dots/nano/colors/makefile.nanorc

syntax "makefile" "([Mm]akefile|\.ma?k)$"
header "^#!.*/(env +)?[bg]?make( |$)"

color cyan  "\<(ifeq|ifdef|ifneq|ifndef|else|endif)\>"
color cyan  "^(export|include|override)\>"
color brightmagenta  "^[^:=	]+:"
color red "[=,%]" "\+=|\?=|:=|&&|\|\|"
color brightblue "\$\((abspath|addprefix|addsuffix|and|basename|call|dir)[[:space:]]"
color brightblue "\$\((error|eval|filter|filter-out|findstring|firstword)[[:space:]]"
color brightblue "\$\((flavor|foreach|if|info|join|lastword|notdir|or)[[:space:]]"
color brightblue "\$\((origin|patsubst|realpath|shell|sort|strip|suffix)[[:space:]]"
color brightblue "\$\((value|warning|wildcard|word|wordlist|words)[[:space:]]"
color black    "[()$]"
color yellow ""(\\.|[^"])*"|'(\\.|[^'])*'"
color brightyellow "\$+(\{[^} ]+\}|\([^) ]+\))"
color brightyellow "\$[@^<*?%|+]|\$\([@^<*?%+-][DF]\)"
color magenta   "\$\$|\\.?"
color brightblack "(^|[[:space:]])#([^{].*)?$"
color brightblack  "^	@#.*"

# Show trailing whitespace
color ,green "[[:space:]]+$"