当我尝试在我的项目上运行 ndk-build 时，是什么导致了这个奇怪的错误？我逐字按照这个示例http://mobile.tutsplus.com/tutorials/android/ndk-tutorial/ 我能够完美地编译和运行 NDK 附带的 android 示例
- 我的 make 文件中没有不必要的空格
- 我的项目属性在 Eclipse 中似乎还可以
- 我没有生成的 obj。我项目中的文件夹或头文件。
- 所有项目文件都位于默认工作区中（只有 ndk-build 位于 ndk 文件夹中）
有问题的错误：
C:\Users\adam.kim\workspace\UWBcontroler\jni> C:/android-ndk-r8e/ndk-build
make: *** No rule to make target `C:/Users/adam.kim/workspace/UWBcontroler//jni/
native.c', needed by `C:/Users/adam.kim/workspace/UWBcontroler//obj/local/armeab
i/objs/adamsndk/native.o'. Stop.
安卓.mk
LOCAL_PATH:=$(call my-dir)
include $(CLEAR_VARS)
LOCAL_LDLIBS := -llog
LOCAL_MODULE := adamsndk
LOCAL_SRC_FILES := native.c
include $(BUILD_SHARED_LIBRARY)
add-application.mk （这是在安装期间创建的 ndk 文件夹中）我更改的唯一行是 APP_PIE APP_PLATFORM 从 sdk 14 到 8
APP_DEBUG := $(strip $(NDK_DEBUG))
ifeq ($(APP_DEBUG),0)
APP_DEBUG:= false
endif
ifeq ($(APP_DEBUG),1)
APP_DEBUG := true
endif
ifdef APP_DEBUG
ifneq (,$(filter-out true false,$(APP_DEBUG)))
$(call __ndk_warning,NDK_DEBUG is defined to the unsupported value '$(NDK_DEBUG)', will be ignored!)
endif
endif
include $(_application_mk)
$(call check-required-vars,$(NDK_APP_VARS_REQUIRED),$(_application_mk))
_map := NDK_APP.$(_app)
# strip the 'lib' prefix in front of APP_MODULES modules
APP_MODULES := $(call strip-lib-prefix,$(APP_MODULES))
APP_PROJECT_PATH := $(strip $(APP_PROJECT_PATH))
ifndef APP_PROJECT_PATH
APP_PROJECT_PATH := $(NDK_PROJECT_PATH)
endif
# check whether APP_PLATFORM is defined. If not, look for project.properties in
# the $(APP_PROJECT_PATH) and extract the value with awk's help. If nothing is here,
# revert to the default value (i.e. "android-3").
#
APP_PLATFORM := $(strip $(APP_PLATFORM))
ifndef APP_PLATFORM
_local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/project.properties))
ifndef _local_props
# NOTE: project.properties was called default.properties before
_local_props := $(strip $(wildcard $(APP_PROJECT_PATH)/default.properties))
endif
ifdef _local_props
APP_PLATFORM := $(strip $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-platform.awk $(call host-path,$(_local_props))))
$(call ndk_log, Found APP_PLATFORM=$(APP_PLATFORM) in $(_local_props))
else
APP_PLATFORM := android-3
$(call ndk_log, Defaulted to APP_PLATFORM=$(APP_PLATFORM))
endif
endif
# SPECIAL CASES:
# 1) android-6 and android-7 are the same thing as android-5
# 2) android-10 .. 13 is the same thing as android-9
#
APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
ifneq (,$(filter 6 7,$(APP_PLATFORM_LEVEL)))
APP_PLATFORM := android-5
$(call ndk_log, Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
endif
ifneq (,$(filter 10 11 12 13,$(APP_PLATFORM_LEVEL)))
APP_PLATFORM := android-9
$(call ndk_log, Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM))
endif
# If APP_PIE isn't defined, set it to true for android-16 and above
#
APP_PIE := $(strip $(APP_PIE))
$(call ndk_log, APP_PIE is $(APP_PIE))
ifndef APP_PIE
ifneq (,$(call gte,$(APP_PLATFORM_LEVEL),16))
APP_PLATFORM := android-8
$(call ndk_log, Adjusting APP_PLATFORM android-$(APP_PLATFORM_LEVEL) to $(APP_PLATFORM) and enabling -fPIE)
