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The main reason to do this is so that we can compile rclcpp with the clang static analyzer. As of clang++-14 (what is in Ubuntu 22.04), the default still seems to be C++14, so we need to specify C++17 so that new things in the rclcpp headers work properly.

Further, due to reasons I don't fully understand, I needed to set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use that version. So set this as well.

The main reason to do this is so that we can compile rclcpp
with the clang static analyzer.  As of clang++-14 (what is in
Ubuntu 22.04), the default still seems to be C++14, so we need
to specify C++17 so that new things in the rclcpp headers work
properly.

Further, due to reasons I don't fully understand, I needed to
set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use
that version.  So set this as well.

Signed-off-by: Chris Lalancette <clalancette@openrobotics.org>
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CI:

  • Linux Build Status
  • Linux-aarch64 Build Status
  • Windows Build Status

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The flake on Windows is unrelated, so merging.

@clalancette clalancette merged commit b6a803f into rolling Mar 7, 2023
@clalancette clalancette deleted the clalancette/update-to-c++17 branch March 7, 2023 19:44
alsora pushed a commit to irobot-ros/rclcpp that referenced this pull request Apr 28, 2023
The main reason to do this is so that we can compile rclcpp
with the clang static analyzer.  As of clang++-14 (what is in
Ubuntu 22.04), the default still seems to be C++14, so we need
to specify C++17 so that new things in the rclcpp headers work
properly.

Further, due to reasons I don't fully understand, I needed to
set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use
that version.  So set this as well.

Signed-off-by: Chris Lalancette <clalancette@openrobotics.org>
alsora pushed a commit to irobot-ros/rclcpp that referenced this pull request Apr 29, 2023
The main reason to do this is so that we can compile rclcpp
with the clang static analyzer.  As of clang++-14 (what is in
Ubuntu 22.04), the default still seems to be C++14, so we need
to specify C++17 so that new things in the rclcpp headers work
properly.

Further, due to reasons I don't fully understand, I needed to
set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use
that version.  So set this as well.

Signed-off-by: Chris Lalancette <clalancette@openrobotics.org>
alsora pushed a commit to irobot-ros/rclcpp that referenced this pull request Apr 29, 2023
The main reason to do this is so that we can compile rclcpp
with the clang static analyzer.  As of clang++-14 (what is in
Ubuntu 22.04), the default still seems to be C++14, so we need
to specify C++17 so that new things in the rclcpp headers work
properly.

Further, due to reasons I don't fully understand, I needed to
set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use
that version.  So set this as well.

Signed-off-by: Chris Lalancette <clalancette@openrobotics.org>
alsora pushed a commit to irobot-ros/rclcpp that referenced this pull request Apr 29, 2023
The main reason to do this is so that we can compile rclcpp
with the clang static analyzer.  As of clang++-14 (what is in
Ubuntu 22.04), the default still seems to be C++14, so we need
to specify C++17 so that new things in the rclcpp headers work
properly.

Further, due to reasons I don't fully understand, I needed to
set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use
that version.  So set this as well.

Signed-off-by: Chris Lalancette <clalancette@openrobotics.org>
alsora pushed a commit to irobot-ros/rclcpp that referenced this pull request May 3, 2023
The main reason to do this is so that we can compile rclcpp
with the clang static analyzer.  As of clang++-14 (what is in
Ubuntu 22.04), the default still seems to be C++14, so we need
to specify C++17 so that new things in the rclcpp headers work
properly.

Further, due to reasons I don't fully understand, I needed to
set CMAKE_CXX_STANDARD_REQUIRED in order for clang to really use
that version.  So set this as well.

Signed-off-by: Chris Lalancette <clalancette@openrobotics.org>
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3 participants