diff options
Diffstat (limited to 'pkgs/development/compilers/llvm/common/compiler-rt/default.nix')
| -rw-r--r-- | pkgs/development/compilers/llvm/common/compiler-rt/default.nix | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/pkgs/development/compilers/llvm/common/compiler-rt/default.nix b/pkgs/development/compilers/llvm/common/compiler-rt/default.nix index 4f44d6396d301..7d47436b714ff 100644 --- a/pkgs/development/compilers/llvm/common/compiler-rt/default.nix +++ b/pkgs/development/compilers/llvm/common/compiler-rt/default.nix @@ -14,7 +14,18 @@ , libllvm , linuxHeaders , libxcrypt + +# Some platforms have switched to using compiler-rt, but still want a +# libgcc.a for ABI compat purposes. The use case would be old code that +# expects to link `-lgcc` but doesn't care exactly what its contents +# are, so long as it provides some builtins. , doFakeLibgcc ? stdenv.hostPlatform.isFreeBSD + +# In recent releases, the compiler-rt build seems to produce +# many `libclang_rt*` libraries, but not a single unified +# `libcompiler_rt` library, at least under certain configurations. Some +# platforms stil expect this, however, so we symlink one into place. +, forceLinkCompilerRt ? stdenv.hostPlatform.isOpenBSD }: let @@ -149,7 +160,9 @@ stdenv.mkDerivation ({ ln -s $out/lib/*/clang_rt.crtbegin_shared-*.o $out/lib/crtbeginS.o ln -s $out/lib/*/clang_rt.crtend_shared-*.o $out/lib/crtendS.o '' + lib.optionalString doFakeLibgcc '' - ln -s $out/lib/freebsd/libclang_rt.builtins-*.a $out/lib/libgcc.a + ln -s $out/lib/*/libclang_rt.builtins-*.a $out/lib/libgcc.a + '' + lib.optionalString forceLinkCompilerRt '' + ln -s $out/lib/*/libclang_rt.builtins-*.a $out/lib/libcompiler_rt.a ''; meta = llvm_meta // { |