I am suprised to find out that make is not as
backward compatible as I thought.
Especially since it doesn't support the *only*
method that make under Solaris uses to
incorporate command substitution.
This makefile works under Solaris but not
under any version of GNU make that I have tried...
---- BEGIN simple Makefile
GOOF:sh=/bin/date
test:
@echo GOOF macro is ${GOOF}
---- END simple Makefile
I know that GNUmake supports command substition
using $(shell /bin/date) but why not also
support the :sh syntax?
This seems like a pretty big hole since every
makefile written on a Solaris platform that uses
any shell output will contain :sh. Seems like
a pretty big incompatibility to me. What's the
deal here?
- Jeff Wiegley, Ph.D.
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