diff --git a/recipe/build.sh b/recipe/build.sh
index 4eb4f329..54ce21c1 100644
--- a/recipe/build.sh
+++ b/recipe/build.sh
@@ -6,91 +6,39 @@ if [[ "$target_platform" == osx-* ]]; then
     export CFLAGS="$CFLAGS -isysroot $CONDA_BUILD_SYSROOT"
     export CXXFLAGS="$CXXFLAGS -isysroot $CONDA_BUILD_SYSROOT"
     export LDFLAGS="$LDFLAGS -isysroot $CONDA_BUILD_SYSROOT"
+
+    export CMAKE_EXTRA_ARGS="-DCMAKE_OSX_SYSROOT=$CONDA_BUILD_SYSROOT -DLIBCXX_ENABLE_NEW_DELETE_DEFINITIONS=ON -DLIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS=ON"
 fi
 
 export CFLAGS="$CFLAGS -I$LLVM_PREFIX/include -I$BUILD_PREFIX/include"
 export LDFLAGS="$LDFLAGS -L$LLVM_PREFIX/lib -Wl,-rpath,$LLVM_PREFIX/lib -L$BUILD_PREFIX/lib -Wl,-rpath,$BUILD_PREFIX/lib"
 export PATH="$LLVM_PREFIX/bin:$PATH"
 
-if [[ "$target_platform" != osx-* ]]; then
-    # build libcxx first
-    mkdir build
-    cd build
-
-    cmake \
-      -DCMAKE_INSTALL_PREFIX=$PREFIX \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DLIBCXX_INCLUDE_BENCHMARKS=OFF \
-      -DLIBCXX_INCLUDE_DOCS=OFF \
-      -DLIBCXX_INCLUDE_TESTS=OFF \
-      -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
-      ../libcxx
-
-    make -j${CPU_COUNT} VERBOSE=1
-    make install
-    cd ..
-
-    # now build libcxxabi
-    cd libcxxabi
-    mkdir build && cd build
-
-    cmake \
-      -DCMAKE_INSTALL_PREFIX=$PREFIX \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DLIBCXXABI_LIBCXX_PATH=$SRC_DIR/libcxx \
-      -DLIBCXXABI_LIBCXX_INCLUDES=$PREFIX/include/c++/v1 \
-      -DLLVM_INCLUDE_TESTS=OFF \
-      ..
-
-    make -j${CPU_COUNT} VERBOSE=1
-    make install
-    cd ../..
+mkdir build
+cd build
 
-    # now rebuild libcxx with libcxxabi
-    mkdir build2
-    cd build2
+cmake -G Ninja \
+    -S runtimes \
+    -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
+    -DCMAKE_INSTALL_PREFIX=$PREFIX \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DLIBCXX_INCLUDE_BENCHMARKS=OFF \
+    -DLIBCXX_INCLUDE_DOCS=OFF \
+    -DLIBCXX_INCLUDE_TESTS=OFF \
+    -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
+    $CMAKE_EXTRA_ARGS \
+    ../libcxx
 
-    cmake \
-      -DCMAKE_INSTALL_PREFIX=$PREFIX \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DLIBCXX_INSTALL_HEADERS=ON \
-      -DLIBCXX_CXX_ABI=libcxxabi \
-      -DLIBCXX_CXX_ABI_INCLUDE_PATHS=$SRC_DIR/libcxxabi/include \
-      -DLIBCXX_CXX_ABI_LIBRARY_PATH=$PREFIX/lib \
-      -DLIBCXX_INCLUDE_BENCHMARKS=OFF \
-      -DLIBCXX_INCLUDE_DOCS=OFF \
-      -DLIBCXX_INCLUDE_TESTS=OFF \
-      -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF \
-      ../libcxx
+# Build
+ninja -C build cxx cxxabi unwind
 
-    make -j${CPU_COUNT} VERBOSE=1
-    make install
+# Test
+ninja -C build check-cxx check-cxxabi check-unwind
 
-    cd ..
-else
-    mkdir build
-    cd build
-
-    # on osx we point libc++ to the system libc++abi
-    cmake \
-      -DCMAKE_INSTALL_PREFIX=$PREFIX \
-      -DCMAKE_BUILD_TYPE=Release \
-      -DCMAKE_OSX_SYSROOT=$CONDA_BUILD_SYSROOT \
-      -DLIBCXX_CXX_ABI=libcxxabi \
-      -DLIBCXX_CXX_ABI_INCLUDE_PATHS=${CONDA_BUILD_SYSROOT}/usr/include \
-      -DLIBCXX_CXX_ABI_LIBRARY_PATH=${CONDA_BUILD_SYSROOT}/usr/lib \
-      -DLIBCXX_ENABLE_NEW_DELETE_DEFINITIONS=ON \
-      -DLIBCXX_ENABLE_VENDOR_AVAILABILITY_ANNOTATIONS=ON \
-      -DLIBCXX_INCLUDE_BENCHMARKS=OFF \
-      -DLIBCXX_INCLUDE_DOCS=OFF \
-      -DLIBCXX_INCLUDE_TESTS=OFF \
-      ../libcxx
-
-    make -j${CPU_COUNT} VERBOSE=1
-    make install
+# Install
+ninja -C build install-cxx install-cxxabi install-unwind
 
+if [[ "$target_platform" == osx-* ]]; then
     # on osx we point libc++ to the system libc++abi
     $INSTALL_NAME_TOOL -change "@rpath/libc++abi.1.dylib" "/usr/lib/libc++abi.dylib" $PREFIX/lib/libc++.1.0.dylib
-
-    cd ..
 fi
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 617587e4..466a36d0 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -27,7 +27,7 @@ build:
 requirements:
   build:
     - cmake
-    - make                    # [unix]
+    - ninja
     - {{ compiler('cxx') }}
     - python >3               # [not osx]
   host: