[Marble-devel] Review Request 125880: change QT_IMPORTS_DIR to also cover false and NOTFOUND

[Harald Sitter]

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https://git.reviewboard.kde.org/r/125880/
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Review request for Marble and Bhushan Shah.


Repository: marble


Description
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if(DEFINED var) only checks if the var is defined, but with certain Finders
var can be set but NOTFOUND.

For the purposes of the if at hand we want to make sure that we have a
*valid* QT_IMPORTS_DIR not just a set one. To that end if(var) is the
correct instruction here as var being undefined, 0, OFF, IGNORE or NOTFOUND
will end up as a false condition making sure that we only set
MARBLE_QT_IMPORTS_DIR to the value of QT_IMPORTS_DIR iff it is a truthy
value.


Diffs
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  src/CMakeLists.txt 063d1cae56d315d94d33e7f75089ea9e51ec6cb0 

Diff: https://git.reviewboard.kde.org/r/125880/diff/


Testing
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checked that if(var) in fact evaluates to false on undefined vars. I do not have a test case at hand as this is to get rid of a debian patch that never was forwarded http://anonscm.debian.org/cgit/pkg-kde/applications/marble.git/tree/debian/patches/fix_qmake_fallback.diff?id=74c0c6fb8ac8cdad09c6d7ec86f881af10e029a8


Thanks,

Harald Sitter

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