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2013-08-26 Fix personality switching from x86_64 to i686Gergely Risko1-1/+6
On Linux, Nix can build i686 packages even on x86_64 systems. It's not enough to recognize this situation by settings.thisSystem, we also have to consult uname(). E.g. we can be running on a i686 Debian with an amd64 kernel. In that situation settings.thisSystem is i686-linux, but we still need to change personality to i686 to make builds consistent.
2013-08-23 Manual: Don't use actual hashes of Nix dependenciesEelco Dolstra1-2/+2
These cause an unnecessary runtime dependency :-)
2013-08-21 Fix corrupt PNGEelco Dolstra1-0/+0
Libpng used to accept this, but no longer does.
2013-08-21 Hack to clean up tests/test-tmpEelco Dolstra1-0/+5
2013-08-19 Store Nix integers as longsEelco Dolstra9-23/+25
So on 64-bit systems, integers are now 64-bit. Fixes #158.
2013-08-19 Turn on -WallEelco Dolstra1-2/+2
2013-08-14 TypoEelco Dolstra1-1/+1
2013-08-14 corepkgs/nar.nix: Prefer local buildsShea Levy1-0/+3
nar.nix's builder depends on coreutils and nix itself being in $PATH. Unfortunately, there's no good way to ensure that these packages exist in the same place on the remote machine: The local machine may have nix installed in /usr, and the remote machine in /usr/local, but the generated nar.sh builder will refer to /usr and thus fail on the remote machine. This ensures that nar.sh is run on the same machine that instantiates it. Signed-off-by: Shea Levy <shea@shealevy.com>
2013-08-07 Respect MINSIGSTKSZ when allocating an alternative stackEelco Dolstra1-1/+1
http://hydra.nixos.org/build/5663577
2013-08-07 Fix build on non-LinuxEelco Dolstra1-0/+2
http://hydra.nixos.org/build/5662914
2013-08-07 Run the daemon worker on the same CPU as the clientEelco Dolstra9-4/+92
On a system with multiple CPUs, running Nix operations through the daemon is significantly slower than "direct" mode: $ NIX_REMOTE= nix-instantiate '<nixos>' -A system real 0m0.974s user 0m0.875s sys 0m0.088s $ NIX_REMOTE=daemon nix-instantiate '<nixos>' -A system real 0m2.118s user 0m1.463s sys 0m0.218s The main reason seems to be that the client and the worker get moved to a different CPU after every call to the worker. This patch adds a hack to lock them to the same CPU. With this, the overhead of going through the daemon is very small: $ NIX_REMOTE=daemon nix-instantiate '<nixos>' -A system real 0m1.074s user 0m0.809s sys 0m0.098s
2013-08-06 Set the default GCC optimisation level to -O3Eelco Dolstra1-0/+2
2013-08-06 Remove obsolete reference to ATermsEelco Dolstra1-3/+3
2013-08-02 In the profiler output, show function names (if available)Eelco Dolstra2-8/+8
2013-08-02 Let the ordering operators also work on stringsEelco Dolstra3-4/+12
E.g. ‘"foo" < "bar"’ now works.
2013-08-02 Add comparison operators ‘<’, ‘<=’, ‘>’ and ‘>=’Eelco Dolstra4-1/+31
2013-08-02 Add integer ‘-’, ‘*’ and ‘/’ operatorsEelco Dolstra4-2/+16
2013-08-02 Add a unary integer negation operatorEelco Dolstra3-4/+11
This allows saying "-1" instead of "builtins.sub 0 1".
2013-08-02 Overload the ‘+’ operator to support integer additionEelco Dolstra3-15/+23
2013-07-31 nix-shell: Don't disable Automake dependency trackingEelco Dolstra1-1/+2
Nixpkgs' stdenv disables dependency tracking by default. That makes sense for one-time builds, but in an interactive environment we expect repeated "make" invocations to do the right thing.
2013-07-31 Test the delayed with a bit moreEelco Dolstra3-5/+8
2013-07-31 Make Env smallerEelco Dolstra2-21/+23
Commit 20866a7031ca823055a221653b77986faa167329 added a ‘withAttrs’ field to Env, which is annoying because it makes every Env structure bigger and we allocate millions of them. E.g. NixOS evaluation took 18 MiB more. So this commit squeezes ‘withAttrs’ into values[0]. Probably should use a union...
2013-07-31 Don't use NULLEelco Dolstra1-4/+2
2013-07-31 Avoid thunks when a fromWith var can be looked up without evaluationShea Levy2-8/+8
Signed-off-by: Shea Levy <shea@shealevy.com>
2013-07-31 Delay evaulation of `with` attrs until a variable lookup needs themShea Levy4-7/+40
Evaluation of attribute sets is strict in the attribute names, which means immediate evaluation of `with` attribute sets rules out some potentially interesting use cases (e.g. where the attribute names of one set depend in some way on another but we want to bring those names into scope for some values in the second set). The major example of this is overridable self-referential package sets (e.g. all-packages.nix). With immediate `with` evaluation, the only options for such sets are to either make them non-recursive and explicitly use the name of the overridden set in non-overridden one every time you want to reference another package, or make the set recursive and use the `__overrides` hack. As shown in the test case that comes with this commit, though, delayed `with` evaluation allows a nicer third alternative. Signed-off-by: Shea Levy <shea@shealevy.com>
2013-07-30 Detect stack overflowsEelco Dolstra3-1/+80
Previously, if the Nix evaluator gets a stack overflow due to a deep or infinite recursion in the Nix expression, the user gets an unhelpful message ("Segmentation fault") that doesn't indicate that the problem is in the user's code rather than Nix itself. Now it prints: error: stack overflow (possible infinite recursion) This only works on x86_64-linux and i686-linux. Fixes #35.
