jni/jni.mk

   1 TARGET_EXEC := libJava_$(NATIVE_PACKAGE).so
   2
   3 LDFLAGS = -shared -fPIC -Wl,-soname,$(TARGET_EXEC).$(MAJOR).$(MINOR) $(ADDITIONAL_LIBS)
   4 CFLAGS = -O3 -fPIC
   5
   6 SRC_DIRS := .
   7
   8 #
   9 # Generic Argeo
  10 #
  11 BUILD_DIR := $(SDK_BUILD_BASE)/jni/$(NATIVE_PACKAGE)
  12
  13 # Every folder in ./src will need to be passed to GCC so that it can find header files
  14 INC_DIRS := $(shell find $(SRC_DIRS) -type d) $(JAVA_HOME)/include $(JAVA_HOME)/include/linux $(ADDITIONAL_INCLUDES)
  15
  16
  17 .PHONY: clean all ide
  18 all: $(SDK_BUILD_BASE)/jni/$(TARGET_EXEC)
  19
  20 # Find all the C and C++ files we want to compile
  21 # Note the single quotes around the * expressions. Make will incorrectly expand these otherwise.
  22 SRCS := $(shell find $(SRC_DIRS) -name '*.cpp' -or -name '*.c' -or -name '*.s')
  23
  24 # String substitution for every C/C++ file.
  25 # As an example, hello.cpp turns into ./build/hello.cpp.o
  26 OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
  27
  28 # String substitution (suffix version without %).
  29 # As an example, ./build/hello.cpp.o turns into ./build/hello.cpp.d
  30 DEPS := $(OBJS:.o=.d)
  31
  32 # Add a prefix to INC_DIRS. So moduleA would become -ImoduleA. GCC understands this -I flag
  33 INC_FLAGS := $(addprefix -I,$(INC_DIRS))
  34
  35 # The -MMD and -MP flags together generate Makefiles for us!
  36 # These files will have .d instead of .o as the output.
  37 CPPFLAGS := $(INC_FLAGS) -MMD -MP
  38
  39 # The final build step.
  40 $(SDK_BUILD_BASE)/jni/$(TARGET_EXEC): $(OBJS)
  41         $(CC) $(OBJS) -o $@ $(LDFLAGS)
  42
  43 # Build step for C source
  44 $(BUILD_DIR)/%.c.o: %.c
  45         mkdir -p $(dir $@)
  46         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  47
  48 # Build step for C++ source
  49 $(BUILD_DIR)/%.cpp.o: %.cpp
  50         mkdir -p $(dir $@)
  51         $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
  52
  53 # Include the .d makefiles. The - at the front suppresses the errors of missing
  54 # Makefiles. Initially, all the .d files will be missing, and we don't want those
  55 # errors to show up.
  56 -include $(DEPS)
  57
  58 # MAKEFILE_DIR := $(dir $(firstword $(MAKEFILE_LIST)))