Undefined reference to function - portaudio

An issue I am having with this cmake list, is that I am getting error message error: undefined reference toPa_GetVersion'` for this piece of code:

record.cpp:

#include "record.h"

record::record()
{
    std::cout << "Record Created!" << std::endl;
}

void record::example()
{
    std::cout << "In example!" << std::endl;
    std::cout << Pa_GetVersion();
}

record.h

#ifndef RECORD_H
#define RECORD_H
#include <iostream>
#include "lportaudio.h"
class record
{
public:
    record();
    void example();
};

#endif // RECORD_H

main.cpp:

#include <iostream>
#include "record.h"

using namespace std;

int main()
{
    record test;
    test.example();

    cout << "Hello World!" << endl;
    return 0;
}

Cmakelist:

project(audio)
cmake_minimum_required(VERSION 3.2.2)
#include externalproject {portaudio} if lib/portaudio don't exist.
INCLUDE(ExternalProject)
ExternalProject_Add(project_portaudio
    GIT_REPOSITORY      https://git.assembla.com/portaudio.git
    PREFIX              lib/portaudio
    UPDATE_COMMAND      ""
    CONFIGURE_COMMAND   <SOURCE_DIR>/configure
    BUILD_IN_SOURCE     1
    BUILD_COMMAND       make
    INSTALL_COMMAND     sudo make install
)
ExternalProject_Get_Property(project_portaudio BINARY_DIR)
ExternalProject_Get_Property(project_portaudio SOURCE_DIR)

SET(portaudio_lib_dir "${BINARY_DIR}/lib/.libs")
SET(portaudio_inc_dir "${SOURCE_DIR}/include")


IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
   SET(EXTRA_LIBS rt m asound  pthread)
ENDIF(CMAKE_SYSTEM_NAME STREQUAL "Linux")

#Add the files in the source list
aux_source_directory(. SRC_LIST)

#Add portaudio library
ADD_LIBRARY(portaudio STATIC IMPORTED)
SET_PROPERTY(TARGET portaudio PROPERTY IMPORTED_LOCATION "${portaudio_lib_dir}/libportaudio.a")
add_executable(${PROJECT_NAME} ${SRC_LIST} ${portaudio_inc_dir})

#What to compile before target!
add_dependencies(${PROJECT_NAME}  project_portaudio)

#What libraries to link to the target!
TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${EXTRA_LIBS} portaudio)

Error: https://pastebin.com/q0a7rKUP

I am not sure i understand the error messages, and why I am gettting these..