Meta+CI+Documentation: Bump host gcc requirement up to gcc 11

Bump macOS CI version to macOS 11 while we're here.

.github/workflows/cmake.yml

@@ -39,15 +39,17 @@ jobs:
       # sudo apt-get update -qq
       - name: "Install Ubuntu dependencies"
         # These packages are already part of the ubuntu-20.04 image:
-        # cmake clang-format-11 gcc-10 g++-10 libstdc++-10-dev libgmp-dev npm shellcheck
+        # cmake clang-format-11 libgmp-dev npm shellcheck
         # Packages below aren't.
         #
         # We add the canonical-server/server-backports PPA to get updated QEMU releases without having to manage
         #    yet another cache in github actions
+        # We add the ubuntu-toolchain-r/test PPA to get gcc-11 on 20.04
         run: |
           sudo add-apt-repository ppa:canonical-server/server-backports
+          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
           sudo apt-get update
-          sudo apt-get install libmpfr-dev libmpc-dev ninja-build e2fsprogs qemu-utils qemu-system-i386 ccache unzip
+          sudo apt-get install ccache e2fsprogs gcc-11 g++-11 libstdc++-11-dev libmpfr-dev libmpc-dev ninja-build qemu-utils qemu-system-i386 unzip
       - name: Install JS dependencies
         run: sudo npm install -g prettier@2.4.1
       - name: Install Python dependencies
@@ -56,7 +58,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install flake8 requests
       - name: Check versions
-        run: set +e; g++ --version; g++-10 --version; clang-format --version; clang-format-11 --version; prettier --version; python --version; python3 --version; ninja --version; flake8 --version; ccache --version; qemu-system-i386 --version
+        run: set +e; g++ --version; g++-11 --version; clang-format --version; clang-format-11 --version; prettier --version; python --version; python3 --version; ninja --version; flake8 --version; ccache --version; qemu-system-i386 --version
 
       # === PREPARE FOR BUILDING ===
 
@@ -140,8 +142,8 @@ jobs:
             -DSERENITY_ARCH=${{ matrix.arch }} \
             -DSERENITY_TOOLCHAIN=GNU \
             -DBUILD_LAGOM=ON \
-            -DCMAKE_C_COMPILER=gcc-10 \
-            -DCMAKE_CXX_COMPILER=g++-10 \
+            -DCMAKE_C_COMPILER=gcc-11 \
+            -DCMAKE_CXX_COMPILER=g++-11 \
             -DENABLE_ALL_DEBUG_FACILITIES=ON \
             -DENABLE_PCI_IDS_DOWNLOAD=OFF \
             -DENABLE_USB_IDS_DOWNLOAD=OFF
@@ -155,8 +157,8 @@ jobs:
             -DENABLE_COMPILETIME_HEADER_CHECK=ON \
             -DSERENITY_ARCH=${{ matrix.arch }} \
             -DSERENITY_TOOLCHAIN=GNU \
-            -DCMAKE_C_COMPILER=gcc-10 \
-            -DCMAKE_CXX_COMPILER=g++-10 \
+            -DCMAKE_C_COMPILER=gcc-11 \
+            -DCMAKE_CXX_COMPILER=g++-11 \
             -DENABLE_UNDEFINED_SANITIZER=ON \
             -DENABLE_PCI_IDS_DOWNLOAD=OFF \
             -DENABLE_USB_IDS_DOWNLOAD=OFF

.github/workflows/libjs-test262.yml

@@ -47,8 +47,9 @@ jobs:
 
       - name: Install dependencies
         run: |
+          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
           sudo apt-get update
-          sudo apt-get install ninja-build unzip
+          sudo apt-get install ninja-build unzip gcc-11 g++-11
 
