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-rw-r--r--nixpkgs/pkgs/development/compilers/llvm/7/default.nix10
1 files changed, 6 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/7/default.nix b/nixpkgs/pkgs/development/compilers/llvm/7/default.nix
index b83c0d2ceed..3dd067ae607 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/7/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/7/default.nix
@@ -1,5 +1,6 @@
-{ lowPrio, newScope, pkgs, stdenv, cmake
+{ lowPrio, newScope, pkgs, stdenv, cmake, gccForLibs
, libxml2, python3, isl, fetchurl, overrideCC, wrapCCWith, wrapBintoolsWith
+, buildPackages
, buildLlvmTools # tools, but from the previous stage, for cross
, targetLlvmLibraries # libraries, but from the next stage, for cross
}:
@@ -24,8 +25,8 @@ let
ln -s "${cc}/lib/clang/${release_version}/include" "$rsrc"
ln -s "${targetLlvmLibraries.compiler-rt.out}/lib" "$rsrc/lib"
echo "-resource-dir=$rsrc" >> $out/nix-support/cc-cflags
- '' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && tools.clang-unwrapped ? gcc && !(stdenv.targetPlatform.useLLVM or false)) ''
- echo "--gcc-toolchain=${tools.clang-unwrapped.gcc}" >> $out/nix-support/cc-cflags
+ '' + stdenv.lib.optionalString (stdenv.targetPlatform.isLinux && !(stdenv.targetPlatform.useLLVM or false)) ''
+ echo "--gcc-toolchain=${gccForLibs}" >> $out/nix-support/cc-cflags
'';
in {
@@ -58,7 +59,8 @@ let
libstdcxxClang = wrapCCWith rec {
cc = tools.clang-unwrapped;
- libcxx = null; # libstdcxx is smuggled in with clang.gcc
+ # libstdcxx is taken from gcc in an ad-hoc way in cc-wrapper.
+ libcxx = null;
extraPackages = [
targetLlvmLibraries.compiler-rt
];