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llvm_12: fix cross-compilation

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Cross-compilation is broken because the method of finding ncurses has
changed, causing the build for the 'build system' to fail with a linking
error due to ncurses being for the 'host system' (where you're compiling
for).

This patch disables ncurses, which is not a very neat solution, but will
do until someone takes this upstream and gets it fixed properly.

Closes https://github.com/NixOS/nixpkgs/issues/127946.

Error that's seen before applying this:

/nix/store/hash-binutils-2.35.1/bin/ld: /nix/store/hash-ncurses-6.2-aarch64-unknown-linux-gnu/lib/libtinfo.so: error adding symbols: file in wrong format
This commit is contained in:
Rick van Schijndel 2021-09-06 21:01:18 +02:00 committed by Alyssa Ross
parent 1587fa1a7c
commit 517d2b963f
1 changed files with 2 additions and 1 deletions
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3
pkgs/development/compilers/llvm/12/llvm/default.nix
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@ -54,7 +54,8 @@ in stdenv.mkDerivation (rec {
buildInputs = [ libxml2 libffi ] buildInputs = [ libxml2 libffi ]
++ optional enablePFM libpfm; # exegesis ++ optional enablePFM libpfm; # exegesis
propagatedBuildInputs = [ ncurses zlib ]; propagatedBuildInputs = optionals (stdenv.buildPlatform == stdenv.hostPlatform) [ ncurses ]
++ [ zlib ];
patches = [ patches = [
./gnu-install-dirs.patch ./gnu-install-dirs.patch