Commits
François Saint-Jacques authored and Wes McKinney committed 00db1538244
ARROW-5631: [C++] Fix FindBoost targets with cmake3.2 cmake's FindBoost pre 3.5 did not export IMPORTED targets. This also fixes the newly introduced trusty docker image. Author: François Saint-Jacques <fsaintjacques@gmail.com> Author: Wes McKinney <wesm+git@apache.org> Closes #4605 from fsaintjacques/ARROW-5631-cmake32-boost and squashes the following commits: 9b946dad7 <Wes McKinney> Code review feedback 01f67dd65 <François Saint-Jacques> Fix R docker image 6c632072d <François Saint-Jacques> Fix c_glib PKG_CONFIG_PATH in docker 3b70ff305 <François Saint-Jacques> Fix rust docker image 4b1c29fd8 <François Saint-Jacques> ARROW-5653: Fix conda libraries 7544850a4 <François Saint-Jacques> Remove debug docker command bd85741cc <François Saint-Jacques> Add custom docker and vendor boost 78e41cc4b <François Saint-Jacques> Fix trusty docker build