This function downloads and unpacks a file in one fixed-output
derivation. This is primarily useful for dynamically generated zip
files, such as GitHub's /archive URLs, where the unpacked content of
the zip file doesn't change, but the zip file itself may (e.g. due to
minor changes in the compression algorithm, or changes in timestamps).
Fetchzip is implemented by extending fetchurl with a "postFetch" hook
that is executed after the file has been downloaded. This hook can
thus perform arbitrary checks or transformations on the downloaded
file.
This ensures that the intermediate machine is shut down only after the
migration has finished writing the memory dump to disk, to ensure we
don't end up with empty state files depending on how fast the migration
finished before we actually shut down the VM.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This ensures that the builder isn't waiting forever if the Windows VM
drops dead while we're waiting for the controller VM to signal that a
particular command has been executed on the Windows VM. It won't ever
happen in such cases so it doesn't make sense to wait for the timeout.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
[Note from Austin: I think @edolstra forgot to merge this to master.]
(cherry picked from commit 02b056c5b180b4b8ba22ddc3061d78258e2ef98f on
release-14.04)
These two expressions greatly simplify using the clang-analyzer or
Coverity static analyzer on your C/C++ projects. In fact, they are
identical to nixBuild in every way out of the box, and should 'Just
Work' providing your code can be compiled with Clang already.
The trick is that when running 'make', we actually just alias it to the
appropriate scan build tool, and add a post-build hook that will bundle
up the results appropriately and unalias it.
For Clang, we put the results in $out/analysis and add an 'analysis'
report to $out/nix-support/hydra-build-products pointing to the result
HTML - this means that if the analyzer finds any bugs, the HTML results
will automatically show up Hydra for easy viewing.
For Coverity, it's slightly different. Instead we run the build tool and
after we're done, we tar up the results in a format that Coverity Scan's
service understands. We put the tarball in $out/tarballs under the name
'foo-cov-int.xz' and add an entry for the file to hydra-build-products
as well for easy viewing.
Of course for Coverity you must then upload the build. A Hydra plugin to
do this is on the way, and it will automatically pick up the
cov-int.tar.xz for uploading.
Note that coverityAnalysis requires allowUnfree = true;, as well as the
cov-build tools, which you can download from https://scan.coverity.com -
they're not linked to your account or anything, it's just an annoying
registration wall.
Note this is a first draft. In particular, scan-build fixes the C/C++
compiler to be Clang, and it's perfectly reasonable to want to use Clang
for the analyzer but have scan-build invoke GCC instead.
Signed-off-by: Austin Seipp <aseipp@pobox.com>
This reverts commit a2a398fbda. The
issue *does* still exist in GHC 7.8.2. Compiled binaries have no -rpath
into their own install directory ("$out") and thus cannot find their own
shared libraries. To work around this issue, we pass an explicit -rpath
argument at configure time. We do that only on Linux, though, because
-rpath is known to cause trouble on Darwin, which was the reason I
originally reverted that patch.
This includes a lot of fixes for cross-building to Windows and Mac OS X
and could possibly fix things even for non-cross-builds, like for
example OpenSSL on Windows.
The main reason for merging this in 14.04 already is that we already
have runInWindowsVM in master and it doesn't work until we actually
cross-build Cygwin's setup binary as the upstream version is a fast
moving target which gets _overwritten_ on every new release.
Conflicts:
pkgs/top-level/all-packages.nix
See the comments at f67015cae4
for more information.
Please note: this makes initrd unrepeatable again, but most people will prefer that above an unbootable system.
The gcc-wrapper doesn't wrap 'cpp'. This breaks some software (such as
Buildroot) because the 'cpp' they get come from the non-wrapped gcc
package which doesn't know about any standard include paths.
gcc-cross-wrapper is untested.
Both branches have quite a lot in common, so it's time for a merge and
do the cleanups with respect to both implementations and also generalize
both implementations as much as possible.
This also closes#1876.
Conflicts:
pkgs/development/interpreters/lua-5/5.2.nix
pkgs/development/libraries/SDL/default.nix
pkgs/development/libraries/glew/default.nix
pkgs/top-level/all-packages.nix
This allows to pass a new attribute osxMinVersion to crossSystem, which
specifies the minimum Mac OS X version you want to be compatible to.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
So far, we determined this based on stdenv.is64bit, but there are cases
where you want to run/build a 32bit program on a 64 bit Windows.
This is now possible, by passing windowsImage.arch = "i686" | "x86_64"
to runInWindowsVM. Based an what was passed, the corresponding Cygwin
packages and setup.exe are bootstrapped.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Another very annoying part. Unfortunately, the only option we might have
here is to include it in nixpkgs or maybe make a fixed Hash on the
result of the closure fetcher.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
As the official Cygwin setup binary download doesn't come in snapshots
or even versioned, the fetchurl of setup.exe will frequently fail, which
in turn will annoy us as hell (or at least me).
One warning though: The fetchurl is currently broken and the cross-build
might not work yet for example on mingw32 (mingw-w64 branch on its way),
but the upstream URL has already changed and the new version contains a
bug (not yet tracked down) which breaks our Windows bootstrap process.
So to conclude: If it's already broken, make it at least "less broken".
"Not broken" is coming soon with the merge of the mingw-w64 branch.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Coincidentally, even with this typo, most tests work anyway, so I didn't
notice it in the first place.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This is because autoconf is passing -print-prog-name=ld to the
cross-gcc, which in turn assumes a FHS compliant filesystem hierarchy
and searches ../../../../$crossConfig/bin/ld for the correct ld.
Of course, this won't work on Nix, hence we're explicitly passing the
correct LD program name.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Also update 64bit setup.ini and check whether we have a 64 bit stdenv in
order to choose the proper Cygwin version. Otherwise we now have the
setup.ini for 32bit available as well.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
So far, the VMs have always been using the native architecture, because
it was reimporting <nixpkgs> several times. Now, we propagate a list of
packages down to all sub-imports, which not only makes clearer which
dependencies a part actually has, but also will make it easier in case
we want to refactor those parts to use callPackage.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This now isolates the vmTools integration from the bootstrap process and
thus removes our fixed Windows ISO and product key. The latter can now
be provided by an attribute "windowsImage" to runInWindowsVM.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This is the last item that was missing to get a fully working
runInWindowsVM function. Apart from checking exit codes, we also now
have preVM/postVM hooks which we can use to write arbitrary constructs
around this architecture, without the need to worry about specific
details.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This function is quite similar to runInLinuxVM, but also ensures that
the builder is run decoupled of the Nix store and using the userland
inside the VM.
We're now picking up the environment variables saved in the previous
commit.
The reason we suppress all errors from the source operation is that it
would emit a ton of errors because we're trying to set read-only
variables.
Also, detecting whether the origBuilder is using the default builder
from the stdenv is currently a bit of a workaround until we have a
specialized pseudo-cross-stdenv someday in the future[TM].
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Later, when we start the actual builder, we're going to restore those
environment variables. We're using "(set; declare -p)", here, because
the former is just printing _all_ environment variables, even those not
supported, and the latter only lists specifically declared variables,
which also encludes exports.
The "declare -p" command also emits those variables in a format similar
to the "export" command.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This is mainly to make it easier to quickly change mappings, without
making room for errors such as typos.
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
