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FindHDF5: Add NAMES_PER_DIR and introduce HDF5_PREFER_PARALLEL 

The calls to find_program now use NAMES_PER_DIR so that the first executable
(e.g. h5pcc) appearing on their PATH will get chosen. The HDF5_PREFER_PARALLEL
variable swaps the search order when it is set to true in the event that a
directory being search contains both h5cc and h5pcc.
This commit is contained in:
Paul Romano 2015-09-12 00:07:05 +08:00 committed by Brad King
parent 8e8824149f
commit fd26a19afc
2 changed files with 30 additions and 4 deletions
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6
Help/release/dev/FindHDF5-updates.rst Normal file
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@ -0,0 +1,6 @@
FindHDF5-updates
----------------
* The :module:`FindHDF5` module learend a new ``HDF5_PREFER_PARALLEL``
option allowing users to specify that a parallel HDF5 tool is
preferred if both are available.

28
Modules/FindHDF5.cmake
View File

@ -31,6 +31,12 @@
# Find module will then look in this path when searching for HDF5
# executables, paths, and libraries.
#
# Both the serial and parallel HDF5 wrappers are considered and the first
# directory to contain either one will be used. In the event that both appear
# in the same directory the serial version is preferentially selected. This
# behavior can be reversed by setting the variable HDF5_PREFER_PARALLEL to
# true.
#
# In addition to finding the includes and libraries required to compile
# an HDF5 client application, this module also makes an effort to find
# tools that come with the HDF5 distribution that may be useful for
@ -103,28 +109,43 @@ else()
endforeach()
endif()
# Determine whether to search for serial or parallel executable first
if(HDF5_PREFER_PARALLEL)
set(HDF5_C_COMPILER_NAMES h5pcc h5cc)
set(HDF5_CXX_COMPILER_NAMES h5pc++ h5c++)
set(HDF5_Fortran_COMPILER_NAMES h5pfc h5fc)
else()
set(HDF5_C_COMPILER_NAMES h5cc h5pcc)
set(HDF5_CXX_COMPILER_NAMES h5c++ h5pc++)
set(HDF5_Fortran_COMPILER_NAMES h5fc h5pfc)
endif()
# try to find the HDF5 wrapper compilers
find_program( HDF5_C_COMPILER_EXECUTABLE
NAMES h5cc h5pcc
NAMES ${HDF5_C_COMPILER_NAMES} NAMES_PER_DIR
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 Wrapper compiler. Used only to detect HDF5 compile flags." )
mark_as_advanced( HDF5_C_COMPILER_EXECUTABLE )
find_program( HDF5_CXX_COMPILER_EXECUTABLE
NAMES h5c++ h5pc++
NAMES ${HDF5_CXX_COMPILER_NAMES} NAMES_PER_DIR
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 C++ Wrapper compiler. Used only to detect HDF5 compile flags." )
mark_as_advanced( HDF5_CXX_COMPILER_EXECUTABLE )
find_program( HDF5_Fortran_COMPILER_EXECUTABLE
NAMES h5fc h5pfc
NAMES ${HDF5_Fortran_COMPILER_NAMES} NAMES_PER_DIR
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 Fortran Wrapper compiler. Used only to detect HDF5 compile flags." )
mark_as_advanced( HDF5_Fortran_COMPILER_EXECUTABLE )
unset(HDF5_C_COMPILER_NAMES)
unset(HDF5_CXX_COMPILER_NAMES)
unset(HDF5_Fortran_COMPILER_NAMES)
find_program( HDF5_DIFF_EXECUTABLE
NAMES h5diff
HINTS ENV HDF5_ROOT
@ -378,4 +399,3 @@ find_package_handle_standard_args( HDF5
REQUIRED_VARS HDF5_LIBRARIES HDF5_INCLUDE_DIRS
VERSION_VAR HDF5_VERSION
)