       - name: Setup Python
         uses: actions/setup-python@v2
@@ -85,7 +86,7 @@ jobs:
         working-directory: libjs-test262
         run: |
           cd Build
-          cmake -GNinja -DCMAKE_C_COMPILER=gcc-10 -DCMAKE_CXX_COMPILER=g++-10 -DSERENITY_SOURCE_DIR=${{ env.SERENITY_SOURCE_DIR }} ..
+          cmake -GNinja -DCMAKE_C_COMPILER=gcc-11 -DCMAKE_CXX_COMPILER=g++-11 -DSERENITY_SOURCE_DIR=${{ env.SERENITY_SOURCE_DIR }} ..
           ninja libjs-test262-runner test-js
 
       - name: Run test262 and test262-parser-tests

.github/workflows/pvs-studio-static-analysis.yml

@@ -21,15 +21,16 @@ jobs:
 
       - name: "Install Ubuntu dependencies"
         # These packages are already part of the ubuntu-20.04 image:
-        # cmake clang-format-11 gcc-10 g++-10 libstdc++-10-dev libgmp-dev npm shellcheck
+        # cmake clang-format-11 libgmp-dev npm shellcheck
         # Packages below aren't.
         #
         run: |
+          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
           sudo apt-get update
-          sudo apt-get install libmpfr-dev libmpc-dev ninja-build unzip pvs-studio
+          sudo apt-get install gcc-11 g++-11 libstdc++-11-dev libmpfr-dev libmpc-dev ninja-build unzip pvs-studio
 
       - name: Check versions
-        run: set +e; g++ --version; g++-10 --version; ninja --version;
+        run: set +e; g++ --version; g++-11 --version; ninja --version;
 
       - name: Prepare useful stamps
         id: stamps
@@ -71,8 +72,8 @@ jobs:
           cmake -S Meta/CMake/Superbuild -B Build/superbuild -GNinja \
             -DSERENITY_ARCH=${{ env.PVS_STUDIO_ANALYSIS_ARCH }} \
             -DSERENITY_TOOLCHAIN=GNU \
-            -DCMAKE_C_COMPILER=gcc-10 \
-            -DCMAKE_CXX_COMPILER=g++-10 \
+            -DCMAKE_C_COMPILER=gcc-11 \
+            -DCMAKE_CXX_COMPILER=g++-11 \
             -DENABLE_PCI_IDS_DOWNLOAD=OFF \
             -DENABLE_USB_IDS_DOWNLOAD=OFF
 

.github/workflows/sonar-cloud-static-analysis.yml

@@ -55,18 +55,15 @@ jobs:
 
       - name: "Install Ubuntu dependencies"
         # These packages are already part of the ubuntu-20.04 image:
-        # cmake clang-format-11 gcc-10 g++-10 libstdc++-10-dev libgmp-dev npm shellcheck
+        # cmake clang-format-11 libgmp-dev npm shellcheck
         # Packages below aren't.
-        #
-        # We add the canonical-server/server-backports PPA to get updated QEMU releases without having to manage
-        #    yet another cache in github actions
         run: |
-          sudo add-apt-repository ppa:canonical-server/server-backports
+          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
           sudo apt-get update
-          sudo apt-get install libmpfr-dev libmpc-dev ninja-build unzip
+          sudo apt-get install gcc-11 g++-11 libstdc++-11-dev libmpfr-dev libmpc-dev ninja-build unzip
 
       - name: Check versions
-        run: set +e; g++ --version; g++-10 --version; ninja --version;
+        run: set +e; g++ --version; g++-11 --version; ninja --version;
 
       - name: Prepare useful stamps
         id: stamps
@@ -108,8 +105,8 @@ jobs:
           cmake -S Meta/CMake/Superbuild -B Build/superbuild -GNinja \
             -DSERENITY_ARCH=${{ env.SONAR_ANALYSIS_ARCH }} \
             -DSERENITY_TOOLCHAIN=GNU \
-            -DCMAKE_C_COMPILER=gcc-10 \
-            -DCMAKE_CXX_COMPILER=g++-10 \
+            -DCMAKE_C_COMPILER=gcc-11 \
+            -DCMAKE_CXX_COMPILER=g++-11 \
             -DENABLE_PCI_IDS_DOWNLOAD=OFF \
             -DENABLE_USB_IDS_DOWNLOAD=OFF
 

