Building Twice without libbotan errors

@ kousu@comms:/Software/biboumi$ cmake . -- Found Git: /usr/bin/git (found version "2.1.4") -- Looking for ppoll -- Looking for ppoll - found -- Found LITESQL: /usr/local/lib/liblitesql.so
-- Found EXPAT: /usr/lib/x86_64-linux-gnu/libexpat.so (found version "2.1.0") -- Found Iconv: /usr/lib/x86_64-linux-gnu/libc.so
-- Performing Test ICONV_SECOND_ARGUMENT_IS_CONST -- Performing Test ICONV_SECOND_ARGUMENT_IS_CONST - Failed -- Found PkgConfig: /usr/bin/pkg-config (found version "0.28") -- checking for module 'uuid' -- found uuid, version 2.25.0 -- checking for module 'libidn' -- package 'libidn' not found -- Could NOT find LIBIDN (missing: LIBIDN_LIBRARIES LIBIDN_INCLUDE_DIRS) -- checking for module 'libsystemd' -- package 'libsystemd' not found -- Could NOT find SYSTEMD (missing: SYSTEMD_LIBRARIES SYSTEMD_INCLUDE_DIRS) -- Could NOT find BOTAN (missing: BOTAN_LIBRARIES BOTAN_INCLUDE_DIRS) -- Found CARES: /usr/lib/x86_64-linux-gnu/libcares.so
-- Configuring done -- Generating done -- Build files have been written to: /home/kousu/Software/biboumi kousu@comms:/Software/biboumi$ kousu@comms:/Software/biboumi$ kousu@comms:/Software/biboumi$ cmake . -- checking for module 'libidn' -- package 'libidn' not found -- Could NOT find LIBIDN (missing: LIBIDN_LIBRARIES LIBIDN_INCLUDE_DIRS) -- checking for module 'libsystemd' -- package 'libsystemd' not found -- Could NOT find SYSTEMD (missing: SYSTEMD_LIBRARIES SYSTEMD_INCLUDE_DIRS) -- Could NOT find BOTAN (missing: BOTAN_LIBRARIES BOTAN_INCLUDE_DIRS) CMake Error: The following variables are used in this project, but they are set to NOTFOUND. Please set them or make sure they are set and tested correctly in the CMake files: BOTAN_LIBRARIES (ADVANCED) linked by target "database" in directory /home/kousu/Software/biboumi

-- Configuring incomplete, errors occurred! See also "/home/kousu/Software/biboumi/CMakeFiles/CMakeOutput.log". See also "/home/kousu/Software/biboumi/CMakeFiles/CMakeError.log". kousu@comms:~/Software/biboumi$ @

I have to erase CMakeCache.txt before it will build again.

But I can run @cmake . -DWITHOUT_LITESQL=1@ as many times as I want in a row.

(from redmine: created on 2016-01-15, closed on 2016-01-15)