CODEWITHSUNDEEP
android-ndkvisual-studio-2017clang
Bruno Bieri
Bruno Bieri

Reputation: 10256

Android NDK include of math.h gives "use of undeclared identifier" error

I've a solution containing two project types .androidproj (Android) and .vcxproj (C++) in my Visual Studio 2017 Community Edition. I use android-ndk-r13b for the C++ part.

Since the update from Visual Studio 2017 Community Edition version 15.5.7 to 15.6.1 (release notes) I experience the following blocking error:

error : use of undeclared identifier 'acosl'

See the representing lines in the build output:

In file included from C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\sources\android\support\include\math.h:31:
C:\ProgramData\Microsoft\AndroidNDK64\android-ndk-r13b\sources\cxx-stl\llvm-libc++\include\math.h(661,91): error : use of undeclared identifier 'acosl'
inline _LIBCPP_INLINE_VISIBILITY long double acos(long double __lcpp_x) _NOEXCEPT {return acosl(__lcpp_x);}

Next to the acosl also all other math functions are not found.

Unfortunately those Posts didn't help in my case:

Any hints what I could try?

Update

The minSdkVersion is set to 15. The solution compiled before the Visual Studio update without errors.

Upvotes: 0

Views: 1652

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