#764: DESTDIR Makefile variable
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Reporter: guest | Owner:
Type: feature request | Status: closed
Priority: normal | Milestone:
Component: Build System | Version: 6.4.2
Severity: normal | Resolution: invalid
Keywords: | Os: Unknown
Difficulty: Unknown | Architecture: Unknown
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Comment (by guest):
I wouldn't say that the way the RPM .spec file handles this is entirely
straightforward. There is a large comment about how to selectively remove
the RPM_BUILD_ROOT prefix, which ends with the plea: "isn't there an
easier way to do all this?" The answer is yes, there is. DESTDIR is the
mechanism.
Everywhere the 'make install' target actually copies something to its
final destination, just use the target path $(DESTDIR)$(prefix)/blah
instead of $(prefix)/blah. Most of the time DESTDIR is empty, so this is
equivalent to the ordinary current case. Only when you need to package
everything into a sandbox, the caller sets DESTDIR to the root of the
sandbox. The Makefile for rts/gmp already does the DESTDIR thing right.
It could be done elsewhere too. For instance, all the binary distribution
packaging rules could use DESTDIR rather than all the $(BIN_DIST_TMPDIR)
stuff.
(Oh, and remove the dead but conflicting definition of DESTDIR in
compiler/Makefile)
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/764>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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