Fixes issue kR105-zz#3

bitcoin-qt.pro

@@ -8,7 +8,6 @@ greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 DEFINES += QT_GUI BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE
 CONFIG += no_include_pwd
 CONFIG += thread
-!macx:CONFIG += static
 
 # for boost 1.37, add -mt to the boost libraries
 # use: qmake BOOST_LIB_SUFFIX=-mt
@@ -67,8 +66,6 @@ win32:QMAKE_LFLAGS *= -Wl,--dynamicbase -Wl,--nxcompat
 win32:QMAKE_LFLAGS *= -Wl,--large-address-aware
 # i686-w64-mingw32
 win32:QMAKE_LFLAGS *= -static-libgcc -static-libstdc++
-# static linking
-!macx:QMAKE_LFLAGS *= -static
 
 # use: qmake "USE_QRCODE=1"
 # libqrencode (http://fukuchi.org/works/qrencode/index.en.html) must be installed for support
@@ -343,12 +340,18 @@ DEFINES += BITCOIN_QT_TEST
 }
 
 contains(USE_SSE2, 1) {
-DEFINES += USE_SSE2
-gccsse2.input  = SOURCES_SSE2
-gccsse2.output = $$PWD/build/${QMAKE_FILE_BASE}.o
-gccsse2.commands = $(CXX) -c $(CXXFLAGS) $(INCPATH) -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME} -msse2 -mstackrealign
-QMAKE_EXTRA_COMPILERS += gccsse2
-SOURCES_SSE2 += src/scrypt-sse2.cpp
+    DEFINES += USE_SSE2
+    gccsse2.input  = SOURCES_SSE2
+    gccsse2.output = $$PWD/build/${QMAKE_FILE_BASE}.o
+    gccsse2.commands = $(CXX) -c $(CXXFLAGS) $(INCPATH) -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME} -msse2 -mstackrealign
+    QMAKE_EXTRA_COMPILERS += gccsse2
+    SOURCES_SSE2 += src/scrypt-sse2.cpp
+}
+
+# use: qmake "STATICBUILD=1"
+contains(STATICBUILD, 1) {
+    !macx:CONFIG += static
+    !macx:QMAKE_LFLAGS *= -static
 }
 
 # Todo: Remove this line when switching to Qt5, as that option was removed