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Author SHA1 Message Date
Peter Simons 01d9831f4b pkgs/misc/misc.nix: removed the warning I added earlier
What I did was to add two versions of the same package into the same
collection, i.e. ghc-7.0.4 and ghc-7.2.1. I was surprised to see the
build succeed, because there are file collisions between these two. So I
(wrongly) assumed that the collection function was to blame, but in fact
this is a "feature" of nix-env. Apparently, file collision detection
doesn't take place when the user installs two versions of the same
package simultaneously. File collisions are detected only between
different packages!

For example, the command

  nix-env -i ghc-7.0.4 ghc-7.2.1-wrapper

is going to fail, but

  nix-env -i ghc-7.0.4-wrapper ghc-7.2.1-wrapper

is going to succeed. Maybe I just didn't read the documentation
thoroughly enough, but this behavior sure is unexpected to me.

svn path=/nixpkgs/trunk/; revision=28638
2011-08-16 23:42:29 +00:00
Peter Simons 1e7f572683 pkgs/misc/misc.nix: document the fact that 'collection' does not detect file collisions
svn path=/nixpkgs/trunk/; revision=28610
2011-08-16 13:03:46 +00:00
Shea Levy 5acb2cbb1e Fix typo in pkgs/misc/misc.nix
svn path=/nixpkgs/trunk/; revision=27152
2011-05-04 18:55:22 +00:00
Marc Weber 32edcce80b Build a package with debugging information so that you can run it within gdb or run valgrind on it.
Example: xmessageDebug = misc.debugVersion xorg.xmessage

svn path=/nixpkgs/trunk/; revision=21945
2010-05-23 15:54:10 +00:00
Marc Weber c3ddc9df62 cdtenv: also store PATH and PKG_CONFIG_PATH
svn path=/nixpkgs/trunk/; revision=16478
2009-07-27 16:05:36 +00:00
Marc Weber 5ef46894e0 adding cdtEnv symlinking deps into one $out/cdt-env/{lib,include} directory
and collection which let's you install and update a set of derivations at once

svn path=/nixpkgs/trunk/; revision=16224
2009-07-07 20:53:16 +00:00