Roland Ver. 4.5 Informações Técnicas descarregar pdf (Página 98)

88 GNU make

$(suffix names...)

Extracts the suﬃx of each ﬁle name in names. If the ﬁle name contains a period,

the suﬃx is everything starting with the last period. Otherwise, the suﬃx is

the empty string. This frequently means that the result will be empty when

names is not, and if names contains multiple ﬁle names, the result may contain

fewer ﬁle names.

For example,

$(suffix src/foo.c src-1.0/bar.c hacks)

produces the result ‘.c .c’.

$(basename names...)

Extracts all but the suﬃx of each ﬁle name in names. If the ﬁle name contains

a period, the basename is everything starting up to (and not including) the last

period. Periods in the directory part are ignored. If there is no period, the

basename is the entire ﬁle name. For example,

$(basename src/foo.c src-1.0/bar hacks)

produces the result ‘src/foo src-1.0/bar hacks’.

$(addsuffix suffix,names...)

The argument names is regarded as a series of names, separated by whitespace;

suﬃx is used as a unit. The value of suﬃx is appended to the end of each

individual name and the resulting larger names are concatenated with single

spaces between them. For example,

$(addsuffix .c,foo bar)

produces the result ‘foo.c bar.c’.

$(addprefix prefix,names...)

The argument names is regarded as a series of names, separated by whitespace;

preﬁx is used as a unit. The value of preﬁx is prepended to the front of each

individual name and the resulting larger names are concatenated with single

spaces between them. For example,

$(addprefix src/,foo bar)

produces the result ‘src/foo src/bar’.

$(join list1,list2)

Concatenates the two arguments word by word: the two ﬁrst words (one from

each argument) concatenated form the ﬁrst word of the result, the two second

words form the second word of the result, and so on. So the nth word of the

result comes from the nth word of each argument. If one argument has more

words that the other, the extra words are copied unchanged into the result.

For example, ‘$(join a b,.c .o)’ produces ‘a.c b.o’.

Whitespace between the words in the lists is not preserved; it is replaced with

a single space.

This function can merge the results of the dir and notdir functions, to produce

the original list of ﬁles which was given to those two functions.

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Roland Ver. 4.5 Informações Técnicas Página 98