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Merge topic 'fix-hdf5-for-compiler-wrapers' 

00405af0 HDF5: Refactor the use of compiler wrappers
This commit is contained in:
Brad King 2016-05-10 14:40:45 -04:00 committed by CMake Topic Stage
parent 5fdd7d21f4 00405af0f1
commit 3b3afefb90
1 changed files with 271 additions and 112 deletions
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357
Modules/FindHDF5.cmake
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@ -120,54 +120,137 @@ else()
set(HDF5_Fortran_COMPILER_NAMES h5fc h5pfc)
endif()
# try to find the HDF5 wrapper compilers
find_program( HDF5_C_COMPILER_EXECUTABLE
NAMES ${HDF5_C_COMPILER_NAMES} NAMES_PER_DIR
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 Wrapper compiler. Used only to detect HDF5 compile flags." )
mark_as_advanced( HDF5_C_COMPILER_EXECUTABLE )
# We may have picked up some duplicates in various lists during the above
# process for the language bindings (both the C and C++ bindings depend on
# libz for example). Remove the duplicates. It appears that the default
# CMake behavior is to remove duplicates from the end of a list. However,
# for link lines, this is incorrect since unresolved symbols are searched
# for down the link line. Therefore, we reverse the list, remove the
# duplicates, and then reverse it again to get the duplicates removed from
# the beginning.
macro(_HDF5_remove_duplicates_from_beginning _list_name)
if(${_list_name})
list(REVERSE ${_list_name})
list(REMOVE_DUPLICATES ${_list_name})
list(REVERSE ${_list_name})
endif()
endmacro()
find_program( HDF5_CXX_COMPILER_EXECUTABLE
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 ${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 )
# Test first if the current compilers automatically wrap HDF5
unset(HDF5_C_COMPILER_NAMES)
unset(HDF5_CXX_COMPILER_NAMES)
unset(HDF5_Fortran_COMPILER_NAMES)
function(_HDF5_test_regular_compiler_C success version)
set(scratch_directory
${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5)
if(NOT ${success} OR
NOT EXISTS ${scratch_directory}/compiler_has_h5_c)
set(test_file ${scratch_directory}/cmake_hdf5_test.c)
file(WRITE ${test_file}
"#include <hdf5.h>\n"
"#include <hdf5_hl.h>\n"
"int main(void) {\n"
" char const* info_ver = \"INFO\" \":\" H5_VERSION;\n"
" hid_t fid;\n"
" fid = H5Fcreate(\"foo.h5\",H5F_ACC_TRUNC,H5P_DEFAULT,H5P_DEFAULT);\n"
" return 0;\n"
"}")
try_compile(${success} ${scratch_directory} ${test_file}
COPY_FILE ${scratch_directory}/compiler_has_h5_c
)
endif()
if(${success})
file(STRINGS ${scratch_directory}/compiler_has_h5_c INFO_VER
REGEX "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?"
)
string(REGEX MATCH "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?"
INFO_VER "${INFO_VER}"
)
set(${version} ${CMAKE_MATCH_1})
if(CMAKE_MATCH_3)
set(${version} ${HDF5_CXX_VERSION}.${CMAKE_MATCH_3})
endif()
set(${version} ${${version}} PARENT_SCOPE)
endif()
endfunction()
find_program( HDF5_DIFF_EXECUTABLE
NAMES h5diff
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 file differencing tool." )
mark_as_advanced( HDF5_DIFF_EXECUTABLE )
function(_HDF5_test_regular_compiler_CXX success version)
set(scratch_directory ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5)
if(NOT ${success} OR
NOT EXISTS ${scratch_directory}/compiler_has_h5_cxx)
set(test_file ${scratch_directory}/cmake_hdf5_test.cxx)
file(WRITE ${test_file}
"#include <H5Cpp.h>\n"
"#ifndef H5_NO_NAMESPACE\n"
"using namespace H5;\n"
"#endif\n"
"int main(int argc, char **argv) {\n"
" char const* info_ver = \"INFO\" \":\" H5_VERSION;\n"
" H5File file(\"foo.h5\", H5F_ACC_TRUNC);\n"
" return 0;\n"
"}")
try_compile(${success} ${scratch_directory} ${test_file}
COPY_FILE ${scratch_directory}/compiler_has_h5_cxx
)
endif()
if(${success})
file(STRINGS ${scratch_directory}/compiler_has_h5_cxx INFO_VER
REGEX "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?"
