cmake,无法将静态库链接到共享库

我正在为一些fpga API编写适配器(共享库)。我有 libsomelib.a 及其API- somelibAPI.h . 下面是我的适配器的一个简单示例:

somelib_adapter.h :

#include <string>

namespace details {
#include "somelibAPI.h"
}

class somelib_adapter {
public:
  std::string foo();
};

somelib_adapter.cpp :

#include "somelib_adapter.h"
using namespace details;

std::string somelib_adapter::foo() {
  char result[64];
  somelibAPI_call(result);
  return std::string(result);
}

CMakeLists.txt :

cmake_minimum_required(VERSION 3.8)
project(untitled1)
set(CMAKE_CXX_STANDARD 11)
set(SOURCE_FILES somelib_adapter.cpp somelib_adapter.h)
FIND_LIBRARY(SOMELIB_LIBRARIES
        NAMES libsomelib.a
        PATHS "${SRC_CPP_DIRECTORY}")

add_library(untitled1 SHARED ${SOURCE_FILES})

set(untitled1 -Wl,--whole-archive ${SOMELIB_LIBRARIES} -Wl,--no-whole-archive)
target_link_libraries(untitled1 some_other_shared_lib_used_by_somelib)

cmake查找 libsomelib。一 但是当我试图 nm libuntitled1.so | c++filt 它不包含位置符号 somelibAPI_call . 此外,还有一个 undefined reference 我测试它的可执行文件出错。可能出了什么问题?

编辑: libsomelib。一 编译时使用 -fPIC

EDIT2:我看我误解了一些例子。现在我得到了 target_link_libraries(untitled1 -Wl,--whole-archive ${SOMELIB_LIBRARIES} -Wl,--no-whole-archive some_other_shared_lib_used_by_somelib) 但还有一个问题: /usr/bin/ld: ../libsomelib.a(somelibAPI.o): relocation R_X86_64_32 against .rodata.str1.1 can not be used when making a shared object; recompile with -fPIC