Re: Macro expansion

[MD.Mahbubur Rahman]

Sorry friends:  mistakenly typed wrong in the previous mail. Please ignore
the previous mail.

The following code works if the hi lighted change is made:

# $(call program-variables,variable-prefix,file-list)
define program-variables
$1_sources = $(filter %.c,$2)
$1_headers = $(filter %.h,$2)
$1_objects = $(subst .c,.o,$(filter %.c,$2))
$($1_objects): $($1_headers)
endef
ls: $(ls_objects)
$(eval $(call program-variables,ls,ls.c ls.h glob.c glob.h))
show-variables:
# $(ls_sources)
# $(ls_headers)
# $(ls_objects)

Can some one help me why this is needed to make the code works???
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