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-rw-r--r--config/cmake/ConfigureChecks.cmake16
1 files changed, 11 insertions, 5 deletions
diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake
index 1c3d5f9..5a401f7 100644
--- a/config/cmake/ConfigureChecks.cmake
+++ b/config/cmake/ConfigureChecks.cmake
@@ -175,11 +175,17 @@ endif ()
# Check whether we can build the Mirror VFD
# Header-check flags set in config/cmake_ext_mod/ConfigureChecks.cmake
# ----------------------------------------------------------------------
-if ( ${HDF_PREFIX}_HAVE_NETINET_IN_H AND
- ${HDF_PREFIX}_HAVE_NETDB_H AND
- ${HDF_PREFIX}_HAVE_ARPA_INET_H AND
- ${HDF_PREFIX}_HAVE_SYS_SOCKET_H)
- set (${HDF_PREFIX}_HAVE_MIRROR_VFD 1)
+option (HDF5_ENABLE_MIRROR_VFD "Build the Mirror Virtual File Driver" OFF)
+if (H5FD_ENABLE_MIRROR_VFD)
+ if ( ${HDF_PREFIX}_HAVE_NETINET_IN_H AND
+ ${HDF_PREFIX}_HAVE_NETDB_H AND
+ ${HDF_PREFIX}_HAVE_ARPA_INET_H AND
+ ${HDF_PREFIX}_HAVE_SYS_SOCKET_H AND
+ ${HDF_PREFIX}_HAVE_FORK)
+ set (${HDF_PREFIX}_HAVE_MIRROR_VFD 1)
+ else()
+ message(STATUS "The socket-based Mirror VFD was requested but cannot be built. System prerequisites are not met.")
+ endif()
endif()
#-----------------------------------------------------------------------------