[英]android ndk-build error
我正在嘗試為Android構建tesseract。 我已經將tesseract放在示例文件夾中
C:\\Android_NDK\\android-ndk-r8\\samples\\tesseract
與tesseract
文件夾中,我有tesseract-3.00
文件夾, leptonlib-1.66
文件夾和libjpeg
文件夾。 每當我嘗試使用ndk-build構建代碼時。 我得到錯誤
C:/Android_NDK/android-ndk-r8/build/core/build-binary.mk:240: *** target pattern contains no '%'. Stop.
我在命令提示符C:\\Android_NDK\\android-ndk-r8\\samples\\tesseract\\jni>C:\\Android_NDK\\android-ndk-r8/ndk-build
tesseract / jni文件夾中的Application.mk
文件內容
# ARMv7 is significanly faster due to the use of the hardware FPU
APP_STL := gnustl_static
APP_ABI := armeabi armeabi-v7a
APP_OPTIM := release
APP_CPPFLAGS += -fexceptions -frtti
Android.mk file contents in tesseract/jni folder
# NOTE: You must set these variables to their respective source paths before
# compiling. For example, set LEPTONICA_PATH to the directory containing
# the Leptonica configure file and source folders. Directories must be
# root-relative, e.g. TESSERACT_PATH := /home/username/tesseract-3.00
#
# To set the variables, you can run the following shell commands:
# export TESSERACT_PATH=<path-to-tesseract>
# export LEPTONICA_PATH=<path-to-leptonica>
# export LIBJPEG_PATH=<path-to-libjpeg>
#
# Or you can fill out and uncomment the following definitions:
# TESSERACT_PATH := <path-to-tesseract>
# LEPTONICA_PATH := <path-to-leptonica>
# LIBJPEG_PATH := <path-to-libjpeg>
ifeq "$(TESSERACT_PATH)" ""
$(error You must set the TESSERACT_PATH variable to the Tesseract source \
directory. See README and jni/Android.mk for details)
endif
ifeq "$(LEPTONICA_PATH)" ""
$(error You must set the LEPTONICA_PATH variable to the Leptonica source \
directory. See README and jni/Android.mk for details)
endif
ifeq "$(LIBJPEG_PATH)" ""
$(error You must set the LIBJPEG_PATH variable to the Android JPEG \
source directory. See README and jni/Android.mk for details)
endif
# Just build the Android.mk files in the subdirs
include $(call all-subdir-makefiles) $(LIBJPEG_PATH)/Android.mk
與Cygwin嘗試過,但存在相同的問題。
期待你的回復。
謝謝。
我認為您沒有將以下代碼添加到您的buid.gradle文件中。此解決方案適用於android studio
sourceSets.main {
jniLibs.srcDir 'src/main/libs'
jni.srcDirs = [] //disable automatic ndk-build call
}
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