jni.mk

   1 ARGEO_BUILD_BASE := $(dir $(lastword $(MAKEFILE_LIST)))
   2 include $(ARGEO_BUILD_BASE)common.mk
   3
   4 # The following variables should be declared in the including Makefile:
   5 # NATIVE_PACKAGE    this native package name
   6 # A2_CATEGORY       the (single) a2 category the bundles will belong to
   7
   8 # The following variables have default values which can be overriden
   9 # DEP_NATIVE        space-separated logical names of named depdencies
  10 # DEP_INCLUDES      additional includes
  11 # DEP_LIBS          additional native libraries
  12 DEP_NATIVE ?=
  13 DEP_INCLUDES ?= $(foreach dep, $(DEP_NATIVE), /usr/include/$(dep))
  14 DEP_LIBS ?= $(foreach dep, $(DEP_NATIVE), -l$(dep))
  15
  16 A2_NATIVE_CATEGORY=$(A2_OUTPUT)/lib/linux/$(shell uname -m)/$(A2_CATEGORY)
  17 TARGET_EXEC := libJava_$(NATIVE_PACKAGE).so
  18
  19 LDFLAGS ?= -shared -fPIC -Wl,-soname,$(TARGET_EXEC).$(MAJOR).$(MINOR) $(DEP_LIBS)
  20 CFLAGS ?= -O3 -fPIC
  21
  22 SRC_DIRS := .
  23
  24 #
  25 # Generic Argeo
  26 #
  27 BUILD_DIR := $(SDK_BUILD_BASE)/jni/$(NATIVE_PACKAGE)
  28
  29 # Include directories
  30 INC_DIRS := $(shell find $(SRC_DIRS) -type d) $(JAVA_HOME)/include $(JAVA_HOME)/include/linux $(DEP_INCLUDES)
  31
  32 all: $(A2_NATIVE_CATEGORY)/$(TARGET_EXEC)
  33
  34 clean:
  35         $(RM) $(BUILD_DIR)/*.o
  36         $(RM) $(A2_NATIVE_CATEGORY)/$(TARGET_EXEC)
  37
  38 install:
  39         $(INSTALL) $(A2_NATIVE_INSTALL_TARGET) $(A2_NATIVE_CATEGORY)/$(TARGET_EXEC)
  40
  41 uninstall:
  42         $(RM) $(A2_NATIVE_INSTALL_TARGET)/$(TARGET_EXEC)
  43
  44 # Sources
  45 SRCS := $(shell find $(SRC_DIRS) -name '*.cpp' -or -name '*.c' -or -name '*.s')
  46 # Objects (example.cpp to ./org_example_core/example.cpp.o)
  47 OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
  48 # Dependencies (example.cpp.o to ./org_example_core/example.cpp.d)
  49 DEPS := $(OBJS:.o=.d)
  50 # Add -I prefix to include directories
  51 INC_FLAGS := $(addprefix -I,$(INC_DIRS))
  52 # Generate dependencies makefiles
  53 CPPFLAGS := $(INC_FLAGS) -MMD -MP
  54
  55 # Final build step
  56 $(A2_NATIVE_CATEGORY)/$(TARGET_EXEC): $(OBJS)
  57         mkdir -p $(A2_NATIVE_CATEGORY)
  58         $(CC) $(OBJS) -o $@ $(LDFLAGS)
  59
  60 # Build step for C source
  61 $(BUILD_DIR)/%.c.o: %.c
  62         mkdir -p $(dir $@)
  63         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  64
  65 # Build step for C++ source
  66 $(BUILD_DIR)/%.cpp.o: %.cpp
  67         mkdir -p $(dir $@)
  68         $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
  69
  70 # Include the .d makefiles. (- pefix suppress errors if not found)
  71 -include $(DEPS)
  72
  73 .PHONY: clean all install uninstall