# -*- make -*- # This creates a shared library. # Input # $(SOURCE) - The source code to use # $(HEADERS) - Exported header files and private header files # $(LIBRARY) - The name of the library without lib or .so # $(MAJOR) - The major version number of this library # $(MINOR) - The minor version number of this library # All output is writtin to .opic files in the build directory to # signify the PIC output. # See defaults.mak for information about LOCAL # Some local definitions LOCAL := lib$(LIBRARY).so.$(MAJOR).$(MINOR) $(LOCAL)-OBJS := $(addprefix $(OBJ)/,$(addsuffix .opic,$(notdir $(basename $(SOURCE))))) $(LOCAL)-DEP := $(addprefix $(DEP)/,$(addsuffix .d,$(notdir $(basename $(SOURCE))))) $(LOCAL)-HEADERS := $(addprefix $(INCLUDE)/,$(HEADERS)) $(LOCAL)-SONAME := lib$(LIBRARY).so.$(MAJOR) # Install the command hooks headers: $($(LOCAL)-HEADERS) library: $(LIB)/lib$(LIBRARY).so $(LIB)/lib$(LIBRARY).so.$(MAJOR) clean: clean/$(LOCAL) veryclean: veryclean/$(LOCAL) # The clean rules .PHONY: clean/$(LOCAL) veryclean/$(LOCAL) clean/$(LOCAL): -rm -f $($(@F)-OBJS) $($(@F)-DEP) veryclean/$(LOCAL): clean/$(LOCAL) -rm -f $($(@F)-HEADERS) $(LIB)/lib$(LIBRARY).so* # Build rules for the two symlinks .PHONY: $(LIB)/lib$(LIBRARY).so.$(MAJOR) $(LIB)/lib$(LIBRARY).so $(LIB)/lib$(LIBRARY).so.$(MAJOR): $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR) ln -sf $(<F) $@ $(LIB)/lib$(LIBRARY).so: $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR) ln -sf $(<F) $@ # The binary build rule $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR): $($(LOCAL)-HEADERS) $($(LOCAL)-OBJS) echo Building shared library $@ $(CXX) $(CXXFLAGS) $(LDFLAGS) $(PICFLAGS) $(LFLAGS) -o $@ \ -Wl,-soname -Wl,$($(@F)-SONAME) -shared $(filter %.opic,$^) # Compilation rules vpath %.cc $(SUBDIRS) $(OBJ)/%.opic: %.cc echo Compiling $< to $@ $(CXX) -c $(INLINEDEPFLAG) $(CPPFLAGS) $(CXXFLAGS) $(PICFLAGS) -o $@ $< $(DoDep) # Include the dependencies that are available The_DFiles = $(wildcard $($(LOCAL)-DEP)) ifneq ($(words $(The_DFiles)),0) include $(The_DFiles) endif