From b896d6314f422f66ccbbb342e639e4f73394cea9 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Mon, 27 May 2024 12:59:44 +0200
Subject: [PATCH 1/8] Update to checkout v4, added gcc 12

---
 .github/workflows/cpp_ubuntu20_04.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index cf21535..47e5d0d 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -14,12 +14,12 @@ jobs:
       fail-fast: false
       matrix:
         rosdistro: ['noetic']
-        gcc: ['8', '9', '10', '11']
+        gcc: ['8', '9', '10', '11', '12']
         cxx: ['11', '14', '17']
     container: ros:${{ matrix.rosdistro }}-ros-base-focal
     name: ROS ${{ matrix.rosdistro }} - GCC ${{ matrix.gcc }} - C++${{ matrix.cxx }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       name: Checkout lpp
       with:
         repository: ethz-asl/lpp

From abae6956a2f89d6d5548cc63be58a1fbe1fd3ddf Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Mon, 27 May 2024 16:26:31 +0200
Subject: [PATCH 2/8] Add repository for newer gcc versions

---
 .github/workflows/cpp_ubuntu20_04.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 47e5d0d..8939296 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -29,6 +29,10 @@ jobs:
     - name: Install newest git version
       run: sudo apt update && sudo apt-get install -y software-properties-common && sudo add-apt-repository -y ppa:git-core/ppa && sudo apt-get update && sudo apt-get install -y git
 
+    - name: Add testing repository
+      run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update
+      if: ${{ matrix.gcc }} == '12'
+
     - name: Install GCC version ${{ matrix.gcc }}
       run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update && sudo apt install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }} && sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }}
 

From 7ce2b0428fabe30e67de40b87b7e59453124ffa4 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Wed, 29 May 2024 12:59:50 +0200
Subject: [PATCH 3/8] Add gcc 13 and remove 12 as it is not available in ubuntu
 test repository

---
 .github/workflows/cpp_ubuntu20_04.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 8939296..3c5ad9c 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         rosdistro: ['noetic']
-        gcc: ['8', '9', '10', '11', '12']
+        gcc: ['8', '9', '10', '11', '13']
         cxx: ['11', '14', '17']
     container: ros:${{ matrix.rosdistro }}-ros-base-focal
     name: ROS ${{ matrix.rosdistro }} - GCC ${{ matrix.gcc }} - C++${{ matrix.cxx }}

From e5410897dbcdae4f12abdb6dd4e1ae72908f474b Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Wed, 29 May 2024 13:11:17 +0200
Subject: [PATCH 4/8] Add C++20 Support

---
 .github/workflows/cpp_ubuntu20_04.yml | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 3c5ad9c..76be424 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         rosdistro: ['noetic']
         gcc: ['8', '9', '10', '11', '13']
-        cxx: ['11', '14', '17']
+        cxx: ['11', '14', '17', '20']
     container: ros:${{ matrix.rosdistro }}-ros-base-focal
     name: ROS ${{ matrix.rosdistro }} - GCC ${{ matrix.gcc }} - C++${{ matrix.cxx }}
     steps:
@@ -29,10 +29,6 @@ jobs:
     - name: Install newest git version
       run: sudo apt update && sudo apt-get install -y software-properties-common && sudo add-apt-repository -y ppa:git-core/ppa && sudo apt-get update && sudo apt-get install -y git
 
-    - name: Add testing repository
-      run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update
-      if: ${{ matrix.gcc }} == '12'
-
     - name: Install GCC version ${{ matrix.gcc }}
       run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update && sudo apt install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }} && sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }}
 

From 169016e36694aef23710fe6b62a36d0bcae7d622 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Wed, 29 May 2024 13:43:45 +0200
Subject: [PATCH 5/8] Verify gcc compiler version

---
 .github/workflows/cpp_ubuntu20_04.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 76be424..2cd33e1 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -30,7 +30,7 @@ jobs:
       run: sudo apt update && sudo apt-get install -y software-properties-common && sudo add-apt-repository -y ppa:git-core/ppa && sudo apt-get update && sudo apt-get install -y git
 
     - name: Install GCC version ${{ matrix.gcc }}
-      run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update && sudo apt install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }} && sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }}
+      run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update && sudo apt install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }} && sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }} && gcc --version
 
