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# Don't cache HDF5_*. Otherwise it will use the cached value without searching.
unset(HDF5_DIR CACHE)
unset(HDF5_INCLUDE_DIRS CACHE)
unset(HDF5_CXX_LIBRARY_hdf5 CACHE)
unset(HDF5_CXX_LIBRARY_hdf5_cpp CACHE)
if(NOT BUILD_WITH_HDF5)
set(HDF5_FOUND FALSE)
return()
endif(NOT BUILD_WITH_HDF5)
# Case 1. external hdf5
if(DEFINED EXT_HDF5_DIR)
find_path(HDF5_INCLUDE_DIRS NAMES H5Cpp.h NO_CMAKE_FIND_ROOT_PATH PATHS "${EXT_HDF5_DIR}/include")
find_library(HDF5_CXX_LIBRARY_hdf5 NAMES libhdf5.a PATHS "${EXT_HDF5_DIR}/lib")
find_library(HDF5_CXX_LIBRARY_hdf5_cpp NAMES libhdf5_cpp.a PATHS "${EXT_HDF5_DIR}/lib")
if (NOT (HDF5_INCLUDE_DIRS AND HDF5_CXX_LIBRARY_hdf5 AND HDF5_CXX_LIBRARY_hdf5_cpp))
message(WARNING "Failed to find H5Cpp.h or libhdf5.a or libhdf5_cpp.a")
set(HDF5_FOUND FALSE)
return()
else()
# message(FATAL_ERROR "0=${HDF5_INCLUDE_DIRS},1=${HDF5_CXX_LIBRARIES}")
set(HDF5_FOUND TRUE)
list(APPEND HDF5_CXX_LIBRARIES ${HDF5_CXX_LIBRARY_hdf5_cpp} ${HDF5_CXX_LIBRARY_hdf5})
return()
endif()
endif()
# Case 2. search pre-installed locations (by apt, brew, ...)
if(NOT CMAKE_CROSSCOMPILING)
find_package(HDF5 COMPONENTS CXX QUIET)
else()
find_path(HDF5_INCLUDE_DIRS NAMES hdf5.h ONLY_CMAKE_FIND_ROOT_PATH PATH_SUFFIXES include/hdf5/serial)
if (NOT HDF5_INCLUDE_DIRS)
set(HDF5_FOUND FALSE)
return()
endif()
if(HDF5_USE_STATIC_LIBRARIES)
find_library(HDF5_CXX_LIBRARY_hdf5 libhdf5.a)
find_library(HDF5_CXX_LIBRARY_hdf5_cpp libhdf5_cpp.a)
else(HDF5_USE_STATIC_LIBRARIES)
find_library(HDF5_CXX_LIBRARY_hdf5 libhdf5.so)
find_library(HDF5_CXX_LIBRARY_hdf5_cpp libhdf5_cpp.so)
endif(HDF5_USE_STATIC_LIBRARIES)
if (NOT (HDF5_CXX_LIBRARY_hdf5 AND HDF5_CXX_LIBRARY_hdf5_cpp))
set(HDF5_FOUND FALSE)
return()
endif()
# We can use "hdf5" and "hdf5_cpp" to use the same file founded with above.
list(APPEND HDF5_CXX_LIBRARIES "hdf5" "hdf5_cpp" "sz" "z" "dl" "m")
# Append missing libaec which is required by libsz, which is required by libhdf5
list(APPEND HDF5_CXX_LIBRARIES "aec")
set(HDF5_FOUND TRUE)
endif()
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