Merge pull request #42452 from dtzWill/feature/llvm-38-39-musl

llvmPackages_{38,39}: musl compat, minor cleanup

pkgs/development/compilers/llvm/3.8/clang/default.nix

@@ -13,7 +13,8 @@ let
       mv clang-tools-extra-* $sourceRoot/tools/extra
     '';
 
-    buildInputs = [ cmake libxml2 llvm python ];
+    nativeBuildInputs = [ cmake ];
+    buildInputs = [ libxml2 llvm python ];
 
     cmakeFlags = [
       "-DCMAKE_CXX_FLAGS=-std=c++11"
@@ -27,6 +28,8 @@ let
     postPatch = ''
       sed -i -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/Tools.cpp
       sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
+    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+      sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/Tools.cpp
     '';
 
     outputs = [ "out" "lib" "python" ];

pkgs/development/compilers/llvm/3.8/libc++/default.nix

@@ -17,15 +17,22 @@ stdenv.mkDerivation rec {
   patches = [
     # glibc 2.26 fix
     ../../3.9/libc++/xlocale-glibc-2.26.patch
-  ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
+  ]
+  ++ lib.optional stdenv.isDarwin ./darwin.patch
+  ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    ../../libcxx-0001-musl-hacks.patch
+    ../../libcxx-max_align_t.patch
+  ];
 
-  buildInputs = [ cmake libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
 
   cmakeFlags = [
     "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
     "-DLIBCXX_LIBCPPABI_VERSION=2"
     "-DLIBCXX_CXX_ABI=libcxxabi"
-  ];
+  ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1";
 
   enableParallelBuilding = true;
 

pkgs/development/compilers/llvm/3.8/libc++abi.nix

@@ -15,6 +15,9 @@ stdenv.mkDerivation {
     export cmakeFlags="-DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_INCLUDES=$PWD/$(ls -d libcxx-*)/include"
   '' + stdenv.lib.optionalString stdenv.isDarwin ''
     export TRIPLE=x86_64-apple-darwin
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-max_align_t.patch}
   '';
 
   installPhase = if stdenv.isDarwin

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
@@ -49,7 +53,7 @@ in stdenv.mkDerivation rec {
       --replace 'set(CMAKE_INSTALL_NAME_DIR "@rpath")' "set(CMAKE_INSTALL_NAME_DIR "$out/lib")" \
       --replace 'set(CMAKE_INSTALL_RPATH "@executable_path/../lib")' ""
   ''
-  + stdenv.lib.optionalString (stdenv ? glibc) ''
+  + ''
     (
       cd projects/compiler-rt
       patch -p1 < ${
@@ -81,6 +85,14 @@ in stdenv.mkDerivation rec {
     ++ stdenv.lib.optionals ( isDarwin) [
     "-DLLVM_ENABLE_LIBCXX=ON"
     "-DCAN_TARGET_i386=false"
+  ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    "-DLLVM_HOST_TRIPLE=${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 = ''

pkgs/development/compilers/llvm/3.9/clang/default.nix

@@ -29,6 +29,8 @@ let
     postPatch = ''
       sed -i -e 's/Args.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/Tools.cpp
       sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
+    '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+      sed -i -e 's/lgcc_s/lgcc_eh/' lib/Driver/Tools.cpp
     '';
 
     outputs = [ "out" "lib" "python" ];

pkgs/development/compilers/llvm/3.9/libc++/default.nix

@@ -17,15 +17,21 @@ stdenv.mkDerivation rec {
   patches = [
     # glibc 2.26 fix
     ./xlocale-glibc-2.26.patch
-  ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
+  ]
+  ++ lib.optional stdenv.isDarwin ./darwin.patch
+  ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+    ../../libcxx-0001-musl-hacks.patch
+    ../../libcxx-max_align_t.patch
+  ];
 
-  buildInputs = [ cmake libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ libcxxabi ] ++ lib.optional stdenv.isDarwin fixDarwinDylibNames;
 
   cmakeFlags = [
     "-DLIBCXX_LIBCXXABI_LIB_PATH=${libcxxabi}/lib"
     "-DLIBCXX_LIBCPPABI_VERSION=2"
     "-DLIBCXX_CXX_ABI=libcxxabi"
-    ];
+  ] ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "-DLIBCXX_HAS_MUSL_LIBC=1";
 
   enableParallelBuilding = true;
 

pkgs/development/compilers/llvm/3.9/libc++abi.nix

@@ -15,6 +15,9 @@ stdenv.mkDerivation {
     export cmakeFlags="-DLLVM_PATH=$PWD/$(ls -d llvm-*) -DLIBCXXABI_LIBCXX_INCLUDES=$PWD/$(ls -d libcxx-*)/include"
   '' + stdenv.lib.optionalString stdenv.isDarwin ''
     export TRIPLE=x86_64-apple-darwin
+  '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-max_align_t.patch}
   '';
 
   installPhase = if stdenv.isDarwin

pkgs/development/compilers/llvm/3.9/llvm.nix

@@ -62,6 +62,9 @@ in stdenv.mkDerivation rec {
       url = https://github.com/llvm-mirror/llvm/commit/5340b5b3d970069aebf3dde49d8964583742e01a.patch;
       sha256 = "095f8knplwqbc2p7rad1kq8633i34qynni9jna93an7kyc80wdxl";
    })
+   ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
+     ../TLI-musl.patch
+     ../dynamiclibrary-musl.patch
    ];
 
   postPatch = ""
@@ -91,7 +94,7 @@ in stdenv.mkDerivation rec {
     substitute '${./llvm-outputs.patch}' ./llvm-outputs.patch --subst-var lib
     patch -p1 < ./llvm-outputs.patch
   ''
-  + stdenv.lib.optionalString (stdenv ? glibc) ''
+  + ''
     (
       cd projects/compiler-rt
       patch -p1 < ${
@@ -129,6 +132,14 @@ in stdenv.mkDerivation rec {
   ] ++ stdenv.lib.optionals (buildPlatform != hostPlatform) [
     "-DCMAKE_CROSSCOMPILING=True"
     "-DLLVM_TABLEGEN=${buildPackages.llvmPackages_39.llvm}/bin/llvm-tblgen"
+  ] ++ 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 = ''

pkgs/development/compilers/llvm/4/libc++/default.nix

@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     ./xlocale-glibc-2.26.patch
   ] ++ stdenv.lib.optionals stdenv.hostPlatform.isMusl [
     ../../libcxx-0001-musl-hacks.patch
-    ./max_align_t.patch
+    ../../libcxx-max_align_t.patch
   ];
 
   prePatch = ''

pkgs/development/compilers/llvm/4/libc++abi.nix

@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     export TRIPLE=x86_64-apple-darwin
   '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
     patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-0001-musl-hacks.patch}
-    patch -p1 -d $(ls -d libcxx-*) -i ${./libc++/max_align_t.patch}
+    patch -p1 -d $(ls -d libcxx-*) -i ${../libcxx-max_align_t.patch}
   '';
 
   installPhase = if stdenv.isDarwin

pkgs/development/compilers/llvm/4/llvm.nix

@@ -83,7 +83,7 @@ in stdenv.mkDerivation (rec {
     patch -p0 < ${../aarch64.patch}
   '' + stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
     patch -p1 -i ${../TLI-musl.patch}
-    patch -p1 -i ${./dynamiclibrary-musl.patch}
+    patch -p1 -i ${../dynamiclibrary-musl.patch}
     patch -p1 -i ${./sanitizers-nongnu.patch} -d projects/compiler-rt
   '';