blosc2: require >=2.10.1

This is needed to simplify our dependency to Blosc2, supporting
prior to 2.10.1 requires us to support to types of blosc2 cmake
dependencies (CONFIG and MODULE) and code this per each version.

cmake/DetectOptions.cmake

@@ -72,31 +72,26 @@ find_package(Threads REQUIRED)
 
 # Blosc2
 if(ADIOS2_USE_Blosc2 STREQUAL AUTO)
-  # Prefect CONFIG mode
-  find_package(Blosc2 2.4 CONFIG QUIET)
-  if(NOT Blosc2_FOUND)
-    find_package(Blosc2 2.4 MODULE QUIET)
-  endif()
+  find_package(Blosc2 2.10.1 QUIET)
 elseif(ADIOS2_USE_Blosc2)
-  # Prefect CONFIG mode
-  find_package(Blosc2 2.4 CONFIG)
-  if(NOT Blosc2_FOUND)
-    find_package(Blosc2 2.4 MODULE REQUIRED)
-  endif()
+  find_package(Blosc2 2.10.1)
 endif()
 if(Blosc2_FOUND)
   set(ADIOS2_HAVE_Blosc2 TRUE)
   if(TARGET Blosc2::blosc2_shared)
-    set(Blosc2_shlib_available ON)
+    set(blosc2_shlib_available ON)
   endif()
 
-  set(adios2_blosc2_tgt Blosc2::Blosc2)
-  if (Blosc2_VERSION VERSION_GREATER_EQUAL 2.10.1)
-    if (Blosc2_shlib_available AND ADIOS2_Blosc2_PREFER_SHARED)
-      set(adios2_blosc2_tgt Blosc2::blosc2_shared)
-    else()
-      set(adios2_blosc2_tgt Blosc2::blosc2_static)
-    endif()
+  if(TARGET Blosc2::blosc2_static)
+    set(blosc2_slib_available ON)
+  endif()
+
+  if (blosc2_shlib_available AND (NOT blosc2_slib_available OR ADIOS2_Blosc2_PREFER_SHARED))
+    set(adios2_blosc2_tgt Blosc2::blosc2_shared)
+  elseif(blosc2_slib_available)
+    set(adios2_blosc2_tgt Blosc2::blosc2_static)
+  else()
+    message(FATAL_ERROR "Blosc2 cmake package found but no targets exists inside it.")
   endif()
 
   add_library(adios2_blosc2 ALIAS ${adios2_blosc2_tgt})

cmake/adios2-config-common.cmake.in

@@ -81,6 +81,11 @@ else()
 endif()
 
 if(NOT @BUILD_SHARED_LIBS@)
+  set(ADIOS2_HAVE_Blosc2 @ADIOS2_HAVE_Blosc2@)
+  if(ADIOS2_HAVE_Blosc2)
+    find_dependency(Blosc2 2.10.1)
+  endif()
+
   set(ADIOS2_HAVE_BZip2 @ADIOS2_HAVE_BZip2@)
   if(ADIOS2_HAVE_BZip2)
     find_dependency(BZip2)