make: warning: Invalid character " " in variable name "shell cd && env pwd" while evaluating variable "HD1" with value "${shell ${HD}}" while evaluating variable "CD" with value "env pwd | sed -e "s,^${HD0}${HD1}/,,"" while evaluating variable "CD0" with value "${CD:sh}" while evaluating variable "CFG" with value "${CD0}${CD1}" in command "@echo "Config directory: ${CFG}"" in target "all" make: warning: Invalid character " " in variable name "shell cd && env pwd" while evaluating variable "HD1" with value "${shell ${HD}}" while evaluating variable "CD" with value "env pwd | sed -e "s,^${HD0}${HD1}/,,"" while evaluating variable "CD1" with value "${shell ${CD}}" while evaluating variable "CFG" with value "${CD0}${CD1}" in command "@echo "Config directory: ${CFG}"" in target "all" make: warning: Invalid character " " in variable name "shell env pwd | sed -e "s,^/home/kim/,,"" while evaluating variable "CD1" with value "${shell ${CD}}" while evaluating variable "CFG" with value "${CD0}${CD1}" in command "@echo "Config directory: ${CFG}"" in target "all"