buildlib/python.mak

   1 # -*- make -*-
   2
   3 # This creates a python shared module.
   4
   5 # Input
   6 # $(SOURCE) - The source code to use
   7 # $(MODULE) - The name of the module without module or .so
   8
   9 # All output is writtin to .opic files in the build directory to
  10 # signify the PIC output.
  11
  12 # See defaults.mak for information about LOCAL
  13
  14 # Some local definitions
  15 LOCAL := $(MODULE)module.so
  16 $(LOCAL)-OBJS := $(addprefix $(OBJ)/,$(addsuffix .opic,$(notdir $(basename $(SOURCE)))))
  17 $(LOCAL)-DEP := $(addprefix $(DEP)/,$(addsuffix .opic.d,$(notdir $(basename $(SOURCE)))))
  18 $(LOCAL)-SLIBS := $(SLIBS)
  19 $(LOCAL)-MODULE := $(MODULE)
  20
  21 # Install the command hooks
  22 library: $(LIB)/$(MODULE)module.so
  23 clean: clean/$(LOCAL)
  24 veryclean: veryclean/$(LOCAL)
  25
  26 # Make Directories
  27 MKDIRS += $(OBJ) $(DEP) $(LIB)
  28
  29 # The clean rules
  30 .PHONY: clean/$(LOCAL) veryclean/$(LOCAL)
  31 clean/$(LOCAL):
  32         -rm -f $($(@F)-OBJS) $($(@F)-DEP)
  33 veryclean/$(LOCAL): clean/$(LOCAL)
  34         -rm -f $($(@F)-HEADERS) $(LIB)/$($(@F)-MODULE)module.so*
  35
  36 # The binary build rule.
  37 ifdef PYTHONLIB
  38 ifndef ONLYSTATICLIBS
  39 $(LIB)/$(MODULE)module.so: $($(LOCAL)-OBJS)
  40         -rm -f $(LIB)/$($(@F)-MODULE)module.so* 2> /dev/null
  41         echo Building shared Python module $@
  42         $(CXX) $(CXXFLAGS) $(LDFLAGS) $(PICFLAGS) $(LFLAGS) $(LFLAGS_SO)\
  43            -o $@ -shared \
  44            $(filter %.opic,$^) \
  45            $($(@F)-SLIBS) $(PYTHONLIB)
  46 else
  47 .PHONY: $(LIB)/$(MODULE)module.so
  48 $(LIB)/$(MODULE)module.so:
  49         echo Don't know how to make a python module here, not building $@
  50 endif # ifndef ONLYSTATICLIBS
  51 else
  52 .PHONY: $(LIB)/$(MODULE)module.so
  53 $(LIB)/$(MODULE)module.so:
  54         echo No python support, not building $@
  55 endif  # ifdef PYTHONLIB
  56
  57 # Compilation rules
  58 vpath %.cc $(SUBDIRS)
  59 $(OBJ)/%.opic: %.cc
  60         echo Compiling $< to $@
  61         $(CXX) -c $(INLINEDEPFLAG) $(CPPFLAGS) $(CXXFLAGS) $(PICFLAGS) -o $@ $<
  62         $(DoDep)
  63
  64 # Include the dependencies that are available
  65 The_DFiles = $(wildcard $($(LOCAL)-DEP))
  66 ifneq ($(words $(The_DFiles)),0)
  67 include $(The_DFiles)
  68 endif