[CMake] find_library finds same library over and again

[Hendrik Sattler]

Am 03.11.2011 12:26, schrieb John R. Cary:
> Feels like I am doing something wrong.
>
> Looking for multiple libraries:
>
> $ cat CMakeLists.txt
> set(mylibdir /contrib/netcdf-4.1.2-ser/lib)
> foreach (name netcdf_c++ netcdff netcdf)
>   message("Looking for ${name} in ${mylibdir}.")
>   find_library(mylib NAMES ${name} PATHS ${mylibdir} NO_DEFAULT_PATH)
>   if (mylib)
>     message("Found: ${mylib}.")
>     list(APPEND mylibs ${mylib})
>   else ()
>     message("Not found.")
>   endif ()
> endforeach ()
>
> But continues to find the first each time:

 From the documentation:
"A cache entry named by <VAR> is created to store the result of this 
command. If the library is found the result is stored in the variable 
and the search will not be repeated unless the variable is cleared."

HS