add sparc toolchain to linux docker

tools/ci/cibuild.sh

@@ -46,7 +46,7 @@ case ${os} in
     brew update --quiet
     ;;
   Linux)
-    install="python-tools gen-romfs gperf kconfig-frontends arm-gcc-toolchain mips-gcc-toolchain riscv-gcc-toolchain xtensa-esp32-gcc-toolchain rx-gcc-toolchain c-cache"
+    install="python-tools gen-romfs gperf kconfig-frontends arm-gcc-toolchain mips-gcc-toolchain riscv-gcc-toolchain xtensa-esp32-gcc-toolchain rx-gcc-toolchain sparc-gcc-toolchain c-cache"
     ;;
 esac
 
@@ -288,6 +288,24 @@ function rx-gcc-toolchain {
   rx-elf-gcc --version
 }
 
+function sparc-gcc-toolchain {
+  add_path "${prebuilt}"/sparc-gaisler-elf-gcc/bin
+
+  if [ ! -f "${prebuilt}/sparc-gaisler-elf-gcc/bin/sparc-gaisler-elf-gcc" ]; then
+    case ${os} in
+      Linux)
+        cd "${prebuilt}"
+        wget --quiet https://www.gaisler.com/anonftp/bcc2/bin/bcc-2.1.0-gcc-linux64.tar.xz
+        xz -d bcc-2.1.0-gcc-linux64.tar.xz
+        tar xf bcc-2.1.0-gcc-linux64.tar
+        mv bcc-2.1.0-gcc sparc-gaisler-elf-gcc
+        rm bcc-2.1.0-gcc-linux64.tar
+        ;;
+    esac
+  fi
+  sparc-gaisler-elf-gcc --version
+}
+
 function c-cache {
   add_path "${prebuilt}"/ccache/bin
 
@@ -324,6 +342,8 @@ function c-cache {
   ln -sf "$(which ccache)" "${prebuilt}"/ccache/bin/xtensa-esp32-elf-gcc
   ln -sf "$(which ccache)" "${prebuilt}"/ccache/bin/avr-gcc
   ln -sf "$(which ccache)" "${prebuilt}"/ccache/bin/avr-g++
+  ln -sf "$(which ccache)" "${prebuilt}"/ccache/bin/sparc-gaisler-elf-gcc
+  ln -sf "$(which ccache)" "${prebuilt}"/ccache/bin/sparc-gaisler-elf-g++
 }
 
 function binutils {

tools/ci/docker/linux/Dockerfile

@@ -97,6 +97,15 @@ RUN mkdir riscv64-unknown-elf-gcc && \
   curl -s -L "https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz" \
   | tar -C riscv64-unknown-elf-gcc --strip-components 1 -xz
 
+###############################################################################
+# Build image for tool required by SPARC builds
+###############################################################################
+FROM nuttx-toolchain-base AS nuttx-toolchain-sparc
+# Download the SPARC GCC toolchain prebuilt by Gaisler
+RUN mkdir sparc-gaisler-elf-gcc && \
+  curl -s -L "https://www.gaisler.com/anonftp/bcc2/bin/bcc-2.1.0-gcc-linux64.tar.xz" \
+  | tar -C sparc-gaisler-elf-gcc --strip-components 1 -xJ
+
 ###############################################################################
 # Build image for tool required by ESP32 builds
 ###############################################################################
@@ -259,6 +268,10 @@ ENV PATH="/tools/pinguino-compilers/p32/bin:$PATH"
 COPY --from=nuttx-toolchain-riscv /tools/riscv64-unknown-elf-gcc/ riscv64-unknown-elf-gcc/
 ENV PATH="/tools/riscv64-unknown-elf-gcc/bin:$PATH"
 
+# SPARC toolchain
+COPY --from=nuttx-toolchain-sparc /tools/sparc-gaisler-elf-gcc/ sparc-gaisler-elf-gcc/
+ENV PATH="/tools/sparc-gaisler-elf-gcc/bin:$PATH"
+
 # ESP32 toolchain
 COPY --from=nuttx-toolchain-esp32 /tools/xtensa-esp32-elf-gcc/ xtensa-esp32-elf-gcc/
 ENV PATH="/tools/xtensa-esp32-elf-gcc/bin:$PATH"
@@ -295,6 +308,8 @@ RUN mkdir -p /tools/ccache/bin && \
   ln -sf `which ccache` /tools/ccache/bin/p32-gcc && \
   ln -sf `which ccache` /tools/ccache/bin/riscv64-unknown-elf-gcc && \
   ln -sf `which ccache` /tools/ccache/bin/riscv64-unknown-elf-g++ && \
+  ln -sf `which ccache` /tools/ccache/bin/sparc-gaisler-elf-gcc && \
+  ln -sf `which ccache` /tools/ccache/bin/sparc-gaisler-elf-g++ && \
   ln -sf `which ccache` /tools/ccache/bin/xtensa-esp32-elf-gcc && \
   ln -sf `which ccache` /tools/ccache/bin/xtensa-esp32-elf-g++ && \
   ln -sf `which ccache` /tools/ccache/bin/xtensa-esp32s2-elf-gcc && \