Merge branch 'Acts9.1' into 'master'

Acts v9.1.0

See merge request !847

External/Acts/CMakeLists.txt

@@ -42,7 +42,7 @@ endif()
 # Set the repository and tag to be used through cache variables.
 set( ATLAS_ACTS_REPOSITORY "https://github.com/acts-project/acts.git"
    CACHE STRING "Repository to fetch Acts from" )
-set( ATLAS_ACTS_TAG "v8.1.0"
+set( ATLAS_ACTS_TAG "v9.1.0"
    CACHE STRING "Git tag to use for the Acts build" )
 
 # Decide whether / how to patch the Acts sources.
@@ -75,7 +75,7 @@ ExternalProject_Add_Step( Acts cleansource
 # Need to modify the printout here when the Acts version is updated, and we want
 # to ensure a clean build.
 ExternalProject_Add_Step( Acts forcedownload
-   COMMAND ${CMAKE_COMMAND} -E echo "Forcing the re-download of Acts (28.04.2021)"
+   COMMAND ${CMAKE_COMMAND} -E echo "Forcing the re-download of Acts (28.06.2021)"
    DEPENDERS cleansource )
 ExternalProject_Add_Step( Acts purgeBuild
    COMMAND ${CMAKE_COMMAND} -E remove_directory "<BINARY_DIR>"