clang: warning: no such sysroot directory
Created by: EthanZBY
failed to load header files during compiling: sh build.sh ios
in build.sh below, CMAKE_OSX_SYSROOT is still blank and not initiated at the point below: C_FLAGS="-fobjc-abi-version=2 -fobjc-arc -isysroot ${CMAKE_OSX_SYSROOT}" CXX_FLAGS="-fobjc-abi-version=2 -fobjc-arc -std=gnu++14 -stdlib=libc++ -isysroot ${CMAKE_OSX_SYSROOT}"