[CMake] find_library disobeying NO_DEFAULT_PATH?

[Andrew Brownsword]

I solved this problem by discovering that found libraries are one of the things cached between runs of cmake.  Deleting CMakeCache.txt solves the problem.  Hopefully this serves as a warning to people having the same issue.

> On Apr 21, 2018, at 7:53 PM, Andrew Brownsword <andrew.e.brownsword at gmail.com> wrote:
> 
> I’m using this command:
> 
> find_library(LIBPQXX_LIBRARY
>        NAMES libpqxx.a libpqxx
>        PATHS ${LIBPQXX_DEPS_DIR}/src/src
>        PATH_SUFFIXES .libs
>        NO_DEFAULT_PATH)
> message(STATUS "libpqxx @ " ${LIBPQXX_LIBRARY})
> 
> This prints a path to where an older version is installed in /usr/local/lib/.  My understanding is that NO_DEFAULT_PATH should limit the search to the supplied PATHS.  What am I doing wrong?
>