diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fddc59bb69..b15b9518b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,9 +10,9 @@ jobs:
     strategy:
       matrix:
         config:
-          - {name: "Linux", os: ubuntu-latest, cmakegen: "", tc: "riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-linux-ubuntu14", tc-ext: ".tar.gz", unpack: "tar xf"}
-          - {name: "Windows", os: windows-latest, cmakegen: "-G \"MinGW Makefiles\"", tc: "riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-w64-mingw32", tc-ext: ".zip", unpack: "unzip"}
-          - {name: "Mac", os: macOS-latest, cmakegen: "", tc: "riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-apple-darwin", tc-ext: ".tar.gz", unpack: "tar xf"}
+          - {name: "Linux", os: ubuntu-latest, cmakegen: "", jit: "clang+llvm-7.0.0-x86_64-linux-gnu-ubuntu-16.04", jit-ext: ".tar.xz", tc: "riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-linux-ubuntu14", tc-ext: ".tar.gz", unpack: "tar xf"}
+          - {name: "Windows", os: windows-latest, cmakegen: "-G \"MinGW Makefiles\"", jit: "LLVM-7.0.0-win64", jit-ext: ".exe", tc: "riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-w64-mingw32", tc-ext: ".zip", unpack: "unzip"}
+          - {name: "Mac", os: macOS-latest, cmakegen: "", jit: "clang+llvm-7.0.0-x86_64-apple-darwin", jit-ext: ".tar.xz", tc: "riscv64-unknown-elf-gcc-8.3.0-2020.04.0-x86_64-apple-darwin", tc-ext: ".tar.gz", unpack: "tar xf"}
 
     runs-on: ${{ matrix.config.os }}
     name: ${{ matrix.config.name }}
@@ -31,12 +31,22 @@ jobs:
       run: |
         choco install boost-msvc-14.1 --version=1.67.0
         choco install wget unzip
+        choco install llvm --version=7.0.0
 
     - name: Requirements (Mac)
       if: matrix.config.name == 'Mac'
       run: |
         brew install boost coreutils
-
+  
+    - name: Requirements (Linux/Mac)
+      if: matrix.config.name == 'Linux' || matrix.config.name == 'Mac'
+      working-directory: ${{runner.workspace}}
+      shell: bash
+      run: | 
+        wget https://releases.llvm.org/7.0.0/${{ matrix.config.jit }}${{ matrix.config.jit-ext }}
+        ${{ matrix.config.unpack }} ${{ matrix.config.jit }}${{ matrix.config.jit-ext }}
+        mv ${{ matrix.config.jit }} llvm-lib
+        
     - name: Requirements
       shell: bash
       working-directory: ${{runner.workspace}}
@@ -51,7 +61,9 @@ jobs:
     - name: Configure CMake
       shell: bash
       working-directory: ${{runner.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_INSTALL_PREFIX=../install
+      run: |
+        export LLVM_DIR=${{runner.workspace}}/llvm-lib
+        cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_INSTALL_PREFIX=../install
 
     - name: Build
       working-directory: ${{runner.workspace}}/build
@@ -89,5 +101,7 @@ jobs:
       run: |
         ./run_helper.sh ../SW/riscv/build/riscv_example
         ./run_helper.sh ../SW/riscv/build/riscv_example gcc
+        ./run_helper.sh ../SW/riscv/build/riscv_example llvm
         ./run_helper.sh ../SW/riscv_cpp/build/riscv_example
         ./run_helper.sh ../SW/riscv_cpp/build/riscv_example gcc
+        ./run_helper.sh ../SW/riscv_cpp/build/riscv_example llvm
diff --git a/JITImpl/LLVM/CMakeLists.txt b/JITImpl/LLVM/CMakeLists.txt
index 20dcbedc9c..4a05a27287 100644
--- a/JITImpl/LLVM/CMakeLists.txt
+++ b/JITImpl/LLVM/CMakeLists.txt
@@ -85,20 +85,18 @@ IF(LLVM_FOUND)
     )
     ETISSPlugin(${PROJECT_NAME})
     TARGET_LINK_LIBRARIES(${PROJECT_NAME} PUBLIC
-        -Wl,--start-group
-        ${LLVM_LIBS}
-        clangFrontend
         clangCodeGen
-        clangLex
+        clangFrontend
         clangSerialization
-        clangAST
-        clangBasic
-        clangSema
-        clangEdit
-        clangAnalysis
         clangDriver
         clangParse
-        -Wl,--end-group
-    )
+        clangSema
+        clangAnalysis
+        clangEdit
+        clangAST
+        clangLex
+        clangBasic
+        ${LLVM_LIBS}
+        )
     TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} PUBLIC include ${LLVM_INCLUDE_DIRS})
 ENDIF()
diff --git a/JITImpl/LLVM/src/LLVMJIT.cpp b/JITImpl/LLVM/src/LLVMJIT.cpp
index 059ad9b61a..f89624566f 100644
--- a/JITImpl/LLVM/src/LLVMJIT.cpp
+++ b/JITImpl/LLVM/src/LLVMJIT.cpp
@@ -163,6 +163,7 @@ void *LLVMJIT::translate(std::string code, std::set<std::string> headerpaths, st
     args.push_back("-std=c99");
     args.push_back("-isystem" + etiss::jitFiles() + "/clang_stdlib");
     args.push_back("-isystem/usr/include");
+    args.push_back("-isystem/usr/include/x86_64-linux-gnu");
     for (const auto &headerPath : headerpaths)
     {
         args.push_back("-I" + headerPath);
diff --git a/README.md b/README.md
index 70cc306963..554de8dc35 100644
--- a/README.md
+++ b/README.md
@@ -36,10 +36,7 @@ ETISS is supported on x86_64 Linux and Windows hosts. Tested compilers include G
   - GCC Compiler >= 5.0
   - Boost >= 1.54
   - Graphviz + Doxygen (For documentation generation)
-  - LLVM + Clang 7
-  (If you want to use LLVM-JIT compiler then you have to setup LLVM and Clang
-   libraries somewhere on the host PC and source it with the environment variable
-   `LLVM_DIR`.)
+  - LLVM + Clang 7 (Please download appropriate pre-built binaries from https://releases.llvm.org/download.html)
 
 Packages for Ubuntu 18:
 
@@ -55,6 +52,10 @@ Change to the created directory, e.g.,
 
 	$ cd build_dir
 
+If LLVM-JIT compiler is used, source it with the environment variable:
+
+	$ export LLVM_DIR=/path/to/llvm
+
 Configure the build system, e.g.,
 Replace `` `pwd`/installed`` with your `<etiss_install_path>` if you do not like to install etiss into `build_dir/installed/`. Set up path to cmake if necessary.