Add support for gcc version 14

.github/workflows/CodeCoverage.yml

@@ -34,7 +34,7 @@ on:
 
 jobs:
   linux:
-    runs-on: 'ubuntu-22.04'
+    runs-on: 'ubuntu-24.04'
 
     # Don't run on dependabot PRs
     if: github.actor != 'dependabot[bot]'
@@ -44,7 +44,7 @@ jobs:
 
       matrix:
         compiler:
-          - "gcc-13"
+          - "gcc-14"
 
         build_type:
           - "Debug"

.github/workflows/Linux.yml

@@ -114,6 +114,7 @@ jobs:
           - { os: ubuntu-20.04, compiler_version: "11" }
           - { os: ubuntu-22.04, compiler_version: "12" }
           - { os: ubuntu-22.04, compiler_version: "13" }
+          - { os: ubuntu-24.04, compiler_version: "14" }
 
         build_type:
           - "Debug"

.github/workflows/MacOS.yml

@@ -49,18 +49,18 @@
       matrix:
         # Pair of os version and XCode version
         cfg:
           - { os: macos-11, compiler_version: "11.7"   }
           - { os: macos-11, compiler_version: "12.4"   }
           - { os: macos-11, compiler_version: "12.5.1" }
           - { os: macos-11, compiler_version: "13.0"   }
           - { os: macos-11, compiler_version: "13.1"   }
           - { os: macos-11, compiler_version: "13.2.1" }
           - { os: macos-12, compiler_version: "13.3.1" }
           - { os: macos-12, compiler_version: "13.4.1" }
           - { os: macos-12, compiler_version: "14.0.1" }
           - { os: macos-12, compiler_version: "14.1"   }
           - { os: macos-12, compiler_version: "14.2"   }
           - { os: macos-13, compiler_version: "14.3"   }
           - { os: macos-13, compiler_version: "15.0.1" }
           - { os: macos-13, compiler_version: "15.1"   }
           - { os: macos-13, compiler_version: "15.2"   }
@@ -115,6 +115,7 @@
           - "11"
           - "12"
           - "13"
+          - "14"
 
         build_type:
           - "Debug"

scripts/ci/InstallTools.sh

@@ -6,7 +6,6 @@
 set -e
 set -u
 
-upgraded_pip=0
 added_llvm_apt=0
 added_ubuntu_test_ppa=0
 root_dir=$(pwd)
@@ -36,30 +35,6 @@ function apt_install() {
     echo "- Running apt-get install [$*] done"
 }
 
-function pip_install() {
-    echo "- Running pip install [$*]..."
-    retry sudo -H pip3 --no-cache-dir install "$@"
-    echo "- Running pip install [$*] done"
-}
-
-# Make sure pip is using the latest version
-upgrade_pip() {
-    if [[ "$upgraded_pip" == 0 ]]; then
-        echo "-- Upgrading pip..."
-
-        pip_install --upgrade pip
-        upgraded_pip=1
-
-        echo "-- Upgrading pip done"
-    fi
-}
-
-install_python_wheel() {
-    echo "--- Installing wheel on pip..."
-    pip_install wheel
-    echo "--- Installing wheel on pip done"
-}
-
 add_llvm_apt() {
     if [[ "$added_llvm_apt" == 0 ]]; then
         echo "-- Adding LLVM-$1 apt..."
@@ -99,11 +74,8 @@ add_ubuntu_test_ppa() {
 }
 
 install_gcovr() {
-    upgrade_pip
-    install_python_wheel
-
     echo "-- Installing gcovr..."
-    pip_install gcovr
+    apt_install gcovr
     echo "-- Installing gcovr done"
 
     # Verify
@@ -114,12 +86,8 @@ install_gcovr() {
 }
 
 install_cmake_format() {
-    upgrade_pip
-    install_python_wheel
-
     echo "-- Installing cmake-format..."
-    # See https://cmake-format.readthedocs.io/en/latest/installation.html#installation
-    pip_install cmakelang pyyaml
+    apt_install cmake-format
     echo "-- Installing cmake-format done"
 
     # Verify

scripts/ci/SetupEnvironment.sh

@@ -99,7 +99,7 @@ echo "UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1:halt_on_error=1" >>"$
 
 # Latest versions
 echo "LATEST_LLVM_VERSION=18" >>"$GITHUB_ENV"
-echo "LATEST_GCC_VERSION=13" >>"$GITHUB_ENV"
+echo "LATEST_GCC_VERSION=14" >>"$GITHUB_ENV"
 
 if [[ $machine == "linux" ]]; then
     # Workaround for the unreliable Github Actions caching proxy

scripts/cmake/CompilerFlags.cmake

@@ -530,8 +530,8 @@ elseif(PHI_COMPILER_GCC)
   set(phi_cxx_common_flags -fsized-deallocation -fconcepts)
   set(phi_color_diagnostics_flag -fdiagnostics-color)
   set(phi_disable_all_warnings_flag -w)
-  set(phi_debug_flags -fasynchronous-unwind-tables -fcheck-new -fvar-tracking
-                      -fvar-tracking-assignments -grecord-gcc-switches)
+  set(phi_debug_flags -fasynchronous-unwind-tables -fcheck-new -fvar-tracking-assignments
+                      -grecord-gcc-switches)
   set(phi_debug_only_flags)
   set(phi_coverage_compile_flags -fno-common -fno-inline -fno-default-inline -fno-inline-functions
                                  -fno-omit-frame-pointer)
@@ -640,6 +640,11 @@ elseif(PHI_COMPILER_GCC)
                         -ftrivial-auto-var-init=pattern)
   endif()
 
+  # GCC-14 flags
+  if(PHI_GCC_VERSION VERSION_GREATER_EQUAL 14)
+    set(phi_cxx_warning_flags ${phi_cxx_warning_flags} -Wnrvo)
+  endif()
+
 elseif(PHI_COMPILER_MSVC)
 
   set(phi_warning_flags /Wall)