WARNING: building into sources dir can be risky, prefer other directory
-- Checking for module 'mraa>=0.8.0'
--   
CMake Error at /build/lede-17.01/slaves/phase2/armeb_xscale/build/sdk/staging_dir/host/share/cmake-3.7/Modules/FindPkgConfig.cmake:415 (message):
  A required package was not found
Call Stack (most recent call first):
  /build/lede-17.01/slaves/phase2/armeb_xscale/build/sdk/staging_dir/host/share/cmake-3.7/Modules/FindPkgConfig.cmake:588 (_pkg_check_modules_internal)
  CMakeLists.txt:18 (pkg_check_modules)


-- Configuring incomplete, errors occurred!
See also "/build/lede-17.01/slaves/phase2/armeb_xscale/build/sdk/build_dir/target-armeb_xscale_musl-1.1.16/libupm-0.4.0/CMakeFiles/CMakeOutput.log".
Makefile:78: recipe for target '/build/lede-17.01/slaves/phase2/armeb_xscale/build/sdk/build_dir/target-armeb_xscale_musl-1.1.16/libupm-0.4.0/.configured_9a76d100fc328ea49af0fd3ab8f05a2f' failed
make[3]: *** [/build/lede-17.01/slaves/phase2/armeb_xscale/build/sdk/build_dir/target-armeb_xscale_musl-1.1.16/libupm-0.4.0/.configured_9a76d100fc328ea49af0fd3ab8f05a2f] Error 1