)
string(REGEX MATCH "^INFO:([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?"
INFO_VER "${INFO_VER}"
)
set(${version} ${CMAKE_MATCH_1})
if(CMAKE_MATCH_3)
set(${version} ${HDF5_CXX_VERSION}.${CMAKE_MATCH_3})
endif()
set(${version} ${${version}} PARENT_SCOPE)
endif()
endfunction()
function(_HDF5_test_regular_compiler_Fortran success)
if(NOT ${success})
set(scratch_directory
${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/hdf5)
set(test_file ${scratch_directory}/cmake_hdf5_test.f90)
file(WRITE ${test_file}
"program hdf5_hello\n"
" use hdf5\n"
" use h5lt\n"
" use h5ds\n"
" integer error\n"
" call h5open_f(error)\n"
" call h5close_f(error)\n"
"end\n")
try_compile(${success} ${scratch_directory} ${test_file})
endif()
endfunction()
# Invoke the HDF5 wrapper compiler. The compiler return value is stored to the
# return_value argument, the text output is stored to the output variable.
macro( _HDF5_invoke_compiler language output return_value )
if( HDF5_${language}_COMPILER_EXECUTABLE )
macro( _HDF5_invoke_compiler language output return_value version)
set(${version})
exec_program( ${HDF5_${language}_COMPILER_EXECUTABLE}
ARGS -show
OUTPUT_VARIABLE ${output}
RETURN_VALUE ${return_value}
)
if( ${${return_value}} EQUAL 0 )
# do nothing
else()
if(NOT ${${return_value}} EQUAL 0)
message(STATUS
"Unable to determine HDF5 ${language} flags from HDF5 wrapper.")
endif()
exec_program( ${HDF5_${language}_COMPILER_EXECUTABLE}
ARGS -showconfig
OUTPUT_VARIABLE config_output
RETURN_VALUE config_return
)
if(NOT ${return_value} EQUAL 0)
message( STATUS
"Unable to determine HDF5 ${language} version from HDF5 wrapper.")
endif()
string(REGEX MATCH "HDF5 Version: ([a-zA-Z0-9\\.\\-]*)" version_match "${config_output}")
if(version_match)
string(REPLACE "HDF5 Version: " "" ${version} "${version_match}")
string(REPLACE "-patch" "." ${version} "${${version}}")
endif()
endmacro()
@ -242,66 +325,157 @@ if( NOT HDF5_FOUND )
endif()
endif()
if( NOT HDF5_FOUND )
_HDF5_invoke_compiler( C HDF5_C_COMPILE_LINE HDF5_C_RETURN_VALUE )
_HDF5_invoke_compiler( CXX HDF5_CXX_COMPILE_LINE HDF5_CXX_RETURN_VALUE )
_HDF5_invoke_compiler( Fortran HDF5_Fortran_COMPILE_LINE HDF5_Fortran_RETURN_VALUE )
set(HDF5_HL_COMPILE_LINE ${HDF5_C_COMPILE_LINE})
set(HDF5_Fortran_HL_COMPILE_LINE ${HDF5_Fortran_COMPILE_LINE})
# seed the initial lists of libraries to find with items we know we need
set( HDF5_C_LIBRARY_NAMES_INIT hdf5 )
set( HDF5_HL_LIBRARY_NAMES_INIT hdf5_hl ${HDF5_C_LIBRARY_NAMES_INIT} )
set( HDF5_CXX_LIBRARY_NAMES_INIT hdf5_cpp ${HDF5_C_LIBRARY_NAMES_INIT} )
set( HDF5_Fortran_LIBRARY_NAMES_INIT hdf5_fortran
${HDF5_C_LIBRARY_NAMES_INIT} )
set( HDF5_Fortran_HL_LIBRARY_NAMES_INIT hdf5hl_fortran hdf5_hl
${HDF5_Fortran_LIBRARY_NAMES_INIT} )
foreach( LANGUAGE ${HDF5_LANGUAGE_BINDINGS} )
if( HDF5_${LANGUAGE}_COMPILE_LINE )
_HDF5_parse_compile_line( HDF5_${LANGUAGE}_COMPILE_LINE
HDF5_${LANGUAGE}_INCLUDE_FLAGS
HDF5_${LANGUAGE}_DEFINITIONS
HDF5_${LANGUAGE}_LIBRARY_DIRS
HDF5_${LANGUAGE}_LIBRARY_NAMES
set(_HDF5_NEED_TO_SEARCH False)
set(HDF5_COMPILER_NO_INTERROGATE True)
get_property(__langs GLOBAL PROPERTY ENABLED_LANGUAGES)
if(__langs)
# Only search for languages we've enabled
foreach(__lang IN LISTS __langs)
