blosc2: fix static dependency in installed cmake files

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 CONFIG 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 CONFIG)
 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 CONFIG)
+  endif()
+
   set(ADIOS2_HAVE_BZip2 @ADIOS2_HAVE_BZip2@)
   if(ADIOS2_HAVE_BZip2)
     find_dependency(BZip2)