Makefile

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