Documentation/BuildInstructions.md

@@ -10,18 +10,18 @@ Make sure you have all the dependencies installed:
 sudo apt install build-essential cmake curl libmpfr-dev libmpc-dev libgmp-dev e2fsprogs ninja-build qemu-system-gui qemu-system-x86 qemu-utils ccache rsync unzip texinfo
 ```
 
-#### GCC 10
+#### GCC 11
 
-On Ubuntu gcc-10 is available in the repositories of 20.04 (Focal) and later - add the `ubuntu-toolchain-r/test` PPA if you're running an older version:
+On Ubuntu gcc-11 is available in the repositories of 21.04 (Hirsuite) and later - add the `ubuntu-toolchain-r/test` PPA if you're running an older version:
 
 ```console
 sudo add-apt-repository ppa:ubuntu-toolchain-r/test
 ```
 
-Now on Ubuntu or Debian you can install gcc-10 with apt like this:
+Now on Ubuntu or Debian you can install gcc-11 with apt like this:
 
 ```console
-sudo apt install gcc-10 g++-10
+sudo apt install gcc-11 g++-11
 ```
 
 #### QEMU 5 or later

Documentation/BuildInstructionsOther.md

@@ -36,7 +36,7 @@ with import <nixpkgs> {};
 stdenv.mkDerivation {
   name = "cpp-env";
   nativeBuildInputs = [
-    gcc10
+    gcc11
     curl
     cmake
     mpfr

Documentation/SelfHostedRunners.md

@@ -19,12 +19,13 @@ These instructions assume the OS installed is Ubuntu 20.04 (Focal), so they migh
 ### Install base dependencies
 ```shell
 add-apt-repository ppa:canonical-server/server-backports
+add-apt-repository ppa:ubuntu-toolchain-r/test
 apt update
-apt install git build-essential make cmake clang-format-11 gcc-10 g++-10 libstdc++-10-dev libgmp-dev ccache libmpfr-dev libmpc-dev ninja-build e2fsprogs qemu-utils qemu-system-i386 wabt
+apt install git build-essential make cmake clang-format-11 gcc-11 g++-11 libstdc++-11-dev libgmp-dev ccache libmpfr-dev libmpc-dev ninja-build e2fsprogs qemu-utils qemu-system-i386 wabt
 ```
-### Force usage of GCC 10
+### Force usage of GCC 11
 ```shell
-update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 --slave /usr/bin/g++ g++ /usr/bin/g++-10
+update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11
 ```
 ### Create a new user account named 'runner'
 ```shell

Documentation/Troubleshooting.md

@@ -16,7 +16,7 @@ install it. You can also build it using the `Toolchain/BuildQemu.sh` script.
 
 ### GCC is missing or is outdated
 
-Ensure your gcc version is >= 10 with `gcc --version`. Otherwise, install it. If your gcc binary is not
+Ensure your gcc version is >= 11 with `gcc --version`. Otherwise, install it. If your gcc binary is not
 called `gcc` you have to specify the names of your C and C++ compiler when you run cmake, e.g.
 `cmake ../.. -GNinja -DCMAKE_C_COMPILER=gcc-11 -DCMAKE_CXX_COMPILER=g++-11`.
 

Meta/Azure/Lagom.yml

@@ -15,7 +15,7 @@ jobs:
       ${{ if eq(parameters.os, 'Linux') }}:
         value: ubuntu-20.04
       ${{ if eq(parameters.os, 'macOS') }}:
-        value: macos-10.15
+        value: macos-11
 
     - name: toolchain
       ${{ if eq(parameters.fuzzer, 'Fuzz') }}:
@@ -74,8 +74,8 @@ jobs:
             -DENABLE_ADDRESS_SANITIZER=ON \
             -DENABLE_PCI_IDS_DOWNLOAD=OFF \
             -DENABLE_USB_IDS_DOWNLOAD=OFF \
-            -DCMAKE_C_COMPILER=gcc-10 \
-            -DCMAKE_CXX_COMPILER=g++-10 \
+            -DCMAKE_C_COMPILER=gcc-11 \
+            -DCMAKE_CXX_COMPILER=g++-11 \
             ..
         displayName: 'Create Build Environment'
         workingDirectory: $(Build.SourcesDirectory)/Meta/Lagom/Build

