NDK Build giving errors of `undefined references` for __sfp __sflags

[akashdexati]

Below is the content of jni/Application.mk APP_MODULES := liblept APP_ABI := ALL APP_OPTIM := release APP_PLATFORM = android-8 APP_STL := gnustl_static APP_CPPFLAGS += -fexceptions -frtti -ffat-lto-objects NDK_TOOLCHAIN_VERSION := 4.9

Below is the content of jni/Android.mk REAL_LOCAL_PATH := /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android LOCAL_PATH :=

include $(CLEAR_VARS)

LOCAL_MODULE := liblept

BLACKLIST_SRC_FILES := \ %endiantest.c \ %freetype.c \ %xtractprotos.c

LOCAL_SRC_FILES := \ $(filter-out $(BLACKLIST_SRC_FILES),$(wildcard $(LEPTONICA_PATH)/src/*.c))

LOCAL_CFLAGS := \ -DHAVE_CONFIG_H

LOCAL_C_INCLUDES := \ $(LIBJPEG_PATH)

LOCAL_LDLIBS := \ -lz

ifneq ($(TARGET_SIMULATOR),true) LOCAL_SRC_FILES += \ $(REAL_LOCAL_PATH)/stdio/open_memstream.c \ $(REAL_LOCAL_PATH)/stdio/fopencookie.c \ $(REAL_LOCAL_PATH)/stdio/fmemopen.c

LOCAL_C_INCLUDES += \ $(REAL_LOCAL_PATH)/stdio endif

LOCAL_SRC_FILES += \ $(REAL_LOCAL_PATH)/box.cpp \ $(REAL_LOCAL_PATH)/pix.cpp \ $(REAL_LOCAL_PATH)/pixa.cpp \ $(REAL_LOCAL_PATH)/utilities.cpp \ $(REAL_LOCAL_PATH)/readfile.cpp \ $(REAL_LOCAL_PATH)/writefile.cpp \ $(REAL_LOCAL_PATH)/jni.cpp

LOCAL_C_INCLUDES += \ $(REAL_LOCAL_PATH) \ $(LEPTONICA_PATH)/src

LOCAL_LDLIBS += \ -ljnigraphics \ -llog \ -ldl

LOCAL_SHARED_LIBRARIES:= libjpeg LOCAL_PRELINK_MODULE:= false

include $(BUILD_SHARED_LIBRARY)

Build Errors : ./obj/local/arm64-v8a/objs/lept//home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/open_memstream.o: In function open_memstream': /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/**open_memstream.c:188: undefined reference tosfp' ./obj/local/arm64-v8a/objs/lept//home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fopencookie.o: In function `fopencookie': /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fopencookie.c:154: undefined reference to`sflags' /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fopencookie.c:161: undefined reference to __sfp' ./obj/local/arm64-v8a/objs/lept//home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fmemopen.o: In functionfmemopen': /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fmemopen.c:209: undefined reference to __sflags' /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fmemopen.c:215: undefined reference to__sfp' /home/adarsh/Downloads/Leptonica-full-build/app/src/main/jni/com_googlecode_leptonica_android/stdio/fmemopen.c:215: undefined reference to `__sfp' collect2: error: ld returned 1 exit status make: * [obj/local/arm64-v8a/liblept.so] Error 1