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include (CheckSymbolExists)
# Allow old "SYSTEM" option but prefer ON/AUTO/OFF.
if (NOT ENABLE_SNAPPY MATCHES "ON|SYSTEM|AUTO|OFF")
message (FATAL_ERROR "ENABLE_SNAPPY option must be ON, AUTO, or OFF")
endif ()
if (NOT ENABLE_SNAPPY STREQUAL OFF)
message (STATUS "Searching for compression library header snappy-c.h")
find_path (
SNAPPY_INCLUDE_DIRS NAMES snappy-c.h
PATHS /include /usr/include /usr/local/include /usr/share/include /opt/include c:/snappy/include
DOC "Searching for snappy-c.h")
if (NOT SNAPPY_INCLUDE_DIRS)
if (ENABLE_SNAPPY MATCHES "ON|SYSTEM")
message (FATAL_ERROR " Not found (specify -DCMAKE_INCLUDE_PATH=/path/to/snappy/include for Snappy compression)")
else ()
message (STATUS " Not found (specify -DCMAKE_INCLUDE_PATH=/path/to/snappy/include for Snappy compression)")
endif ()
else ()
message (STATUS " Found in ${SNAPPY_INCLUDE_DIRS}")
message (STATUS "Searching for libsnappy")
find_library (
SNAPPY_LIBRARIES NAMES snappy
PATHS /usr/lib /lib /usr/local/lib /usr/share/lib /opt/lib /opt/share/lib /var/lib c:/snappy/lib
DOC "Searching for libsnappy")
if (SNAPPY_LIBRARIES)
message (STATUS " Found ${SNAPPY_LIBRARIES}")
else ()
if (ENABLE_SNAPPY MATCHES "ON|SYSTEM")
message (FATAL_ERROR " Not found (specify -DCMAKE_LIBRARY_PATH=/path/to/snappy/lib for Snappy compression)")
else ()
message (STATUS " Not found (specify -DCMAKE_LIBRARY_PATH=/path/to/snappy/lib for Snappy compression)")
endif ()
endif ()
endif ()
if (SNAPPY_INCLUDE_DIRS AND SNAPPY_LIBRARIES)
set (MONGOC_ENABLE_COMPRESSION_SNAPPY 1)
set (MONGOC_ENABLE_COMPRESSION 1)
endif ()
endif ()
if (NOT SNAPPY_INCLUDE_DIRS OR NOT SNAPPY_LIBRARIES)
set (SNAPPY_INCLUDE_DIRS "")
set (SNAPPY_LIBRARIES "")
set (MONGOC_ENABLE_COMPRESSION_SNAPPY 0)
endif ()
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