Bug 2955. Workaround for lack of atomic operations in GCCE standard libraries (fall back to default use of Mutex)
CONFIG += designer
win32|mac: CONFIG+= debug_and_release
QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/designer
contains(TEMPLATE, ".*lib"):TARGET = $$qtLibraryTarget($$TARGET)
# install
target.path = $$[QT_INSTALL_PLUGINS]/designer
INSTALLS += target