From 841089817d6da5a512bc36bf9b09cae4ff0d0026 Mon Sep 17 00:00:00 2001
From: Christine Dodrill <me@christine.website>
Date: Mon, 13 Apr 2020 18:37:09 -0400
Subject: [PATCH] development/compilers/zig: upgrade to 0.6.0

---
 pkgs/development/compilers/zig/default.nix    | 32 ++++++++++++++++---
 .../compilers/zig/llvm10_polly.patch          | 10 ++++++
 pkgs/top-level/all-packages.nix               |  2 +-
 3 files changed, 38 insertions(+), 6 deletions(-)
 create mode 100644 pkgs/development/compilers/zig/llvm10_polly.patch

diff --git a/pkgs/development/compilers/zig/default.nix b/pkgs/development/compilers/zig/default.nix
index d547535c54bea8..cfcb8be2d1a582 100644
--- a/pkgs/development/compilers/zig/default.nix
+++ b/pkgs/development/compilers/zig/default.nix
@@ -1,25 +1,47 @@
 { stdenv, fetchFromGitHub, cmake, llvmPackages, libxml2, zlib }:
 
-stdenv.mkDerivation rec {
-  version = "0.5.0";
+llvmPackages.stdenv.mkDerivation rec {
+  version = "0.6.0";
   pname = "zig";
 
   src = fetchFromGitHub {
     owner = "ziglang";
     repo = pname;
     rev = version;
-    sha256 = "0xyl0riakh6kwb3yvxihb451kqs4ai4q0aygqygnlb2rlr1dn1zb";
+    sha256 = "13dwm2zpscn4n0p5x8ggs9n7mwmq9cgip383i3qqphg7m3pkls8z";
   };
 
   nativeBuildInputs = [ cmake ];
-  buildInputs = [ llvmPackages.clang-unwrapped llvmPackages.llvm libxml2 zlib ];
+  buildInputs = [
+    llvmPackages.clang-unwrapped
+    llvmPackages.llvm
+    llvmPackages.lld
+    libxml2
+    zlib
+  ];
+
+  patches = [ ./llvm10_polly.patch ];
+
+  postPatch = ''
+    export llvm_extras=-Wl,${llvmPackages.llvm}/lib/LLVMPolly.so
+    substituteAllInPlace CMakeLists.txt
+  '';
 
   preBuild = ''
     export HOME=$TMPDIR;
   '';
 
+  checkPhase = ''
+    runHook preCheck
+    ./zig test $src/test/stage1/behavior.zig
+    runHook postCheck
+  '';
+
+  doCheck = true;
+
   meta = with stdenv.lib; {
-    description = "Programming languaged designed for robustness, optimality, and clarity";
+    description =
+      "Programming languaged designed for robustness, optimality, and clarity";
     homepage = "https://ziglang.org/";
     license = licenses.mit;
     platforms = platforms.unix;
diff --git a/pkgs/development/compilers/zig/llvm10_polly.patch b/pkgs/development/compilers/zig/llvm10_polly.patch
new file mode 100644
index 00000000000000..72449c35d91ff4
--- /dev/null
+++ b/pkgs/development/compilers/zig/llvm10_polly.patch
@@ -0,0 +1,10 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 97608cddf..e451c0711 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -369,4 +369,5 @@ target_link_libraries(zig_cpp LINK_PUBLIC
+     ${CLANG_LIBRARIES}
+     ${LLD_LIBRARIES}
+     ${LLVM_LIBRARIES}
++    @llvm_extras@
+ )
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d7346c8ae1c7a7..e6ff46a2f1c84b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15012,7 +15012,7 @@ in
   zmqpp = callPackage ../development/libraries/zmqpp { };
 
   zig = callPackage ../development/compilers/zig {
-    llvmPackages = llvmPackages_9;
+    llvmPackages = llvmPackages_10;
   };
 
   zimlib = callPackage ../development/libraries/zimlib { };