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

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

4 files changed, 24 insertions, 23 deletions

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index ac2a36149d..90c9039742 100644
--- a/.github/workflows/cmake.yml
+++ b/.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
diff --git a/.github/workflows/libjs-test262.yml b/.github/workflows/libjs-test262.yml
index 60e3fee199..4da23789de 100644
--- a/.github/workflows/libjs-test262.yml
+++ b/.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
diff --git a/.github/workflows/pvs-studio-static-analysis.yml b/.github/workflows/pvs-studio-static-analysis.yml
index 1eca15daab..b95a09b958 100644
--- a/.github/workflows/pvs-studio-static-analysis.yml
+++ b/.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
 
diff --git a/.github/workflows/sonar-cloud-static-analysis.yml b/.github/workflows/sonar-cloud-static-analysis.yml
index fa7825f043..4715a48c20 100644
--- a/.github/workflows/sonar-cloud-static-analysis.yml
+++ b/.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