     - name: Install catkin tools
       run: sudo apt install -y python3-rosdep python3-rosinstall python3-rosinstall-generator python3-wstool build-essential python3-catkin-tools
@@ -39,7 +39,7 @@ jobs:
       run: sudo apt install -y libgoogle-glog-dev
 
     - name: Build lpp
-      run: source /opt/ros/${{ matrix.rosdistro }}/setup.bash && catkin build -DCMAKE_CXX_STANDARD=${{ matrix.cxx }} -DLPP_BUILD_TESTS=1 lpp && source ${GITHUB_WORKSPACE}/catkin_ws/devel/setup.bash
+      run: source /opt/ros/${{ matrix.rosdistro }}/setup.bash && catkin build -DCMAKE_C_COMPILER=/usr/bin/gcc -DCMAKE_CXX_COMPILER=/usr/bin/gcc -DCMAKE_CXX_STANDARD=${{ matrix.cxx }} -DLPP_BUILD_TESTS=1 lpp && source ${GITHUB_WORKSPACE}/catkin_ws/devel/setup.bash
       working-directory: catkin_ws
       shell: bash
 

From 297cb99a33ab4db0b3cfcada7e868ac45599a1e7 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Wed, 29 May 2024 13:47:59 +0200
Subject: [PATCH 6/8] Fix CMAKE_CXX_COMPILER

---
 .github/workflows/cpp_ubuntu20_04.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 2cd33e1..01f0b69 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -39,7 +39,7 @@ jobs:
       run: sudo apt install -y libgoogle-glog-dev
 
     - name: Build lpp
-      run: source /opt/ros/${{ matrix.rosdistro }}/setup.bash && catkin build -DCMAKE_C_COMPILER=/usr/bin/gcc -DCMAKE_CXX_COMPILER=/usr/bin/gcc -DCMAKE_CXX_STANDARD=${{ matrix.cxx }} -DLPP_BUILD_TESTS=1 lpp && source ${GITHUB_WORKSPACE}/catkin_ws/devel/setup.bash
+      run: source /opt/ros/${{ matrix.rosdistro }}/setup.bash && catkin build -DCMAKE_C_COMPILER=/usr/bin/gcc -DCMAKE_CXX_COMPILER=/usr/bin/g++ -DCMAKE_CXX_STANDARD=${{ matrix.cxx }} -DLPP_BUILD_TESTS=1 lpp && source ${GITHUB_WORKSPACE}/catkin_ws/devel/setup.bash
       working-directory: catkin_ws
       shell: bash
 

From 8717c56c34f18c5e742b6a1728e49851860c2e79 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Wed, 29 May 2024 13:54:36 +0200
Subject: [PATCH 7/8] Verify g++ version

---
 .github/workflows/cpp_ubuntu20_04.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/cpp_ubuntu20_04.yml b/.github/workflows/cpp_ubuntu20_04.yml
index 01f0b69..07c46be 100644
--- a/.github/workflows/cpp_ubuntu20_04.yml
+++ b/.github/workflows/cpp_ubuntu20_04.yml
@@ -30,7 +30,7 @@ jobs:
       run: sudo apt update && sudo apt-get install -y software-properties-common && sudo add-apt-repository -y ppa:git-core/ppa && sudo apt-get update && sudo apt-get install -y git
 
     - name: Install GCC version ${{ matrix.gcc }}
-      run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update && sudo apt install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }} && sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }} && gcc --version
+      run: sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && sudo apt update && sudo apt install -y gcc-${{ matrix.gcc }} g++-${{ matrix.gcc }} && sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc }} 100 --slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc }} && gcc --version && g++ --version
 
     - name: Install catkin tools
       run: sudo apt install -y python3-rosdep python3-rosinstall python3-rosinstall-generator python3-wstool build-essential python3-catkin-tools

From 390a9102595ceedcf5f48983b6a761430e33b566 Mon Sep 17 00:00:00 2001
From: 4c3y <69460051+4c3y@users.noreply.github.com>
Date: Wed, 10 Jul 2024 17:10:37 +0200
Subject: [PATCH 8/8] Update README.md

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2525092..e7138aa 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,8 @@
 - All log calls are thread-safe.
 - Lightweight with performance in mind
 - Header only
-- Recommended to use with C++17, but also works with C++11 when compiling with GCC.
+- GCC 8 or later required
+- Recommended to use with C++17/C++20, but also works with C++11/C++14.
 
 ## Example