I wrote recently about `strange' package management in
ghc-6.0.1.
I thank Swenn Pan, who explained the effect to me:
about List from haskell98 package and data depending on
haskell98.
I missed the point because I am a bit stupid and also because the
package treating changes rapidy from version to version.
I presumed that, as the ghci
command loads all usable libraries, then
ghci -package-conf myPackage.conf -package myPackage
will load all that `ghci' loads +
what is specified in myPackage.conf.
But, probably, this is not (should not be?) so: the option
-package-conf myPackage.conf
fully replaces the configuration, and the package search is done
only according to what is specified in
myPackage.conf
, right?
The program needs to link module List.
List is of haskell98 package (right?),
and myPackage does not mention any package dependency which could
lead haskell98.
Therefore the linker does not find in the loaded libraries some
needed item for List.
Then, ghci reports of `panic'.
Maybe, it should report instead
"library item Foo not found, List items are of haskell98 package,
do you have it on package dependecies?
"
, something like this.
Also there remains a question about concrete usage of ghc-pkg -g
. Please, explain this
(to [EMAIL PROTECTED]).
Regards,
-----------------
Serge Mechveliani
[EMAIL PROTECTED]
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