cuda: gobject-introspection builds has lots of warnings
[28/47] Generating subprojects/gst-plugins-bad/gst-libs/gst/cuda/GstCuda-1.0.gir with a custom command
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:12: Warning: GstCuda: symbol='CuInit': Unknown namespace for symbol 'CuInit'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:15: Warning: GstCuda: symbol='CuGetErrorName': Unknown namespace for symbol 'CuGetErrorName'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:19: Warning: GstCuda: symbol='CuGetErrorString': Unknown namespace for symbol 'CuGetErrorString'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:23: Warning: GstCuda: symbol='CuCtxCreate': Unknown namespace for symbol 'CuCtxCreate'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:28: Warning: GstCuda: symbol='CuCtxDestroy': Unknown namespace for symbol 'CuCtxDestroy'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:31: Warning: GstCuda: symbol='CuCtxPopCurrent': Unknown namespace for symbol 'CuCtxPopCurrent'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:34: Warning: GstCuda: symbol='CuCtxPushCurrent': Unknown namespace for symbol 'CuCtxPushCurrent'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:37: Warning: GstCuda: symbol='CuCtxEnablePeerAccess': Unknown namespace for symbol 'CuCtxEnablePeerAccess'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:41: Warning: GstCuda: symbol='CuCtxDisablePeerAccess': Unknown namespace for symbol 'CuCtxDisablePeerAccess'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:44: Warning: GstCuda: symbol='CuGraphicsMapResources': Unknown namespace for symbol 'CuGraphicsMapResources'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:49: Warning: GstCuda: symbol='CuGraphicsUnmapResources': Unknown namespace for symbol 'CuGraphicsUnmapResources'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:54: Warning: GstCuda: symbol='CuGraphicsSubResourceGetMappedArray': Unknown namespace for symbol 'CuGraphicsSubResourceGetMappedArray'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:60: Warning: GstCuda: symbol='CuGraphicsResourceGetMappedPointer': Unknown namespace for symbol 'CuGraphicsResourceGetMappedPointer'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:65: Warning: GstCuda: symbol='CuGraphicsUnregisterResource': Unknown namespace for symbol 'CuGraphicsUnregisterResource'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:68: Warning: GstCuda: symbol='CuMemAlloc': Unknown namespace for symbol 'CuMemAlloc'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:72: Warning: GstCuda: symbol='CuMemAllocPitch': Unknown namespace for symbol 'CuMemAllocPitch'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:79: Warning: GstCuda: symbol='CuMemAllocHost': Unknown namespace for symbol 'CuMemAllocHost'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:83: Warning: GstCuda: symbol='CuMemcpy2D': Unknown namespace for symbol 'CuMemcpy2D'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:86: Warning: GstCuda: symbol='CuMemcpy2DAsync': Unknown namespace for symbol 'CuMemcpy2DAsync'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:89: Warning: GstCuda: symbol='CuMemFree': Unknown namespace for symbol 'CuMemFree'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:92: Warning: GstCuda: symbol='CuMemFreeHost': Unknown namespace for symbol 'CuMemFreeHost'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:95: Warning: GstCuda: symbol='CuStreamCreate': Unknown namespace for symbol 'CuStreamCreate'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:99: Warning: GstCuda: symbol='CuStreamDestroy': Unknown namespace for symbol 'CuStreamDestroy'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:102: Warning: GstCuda: symbol='CuStreamSynchronize': Unknown namespace for symbol 'CuStreamSynchronize'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:105: Warning: GstCuda: symbol='CuDeviceGet': Unknown namespace for symbol 'CuDeviceGet'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:109: Warning: GstCuda: symbol='CuDeviceGetCount': Unknown namespace for symbol 'CuDeviceGetCount'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:112: Warning: GstCuda: symbol='CuDeviceGetName': Unknown namespace for symbol 'CuDeviceGetName'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:117: Warning: GstCuda: symbol='CuDeviceGetAttribute': Unknown namespace for symbol 'CuDeviceGetAttribute'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:122: Warning: GstCuda: symbol='CuDeviceCanAccessPeer': Unknown namespace for symbol 'CuDeviceCanAccessPeer'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:127: Warning: GstCuda: symbol='CuDriverGetVersion': Unknown namespace for symbol 'CuDriverGetVersion'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:130: Warning: GstCuda: symbol='CuModuleLoadData': Unknown namespace for symbol 'CuModuleLoadData'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:134: Warning: GstCuda: symbol='CuModuleUnload': Unknown namespace for symbol 'CuModuleUnload'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:137: Warning: GstCuda: symbol='CuModuleGetFunction': Unknown namespace for symbol 'CuModuleGetFunction'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:142: Warning: GstCuda: symbol='CuTexObjectCreate': Unknown namespace for symbol 'CuTexObjectCreate'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:148: Warning: GstCuda: symbol='CuTexObjectDestroy': Unknown namespace for symbol 'CuTexObjectDestroy'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:151: Warning: GstCuda: symbol='CuLaunchKernel': Unknown namespace for symbol 'CuLaunchKernel'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:165: Warning: GstCuda: symbol='CuGraphicsGLRegisterImage': Unknown namespace for symbol 'CuGraphicsGLRegisterImage'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:171: Warning: GstCuda: symbol='CuGraphicsGLRegisterBuffer': Unknown namespace for symbol 'CuGraphicsGLRegisterBuffer'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:176: Warning: GstCuda: symbol='CuGraphicsResourceSetMapFlags': Unknown namespace for symbol 'CuGraphicsResourceSetMapFlags'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:180: Warning: GstCuda: symbol='CuGLGetDevices': Unknown namespace for symbol 'CuGLGetDevices'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:207: Warning: GstCuda: symbol='NvrtcCompileProgram': Unknown namespace for symbol 'NvrtcCompileProgram'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:212: Warning: GstCuda: symbol='NvrtcCreateProgram': Unknown namespace for symbol 'NvrtcCreateProgram'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:220: Warning: GstCuda: symbol='NvrtcDestroyProgram': Unknown namespace for symbol 'NvrtcDestroyProgram'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:223: Warning: GstCuda: symbol='NvrtcGetPTX': Unknown namespace for symbol 'NvrtcGetPTX'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:227: Warning: GstCuda: symbol='NvrtcGetPTXSize': Unknown namespace for symbol 'NvrtcGetPTXSize'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:231: Warning: GstCuda: symbol='NvrtcGetProgramLog': Unknown namespace for symbol 'NvrtcGetProgramLog'
../subprojects/gst-plugins-bad/gst-libs/gst/cuda/cuda-gst.h:235: Warning: GstCuda: symbol='NvrtcGetProgramLogSize': Unknown namespace for symbol 'NvrtcGetProgramLogSize'
Package gstreamer-cuda-1.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gstreamer-cuda-1.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gstreamer-cuda-1.0' found
Especially the last part about pkg-config seems problematic.
CC @thiblahute