#2557: building HEAD fails when editline is installed as a user package
-----------------------+----------------------------------------------------
Reporter: judahj | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.8.3 | Severity: minor
Keywords: | Testcase:
Architecture: x86 | Os: MacOS X
-----------------------+----------------------------------------------------
Building stage1 of HEAD fails when editline is installed as a user-level
package, but not as a global package, in the bootstrapping compiler. I am
using ghc-6.8.3 to build ghc-6.9.20080830.
{{{
/Users/judah/Programming/dontbackup/ghc-unvalidated/libraries/cabal-bin
/usr/local/bin/ghc /Users/judah/Programming/dontbackup/ghc-
unvalidated/libraries/bootstrapping.conf configure --distpref dist-stage1
\
--flags=stage1 --flags=-ghci --flags=ncg
--flags=editline --ghc-options='-#include "cutils.h"' --with-
compiler=/usr/local/bin/ghc --with-hc-pkg=/usr/local/bin/ghc-pkg
--package-db /Users/judah/Programming/dontbackup/ghc-
unvalidated/libraries/bootstrapping.conf \
--prefix=/NONEXISTENT --bindir=/NONEXISTENT
--libdir=/NONEXISTENT --libexecdir=/NONEXISTENT --datadir=/NONEXISTENT
--docdir=/NONEXISTENT --haddockdir=/NONEXISTENT --htmldir=/NONEXISTENT \
--libsubdir='$pkgid' --with-gcc=gcc --with-
ld=/usr/bin/ld --with-hscolour=/Users/judah/.cabal/bin/HsColour --with-
alex=/usr/local/bin/alex --with-happy=/Users/judah/.cabal/bin/happy
--configure-option='--prefix=/Users/judah/tmp/ghc-stage' --configure-
option=--with-cc=gcc --with-hsc2hs=/Users/judah/Programming/dontbackup
/ghc-unvalidated/utils/hsc2hs/install-inplace/bin/hsc2hs \
--ghc-option=-DSTAGE=1
Configuring ghc-6.9...
cabal-bin: At least the following dependencies are missing:
editline -any
make[1]: *** [boot.stage.1] Error 1
make: *** [stage1] Error 1
}}}
Ghc decides whether to use editline in stage1 based on the flag
`GhcHasEditline`, which the configure script sets to True in this case.
Since the above cabal-bin command doesn't look at the user-level package
DB, Cabal doesn't see the editline package and complains.
When the build system changes (post-6.10) to rely less on Cabal, this
issue may go away. But for 6.10, I think that the easiest solution is to
just never build stage1 with editline. Note that we already never build
ghci in stage1 (see `compiler/Makefile`), so this seems reasonable to me.
Patch is attached.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2557>
GHC <http://www.haskell.org/ghc/>
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