Roland Ver. 4.5 Technical Information PDF herunterladen (Seite 176)

166 GNU make

export variable

export variable-assignment

unexport variable

Tell make whether or not to export a particular variable to child processes.

See Section 5.7.2 [Communicating Variables to a Sub-make], page 52.

private variable-assignment

Do not allow this variable assignment to be inherited by prerequisites.

See Section 6.13 [Suppressing Inheritance], page 72.

vpath pattern path

Specify a search path for ﬁles matching a ‘%’ pattern.

See Section 4.4.2 [The vpath Directive], page 26.

vpath pattern

Remove all search paths previously speciﬁed for pattern.

vpath Remove all search paths previously speciﬁed in any vpath directive.

Here is a summary of the built-in functions (see Chapter 8 [Functions], page 83):

$(subst from,to,text)

Replace from with to in text.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(patsubst pattern,replacement,text)

Replace words matching pattern with replacement in text.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(strip string)

Remove excess whitespace characters from string.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(findstring find,text)

Locate ﬁnd in text.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(filter pattern...,text)

Select words in text that match one of the pattern words.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(filter-out pattern...,text)

Select words in text that do not match any of the pattern words.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(sort list)

Sort the words in list lexicographically, removing duplicates.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(word n,text)

Extract the nth word (one-origin) of text.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

$(words text)

Count the number of words in text.

See Section 8.2 [Functions for String Substitution and Analysis], page 84.

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