- statement: "\\$\\((abspath|addprefix|addsuffix|and|basename|call|dir)[[:space:]]"
- statement: "\\$\\((error|eval|filter|filter-out|findstring|firstword)[[:space:]]"
- statement: "\\$\\((flavor|foreach|if|info|join|lastword|notdir|or)[[:space:]]"
- statement: "\\$\\((abspath|addprefix|addsuffix|and|basename|call|dir)[[:space:]]"
- statement: "\\$\\((error|eval|filter|filter-out|findstring|firstword)[[:space:]]"
- statement: "\\$\\((flavor|foreach|if|info|join|lastword|notdir|or)[[:space:]]"