sdk/jni.mk

   1 TARGET_EXEC := libJava_$(NATIVE_PACKAGE).so
   2
   3 LDFLAGS = -shared -fPIC -Wl,-soname,$(TARGET_EXEC).$(MAJOR).$(MINOR) -luuid
   4 CFLAGS = -fPIC
   5
   6 SRC_DIRS := .
   7 %:
   8         @echo Making '$@' $(if $^,from '$^')
   9 #       @echo 'MAJOR=$(MAJOR)'
  10 #       @echo 'MINOR=$(MINOR)'
  11         @echo 'SRC_DIRS=$(SRC_DIRS)'
  12         @echo 'BUILD_DIR=$(BUILD_DIR)'
  13
  14
  15 #
  16 # Generic Argeo
  17 #
  18 BUILD_DIR := $(SDK_BUILD_BASE)/$(NATIVE_PACKAGE)
  19 #BUILD_DIR := ./build
  20 #META_INF_DIR := ./../META-INF
  21 #ARCH := $(shell uname -p)
  22
  23 # Every folder in ./src will need to be passed to GCC so that it can find header files
  24 INC_DIRS := $(shell find $(SRC_DIRS) -type d) /usr/lib/jvm/java/include /usr/lib/jvm/java/include/linux /usr/include/uuid
  25
  26
  27 .PHONY: clean all ide
  28 all: $(SDK_BUILD_BASE)/$(TARGET_EXEC)
  29
  30 # Find all the C and C++ files we want to compile
  31 # Note the single quotes around the * expressions. Make will incorrectly expand these otherwise.
  32 SRCS := $(shell find $(SRC_DIRS) -name '*.cpp' -or -name '*.c' -or -name '*.s')
  33
  34 # String substitution for every C/C++ file.
  35 # As an example, hello.cpp turns into ./build/hello.cpp.o
  36 OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
  37
  38 # String substitution (suffix version without %).
  39 # As an example, ./build/hello.cpp.o turns into ./build/hello.cpp.d
  40 DEPS := $(OBJS:.o=.d)
  41
  42 # Add a prefix to INC_DIRS. So moduleA would become -ImoduleA. GCC understands this -I flag
  43 INC_FLAGS := $(addprefix -I,$(INC_DIRS))
  44
  45 # The -MMD and -MP flags together generate Makefiles for us!
  46 # These files will have .d instead of .o as the output.
  47 CPPFLAGS := $(INC_FLAGS) -MMD -MP
  48
  49 # The final build step.
  50 $(SDK_BUILD_BASE)/$(TARGET_EXEC): $(OBJS)
  51         $(CC) $(OBJS) -o $@ $(LDFLAGS)
  52
  53 # Build step for C source
  54 $(BUILD_DIR)/%.c.o: %.c
  55         mkdir -p $(dir $@)
  56         $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
  57
  58 # Build step for C++ source
  59 $(BUILD_DIR)/%.cpp.o: %.cpp
  60         mkdir -p $(dir $@)
  61         $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
  62
  63 clean:
  64         rm -r $(BUILD_DIR) $(SDK_BUILD_BASE)/$(TARGET_EXEC)
  65
  66 # Include the .d makefiles. The - at the front suppresses the errors of missing
  67 # Makefiles. Initially, all the .d files will be missing, and we don't want those
  68 # errors to show up.
  69 -include $(DEPS)
  70
  71 # MAKEFILE_DIR := $(dir $(firstword $(MAKEFILE_LIST)))