From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anonymous <mcrfan96@cock.li>
Subject: bug#32131: ghc fails to compile packages when installed into profile
Date: Wed, 11 Jul 2018 22:12:54 -0700
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To: 32131@debbugs.gnu.org

This bug can be reproduced by doing

 =C2=A0=C2=A0=C2=A0 guix package -i ghc
 =C2=A0=C2=A0=C2=A0 echo 'main=3Dreturn()' > test.hs
 =C2=A0=C2=A0=C2=A0 ghc test.hs

The expected output is that the program will be compiled, but instead we=20
get the error message

 =C2=A0=C2=A0=C2=A0 gcc: error trying to exec 'as': execvp: No such file =
or directory
 =C2=A0=C2=A0=C2=A0 `gcc' failed in phase `C Compiler'. (Exit code: 1)

The error is caused, of course, by as not being found in the path.=20
Interestingly, though, the error occurs in gcc, which fails to find as.=20
The general path for compiling things with gcc is to use gcc-toolchain,=20
which brings as and others into the profile, but as ghc calls gcc=20
directly (with no gcc-toolchain), ghc fails to actually compile anything.