message: Limiting the exported envvars
diff: #!/bin/bash
  -vars=$(set -o posix; set)
  -while IFS= read -r var
  -do
  - if test "${var#*=}" == "$var"
  - then
  - continue
  - fi
  - eval $(echo "$var" | awk -F= '{ print "export " $1 }')
  -done <<< "$vars"
  -
  +export AR CCACHE CC CFLAGS CXX CXXFLAGS NM OBJC RANLIB LDFLAGS LIB
  cmake_osflags="-DOPSYS=LINUX -DCMAKE_SYSTEM_NAME=Linux"
  case $host_alias in
  