M300433/cmake improvements and cleanup 2

assigned to @m300433

added 7 commits

5780d2e8...34bec0e7 - 3 commits from branch develop
02ebbcbb - if eccodes option enables: make eccodes required, removed not reachable else statements
be68f6ca - CMake: fixed typo, moved library declaration to main CMake file, added compile commands
1317e4cd - removed usage of lists and replaced it by target specific cmake routines
1f9578eb - moved install logic into main file

added 8 commits

1f9578eb...d3d65ff8 - 4 commits from branch develop
72c71a78 - if eccodes option enables: make eccodes required, removed not reachable else statements
4c2a5cd9 - CMake: fixed typo, moved library declaration to main CMake file, added compile commands
0e8861e0 - removed usage of lists and replaced it by target specific cmake routines
29485a63 - moved install logic into main file

requested review from @m214003

merged

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