GCC：链接器错误消息不包含任何实际错误

Question

我正在尝试从RED SDK获取一个示例程序，但是它不会链接； g ++返回以下无用的输出：

g++-4.9     -o dist/Debug/GNU_GCC4.9-Linux/red_sdk_poc build/Debug/GNU_GCC4.9-Linux/main.o -L../../libraries/R3DSDKv7_0_8/Lib/linux64 -L../../libraries/R3DSDKv7_0_8/Redistributable/linux -lR3DSDK -l:REDR3D-x64.so
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::getSymbols(bool, ...) const':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::getSymbol(bool, void**, char const*) const':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::unload(std::string&)':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::unload(std::string&)':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::~DynamicLibrary()':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::~DynamicLibrary()':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::~DynamicLibrary()':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::~DynamicLibrary()':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::load(std::string const&, std::string&)':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::load(std::string const&, std::string&)':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::load(std::string const&, std::string&)':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::load(std::string const&, std::string&)':
../../libraries/R3DSDKv7_0_8/Lib/linux64/libR3DSDK.a(libR3DSDK.a-master.o): In function `R3DSDK::DynamicLibrary::getSymbol(std::string const&) const':
collect2: error: ld returned 1 exit status

如您所见，它仅在库中指定了一堆函数，而没有任何指示可能是问题所在。不幸的是，SDK几乎具有可想象的大多数通用名称和不可搜索的名称，而我试图从字面上查找任何其他内容的尝试都是徒劳的，我也找不到关于ld这种失败模式的任何信息。

有人知道我可以如何处理这些链接器错误吗？如果有帮助，则SDK包含两套库，一套在“ Lib”下包含.a文件，另一套在“可再发行”下包含.so文件。我已经尝试链接两者，但是没有任何改变。