Merge branch 'FindBoost-1.71' into release-3.15

Merge-request: !3763

2 files changed, 36 insertions, 18 deletions

diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake
index 25dd397cff..eb4f5e4196 100644
--- a/Modules/FindBoost.cmake
+++ b/Modules/FindBoost.cmake
@@ -266,6 +266,21 @@ function(_boost_get_existing_target component target_var)
   foreach(prefix Boost boost)
     foreach(name IN LISTS names)
       if(TARGET "${prefix}::${name}")
+        # The target may be an INTERFACE library that wraps around a single other
+        # target for compatibility.  Unwrap this layer so we can extract real info.
+        if("${name}" MATCHES "^(python|numpy|mpi_python)([1-9])([0-9])$")
+          set(name_nv "${CMAKE_MATCH_1}")
+          if(TARGET "${prefix}::${name_nv}")
+            get_property(type TARGET "${prefix}::${name}" PROPERTY TYPE)
+            if(type STREQUAL "INTERFACE_LIBRARY")
+              get_property(lib TARGET "${prefix}::${name}" PROPERTY INTERFACE_LINK_LIBRARIES)
+              if("${lib}" STREQUAL "${prefix}::${name_nv}")
+                set(${target_var} "${prefix}::${name_nv}" PARENT_SCOPE)
+                return()
+              endif()
+            endif()
+          endif()
+        endif()
         set(${target_var} "${prefix}::${name}" PARENT_SCOPE)
         return()
       endif()
@@ -1105,23 +1120,21 @@ function(_Boost_COMPONENT_DEPENDENCIES component _ret)
     set(_Boost_TIMER_DEPENDENCIES chrono system)
     set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
     set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-  else()
-    if(NOT Boost_VERSION_STRING VERSION_LESS 1.70.0)
-      set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
-      set(_Boost_COROUTINE_DEPENDENCIES context)
-      set(_Boost_FIBER_DEPENDENCIES context)
-      set(_Boost_IOSTREAMS_DEPENDENCIES regex)
-      set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
-      set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
-      set(_Boost_MPI_DEPENDENCIES serialization)
-      set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
-      set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
-      set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
-      set(_Boost_TIMER_DEPENDENCIES chrono system)
-      set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
-      set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
-    endif()
-    if(NOT Boost_VERSION_STRING VERSION_LESS 1.71.0)
+  elseif(NOT Boost_VERSION_STRING VERSION_LESS 1.70.0)
+    set(_Boost_CONTRACT_DEPENDENCIES thread chrono date_time)
+    set(_Boost_COROUTINE_DEPENDENCIES context)
+    set(_Boost_FIBER_DEPENDENCIES context)
+    set(_Boost_IOSTREAMS_DEPENDENCIES regex)
+    set(_Boost_LOG_DEPENDENCIES date_time log_setup filesystem thread regex chrono atomic)
+    set(_Boost_MATH_DEPENDENCIES math_c99 math_c99f math_c99l math_tr1 math_tr1f math_tr1l atomic)
+    set(_Boost_MPI_DEPENDENCIES serialization)
+    set(_Boost_MPI_PYTHON_DEPENDENCIES python${component_python_version} mpi serialization)
+    set(_Boost_NUMPY_DEPENDENCIES python${component_python_version})
+    set(_Boost_THREAD_DEPENDENCIES chrono date_time atomic)
+    set(_Boost_TIMER_DEPENDENCIES chrono)
+    set(_Boost_WAVE_DEPENDENCIES filesystem serialization thread chrono date_time atomic)
+    set(_Boost_WSERIALIZATION_DEPENDENCIES serialization)
+    if(NOT Boost_VERSION_STRING VERSION_LESS 1.72.0)
       message(WARNING "New Boost version may have incorrect or missing dependencies and imported targets")
     endif()
   endif()
@@ -1393,7 +1406,7 @@ else()
   # _Boost_COMPONENT_HEADERS.  See the instructions at the top of
   # _Boost_COMPONENT_DEPENDENCIES.
   set(_Boost_KNOWN_VERSIONS ${Boost_ADDITIONAL_VERSIONS}
-    "1.70.0" "1.70" "1.69.0" "1.69"
+    "1.71.0" "1.71" "1.70.0" "1.70" "1.69.0" "1.69"
     "1.68.0" "1.68" "1.67.0" "1.67" "1.66.0" "1.66" "1.65.1" "1.65.0" "1.65"
     "1.64.0" "1.64" "1.63.0" "1.63" "1.62.0" "1.62" "1.61.0" "1.61" "1.60.0" "1.60"
     "1.59.0" "1.59" "1.58.0" "1.58" "1.57.0" "1.57" "1.56.0" "1.56" "1.55.0" "1.55"
diff --git a/Tests/RunCMake/FindBoost/CMakePackage_New/BoostConfig.cmake b/Tests/RunCMake/FindBoost/CMakePackage_New/BoostConfig.cmake
index 3a88f262ad..1151514766 100644
--- a/Tests/RunCMake/FindBoost/CMakePackage_New/BoostConfig.cmake
+++ b/Tests/RunCMake/FindBoost/CMakePackage_New/BoostConfig.cmake
@@ -8,6 +8,7 @@ set_target_properties(Boost::date_time PROPERTIES
   IMPORTED_CONFIGURATIONS RELEASE
   IMPORTED_LOCATION_RELEASE "${CMAKE_CURRENT_LIST_DIR}/lib/libboost_date_time.a"
   )
+
 set(Boost_python37_FOUND 1)
 add_library(Boost::python UNKNOWN IMPORTED)
 set_target_properties(Boost::python PROPERTIES
@@ -15,6 +16,10 @@ set_target_properties(Boost::python PROPERTIES
   IMPORTED_LOCATION_RELEASE "${CMAKE_CURRENT_LIST_DIR}/lib/libboost_python_release.a"
   IMPORTED_LOCATION_DEBUG "${CMAKE_CURRENT_LIST_DIR}/lib/libboost_python.a"
   )
+# Versioned target alias for compatibility (added by upstream BoostConfig).
+add_library(Boost::python37 INTERFACE IMPORTED)
+set_property(TARGET Boost::python37 APPEND PROPERTY INTERFACE_LINK_LIBRARIES Boost::python)
+
 set(Boost_mpi_python2_FOUND 1)
 add_library(Boost::mpi_python UNKNOWN IMPORTED)
 set_target_properties(Boost::mpi_python PROPERTIES