# First check to see if our regular compiler is one of wrappers
if(__lang STREQUAL "C")
_HDF5_test_regular_compiler_C(
HDF5_${__lang}_COMPILER_NO_INTERROGATE
HDF5_${__lang}_VERSION)
elseif(__lang STREQUAL "CXX")
_HDF5_test_regular_compiler_CXX(
HDF5_${__lang}_COMPILER_NO_INTERROGATE
HDF5_${__lang}_VERSION)
elseif(__lang STREQUAL "Fortran")
_HDF5_test_regular_compiler_Fortran(
HDF5_${__lang}_COMPILER_NO_INTERROGATE)
else()
continue()
endif()
if(HDF5_${__lang}_COMPILER_NO_INTERROGATE)
message(STATUS "HDF5: Using hdf5 compiler wrapper for all ${__lang} compiling")
set(HDF5_${__lang}_FOUND True)
set(HDF5_${__lang}_COMPILER_EXECUTABLE_NO_INTERROGATE "${CMAKE_${__lang}_COMPILER}" CACHE FILEPATH "HDF5 ${__lang} compiler wrapper")
set(HDF5_${__lang}_DEFINITIONS)
set(HDF5_${__lang}_INCLUDE_DIRS)
set(HDF5_${__lang}_LIBRARIES)
mark_as_advanced(HDF5_${__lang}_COMPILER_EXECUTABLE_NO_INTERROGATE)
mark_as_advanced(HDF5_${__lang}_DEFINITIONS)
mark_as_advanced(HDF5_${__lang}_INCLUDE_DIRS)
mark_as_advanced(HDF5_${__lang}_LIBRARIES)
else()
set(HDF5_COMPILER_NO_INTERROGATE False)
# If this language isn't using the wrapper, then try to seed the
# search options with the wrapper
find_program(HDF5_${__lang}_COMPILER_EXECUTABLE
NAMES ${HDF5_${__lang}_COMPILER_NAMES} NAMES_PER_DIR
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 ${__lang} Wrapper compiler. Used only to detect HDF5 compile flags."
)
mark_as_advanced( HDF5_${__lang}_COMPILER_EXECUTABLE )
unset(HDF5_${__lang}_COMPILER_NAMES)
# take a guess that the includes may be in the 'include' sibling
# directory of a library directory.
foreach( dir ${HDF5_${LANGUAGE}_LIBRARY_DIRS} )
list( APPEND HDF5_${LANGUAGE}_INCLUDE_FLAGS ${dir}/../include )
if(HDF5_${__lang}_COMPILER_EXECUTABLE)
_HDF5_invoke_compiler(${__lang} HDF5_${__lang}_COMPILE_LINE
HDF5_${__lang}_RETURN_VALUE HDF5_${__lang}_VERSION)
if(HDF5_${__lang}_RETURN_VALUE EQUAL 0)
message(STATUS "HDF5: Using hdf5 compiler wrapper to determine ${__lang} configuration")
_HDF5_parse_compile_line( HDF5_${__lang}_COMPILE_LINE
HDF5_${__lang}_INCLUDE_DIRS
HDF5_${__lang}_DEFINITIONS
HDF5_${__lang}_LIBRARY_DIRS
HDF5_${__lang}_LIBRARY_NAMES
)
set(HDF5_${__lang}_LIBRARIES)
foreach(L IN LISTS HDF5_${__lang}_LIBRARY_NAMES)
find_library(HDF5_${__lang}_LIBRARY_${L} ${L} ${HDF5_${__lang}_LIBRARY_DIRS})
if(HDF5_${__lang}_LIBRARY_${L})
list(APPEND HDF5_${__lang}_LIBRARIES ${HDF5_${__lang}_LIBRARY_${L}})
else()
list(APPEND HDF5_${__lang}_LIBRARIES ${L})
endif()
endforeach()
set(HDF5_${__lang}_FOUND True)
mark_as_advanced(HDF5_${__lang}_DEFINITIONS)
mark_as_advanced(HDF5_${__lang}_INCLUDE_DIRS)
mark_as_advanced(HDF5_${__lang}_LIBRARIES)
_HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_DEFINITIONS)
_HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_INCLUDE_DIRS)
_HDF5_remove_duplicates_from_beginning(HDF5_${__lang}_LIBRARIES)
else()
set(_HDF5_NEED_TO_SEARCH True)
endif()
else()
set(_HDF5_NEED_TO_SEARCH True)
endif()
endif()
if(HDF5_${__lang}_VERSION)
if(NOT HDF5_VERSION)
set(HDF5_VERSION ${HDF5_${__lang}_VERSION})
elseif(NOT HDF5_VERSION VERSION_EQUAL HDF5_${__lang}_VERSION)
message(WARNING "HDF5 Version found for language ${__lang}, ${HDF5_${__lang}_VERSION} is different than previously found version ${HDF5_VERSION}")
endif()
endif()
endforeach()
endif()
