Re: Quoting special characters (was: Re: Possible solution for special characters in makefile paths)

Quick summary for me:
* $[] has something to be said for it as being short and for having
expected special behaviour.
* $(quote) uses no extra special characters but has to have slightly
odd behaviour to work.
* $(file a file name.txt) appeals only to me.
* $(" a string) might appeal to someone.
'* clever' backslash behaviour descends into nightmarish complexity.


dir1:=$[a dir]
dir2:=$[other dir]

file:=$(dir1)/$(dir2)/$[a file]
# file is $[a dir]/$[other dir]/$[a file]

$(file): # quote expansion done as last step
   gcc -o "$@" fred.c # quote expansion done as last step

# could one do this?  i.e. expansion within quoted stuff?
# personally rather not but perhaps there is a reason?
fulldir:=$[$(dir1)/$(dir2)/yet another dir]
# what about:
fulldir=$[$(dir1)/$(dir2)/yet another dir]

source:=$(wildcard $[a path/*.c]) - the notional $1 of wildcard must
be "a path/*.c"

S:=$(shell md5sum "$[a path/a file]")

So presumably after expansion of variables the step to tokenise the
flat string has to consider $[...] to be one token and then each token
has to be quote-expanded.


Regards,

Tim
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