sdk/jni.mk

   1 TARGET_EXEC := libJava_$(NATIVE_PACKAGE).so
   2
   3 LDFLAGS = -shared -fPIC -Wl,-soname,$(TARGET_EXEC).$(MAJOR).$(MINOR)
   4
   5 SRC_DIRS := .
   6 %:
   7         @echo Making '$@' $(if $^,from '$^')
   8 #       @echo 'MAJOR=$(MAJOR)'
   9 #       @echo 'MINOR=$(MINOR)'
  10         @echo 'SRC_DIRS=$(SRC_DIRS)'
  11         @echo 'BUILD_DIR=$(BUILD_DIR)'
  12
  13
  14 #
  15 # Generic Argeo
  16 #
  17 BUILD_DIR := $(SDK_BUILD_BASE)/$(NATIVE_PACKAGE)
  18 #BUILD_DIR := ./build
  19 #META_INF_DIR := ./../META-INF
  20 #ARCH := $(shell uname -p)
  21
  22 # Every folder in ./src will need to be passed to GCC so that it can find header files
  23 INC_DIRS := $(shell find $(SRC_DIRS) -type d) /usr/lib/jvm/java/include /usr/lib/jvm/java/include/linux
  24
  25 .PHONY: clean all ide
  26 all: $(SDK_BUILD_BASE)/$(TARGET_EXEC)
  27
  28 # Find all the C and C++ files we want to compile
  29 # Note the single quotes around the * expressions. Make will incorrectly expand these otherwise.
  30 SRCS := $(shell find $(SRC_DIRS) -name '*.cpp' -or -name '*.c' -or -name '*.s')
  31
  32 # String substitution for every C/C++ file.
  33 # As an example, hello.cpp turns into ./build/hello.cpp.o
  34 OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
  35
  36 # String substitution (suffix version without %).
  37 # As an example, ./build/hello.cpp.o turns into ./build/hello.cpp.d
  38 DEPS := $(OBJS:.o=.d)
  39
  40 # Add a prefix to INC_DIRS. So moduleA would become -ImoduleA. GCC understands this -I flag
  41 INC_FLAGS := $(addprefix -I,$(INC_DIRS))
  42
  43 # The -MMD and -MP flags together generate Makefiles for us!
  44 # These files will have .d instead of .o as the output.
  45 CPPFLAGS := $(INC_FLAGS) -MMD -MP
  46
  47 # The final build step.
  48 $(SDK_BUILD_BASE)/$(TARGET_EXEC): $(OBJS)
  49         $(CC) $(OBJS) -o $@ $(LDFLAGS)
  50
  51 # Build step for C source
  52 $(BUILD_DIR)/%.c.o: %.c
  53         mkdir -p $(dir $@)
  54         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  55
  56 # Build step for C++ source
  57 $(BUILD_DIR)/%.cpp.o: %.cpp
  58         mkdir -p $(dir $@)
  59         $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
  60
  61 clean:
  62         rm -r $(BUILD_DIR) $(SDK_BUILD_BASE)/$(TARGET_EXEC)
  63
  64 # Include the .d makefiles. The - at the front suppresses the errors of missing
  65 # Makefiles. Initially, all the .d files will be missing, and we don't want those
  66 # errors to show up.
  67 -include $(DEPS)
  68
  69 # MAKEFILE_DIR := $(dir $(firstword $(MAKEFILE_LIST)))