be passed to derivations that need to apply patches.
* GCC 3.4 is now the default compiler (old GCC renamed to `gcc-3.3').
* The temporary GCCs built during the stdenvLinux bootstrap are now
built without C++ support and without profiling.
* Remove fixincl in GCC 3.4 to prevent a retained dependency on the
previous GCC.
* Always set $prefix in setup.sh, even when there is no configure
script.
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Use with a bit of care though, because it will need an extra flag to be able to find the right version of cc1, etc.
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`$NIX_BUILD_TOP/env-vars' at the beginning of each build phase. In
conjunction with the `-K' Nix flag, this is useful for debugging: to
reproduce the build environment, go to the saved build directory and
source in `env-vars' (e.g., `. env-vars').
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substitution feature (which appears to be buggy - there's no way to
wait for an output redirection, and bash sometimes appears to die
due to subtle timing conditions). This also removes the most
egregious dependency on bash.
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even if some build phase failed if the variable `$succeedOnFailure'
is set to 1. If that happens, the file `$out/nix-support/failed' is
created to mark the build result as bad. This is useful for release
management systems that might want to publish failed releases.
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* A new `distPhase' to build source distributions (enabled when
$doDist = 1).
* A new `checkPhase' to perform `make check' (enabled when $doCheck =
1).
* Allow the prefix to be redirected, either by setting $prefix or by
setting $useTempPrefix to 1. Useful when making distributions.
* Allow the build or install phases to be skipped by setting
$dontBuild $dontInstall to 1.
* Allow the order of phases to be changed by setting $phases.
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("/usr/bin/ld: can't use -s with -r (resulting file would not be
relocatable)").
* Since stdenv/generic had to be modified for this, I forked it in
situ. This should be merged later.
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On the downside, the build process of stdenvLinux builds gcc 9 times
(3 x 3 bootstrap stages). That's a bit excessive.
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* Make builders unexecutable by removing the hash-bang line and
execute permission.
* Convert calls to `derivation' to `mkDerivation'.
* Remove `system' and `stdenv' attributes from calls to
`mkDerivation'. These transformations were all done automatically,
so it is quite possible I broke stuff.
* Put the `mkDerivation' function in stdenv/generic.
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store, rather than outside (such as /bin/sh).
For instance, the Nix expression for the ATerm library now looks
like this:
{stdenv, fetchurl}:
stdenv.mkDerivation {
name = "aterm-2.0.5";
builder = ./builder.sh;
...
}
where `mkDerivation' is a helper function in `stdenv' that massages
the given attribute set into using the bash shell that is part of
the standard environment:
mkDerivation = attrs: derivation (att s // {
builder = pkgs.bash ~ /bin/sh;
args = ["-e" attrs.builder];
stdenv = (...);
system = (...).system;
});
Note that this makes it unnecessary to set the `stdenv' and `system'
attributes, since `mkDerivation' already does that.
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builders for typical Autoconf-style to be much shorten, e.g.,
. $stdenv/setup
genericBuild
The generic builder does lots of stuff automatically:
- Unpacks source archives specified by $src or $srcs (it knows about
gzip, bzip2, tar, zip, and unpacked source trees).
- Determines the source tree.
- Applies patches specified by $patches.
- Fixes libtool not to search for libraries in /lib etc.
- Runs `configure'.
- Runs `make'.
- Runs `make install'.
- Strips debug information from static libraries.
- Writes nested log information (in the format accepted by
`log2xml').
There are also lots of hooks and variables to customise the generic
builder. See `stdenv/generic/docs.txt'.
* Adapted the base packages (i.e., the ones used by stdenv) to use the
generic builder.
* We now use `curl' instead of `wget' to download files in `fetchurl'.
* Neither `curl' nor `wget' are part of stdenv. We shouldn't
encourage people to download stuff in builders (impure!).
* Updated some packages.
* `buildinputs' is now `buildInputs' (but the old name also works).
* `findInputs' in the setup script now prevents inputs from being
processed multiple times (which could happen, e.g., if an input was
a propagated input of several other inputs; this caused the size
variables like $PATH to blow up exponentially in the worst case).
* Patched GNU Make to write nested log information in the format
accepted by `log2xml'. Also, prior to writing the build command,
Make now writes a line `building X' to indicate what is being
built. This is unfortunately often obscured by the gigantic tool
invocations in many Makefiles. The actual build commands are marked
`unimportant' so that they don't clutter pages generated by
`log2html'.
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