# set the definitions for the language bindings.
list( APPEND HDF5_DEFINITIONS ${HDF5_${LANGUAGE}_DEFINITIONS} )
if(HDF5_COMPILER_NO_INTERROGATE)
# No arguments necessary, all languages can use the compiler wrappers
set(HDF5_FOUND True)
set(HDF5_METHOD "Included by compiler wrappers")
set(HDF5_REQUIRED_VARS HDF5_METHOD)
elseif(NOT _HDF5_NEED_TO_SEARCH)
# Compiler wrappers aren't being used by the build but were found and used
# to determine necessary include and library flags
set(HDF5_INCLUDE_DIRS)
set(HDF5_LIBRARIES)
foreach(__lang IN LISTS __langs)
if(HDF5_${__lang}_FOUND)
if(NOT HDF5_${__lang}_COMPILER_NO_INTERROGATE)
list(APPEND HDF5_DEFINITIONS ${HDF5_${__lang}_DEFINITIONS})
list(APPEND HDF5_INCLUDE_DIRS ${HDF5_${__lang}_INCLUDE_DIRS})
list(APPEND HDF5_LIBRARIES ${HDF5_${__lang}_LIBRARIES})
endif()
endif()
endforeach()
_HDF5_remove_duplicates_from_beginning(HDF5_DEFINITIONS)
_HDF5_remove_duplicates_from_beginning(HDF5_INCLUDE_DIRS)
_HDF5_remove_duplicates_from_beginning(HDF5_LIBRARIES)
set(HDF5_FOUND True)
set(HDF5_REQUIRED_VARS HDF5_LIBRARIES)
endif()
find_program( HDF5_DIFF_EXECUTABLE
NAMES h5diff
HINTS ENV HDF5_ROOT
PATH_SUFFIXES bin Bin
DOC "HDF5 file differencing tool." )
mark_as_advanced( HDF5_DIFF_EXECUTABLE )
if( NOT HDF5_FOUND )
# seed the initial lists of libraries to find with items we know we need
set(HDF5_C_LIBRARY_NAMES hdf5)
set(HDF5_C_HL_LIBRARY_NAMES hdf5_hl ${HDF5_C_LIBRARY_NAMES_INIT})
set(HDF5_CXX_LIBRARY_NAMES hdf5_cpp ${HDF5_C_LIBRARY_NAMES_INIT})
set(HDF5_CXX_HL_LIBRARY_NAMES hdf5_hl_cpp ${HDF5_C_HL_LIBRARY_NAMES_INIT} ${HDF5_CXX_LIBRARY_NAMES_INIT})
set(HDF5_Fortran_LIBRARY_NAMES hdf5_fortran ${HDF5_C_LIBRARY_NAMES_INIT})
set(HDF5_Fortran_HL_LIBRARY_NAMES hdf5hl_fortran ${HDF5_C_HL_LIBRARY_NAMES_INIT} ${HDF5_Fortran_LIBRARY_NAMES_INIT})
foreach( LANGUAGE ${HDF5_LANGUAGE_BINDINGS} )
# find the HDF5 include directories
if(${LANGUAGE} MATCHES "Fortran")
if(LANGUAGE STREQUAL "Fortran")
set(HDF5_INCLUDE_FILENAME hdf5.mod)
elseif(LANGUAGE STREQUAL "CXX")
set(HDF5_INCLUDE_FILENAME H5Cpp.h)
else()
set(HDF5_INCLUDE_FILENAME hdf5.h)
endif()
find_path(HDF5_${LANGUAGE}_INCLUDE_DIR ${HDF5_INCLUDE_FILENAME}
HINTS
${HDF5_${LANGUAGE}_INCLUDE_FLAGS}
ENV
HDF5_ROOT
PATHS
$ENV{HOME}/.local/include
PATH_SUFFIXES
include
Include
HINTS $ENV{HDF5_ROOT}
PATHS $ENV{HOME}/.local/include
