>>> librtlsdr d794155ba65796a76cd0a436f9709f4601509320 Downloading
--2020-08-09 19:59:31--  https://github.com/steve-m/librtlsdr/archive/d794155ba65796a76cd0a436f9709f4601509320/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320.tar.gz
Resolving github.com (github.com)... 140.82.112.4
Connecting to github.com (github.com)|140.82.112.4|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://codeload.github.com/steve-m/librtlsdr/tar.gz/d794155ba65796a76cd0a436f9709f4601509320 [following]
--2020-08-09 19:59:31--  https://codeload.github.com/steve-m/librtlsdr/tar.gz/d794155ba65796a76cd0a436f9709f4601509320
Resolving codeload.github.com (codeload.github.com)... 140.82.112.10
Connecting to codeload.github.com (codeload.github.com)|140.82.112.10|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-gzip]
Saving to: '/tmp/instance-0/output-1/build/.librtlsdr-d794155ba65796a76cd0a436f9709f4601509320.tar.gz.0kCC9G/output'

     0K .......... .......... .......... .......... ..........  470K
    50K .......... .......... .......... .......... ..........  943K
   100K .......... .......... ..........                        116M=0.2s

2020-08-09 19:59:32 (820 KB/s) - '/tmp/instance-0/output-1/build/.librtlsdr-d794155ba65796a76cd0a436f9709f4601509320.tar.gz.0kCC9G/output' saved [134053]

librtlsdr-d794155ba65796a76cd0a436f9709f4601509320.tar.gz: OK (sha256: 78c20031287017d057941640dcf05cb7666cfedcfad1b4a1186ed00cabfabc2f)
>>> librtlsdr d794155ba65796a76cd0a436f9709f4601509320 Extracting
gzip -d -c /tmp/instance-0/dl/librtlsdr/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320.tar.gz | /tmp/instance-0/output-1/host/bin/tar --strip-components=1 -C /tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320   -xf -
>>> librtlsdr d794155ba65796a76cd0a436f9709f4601509320 Patching

Applying 0001-disable_shared_library_target_in_build.patch using patch: 
patching file src/CMakeLists.txt
>>> librtlsdr d794155ba65796a76cd0a436f9709f4601509320 Configuring
(mkdir -p /tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/ && cd /tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/ && rm -f CMakeCache.txt && PATH="/tmp/instance-0/output-1/host/bin:/tmp/instance-0/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"  /usr/bin/cmake /tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/ -DCMAKE_TOOLCHAIN_FILE="/tmp/instance-0/output-1/host/share/buildroot/toolchainfile.cmake" -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON  -DBUILD_STATIC_LIBS=OFF -DENABLE_ZEROCOPY=OFF -DTHREADS_PTHREAD_ARG=OFF )
-- The C compiler identification is GNU 8.3.0
-- Check for working C compiler: /tmp/instance-0/output-1/host/bin/powerpc64-linux-gcc
-- Check for working C compiler: /tmp/instance-0/output-1/host/bin/powerpc64-linux-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Extracting version information from git describe...
fatal: not a git repository (or any parent up to mount point /)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE  
-- Found PkgConfig: /tmp/instance-0/output-1/host/bin/pkg-config (found version "1.6.1") 
-- Checking for module 'libusb-1.0'
--   Found libusb-1.0, version 1.0.23
-- Udev rules not being installed, install them with -DINSTALL_UDEV_RULES=ON
-- Building with kernel driver detaching disabled, use -DDETACH_KERNEL_DRIVER=ON to enable
-- Building with usbfs zero-copy support disabled, use -DENABLE_ZEROCOPY=ON to enable
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY - Success
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY - Failed
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR - Success
CMake Error at /usr/share/cmake-3.16/Modules/WriteBasicConfigVersionFile.cmake:43 (message):
  No VERSION specified for WRITE_BASIC_CONFIG_VERSION_FILE()
Call Stack (most recent call first):
  /usr/share/cmake-3.16/Modules/CMakePackageConfigHelpers.cmake:225 (write_basic_config_version_file)
  CMakeLists.txt:173 (write_basic_package_version_file)


-- Configuring incomplete, errors occurred!
See also "/tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeOutput.log".
See also "/tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeError.log".
make: *** [package/pkg-generic.mk:240: /tmp/instance-0/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/.stamp_configured] Error 1
make: Leaving directory '/tmp/instance-0/buildroot'