[CMake] How can I write CMakeLists.txt to link a special library?

[Werner Smekal]

Hi,

Kermit Mei wrote:
> Hello, all.
> I used sigc++ library in my program, so I must compile my main.cc like 
> this:
> 
> c++ -Wall main.cc -o main -I/usr/include/sigc++-2.0 
> -I/usr/lib/sigc++-2.0/include  -lsigc-2.0
> 
> Then, how can I write the CMakeLists.txt? I worte it like this:
> 
> cmake_minimum_required(VERSION 2.6)
> 
> PROJECT(MEM_BER)
> SET(SRC_LIST main.cc)
> 
> MESSAGE(STATUS "This is BINARY dir " ${HELLO_BINARY_DIR})
> MESSAGE(STATUS "This is SOURCE dir " ${HELLO_SOURCE_DIR})
> 
> INCLUDE_DIRECTORIES(/usr/include/sigc++-2.0)
> INCLUDE_DIRECTORIES(/usr/lib/sigc++-2.0/include)
> 
> LINK_DIRECTORIES(/usr/lib/)
> 
> ADD_EXECUTABLE(main ${SRC_LIST})
> 
> #################################
> 
> But I can't link the libsigc.

http://www.cmake.org/cmake/help/cmake2.6docs.html#command:target_link_libraries

target_link_libraries(main /usr/lib/libsigc-2.0.so)
(whatever sigc library is called and where it is, don't know)

HTH,
Werner