projects / apt.git / blame
| Commit | Line | Data |
|---|---|---|
| 094a497d AL |
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 .d,$(notdir $(basename $(SOURCE))))) | |
| 21 | $(LOCAL)-HEADERS := $(addprefix $(INCLUDE)/,$(HEADERS)) | |
| 22 | $(LOCAL)-SONAME := lib$(LIBRARY).so.$(MAJOR) | |
| 880e9be4 | 23 | $(LOCAL)-SLIBS := $(SLIBS) |
| 094a497d AL |
24 | |
| 25 | # Install the command hooks | |
| 26 | headers: $($(LOCAL)-HEADERS) | |
| 27 | library: $(LIB)/lib$(LIBRARY).so $(LIB)/lib$(LIBRARY).so.$(MAJOR) | |
| 28 | clean: clean/$(LOCAL) | |
| 29 | veryclean: veryclean/$(LOCAL) | |
| 30 | ||
| 31 | # The clean rules | |
| 32 | .PHONY: clean/$(LOCAL) veryclean/$(LOCAL) | |
| 33 | clean/$(LOCAL): | |
| 34 | -rm -f $($(@F)-OBJS) $($(@F)-DEP) | |
| 35 | veryclean/$(LOCAL): clean/$(LOCAL) | |
| 36 | -rm -f $($(@F)-HEADERS) $(LIB)/lib$(LIBRARY).so* | |
| 37 | ||
| 38 | # Build rules for the two symlinks | |
| 39 | .PHONY: $(LIB)/lib$(LIBRARY).so.$(MAJOR) $(LIB)/lib$(LIBRARY).so | |
| 40 | $(LIB)/lib$(LIBRARY).so.$(MAJOR): $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR) | |
| 41 | ln -sf $(<F) $@ | |
| 42 | $(LIB)/lib$(LIBRARY).so: $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR) | |
| 43 | ln -sf $(<F) $@ | |
| 44 | ||
| 45 | # The binary build rule | |
| 46 | $(LIB)/lib$(LIBRARY).so.$(MAJOR).$(MINOR): $($(LOCAL)-HEADERS) $($(LOCAL)-OBJS) | |
| 47 | echo Building shared library $@ | |
| 48 | $(CXX) $(CXXFLAGS) $(LDFLAGS) $(PICFLAGS) $(LFLAGS) -o $@ \ | |
| 880e9be4 AL |
49 | -Wl,-soname -Wl,$($(@F)-SONAME) -shared $(filter %.opic,$^) \ |
| 50 | $($(@F)-SLIBS) | |
| 094a497d AL |
51 | |
| 52 | # Compilation rules | |
| 53 | vpath %.cc $(SUBDIRS) | |
| 54 | $(OBJ)/%.opic: %.cc | |
| 55 | echo Compiling $< to $@ | |
| 56 | $(CXX) -c $(INLINEDEPFLAG) $(CPPFLAGS) $(CXXFLAGS) $(PICFLAGS) -o $@ $< | |
| 57 | $(DoDep) | |
| 58 | ||
| 59 | # Include the dependencies that are available | |
| 60 | The_DFiles = $(wildcard $($(LOCAL)-DEP)) | |
| 61 | ifneq ($(words $(The_DFiles)),0) | |
| 62 | include $(The_DFiles) | |
| 63 | endif |