Add option to specify a different suffix for boost_thread.

bitcoin-qt.pro

@@ -7,6 +7,8 @@ CONFIG += no_include_pwd
 
 # for boost 1.37, add -mt to the boost libraries 
 # use: qmake BOOST_LIB_SUFFIX=-mt
+# for boost thread win32 with _win32 sufix
+# use: BOOST_THREAD_LIB_SUFFIX=_win32-...
 # or when linking against a specific BerkelyDB version: BDB_LIB_SUFFIX=-4.8
 
 # Dependency library locations can be customized with BOOST_INCLUDE_PATH, 
@@ -202,6 +204,10 @@ isEmpty(BOOST_LIB_SUFFIX) {
     windows:BOOST_LIB_SUFFIX = -mgw44-mt-1_43
 }
 
+isEmpty(BOOST_THREAD_LIB_SUFFIX) {
+    BOOST_THREAD_LIB_SUFFIX = $$BOOST_LIB_SUFFIX
+}
+
 isEmpty(BDB_LIB_PATH) {
     macx:BDB_LIB_PATH = /opt/local/lib/db48
 }
@@ -237,6 +243,6 @@ macx:TARGET = "Bitcoin-Qt"
 INCLUDEPATH += $$BOOST_INCLUDE_PATH $$BDB_INCLUDE_PATH $$OPENSSL_INCLUDE_PATH
 LIBS += $$join(BOOST_LIB_PATH,,-L,) $$join(BDB_LIB_PATH,,-L,) $$join(OPENSSL_LIB_PATH,,-L,)
 LIBS += -lssl -lcrypto -ldb_cxx$$BDB_LIB_SUFFIX
-LIBS += -lboost_system$$BOOST_LIB_SUFFIX -lboost_filesystem$$BOOST_LIB_SUFFIX -lboost_program_options$$BOOST_LIB_SUFFIX -lboost_thread$$BOOST_LIB_SUFFIX
+LIBS += -lboost_system$$BOOST_LIB_SUFFIX -lboost_filesystem$$BOOST_LIB_SUFFIX -lboost_program_options$$BOOST_LIB_SUFFIX -lboost_thread$$BOOST_THREAD_LIB_SUFFIX
 
 system($$QMAKE_LRELEASE -silent $$_PRO_FILE_)