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Home > Archive > Unix Programming > February 2006 > makefile problem should be very simple
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makefile problem should be very simple
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| gmake -v
GNU Make version 3.79.1, by Richard Stallman and Roland McGrath.
Built for hppa2.0n-hp-hpux11.00
Copyright (C) 1988, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
I have:
projects := ldb lde ldg ldm ldf ldw lbf
all : $(projects)
$(projects) :
<commands>
$(substr ldb,,$(projects)) : ldb
I need to set the other 6 to be dependent on ldb finishing. The
example I found shows this to work, but it doesn't
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| Paul D. Smith 2006-02-14, 5:54 pm |
| %% "billy" <bp1497@att.com> writes:
b> projects := ldb lde ldg ldm ldf ldw lbf
b> all : $(projects)
b> $(projects) :
b> <commands>
b> $(substr ldb,,$(projects)) : ldb
You should use filter-out here, not substr:
$(filter-out ldb,$(projects)) : ldb
b> I need to set the other 6 to be dependent on ldb finishing. The
b> example I found shows this to work, but it doesn't
Your makefile is correct as written here and will do what you appear to
expect: none of the other targets will start until "ldb" is finished.
If that's not what's happening then there is something else going on
which you have not described here: maybe the makefile you're actually
running is not the same as the one you list here.
--
-------------------------------------------------------------------------------
Paul D. Smith <psmith@gnu.org> Find some GNU make tips at:
http://www.gnu.org http://make.paulandlesley.org
"Please remain calm...I may be mad, but I am a professional." --Mad Scientist
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| thanks, worked like a charm 
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