2013-07-30 killUser: Don't let the child kill itself on AppleShea Levy1-0/+13
The kill(2) in Apple's libc follows POSIX semantics, which means that kill(-1, SIGKILL) will kill the calling process too. Since nix has no way to distinguish between the process successfully killing everything and the process being killed by a rogue builder in that case, it can't safely conclude that killUser was successful. Luckily, the actual kill syscall takes a parameter that determines whether POSIX semantics are followed, so we can call that syscall directly and avoid the issue on Apple. Signed-off-by: Shea Levy <shea@shealevy.com>
2013-07-23 buildenv: remove special treatment of python filesFlorian Friesdorf1-3/+0
buildPythonPackage does not leave easy_install.pth and site.py anymore. A python package that leaves these files is broken. An exception to this is setuptoolsSite which packages setuptools' site.py. To include it into a buildenv, this patch is even needed, not just cosmetic.
2013-07-19 Add hacking notes plus a script for running nix-shellEelco Dolstra3-0/+54
2013-07-19 nix-shell: Set $IN_NIX_SHELLEelco Dolstra1-0/+2
This allows scripts to distinguish between a real build and a Nix shell.
2013-07-19 nix-shell: Set some environment variables also set by build.ccEelco Dolstra1-1/+3
Setting $NIX_STORE causes the purity checks in gcc/ld-wrapper to kick in, so that's why we unset $NIX_ENFORCE_PURITY.
2013-07-19 Rename ‘nix-build --run-env’ to ‘nix-shell’Eelco Dolstra7-92/+201
2013-07-19 nix-build --run-env: Add a ‘--pure’ flagEelco Dolstra2-3/+43
This causes the environment to be (almost) cleared, thus giving a shell that more closely resembled the actual Nix derivation.
2013-07-18 Revert "build-remote.pl: Enforce timeouts locally"Eelco Dolstra2-3/+6
This reverts commit 69b8f9980f39c14a59365a188b300a34d625a2cd. The timeout should be enforced remotely. Otherwise, if the garbage collector is running either locally or remotely, if will block the build or closure copying for some time. If the garbage collector takes too long, the build may time out, which is not what we want. Also, on heavily loaded systems, copying large paths to and from the remote machine can take a long time, also potentially resulting in a timeout.
2013-07-15 Allow bind-mounting regular files into the chrootShea Levy1-1/+9
mount(2) with MS_BIND allows mounting a regular file on top of a regular file, so there's no reason to only bind directories. This allows finer control over just which files are and aren't included in the chroot without having to build symlink trees or the like. Signed-off-by: Shea Levy <shea@shealevy.com>
2013-07-12 Fix syntax error in unpack-channelEelco Dolstra1-1/+1
2013-07-12 Garbage collector: Don't follow symlinks arbitrarilyEelco Dolstra5-47/+53
Only indirect roots (symlinks to symlinks to the Nix store) are now supported.
2013-07-12 Add gzip support for channel unpackingGergely Risko4-3/+8
2013-07-12 doc: typoDomen Kožar1-1/+1
2013-07-11 build-remote.pl: Move "building ..." message to a better placeEelco Dolstra1-1/+1
2013-07-11 nix-build --run-env: Always use BashEelco Dolstra1-1/+1
Fixes #113. Fixes #131.
2013-07-11 nix-build --run-env: Source $stdenv/setup in the interactive shellEelco Dolstra2-16/+26
This ensures that not just environment variables are set, but also shell functions such as unpackPhase, configurePhase and so on.
2013-07-07 Leave `HAVE_HUP_NOTIFICATION' undefined on GNU/Hurd.Ludovic Courtès1-2/+7
2013-07-03 Manual: auto-optimise-store is disabled by defaultEelco Dolstra1-5/+6
2013-07-01 Add support for uncompressed NARs in binary cachesEelco Dolstra6-17/+31
Issue NixOS/hydra#102.
2013-07-01 copy-from-other-stores.pl: Respect $NIX_BIN_DIREelco Dolstra1-4/+4
2013-07-01 copy-from-other-stores.pl: Report downloaded size as 0Eelco Dolstra1-1/+1
2013-06-20 Don't set $preferLocalBuild and $requiredSystemFeatures in buildersEelco Dolstra2-8/+15
With C++ std::map, doing a comparison like ‘map["foo"] == ...’ has the side-effect of adding a mapping from "foo" to the empty string if "foo" doesn't exist in the map. So we ended up setting some environment variables by accident.
2013-06-20 Don't substitute derivations that have preferLocalBuild setEelco Dolstra3-7/+15
In particular this means that "trivial" derivations such as writeText are not substituted, reducing the number of GET requests to the binary cache by about 200 on a typical NixOS configuration.
2013-06-20 Increase SQLite's auto-checkpoint intervalEelco Dolstra1-2/+2
Common operations like instantiating a NixOS system config no longer fitted in 8192 pages, leading to more fsyncs. So increase this limit.
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