Exclude the github download about apriltags

[mkoval]

The second error message is correct. apriltagscpp is a standard CMake (i.e. non-Catkin) package. catkin_make only supports building a homogeneous workspace (i.e. only Catkin packages), so it not possible to build a a mixture of Catkin and non-Catkin packages.

You need to build to workspace with catkin build or catkin_make_isolated, which do support non-homogeneous workspaces. I recommend catkin build because it supports building multiple packages in parallel.

Alternatively, you can use cmake to manually install apriltagscpp into a directory of your choice and add that directory to CMAKE_PREFIX_PATH before building apriltags.

[psigen]

This latest version of the code should not require a download during build. Instead, it requires checking out two repositories into your catkin workspace, apriltags and apriltags-cpp.

This was changed in #25.

https://github.com/personalrobotics/apriltags
https://github.com/personalrobotics/apriltags-cpp

[g41903]

2 questions:

1. I clone apriltags and it shows

Could not find a package configuration file provided by "apriltagscpp" with
any of the following names:
apriltagscppConfig.cmake
apriltagscpp-config.cmake
Add the installation prefix of "apriltagscpp" to CMAKE_PREFIX_PATH or set
"apriltagscpp_DIR" to a directory containing one of the above files. If
"apriltagscpp" provides a separate development package or SDK, be sure it
has been installed.

2. I clone apriltags-cpp and it shows

This workspace contains non-catkin packages in it, and catkin cannot build
a non-homogeneous workspace without isolation. Try the
'catkin_make_isolated' command instead.

[IndustrialEngStudent]

2 questions:

1. I clone apriltags and it shows

Could not find a package configuration file provided by "apriltagscpp" with
any of the following names:
apriltagscppConfig.cmake
apriltagscpp-config.cmake
Add the installation prefix of "apriltagscpp" to CMAKE_PREFIX_PATH or set
"apriltagscpp_DIR" to a directory containing one of the above files. If
"apriltagscpp" provides a separate development package or SDK, be sure it
has been installed.

I have the same problem. Is there another package needed called apriltagscpp (not apriltags-cpp)?