MantisBT - CMake
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IDProjectCategoryView StatusDate SubmittedLast Update
0015998CMakeCMakepublic2016-03-02 00:262016-06-10 14:21
Reporterhuiyiqun 
Assigned To 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionno change required 
PlatformAndroid OSOSAndroidOS Version6.0
Product VersionCMake 3.4.1 
Target VersionFixed in Version 
Summary0015998: Add variable to cmake in order to decide whether building is for android
DescriptionI'm build a cmake project(YouCompleteMe) under Android. Everything works well except that ld try to link librt wrongly, which has been integrated into Bionic and not available under Android System.

I have googled for a while to look for a solution to detect android system in cmake, but there is none.

If I am building a program for Mac OS X, there is a variable APPLE to tell me that this is a Mac OS X instead of normal BSD. But there is no variable ANDROID to tell me that this is a Android System instead of normal Linux. In my opinion, these two scenes are similar.

Of course, I could define a variable to differ Android from normal Linux. but I guess we need an official way to do this.
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Issue History
Date ModifiedUsernameFieldChange
2016-03-02 00:26huiyiqunNew Issue
2016-03-07 11:25Brad KingNote Added: 0040637
2016-03-07 11:25Brad KingStatusnew => resolved
2016-03-07 11:25Brad KingResolutionopen => no change required
2016-06-10 14:21Kitware RobotNote Added: 0041236
2016-06-10 14:21Kitware RobotStatusresolved => closed

Notes
(0040637)
Brad King   
2016-03-07 11:25   
When cross-compiling to Android one typically uses a toolchain file that sets CMAKE_SYSTEM_NAME to "Android". This value can be tested by project code to check the target system.
(0041236)
Kitware Robot   
2016-06-10 14:21   
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