Remove dependency on C compiler

CMake/FindCasacore.cmake

@@ -209,7 +209,13 @@ else(NOT CASACORE_INCLUDE_DIR)
   foreach(_comp ${_find_components})
     casacore_find_library(casa_${_comp})
     if(${_comp} STREQUAL casa)
-      casacore_find_package(HDF5)
+      # Use 'find_package' directly for HDF5, since 'casacore_find_package'
+      # does not support the extra 'COMPONENTS CXX' arguments.
+      find_package(HDF5 COMPONENTS CXX)
+      if (HDF5_FOUND)
+        list(APPEND CASACORE_INCLUDE_DIRS ${HDF5_INCLUDE_DIRS})
+        list(APPEND CASACORE_LIBRARIES ${HDF5_LIBRARIES})
+      endif(HDF5_FOUND)
       casacore_find_library(m)
       list(APPEND CASACORE_LIBRARIES ${CMAKE_DL_LIBS})
     elseif(${_comp} STREQUAL coordinates)

CMakeLists.txt

@@ -19,7 +19,10 @@ else()
     FATAL_ERROR "Failed to parse EVERYBEAM_VERSION='${EVERYBEAM_VERSION}'")
 endif()
 
-project(EveryBeam VERSION ${EVERYBEAM_VERSION})
+project(
+  EveryBeam
+  VERSION ${EVERYBEAM_VERSION}
+  LANGUAGES CXX)
 
 # CMake versions less than 3.17 do not support CMAKE_MESSAGE_LOG_LEVEL
 # Fake it here to silence unwanted output
@@ -189,7 +192,7 @@ include_directories("${CMAKE_SOURCE_DIR}/external/schaapcommon/include")
 # Find and include HDF5
 find_package(
   HDF5
-  COMPONENTS C CXX
+  COMPONENTS CXX
   REQUIRED)
 add_definitions(${HDF5_DEFINITIONS} -DH5_USE_110_API)
 include_directories(SYSTEM ${HDF5_INCLUDE_DIRS})

aocommon @ 2fb9631c

-Subproject commit cd1a70fc9be1d80c0f3893acf76f3d7a63b15f7c
+Subproject commit 2fb9631ca2a89db53241405acef4c507a94abbd4

schaapcommon @ 5a9b7979

-Subproject commit 6fd6a927852722fc9afd12a4febec45bf5dbeab4
+Subproject commit 5a9b7979cf55ee8fa475612124b6873a6437ec3f