GNU Make version 3.77
GNU Make Manual 20 May 1998
Some documentation snags:
(a) Functions ->
Text Functions ->
Functions for String Substitution and Analysis
The documentation on subst does not mention that
$(subst ,TO,TEXT) returns TEXTTO, e.g.:
bash> make -f -
X = $(subst ,B,TEXT)
all: ; @echo $(X)
Ctrl-D
TEXTB
bash>
(b) ./. ->
./. ->
Functions for File Names
The documentation on join claims that "[join] can merge
the results of `dir' and `notdir' functions, to produce
the original list of files...".
This is not true in general, since
$(join $(dir $(LIST)),$(notdir $(LIST)))
will for
(1) LIST = foo bar
return file names prefixed with ./ (which is, of course,
not likely to cause any problems),
(2) LIST = /a/b /foo/ /c/d
definitely *not* return the original list.
(c) I feel that the functions word, wordlist, words, firstword
and (arguably) also join, addsuffix and addprefix should come
under the heading "Text Functions" rather than "Functions for
File Names".
Regards,
-Wolfgang
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