> On 30 Oct 2016, at 21:42, David Johnson <djohnson.m@gmail.com> wrote:
>
> Zachary,
>
> I highly recommend using the nix package manager for GHCJS projects.
>
> Nix is very easy to install and uninstall (rm -rf /nix).
>
> To install: curl https://nixos.org/nix/install
>  | sh
>
>
> To be put into a shell where ghcjs exists along with a few dependencies, run,
> nix-shell -p "haskell.packages.ghcjs.ghcWithPackages (pkgs: with pkgs; [ghcjs-base ghcjs-dom])”
>

Unfortunately it is failing with:

```
building path(s) ‘/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7’
setupCompilerEnvironmentPhase
Build with /nix/store/nxnnsdk5njk6913z017h0hf6v5f3waah-ghcjs-0.2.0.
unpacking sources
unpacking source archive /nix/store/86ny46814x0qw0srcgywwgzsz1myhpnn-entropy-0.3.7.tar.gz
source root is entropy-0.3.7
setting SOURCE_DATE_EPOCH to timestamp 1434401149 of file entropy-0.3.7/System/EntropyXen.hs
patching sources
compileBuildDriverPhase
setupCompileFlags: -package-db=/tmp/nix-build-entropy-0.3.7.drv-2/package.conf.d -j1
[1 of 1] Compiling Main             ( Setup.hs, /tmp/nix-build-entropy-0.3.7.drv-2/Main.o )
Linking Setup ...
configuring
configureFlags: --verbose --prefix=/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7 --libdir=$prefix/lib/$compiler --libsubdir=$pkgid --with-gcc=gcc --package-db=/tmp/nix-build-entropy-0.3.7.drv-2/package.conf.d --ghc-option=-opt
l=-Wl,-rpath=/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/lib/ghcjs-0.2.0/entropy-0.3.7 --enable-split-objs --disable-library-profiling --disable-executable-profiling --enable-shared --enable-library-vanilla --enable-executab
le-dynamic --disable-tests --with-hsc2hs=/nix/store/mcfx2csfnjsqk83h64jw0w1a4df48rwp-ghc-7.10.3/bin/hsc2hs --ghcjs
Configuring entropy-0.3.7...
Flags chosen: halvm=False
Dependency base >=4.3 && <5: using base-4.8.0.0
Dependency bytestring -any: using bytestring-0.10.6.0
Dependency unix -any: using unix-2.7.1.0
Using Cabal-1.22.5.0 compiled by ghc-7.10
Using compiler: ghcjs-0.2.0
Using install prefix:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7
Binaries installed in:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/bin
Libraries installed in:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/lib/ghcjs-0.2.0/entropy-0.3.7
Private binaries installed in:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/libexec
Data files installed in:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/share/x86_64-linux-ghcjs-0.2.0-ghc7_10_3/entropy-0.3.7
Documentation installed in:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/share/doc/x86_64-linux-ghcjs-0.2.0-ghc7_10_3/entropy-0.3.7
Configuration files installed in:
/nix/store/bcdkyjdrvx1jmqzkh031h1zz0x3sd4q6-entropy-0.3.7/etc
No alex found
Using ar found on system at:
/nix/store/d61gfhj50bfrrlvp4jzdxmsap3izsvyc-binutils-2.27/bin/ar
No c2hs found
No cpphs found
Using gcc version 5.4.0 given by user at:
/nix/store/wckiwf1m333akbm3d7pyrj57g3i39367-gcc-wrapper-5.4.0/bin/gcc
No ghc found
No ghc-pkg found
Using ghcjs version 0.2.0 found on system at:
/nix/store/nxnnsdk5njk6913z017h0hf6v5f3waah-ghcjs-0.2.0/bin/ghcjs
Using ghcjs-pkg version 7.10.3 found on system at:
/nix/store/nxnnsdk5njk6913z017h0hf6v5f3waah-ghcjs-0.2.0/bin/ghcjs-pkg
No greencard found
Using haddock version 2.16.1 found on system at:
/nix/store/nxnnsdk5njk6913z017h0hf6v5f3waah-ghcjs-0.2.0/bin/haddock-ghcjs
No happy found
Using haskell-suite found on system at: haskell-suite-dummy-location
Using haskell-suite-pkg found on system at: haskell-suite-pkg-dummy-location
No hmake found
No hpc found
Using hsc2hs version 0.67 given by user at:
/nix/store/mcfx2csfnjsqk83h64jw0w1a4df48rwp-ghc-7.10.3/bin/hsc2hs
No hscolour found
No jhc found
Using ld found on system at:
/nix/store/wckiwf1m333akbm3d7pyrj57g3i39367-gcc-wrapper-5.4.0/bin/ld
No lhc found
No lhc-pkg found
No pkg-config found
Using strip version 2.27 found on system at:
/nix/store/d61gfhj50bfrrlvp4jzdxmsap3izsvyc-binutils-2.27/bin/strip
Using tar found on system at:
/nix/store/p6jsf52izfpgb758xvdcw19byj644iak-gnutar-1.29/bin/tar
No uhc found
building
Setup: Could not determine C compiler
builder for ‘/nix/store/8ig44jskrggpnsqmiwjr3y7kz8aib9jj-entropy-0.3.7.drv’ failed with exit code 1
cannot build derivation ‘/nix/store/658g4wwinrpiy4qc23r9rzf0abab6q13-ghcjs-0.2.0.drv’: 1 dependencies couldn't be built
error: build of ‘/nix/store/658g4wwinrpiy4qc23r9rzf0abab6q13-ghcjs-0.2.0.drv’ failed
/run/current-system/sw/bin/nix-shell: failed to build all dependencies
```

I also tried it with 16.09 which also failed.

—
aycan