Since GHC is a cross compiler, it's perfectly possible to make haskell
binaries on platforms without GHCs. `windows ++ unix` seems good enough
for now.
Also don't default `hydraPlatforms` to `platforms`. The former must be a
list of systems (strings), but the latter is a list of systems or
patterns.
This change raises the question of whether we should disable building of shared
libraries altogether (since we don't link them). Unfortunately, we can't,
because GHC expects shared libraries to be around when building and running
test suites, and no amount of passing --disable-shared flags at configure time
changes the fact. I *guess* that's related to the DYNAMIC_GHC_PROGRAMS = YES
flag we set when building GHC itself, but I haven't investigated it further
yet.
Closes https://github.com/NixOS/nixpkgs/issues/29011.
Unless specified otherwise, the default package set compiles library variants
for profiling with profiling-detail "all-functions". Executables, however, are
not built with profiling enabled.
This change increases the closure size for many Haskell programs, but the
practical advantage of having stack traces and performance measurements easily
available during development seems to outweigh that cost.
Closes https://github.com/NixOS/nixpkgs/issues/22340.
This reverts commit e73e5c884f. Please don't
set $LD_LIBRARY_PATH! Instead, pass appropriate --extra-include-dir and
--extra-lib-dir arguments to "cabal configure" to ensure that Cabal knows
about system dependencies.
For a Haskell package "foo" the environment foo.env now contains the build tool
dependencies required for compiling the package in $PATH.
Fixes https://github.com/NixOS/cabal2nix/issues/331.
Cabal 1.x says:
| Warning: This package indirectly depends on multiple versions of the same
| package. This is highly likely to cause a compile failure.
But in version 2.x, that warning is split into two lines differently:
| Warning:
| This package indirectly depends on multiple versions of the same package. This is very likely to cause a compile failure.
This commit modifies the call to "egrep" to recognize both versions by virtue
of the "-z" flag, which essentially interprets the whole configure-time output
as one long line.
This works by extracting out some logic from generic-builder.nix to
make it possible to get at the relevant information by overriding
mkDerivation for the haskell package.
This partially undoes the change from 8788bfe762.
The 'doBenchmark' name is more consistent with the naming scheme used for
other phases, like 'doCheck', 'doHaddock', etc.
This reverts commit dfb0f25484, reversing
changes made to 7f8ff02437. These changes broke
the ghcWithPackages wrapper:
nix-shell -p "haskellPackages.ghcWithPackages (ps: [ps.mtl])" --run "ghc-pkg list mtl"
/nix/store/szz84j5k1dy3jdashis6ws28d8l8zxxb-ghc-8.0.2-with-packages/lib/ghc-8.0.2/package.conf.d
(no packages)
WIP
If the `hoogle.nix` file wants to have any sane chance of finding haddock
outputs, the packages need to export the haddock folders as an identifier.
A few TODOs still stand, like passing self to the package instead of needing to
pass it to `haddockDir`. Maybe the exported identifier should be integrated into
the fixpoint somehow instead of using `passthru`?
