# VxWorks Munching Feature # When compiling C++ sources on VxWorks in kernel mode, all .o files have to # be processed by the so-called 'munch' script which will generate # additional code for static c'tors and d'tors. The resulting .c file has to # be compiled in turn and linked to the executable. # This can only been done when linking applications, since the munch script # generates a .c file containing static symbols: linking a lib that was # already munched to a munched application would lead to duplicate symbols! isEmpty(VXWORKS_MUNCH_EXT):VXWORKS_MUNCH_EXT = vxm isEmpty(VXWORKS_MUNCH_TOOL):VXWORKS_MUNCH_TOOL = $(WIND_BASE)/host/resource/hutils/tcl/munch.tcl !exists($$VXWORKS_MUNCH_TOOL) { error("Could not find VxWorks Munch tool: '$${VXWORKS_MUNCH_TOOL}'. Please set the environment variable WIND_BASE correctly.") } # The following scope is entered for any project that specifies 'shared' as well # as for any project specifying neither 'shared', nor 'lib', nor 'staticlib'. # This means that for a static build only the executable is munched, while for # a shared build, every lib, plugin and executable is munched separately. shared|!staticlib:!lib { *-dcc { VXWORKS_MUNCH_CMD = targ=`basename $(TARGET)`; \ ddump -Ng \"$(TARGET)\" | tclsh $$VXWORKS_MUNCH_TOOL -c $$VXWORKS_ARCH_MUNCH >\"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" && \ $$QMAKE_CC -c $$QMAKE_CFLAGS \"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" -o \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" && \ $$QMAKE_LINK $$QMAKE_LFLAGS -X -r5 -r4 \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" \"$(TARGET)\" -o \"$(TARGET).munched\" && \ mv \"$(TARGET).munched\" \"$(TARGET)\" && \ chmod +x \"$(TARGET)\" } *-g++ { VXWORKS_MUNCH_CMD = targ=`basename $(TARGET)`; \ nm \"$(DESTDIR)$(TARGET)\" | tclsh $$VXWORKS_MUNCH_TOOL -c $$VXWORKS_ARCH_MUNCH >\"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" && \ $$QMAKE_CC -c $$QMAKE_CFLAGS -fdollars-in-identifiers \"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" -o \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" && \ $$QMAKE_LINK $$QMAKE_LFLAGS -nostdlib -Wl,-X -T $(WIND_BASE)/target/h/tool/gnu/ldscripts/link.OUT \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" \"$(DESTDIR)$(TARGET)\" -o \"$(DESTDIR)$(TARGET).munched\" && \ mv \"$(DESTDIR)$(TARGET).munched\" \"$(DESTDIR)$(TARGET)\" && \ chmod +x \"$(DESTDIR)$(TARGET)\" } # We need to create a dummy lib.a in case someone links against this lib. # In VxWorks it's the responsibility of the run-time linker ld to resolve # symbols, since there are no real shared libraries for the toolchain linker # to link against. shared:contains(TEMPLATE, lib) { VXWORKS_MUNCH_CMD += "&&" VXWORKS_MUNCH_CMD += (atarg=`basename $(TARGET) .so.$${VERSION}`.a ; touch \"$(DESTDIR)\$\${atarg}\") } !isEmpty(QMAKE_POST_LINK):QMAKE_POST_LINK = $$escape_expand(\\n\\t)$$QMAKE_POST_LINK QMAKE_POST_LINK = $$VXWORKS_MUNCH_CMD$$QMAKE_POST_LINK silent:QMAKE_POST_LINK = @echo creating $@.$$VXWORKS_MUNCH_EXT && $$QMAKE_POST_LINK isEmpty(DESTDIR) { target.targets += "`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT" QMAKE_DISTCLEAN += "`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT" } else { target.targets += "$(DESTDIR)/`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT" QMAKE_DISTCLEAN += "$(DESTDIR)/`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT" } *-g++:LIBS += -lgcc }