3 files changed, 3 insertions, 6 deletions
diff --git a/src/plugins/imageformats/jpeg/jpeg.pro b/src/plugins/imageformats/jpeg/jpeg.pro
index e28c5fb..0b5d389 100644
--- a/src/plugins/imageformats/jpeg/jpeg.pro
+++ b/src/plugins/imageformats/jpeg/jpeg.pro
@@ -24,8 +24,7 @@ symbian: {
 contains(QT_CONFIG, system-jpeg) {
         unix|win32-g++*:LIBS += -ljpeg
         win32:!win32-g++*:LIBS += libjpeg.lib
-}
-!contains(QT_CONFIG, system-jpeg) {
+} else {
 	INCLUDEPATH += ../../../3rdparty/libjpeg
 	SOURCES  += \
 	    ../../../3rdparty/libjpeg/jaricom.c \
diff --git a/src/plugins/imageformats/mng/mng.pro b/src/plugins/imageformats/mng/mng.pro
index f23a5ef..c188b47 100644
--- a/src/plugins/imageformats/mng/mng.pro
+++ b/src/plugins/imageformats/mng/mng.pro
@@ -16,8 +16,7 @@ symbian: {
 contains(QT_CONFIG, system-mng) {
         unix|win32-g++*:LIBS += -lmng
         win32:!win32-g++*:LIBS += libmng.lib
-}
-!contains(QT_CONFIG, system-mng) {
+} else {
         DEFINES += MNG_BUILD_SO
         DEFINES += MNG_NO_INCLUDE_JNG
 	INCLUDEPATH += ../../../3rdparty/libmng
diff --git a/src/plugins/imageformats/tiff/tiff.pro b/src/plugins/imageformats/tiff/tiff.pro
index 3bf203c..90868e8 100644
--- a/src/plugins/imageformats/tiff/tiff.pro
+++ b/src/plugins/imageformats/tiff/tiff.pro
@@ -15,8 +15,7 @@ contains(QT_CONFIG, system-tiff) {
                 unix|win32-g++*:LIBS += -ljpeg
                 win32:!win32-g++*:LIBS += libjpeg.lib
         }
-}
-!contains(QT_CONFIG, system-tiff) {
+} else {
 	INCLUDEPATH += ../../../3rdparty/libtiff/libtiff
 	SOURCES  += \
 	    ../../../3rdparty/libtiff/libtiff/tif_aux.c \