set cmake_find_root_path

Author: mpromonet

CMakeLists.txt

@@ -27,6 +27,11 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64")
 endif()
 MESSAGE("CMAKE_SYSROOT = ${CMAKE_SYSROOT} CMAKE_FIND_ROOT_PATH=${CMAKE_FIND_ROOT_PATH}")
 
+# Configure find_package to search in sysroot
+if (DEFINED CMAKE_SYSROOT)
+  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+endif()
+
 # alsa ?
 find_package(ALSA QUIET)
 MESSAGE("ALSA_FOUND = ${ALSA_FOUND}")