bundle exec ./bin/build_frameworks.rb failed to load command

[GTMYang]

bundle exec ./bin/build_frameworks.rb options: {} Package opencv2 is already installed. Skipping build. Building leptonica for armv7 from /Users/luoyang/openalpr-ios/work/leptonica-1.71 configure: WARNING: if you wanted to set the --build type, don't use --host. If a cross compiler is detected then cross compile mode will be used configure: WARNING: using cross tools not prefixed with host triplet bundler: failed to load command: ./bin/build_frameworks.rb (./bin/build_frameworks.rb) RuntimeError: Child returned: pid 46968 exit 2 /Users/luoyang/openalpr-ios/lib/alpr/utils.rb:44:in execute' /Users/luoyang/openalpr-ios/lib/alpr/utils.rb:74:inlog_execute' /Users/luoyang/openalpr-ios/lib/alpr/package/automake.rb:147:in do_autoconf_build' /Users/luoyang/openalpr-ios/lib/alpr/package/automake.rb:58:inbuild_arch' /Users/luoyang/openalpr-ios/lib/alpr/package/base.rb:53:in block in install' /Users/luoyang/openalpr-ios/lib/alpr/package/base.rb:52:ineach' /Users/luoyang/openalpr-ios/lib/alpr/package/base.rb:52:in install' /Users/luoyang/openalpr-ios/bin/build_frameworks.rb:69:in<top (required)>'