Android.mk to build krr for sample project for Android. All dependencies are pre-built and installed into NDK's sysroot according to selected NDK version.

Android.mk

LOCAL_PATH := $(call my-dir)

# our prebuilt libraries

# - MPG123
include $(CLEAR_VARS)
LOCAL_MODULE := MPG123
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libmpg123.so
include $(PREBUILT_SHARED_LIBRARY)

# - SDL2_mixer
include $(CLEAR_VARS)
LOCAL_MODULE := SDL2_MIXER
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/SDL2
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libSDL2_mixer.so
include $(PREBUILT_SHARED_LIBRARY)

# - SDL2_image
include $(CLEAR_VARS)
LOCAL_MODULE := SDL2_IMAGE
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/SDL2
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libSDL2_image.so
include $(PREBUILT_SHARED_LIBRARY)

# - SDL2
include $(CLEAR_VARS)
LOCAL_MODULE := SDL2
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/SDL2
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libSDL2.so
include $(PREBUILT_SHARED_LIBRARY)

# - texpackr
include $(CLEAR_VARS)
LOCAL_MODULE := TEXPACKR
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/texpackr
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libtexpackr.so
include $(PREBUILT_SHARED_LIBRARY)

# - png
include $(CLEAR_VARS)
LOCAL_MODULE := PNG
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/png
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libpng16.so
include $(PREBUILT_SHARED_LIBRARY)

# - hashmap_c
include $(CLEAR_VARS)
LOCAL_MODULE := HASHMAP_C
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/hashmap_c
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libhashmap_c.so
include $(PREBUILT_SHARED_LIBRARY)

# - vector_c
include $(CLEAR_VARS)
LOCAL_MODULE := VECTOR
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/vector
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libvector.so
include $(PREBUILT_SHARED_LIBRARY)

# - cglm
include $(CLEAR_VARS)
LOCAL_MODULE := CGLM
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/cglm
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libcglm.so
include $(PREBUILT_SHARED_LIBRARY)

# - freetype
include $(CLEAR_VARS)
LOCAL_MODULE := FREETYPE
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/freetype2
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libfreetype.so
include $(PREBUILT_SHARED_LIBRARY)

# - krr
include $(CLEAR_VARS)
LOCAL_MODULE := KRR
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/krr
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libkrr.so
include $(PREBUILT_SHARED_LIBRARY)

# - HIDAPI
include $(CLEAR_VARS)
LOCAL_MODULE := HIDAPI
LOCAL_EXPORT_C_INCLUDES := $(ANDROID_NDK_SYSROOT)/usr/include/SDL2
LOCAL_SRC_FILES := $(ANDROID_NDK_SYSROOT)/usr/lib/$(TARGET_ARCH_ABI)/libhidapi.so
include $(PREBUILT_SHARED_LIBRARY)

include $(CLEAR_VARS)

LOCAL_MODULE := main

LOCAL_C_INCLUDES := $(LOCAL_PATH)

LOCAL_SRC_FILES :=  main.c functs.c terrain.c

LOCAL_SHARED_LIBRARIES := SDL2 \
			  MPG123 \
			  SDL2_MIXER \
			  SDL2_IMAGE \
			  VECTOR \
			  HASHMAP_C \
			  TEXPACKR \
			  PNG \
			  CGLM \
			  FREETYPE \
			  KRR \
			  HIDAPI

LOCAL_LDLIBS := -lGLESv1_CM -lGLESv2 -llog -lz -ldl

include $(BUILD_SHARED_LIBRARY)