APP_PIE := true
else
APP_PIE := false
endif
endif
# Check that the value of APP_PLATFORM corresponds to a known platform
# If not, we're going to use the max supported platform value.
#
_bad_platform := $(strip $(filter-out $(NDK_ALL_PLATFORMS),$(APP_PLATFORM)))
ifdef _bad_platform
$(call ndk_log,Application $(_app) targets unknown platform '$(_bad_platform)')
APP_PLATFORM := android-$(NDK_MAX_PLATFORM_LEVEL)
$(call ndk_log,Switching to $(APP_PLATFORM))
endif
# Check platform level (after adjustment) against android:minSdkVersion in AndroidManifest.xml
#
APP_MANIFEST := $(strip $(wildcard $(APP_PROJECT_PATH)/AndroidManifest.xml))
APP_PLATFORM_LEVEL := $(strip $(subst android-,,$(APP_PLATFORM)))
ifdef APP_MANIFEST
APP_MIN_PLATFORM_LEVEL := $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-minsdkversion.awk $(call host-path,$(APP_MANIFEST)))
ifneq (,$(call gt,$(APP_PLATFORM_LEVEL),$(APP_MIN_PLATFORM_LEVEL)))
$(call __ndk_warning,WARNING: APP_PLATFORM $(APP_PLATFORM) is larger than android:minSdkVersion $(APP_MIN_PLATFORM_LEVEL) in $(APP_MANIFEST))
endif
endif
# Check that the value of APP_ABI corresponds to known ABIs
# 'all' is a special case that means 'all supported ABIs'
#
# It will be handled in setup-app.mk. We can't hope to change
# the value of APP_ABI is the user enforces it on the command-line
# with a call like: ndk-build APP_ABI=all
#
# Because GNU Make makes the APP_ABI variable read-only (any assignments
# to it will be ignored)
#
APP_ABI := $(strip $(APP_ABI))
ifndef APP_ABI
# Default ABI is 'armeabi'
APP_ABI := armeabi
endif
ifneq ($(APP_ABI),all)
_bad_abis := $(strip $(filter-out $(NDK_ALL_ABIS),$(APP_ABIS)))
ifdef _bad_abis
$(call __ndk_info,Application $(_app) targets unknown ABI '$(_bad_abis)')
$(call __ndk_info,Please fix the APP_ABI definition in $(_application_mk))
$(call __ndk_info,to use a set of the following values: $(NDK_ALL_ABIS))
$(call __ndk_error,Aborting)
endif
endif
# If APP_BUILD_SCRIPT is defined, check that the file exists.
# If undefined, look in $(APP_PROJECT_PATH)/jni/Android.mk
#
APP_BUILD_SCRIPT := $(strip $(APP_BUILD_SCRIPT))
ifdef APP_BUILD_SCRIPT
_build_script := $(strip $(wildcard $(APP_BUILD_SCRIPT)))
ifndef _build_script
$(call __ndk_info,Your APP_BUILD_SCRIPT points to an unknown file: $(APP_BUILD_SCRIPT))
$(call __ndk_error,Aborting...)
endif
APP_BUILD_SCRIPT := $(_build_script)
$(call ndk_log, Using build script $(APP_BUILD_SCRIPT))
else
_build_script := $(strip $(wildcard $(APP_PROJECT_PATH)/jni/Android.mk))
ifndef _build_script
$(call __ndk_info,There is no Android.mk under $(APP_PROJECT_PATH)/jni)
$(call __ndk_info,If this is intentional, please define APP_BUILD_SCRIPT to point)
$(call __ndk_info,to a valid NDK build script.)
$(call __ndk_error,Aborting...)
endif
APP_BUILD_SCRIPT := $(_build_script)
$(call ndk_log, Defaulted to APP_BUILD_SCRIPT=$(APP_BUILD_SCRIPT))
endif
# Determine whether the application should be debuggable.
# - If APP_DEBUG is set to 'true', then it always should.
# - If APP_DEBUG is set to 'false', then it never should
# - Otherwise, extract the android:debuggable attribute from the manifest.
#
ifdef APP_DEBUG
APP_DEBUGGABLE := $(APP_DEBUG)
ifeq ($(NDK_LOG),1)
ifeq ($(APP_DEBUG),true)
$(call ndk_log,Application '$(_app)' forced debuggable through NDK_DEBUG)
else
$(call ndk_log,Application '$(_app)' forced *not* debuggable through NDK_DEBUG)
endif
endif
else
# NOTE: To make unit-testing simpler, handle the case where there is no manifest.
APP_DEBUGGABLE := false
ifdef APP_MANIFEST
APP_DEBUGGABLE := $(shell $(HOST_AWK) -f $(BUILD_AWK)/extract-debuggable.awk $(call host-path,$(APP_MANIFEST)))
endif
ifeq ($(NDK_LOG),1)
ifeq ($(APP_DEBUGGABLE),true)
$(call ndk_log,Application '$(_app)' *is* debuggable)
else
$(call ndk_log,Application '$(_app)' is not debuggable)
endif
endif
endif
# LOCAL_BUILD_MODE will be either release or debug
#
# If APP_OPTIM is defined in the Application.mk, just use this.
#
# Otherwise, set to 'debug' if android:debuggable is set to TRUE,
# and to 'release' if not.
#
ifneq ($(APP_OPTIM),)
# check that APP_OPTIM, if defined, is either 'release' or 'debug'
$(if $(filter-out release debug,$(APP_OPTIM)),\
$(call __ndk_info, The APP_OPTIM defined in $(_application_mk) must only be 'release' or 'debug')\
$(call __ndk_error,Aborting)\
)
$(call ndk_log,Selecting optimization mode through Application.mk: $(APP_OPTIM))
else
ifeq ($(APP_DEBUGGABLE),true)
$(call ndk_log,Selecting debug optimization mode (app is debuggable))
APP_OPTIM := debug
else
$(call ndk_log,Selecting release optimization mode (app is not debuggable))
APP_OPTIM := release
endif
endif
APP_CFLAGS := $(strip $(APP_CFLAGS))
APP_LDFLAGS := $(strip $(APP_LDFLAGS))
# Check that APP_STL is defined. If not, use the default value (system)
# otherwise, check that the name is correct.
APP_STL := $(strip $(APP_STL))
ifndef APP_STL
APP_STL := system
else
$(call ndk-stl-check,$(APP_STL))
endif
$(if $(call get,$(_map),defined),\
$(call __ndk_info,Weird, the application $(_app) is already defined by $(call get,$(_map),defined))\
$(call __ndk_error,Aborting)\
)
$(call set,$(_map),defined,$(_application_mk))
# Record all app-specific variable definitions
$(foreach __name,$(NDK_APP_VARS),\
$(call set,$(_map),$(__name),$($(__name)))\
)
# Record the Application.mk for debugging
$(call set,$(_map),Application.mk,$(_application_mk))
NDK_ALL_APPS += $(_app)