ebclfsa: update Dockerfile to install Clang with libc++ and musl

Modified Dockerfile to perform a clean setup of Clang and required runtimes

Author: Elektrobit

layers/ebclfsa/Dockerfile

@@ -9,12 +9,40 @@ USER root
 COPY conf/apt/ebclfsa.list /etc/apt/sources.list.d/
 # Install ebclfsa tools
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    clang \
     lisa-elf-enabler \
     lld \
-    llvm \
-    musl-dev:arm64
-    
+    patchelf \
+    ninja-build
+
 # add cmake toolchains
 RUN mkdir -p /build/cmake
 COPY conf/cmake/* /build/cmake/
+
+COPY conf/scripts/build_clang_libc++_musl.sh /build/build_clang_libc++_musl.sh
+COPY conf/patches/0001-llvm-enable-by-default-musl-libc.patch /build
+COPY conf/patches/0001-musl-cross-add-linux-5.15.183-hash.patch /build
+
+RUN chmod +x /build/build_clang_libc++_musl.sh
+RUN bash /build/build_clang_libc++_musl.sh --check_tools
+RUN bash /build/build_clang_libc++_musl.sh --clone_musl
+RUN bash /build/build_clang_libc++_musl.sh --clone_llvm
+RUN bash /build/build_clang_libc++_musl.sh --build_musl_x86
+RUN bash /build/build_clang_libc++_musl.sh --install_musl_x86
+RUN bash /build/build_clang_libc++_musl.sh --build_musl_aarch64
+RUN bash /build/build_clang_libc++_musl.sh --install_musl_aarch64
+RUN bash /build/build_clang_libc++_musl.sh --build_clang_x86
+RUN bash /build/build_clang_libc++_musl.sh --install_clang_x86
+RUN bash /build/build_clang_libc++_musl.sh --build_clang_aarch64
+RUN bash /build/build_clang_libc++_musl.sh --install_clang_aarch64
+
+#clean the docker images, from unnecesary binaries, files and projects.
+RUN bash /build/build_clang_libc++_musl.sh --clean
+
+RUN rm /build/build_clang_libc++_musl.sh \
+       /build/0001-llvm-enable-by-default-musl-libc.patch \
+       /build/0001-musl-cross-add-linux-5.15.183-hash.patch
+
+RUN apt remove -y \
+    ninja-build \
+    patchelf
+