PATH_SUFFIXES include Include
)
mark_as_advanced(HDF5_${LANGUAGE}_INCLUDE_DIR)
list( APPEND HDF5_INCLUDE_DIRS ${HDF5_${LANGUAGE}_INCLUDE_DIR} )
set( HDF5_${LANGUAGE}_LIBRARY_NAMES
${HDF5_${LANGUAGE}_LIBRARY_NAMES_INIT}
${HDF5_${LANGUAGE}_LIBRARY_NAMES} )
# find the HDF5 libraries
foreach( LIB ${HDF5_${LANGUAGE}_LIBRARY_NAMES} )
if( UNIX AND HDF5_USE_STATIC_LIBRARIES )
@ -336,26 +510,8 @@ if( NOT HDF5_FOUND )
list(APPEND HDF5_LIBRARIES ${HDF5_${LANGUAGE}_LIBRARIES})
endforeach()
# We may have picked up some duplicates in various lists during the above
# process for the language bindings (both the C and C++ bindings depend on
# libz for example). Remove the duplicates. It appears that the default
# CMake behavior is to remove duplicates from the end of a list. However,
# for link lines, this is incorrect since unresolved symbols are searched
# for down the link line. Therefore, we reverse the list, remove the
# duplicates, and then reverse it again to get the duplicates removed from
# the beginning.
macro( _remove_duplicates_from_beginning _list_name )
list( REVERSE ${_list_name} )
list( REMOVE_DUPLICATES ${_list_name} )
list( REVERSE ${_list_name} )
endmacro()
if( HDF5_INCLUDE_DIRS )
_remove_duplicates_from_beginning( HDF5_INCLUDE_DIRS )
endif()
if( HDF5_LIBRARY_DIRS )
_remove_duplicates_from_beginning( HDF5_LIBRARY_DIRS )
endif()
_HDF5_remove_duplicates_from_beginning(HDF5_INCLUDE_DIRS)
_HDF5_remove_duplicates_from_beginning(HDF5_LIBRARY_DIRS)
# If the HDF5 include directory was found, open H5pubconf.h to determine if
# HDF5 was compiled with parallel IO support
@ -376,8 +532,11 @@ if( NOT HDF5_FOUND )
HDF5_VERSION_DEFINE
REGEX "^[ \t]*#[ \t]*define[ \t]+H5_VERSION[ \t]+" )
if( "${HDF5_VERSION_DEFINE}" MATCHES
"H5_VERSION[ \t]+\"([0-9]+\\.[0-9]+\\.[0-9]+).*\"" )
"H5_VERSION[ \t]+\"([0-9]+\\.[0-9]+\\.[0-9]+)(-patch([0-9]+))?\"" )
set( HDF5_VERSION "${CMAKE_MATCH_1}" )
if( CMAKE_MATCH_3 )
set( HDF5_VERSION ${HDF5_VERSION}.${CMAKE_MATCH_3})
endif()
endif()
unset(HDF5_VERSION_DEFINE)
endif()
@ -392,10 +551,10 @@ if( NOT HDF5_FOUND )
if( HDF5_INCLUDE_DIRS )
set( HDF5_INCLUDE_DIR "${HDF5_INCLUDE_DIRS}" )
endif()
set(HDF5_REQUIRED_VARS HDF5_LIBRARIES HDF5_INCLUDE_DIRS)
endif()
find_package_handle_standard_args(HDF5
REQUIRED_VARS HDF5_LIBRARIES HDF5_INCLUDE_DIRS
REQUIRED_VARS ${HDF5_REQUIRED_VARS}
VERSION_VAR HDF5_VERSION
)