Move Ubuntu to gcc 9.2.1

Author: TokisanGames

Dockerfile.ubuntu-32

@@ -14,12 +14,12 @@ RUN if [ -z "${mono_version}" ]; then echo -e "\n\nargument mono-version is mand
     apt-get -y update && \
     apt-get -y install --no-install-recommends \
       autoconf automake bzip2 cmake curl gettext git libtool make perl scons xz-utils \
-      gcc-8 g++-8 libudev-dev libx11-dev libxcursor-dev libxrandr-dev libasound2-dev libpulse-dev \
+      gcc-9 g++-9 libudev-dev libx11-dev libxcursor-dev libxrandr-dev libasound2-dev libpulse-dev \
       libgl1-mesa-dev libglu1-mesa-dev libxi-dev libxinerama-dev yasm && \
-    ln -sf /usr/bin/gcc-ranlib-8 /usr/bin/gcc-ranlib && \
-    ln -sf /usr/bin/gcc-ar-8 /usr/bin/gcc-ar && \
-    ln -sf /usr/bin/gcc-8 /usr/bin/gcc && \
-    ln -sf /usr/bin/g++-8 /usr/bin/g++
+    ln -sf /usr/bin/gcc-ranlib-9 /usr/bin/gcc-ranlib && \
+    ln -sf /usr/bin/gcc-ar-9 /usr/bin/gcc-ar && \
+    ln -sf /usr/bin/gcc-9 /usr/bin/gcc && \
+    ln -sf /usr/bin/g++-9 /usr/bin/g++
 
 RUN cd /root && \
     git clone https://github.com/mono/mono --branch ${mono_version} --single-branch && \

Dockerfile.ubuntu-64

@@ -14,12 +14,12 @@ RUN if [ -z "${mono_version}" ]; then echo -e "\n\nargument mono-version is mand
     apt-get -y update && \
     apt-get -y install --no-install-recommends \
       autoconf automake bzip2 cmake curl gettext git libtool make perl scons xz-utils \
-      gcc-8 g++-8 libudev-dev libx11-dev libxcursor-dev libxrandr-dev libasound2-dev libpulse-dev \
+      gcc-9 g++-9 libudev-dev libx11-dev libxcursor-dev libxrandr-dev libasound2-dev libpulse-dev \
       libgl1-mesa-dev libglu1-mesa-dev libxi-dev libxinerama-dev yasm && \
-    ln -sf /usr/bin/gcc-ranlib-8 /usr/bin/gcc-ranlib && \
-    ln -sf /usr/bin/gcc-ar-8 /usr/bin/gcc-ar && \
-    ln -sf /usr/bin/gcc-8 /usr/bin/gcc && \
-    ln -sf /usr/bin/g++-8 /usr/bin/g++
+    ln -sf /usr/bin/gcc-ranlib-9 /usr/bin/gcc-ranlib && \
+    ln -sf /usr/bin/gcc-ar-9 /usr/bin/gcc-ar && \
+    ln -sf /usr/bin/gcc-9 /usr/bin/gcc && \
+    ln -sf /usr/bin/g++-9 /usr/bin/g++
 
 RUN cd /root && \
     git clone https://github.com/mono/mono --branch ${mono_version} --single-branch && \