[CMake] Linking error while trying to include an external library to a CMAKE project

[maaschn]

I currently try to add an external dynamiced linked library (dll) to my cmake
project. I have got the .dll and the .lib file. I spent a lot of time to
find an answer by myself but I didn't manage to find the solution. The
include works but I always get a linking error when I try to compile a
minimum solution. CMAKE throws no errors while configuring and generating
and finds the library. I hope someone had the problem before and recognizes
my error

I also build my own find module which looks like this

find_path(LLT_INCLUDE_DIR InterfaceLLT_2.h HINTS ${LLT_DIR})

find_library(LLT_LIBRARY NAMES LLT HINTS ${LLT_DIR} )

set(LLT_LIBRARIES ${LLT_LIBRARY} )

set(LLT_INCLUDE_DIRS ${LLT_INCLUDE_DIR} )

include(FindPackageHandleStandardArgs)

# handle the QUIETLY and REQUIRED arguments and set LIBXML2_FOUND to TRUE

# if all listed variables are TRUE

find_package_handle_standard_args(LLT  DEFAULT_MSG LLT_LIBRARY
LLT_INCLUDE_DIR)

mark_as_advanced(LLT_INCLUDE_DIR LLT_LIBRARY )
The corresponding CMakeLists.txt looks like this

PROJECT(TestProg)

cmake_minimum_required(VERSION 2.8)

FIND_PACKAGE(LLT REQUIRED)

INCLUDE_DIRECTORIES(${LLT_INCLUDE_DIR})

SET(TestProg_SOURCES

main.cpp

)

SET(TestProg_HEADERS

)

add_executable(TestProg ${TestProg_SOURCES} ${TestProg_HEADERS})

target_link_libraries(TestProg ${LLT_LIBRARIES} )
Here is the CMAKE output

The C compiler identification is MSVC 16.0.40219.1

The CXX compiler identification is MSVC 16.0.40219.1

Check for working C compiler using: Visual Studio 10

Check for working C compiler using: Visual Studio 10 -- works

Detecting C compiler ABI info

Detecting C compiler ABI info - done

Check for working CXX compiler using: Visual Studio 10

Check for working CXX compiler using: Visual Studio 10 -- works

Detecting CXX compiler ABI info

Detecting CXX compiler ABI info - done

Found LLT: C:/XXX/LLT.lib

Configuring done

Generating done 



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