Meta/Azure/Serenity.yml

@@ -40,8 +40,8 @@ jobs:
           -DENABLE_UNDEFINED_SANITIZER=ON \
           -DENABLE_PCI_IDS_DOWNLOAD=OFF \
           -DENABLE_USB_IDS_DOWNLOAD=OFF \
-          -DCMAKE_C_COMPILER=gcc-10 \
-          -DCMAKE_CXX_COMPILER=g++-10
+          -DCMAKE_C_COMPILER=gcc-11 \
+          -DCMAKE_CXX_COMPILER=g++-11
       displayName: 'Create Build Environment'
       workingDirectory: $(Build.SourcesDirectory)
       env:

Meta/Azure/Setup.yml

@@ -8,18 +8,22 @@ steps:
   - ${{ if eq(parameters.os, 'Serenity') }}:
     - script: |
         sudo add-apt-repository ppa:canonical-server/server-backports
+        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
         sudo apt-get update
-        sudo apt-get install libmpfr-dev libmpc-dev ninja-build e2fsprogs qemu-utils qemu-system-i386 ccache unzip
+        sudo apt-get install ccache e2fsprogs gcc-11 g++-11 libstdc++-11-dev libmpfr-dev libmpc-dev ninja-build qemu-utils qemu-system-i386 unzip
       displayName: 'Install Dependencies'
 
   - ${{ if eq(parameters.os, 'Linux') }}:
     - script: |
-        sudo apt-get purge -y clang-11
+        sudo apt-get purge -y clang-11 gcc-10
+        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
         sudo apt-get update
-        sudo apt-get install ninja-build ccache unzip
+        sudo apt-get install ccache gcc-11 g++-11 libstdc++-11-dev ninja-build unzip
 
         sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-12 100
         sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-12 100
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100
+        sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 100
 
         wget https://github.com/WebAssembly/wabt/releases/download/1.0.23/wabt-1.0.23-ubuntu.tar.gz
         tar -xzf ./wabt-1.0.23-ubuntu.tar.gz

Meta/Lagom/CMakeLists.txt

@@ -8,9 +8,9 @@ project(
     LANGUAGES C CXX
 )
 
-if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "10.2")
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "11")
   message(FATAL_ERROR
-      "A GCC version less than 10.2 was detected (${CMAKE_CXX_COMPILER_VERSION}), this is unsupported.\n"
+      "A GCC version less than 11 was detected (${CMAKE_CXX_COMPILER_VERSION}), this is unsupported.\n"
       "Please re-read the build instructions documentation, and upgrade your host compiler.\n")
 endif()
 

Meta/serenity.sh

@@ -144,7 +144,7 @@ create_build_dir() {
 pick_gcc() {
     local BEST_VERSION=0
     local BEST_GCC_CANDIDATE=""
-    for GCC_CANDIDATE in egcc gcc gcc-10 gcc-11 gcc-12 /usr/local/bin/gcc-11 /opt/homebrew/bin/gcc-11; do
+    for GCC_CANDIDATE in egcc gcc gcc-11 gcc-12 /usr/local/bin/gcc-11 /opt/homebrew/bin/gcc-11; do
         if ! command -v $GCC_CANDIDATE >/dev/null 2>&1; then
             continue
         fi
@@ -164,8 +164,8 @@ pick_gcc() {
     done
     CMAKE_ARGS+=("-DCMAKE_C_COMPILER=$BEST_GCC_CANDIDATE")
     CMAKE_ARGS+=("-DCMAKE_CXX_COMPILER=${BEST_GCC_CANDIDATE/gcc/g++}")
-    if [ "$BEST_VERSION" -lt 10 ]; then
-        die "Please make sure that GCC version 10.2 or higher is installed."
+    if [ "$BEST_VERSION" -lt 11 ]; then
+        die "Please make sure that GCC version 11 or higher is installed."
     fi
 }