extern/asio: Bump and require v1.18.1

.gitmodules

@@ -3,7 +3,7 @@
 	url = https://github.com/google/googletest
 [submodule "extern/asio"]
 	path = extern/asio
-	url = https://github.com/chriskohlhoff/asio
+	url = https://github.com/FairRootGroup/asio
 [submodule "extern/PicoSHA2"]
 	path = extern/PicoSHA2
 	url = https://github.com/okdshin/PicoSHA2

CMakeLists.txt

@@ -6,8 +6,8 @@
 #                  copied verbatim in the file "LICENSE"                       #
 ################################################################################
 
-cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
-cmake_policy(VERSION 3.12...3.15)
+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_policy(VERSION 3.14...3.20)
 
 # Project ######################################################################
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
@@ -132,7 +132,7 @@ endif()
 
 if(BUILD_SDK)
   find_package2(BUNDLED asio
-    VERSION 1.18.0
+    VERSION 1.18.1
   )
   if(NOT asio_FOUND)
     build_bundled(asio extern/asio)
@@ -236,18 +236,18 @@ if(BUILD_DOCS)
   )
 endif()
 if(BUILD_SDK)
-  install(FILES cmake/Findasio.cmake
-    DESTINATION ${PROJECT_INSTALL_CMAKEMODDIR}
-  )
   if(asio_BUNDLED)
+    add_library(bundled_asio_headers INTERFACE)
+    target_include_directories(bundled_asio_headers INTERFACE
+      $<BUILD_INTERFACE:${asio_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}>
+      $<INSTALL_INTERFACE:${PROJECT_INSTALL_INCDIR}/bundled>
+    )
     install(TARGETS bundled_asio_headers EXPORT ${PROJECT_EXPORT_SET})
-    install(DIRECTORY "${asio_BUILD_INCLUDE_DIR}/asio"
-      DESTINATION ${asio_INSTALL_INCLUDE_DIR}
-      PATTERN "Makefile.am" EXCLUDE
-      PATTERN ".gitignore" EXCLUDE
+    install(DIRECTORY "${asio_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/asio"
+      DESTINATION ${PROJECT_INSTALL_INCDIR}/bundled
     )
-    install(FILES "${asio_BUILD_INCLUDE_DIR}/asio.hpp"
-      DESTINATION ${asio_INSTALL_INCLUDE_DIR}
+    install(FILES "${asio_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}/asio.hpp"
+      DESTINATION ${PROJECT_INSTALL_INCDIR}/bundled
     )
   endif()
 endif()
@@ -336,7 +336,11 @@ if(PROJECT_PACKAGE_DEPENDENCIES)
       endif()
       get_filename_component(prefix ${flatbuffers_include}/.. ABSOLUTE)
     else()
-      get_filename_component(prefix ${${dep}_INCLUDE_DIR}/.. ABSOLUTE)
+      if(${dep}_PREFIX)
+        set(prefix ${${dep}_PREFIX})
+      else()
+        get_filename_component(prefix ${${dep}_INCLUDE_DIR}/.. ABSOLUTE)
+      endif()
     endif()
     if(NOT ${dep}_BUNDLED)
       message(STATUS "  ${BWhite}${dep_padded}${CR}${version_padded}${prefix}")

cmake/FairMQLib.cmake

@@ -291,7 +291,7 @@ if(\"\${CMAKE_MAJOR_VERSION}.\${CMAKE_MINOR_VERSION}\" VERSION_LESS 3.11)
    message(FATAL_ERROR \"CMake >= 3.11 required\")
 endif()
 set_target_properties(${PROJECT_NAME}::bundled_asio_headers PROPERTIES IMPORTED_GLOBAL TRUE)
-add_library(asio::headers ALIAS ${PROJECT_NAME}::bundled_asio_headers)
+add_library(asio::asio ALIAS ${PROJECT_NAME}::bundled_asio_headers)
 set(asio_VERSION ${asio_VERSION})
 
 ")
@@ -502,9 +502,15 @@ function(build_bundled package bundle)
     exec(${CMAKE_COMMAND} --build ${${package}_BINARY_DIR})
     exec(${CMAKE_COMMAND} --build ${${package}_BINARY_DIR} --target install)
   elseif(${package} STREQUAL asio)
-    set(${package}_BUILD_INCLUDE_DIR ${${package}_SOURCE_DIR}/asio/include CACHE PATH "Bundled ${package} build-interface include dir")
-    set(${package}_INSTALL_INCLUDE_DIR ${PROJECT_INSTALL_INCDIR}/bundled CACHE PATH "Bundled ${package} install-interface include dir")
-    set(${package}_ROOT ${${package}_SOURCE_DIR}/asio)
+    set(${package}_INSTALL_DIR ${CMAKE_BINARY_DIR}/${bundle}_install)
+    file(MAKE_DIRECTORY ${${package}_INSTALL_DIR})
+    set(${package}_ROOT ${${package}_INSTALL_DIR})
+
+    exec(${CMAKE_COMMAND} -S ${${package}_SOURCE_DIR} -B ${${package}_BINARY_DIR} -G ${CMAKE_GENERATOR}
+      -DCMAKE_INSTALL_PREFIX=${${package}_INSTALL_DIR}
+    )
+    exec(${CMAKE_COMMAND} --build ${${package}_BINARY_DIR})
+    exec(${CMAKE_COMMAND} --build ${${package}_BINARY_DIR} --target install)
   elseif(${package} STREQUAL PicoSHA2)
     set(${package}_ROOT ${${package}_SOURCE_DIR})
   endif()

fairmq/sdk/CMakeLists.txt

@@ -54,7 +54,7 @@ target_include_directories(${target}
 )
 target_link_libraries(${target}
   PUBLIC
-  asio::headers
+  asio::asio
   Boost::boost
   Boost::filesystem
   FairLogger::FairLogger