC} -resize 48x48 bitcoin-48.png
+convert bitcoin-16.png bitcoin-32.png bitcoin-48.png ${ICON_DST}
+

src/qt/res/bitcoin-qt.rc

@@ -0,0 +1 @@
+IDI_ICON1 ICON DISCARDABLE "icons/bitcoin.ico"