From 68351290ad701dd655311a9fb557266993362d00 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Sat, 23 Jun 2018 11:51:22 -0500
Subject: [PATCH] llvm_38: musl patches + options

Same as those added to llvm_39 a few commits ago.
---
 pkgs/development/compilers/llvm/3.8/llvm.nix | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/llvm/3.8/llvm.nix b/pkgs/development/compilers/llvm/3.8/llvm.nix
index 30d40a84b4e7..b847a67e7e3f 100644
--- a/pkgs/development/compilers/llvm/3.8/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.8/llvm.nix
@@ -36,8 +36,12 @@ in stdenv.mkDerivation rec {
 
   # Fix a segfault in llc
   # See http://lists.llvm.org/pipermail/llvm-dev/2016-October/106500.html
-  patches = [ ./D17533-1.patch ] ++
-    stdenv.lib.optionals (!stdenv.isDarwin) [./fix-llvm-config.patch];
+  patches = [ ./D17533-1.patch ]
+   ++ stdenv.lib.optional (!stdenv.isDarwin) ./fix-llvm-config.patch
+   ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+     ../TLI-musl.patch
+     ../dynamiclibrary-musl.patch
+   ];
 
   # hacky fix: New LLVM releases require a newer macOS SDK than
   # 10.9. This is a temporary measure until nixpkgs darwin support is
@@ -81,6 +85,14 @@ in stdenv.mkDerivation rec {
     ++ stdenv.lib.optionals ( isDarwin) [
     "-DLLVM_ENABLE_LIBCXX=ON"
     "-DCAN_TARGET_i386=false"
+  ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
+    "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.targetPlatform.config}"
+    "-DTARGET_TRIPLE=${stdenv.targetPlatform.config}"
+    # Not yet supported
+    "-DCOMPILER_RT_BUILD_SANITIZERS=OFF"
+    "-DCOMPILER_RT_BUILD_XRAY=OFF"
+
   ];
 
   postBuild = ''