Configuring for Android not working with Ninja #9512
Description
System information (version)
- OpenCV => 3.3.0
- Operating System / Platform => Windows 10 64 Bit
- Compiler => Ninja 1.7.2
- Cmake 3.9.1
Detailed description
On a Windows 10 machine, using Cmake, Ninja and the android.toolchain.cmake from platforms/android, configuration of OpenCv for Android fails with the following message:
CMake Error at (...)opencv/platforms/android/android.toolchain.cmake:1665 (enable_language):
Language 'C' is currently being enabled. Recursive call not allowed.
A possible solution may be to remove the following lines:
enable_language( C )
enable_language( CXX )Steps to reproduce
Running
cmake -D CMAKE_BUILD_TYPE=Release \
-D CMAKE_BUILD_WITH_INSTALL_RPATH=ON \
-D CMAKE_INSTALL_PREFIX="install/opencv" \
-D CMAKE_TOOLCHAIN_FILE="opencv/platforms/android/cmake/android.toolchain.cmake" \
-D ANDROID_NDK="${ANDROID_NDK_ROOT}" \
-D ANDROID_NATIVE_API_LEVEL="${API_LEVEL}" \
-D ANDROID_ABI="${ANDROID_ABI}" \
-D WITH_CUDA=OFF \
-D WITH_MATLAB=OFF \
-D BUILD_ANDROID_EXAMPLES=OFF \
-D BUILD_DOCS=OFF \
-D BUILD_PERF_TESTS=OFF \
-D BUILD_TESTS=OFF \
-D BUILD_EXAMPLES=OFF \
-D BUILD_SHARED_LIBS=OFF \
-G Ninja \
-D CMAKE_MAKE_PROGRAM=${NINJA_LOCATION}