| | 1 | # -*- make -*- |
| | 2 | |
| | 3 | # This creates a shared library. |
| | 4 | |
| | 5 | # Input |
| | 6 | # $(SOURCE) - The source code to use |
| | 7 | # $(HEADERS) - Exported header files and private header files |
| | 8 | # $(LIBRARY) - The name of the library without lib or .so |
| | 9 | # $(MAJOR) - The major version number of this library |
| | 10 | # $(MINOR) - The minor version number of this library |
| | 11 | |
| | 12 | # All output is writtin to .opic files in the build directory to |
| | 13 | # signify the PIC output. |
| | 14 | |
| | 15 | # See defaults.mak for information about LOCAL |
| | 16 | |
| | 17 | # Some local definitions |
| | 18 | LOCAL := lib$(LIBRARY).so.$(MAJOR).$(MINOR) |
| | 19 | $(LOCAL)-OBJS := $(addprefix $(OBJ)/,$(addsuffix .opic,$(notdir $(basename $(SOURCE))))) |
| | 20 | $(LOCAL)-DEP := $(addprefix $(DEP)/,$(addsuffix .opic.d,$(notdir $(basename $(SOURCE))))) |
| | 21 | $(LOCAL)-HEADERS := $(addprefix $(INCLUDE)/,$(HEADERS)) |
| | 22 | $(LOCAL)-SONAME := lib$(LIBRARY).so.$(MAJOR) |
| | 23 | $(LOCAL)-SLIBS := $(SLIBS) |
| | 24 | $(LOCAL)-LIBRARY := $(LIBRARY) |
| | 25 | |
| | 26 | # Install the command hooks |
| | 27 | headers: $($(LOCAL)-HEADERS) |
| | 28 | library: $(LIB)/lib$(LIBRARY).so $(LIB)/lib$(LIBRARY).so.$(MAJOR) |
| | 29 | clean: clean/$(LOCAL) |
| | 30 | veryclean: veryclean/$(LOCAL) |
| | 31 | |
| | 32 | # The clean rules |
| | 33 | .PHONY: clean/$(LOCAL) veryclean/$(LOCAL) |
| | 34 | clean/$(LOCAL): |
| | 35 | -rm -f $($(@F)-OBJS) $($(@F)-DEP) |
| | 36 | veryclean/$(LOCAL): clean/$(LOCAL) |
| | 37 | -rm -f $($(@F)-HEADERS) $(LIB)/lib$($(@F)-LIBRARY).so* |
| | 38 | |
| | 39 | # Build rules for the two symlinks |
| | 40 | .PHONY: $(LIB)/lib$(LIBRARY).so.$(MAJOR) $(LIB)/lib$(LIBRARY).so |
| | 41 | $(LIB)/lib$(LIBRARY).so.$(MAJOR): $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR) |
| | 42 | ln -sf $(<F) $@ |
| | 43 | $(LIB)/lib$(LIBRARY).so: $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR) |
| | 44 | ln -sf $(<F) $@ |
| | 45 | |
| | 46 | # The binary build rule |
| | 47 | $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR): $($(LOCAL)-HEADERS) $($(LOCAL)-OBJS) |
| | 48 | -rm -f $(LIB)/lib$($(@F)-LIBRARY).so* 2> /dev/null |
| | 49 | echo Building shared library $@ |
| | 50 | $(CXX) $(CXXFLAGS) $(LDFLAGS) $(PICFLAGS) $(LFLAGS) -o $@ \ |
| | 51 | -Wl,-soname -Wl,$($(@F)-SONAME) -shared $(filter %.opic,$^) \ |
| | 52 | $($(@F)-SLIBS) |
| | 53 | |
| | 54 | # Compilation rules |
| | 55 | vpath %.cc $(SUBDIRS) |
| | 56 | $(OBJ)/%.opic: %.cc |
| | 57 | echo Compiling $< to $@ |
| | 58 | $(CXX) -c $(INLINEDEPFLAG) $(CPPFLAGS) $(CXXFLAGS) $(PICFLAGS) -o $@ $< |
| | 59 | $(DoDep) |
| | 60 | |
| | 61 | # Include the dependencies that are available |
| | 62 | The_DFiles = $(wildcard $($(LOCAL)-DEP)) |
| | 63 | ifneq ($(words $(The_DFiles)),0) |
| | 64 | include $(The_DFiles) |
| | 65 | endif |
projects / apt.git / blame_incremental