diff options
Diffstat (limited to 'config/cmake/ConfigureChecks.cmake')
| -rw-r--r-- | config/cmake/ConfigureChecks.cmake | 124 |
1 files changed, 71 insertions, 53 deletions
diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake index 25de5b0..c088926 100644 --- a/config/cmake/ConfigureChecks.cmake +++ b/config/cmake/ConfigureChecks.cmake @@ -363,56 +363,6 @@ endif () HDF_CHECK_TYPE_SIZE (time_t ${HDF_PREFIX}_SIZEOF_TIME_T) #----------------------------------------------------------------------------- -# Check if _Float16 type is available -#----------------------------------------------------------------------------- -HDF_CHECK_TYPE_SIZE (_Float16 ${HDF_PREFIX}_SIZEOF__FLOAT16) -if (${HDF_PREFIX}_SIZEOF__FLOAT16) - # Ask for _Float16 support - set (CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} "-D__STDC_WANT_IEC_60559_TYPES_EXT__") - - # Some compilers expose the _Float16 datatype, but not the macros and - # functions used with the datatype. We need the macros for proper - # datatype conversion support. The main function we're interested in - # is fabsf16. Check for these here. - CHECK_SYMBOL_EXISTS (FLT16_EPSILON "float.h" h5_have_flt16_epsilon) - CHECK_SYMBOL_EXISTS (FLT16_MIN "float.h" h5_have_flt16_min) - CHECK_SYMBOL_EXISTS (FLT16_MAX "float.h" h5_have_flt16_max) - CHECK_SYMBOL_EXISTS (FLT16_MIN_10_EXP "float.h" h5_have_flt16_min_10_exp) - CHECK_SYMBOL_EXISTS (FLT16_MAX_10_EXP "float.h" h5_have_flt16_max_10_exp) - CHECK_SYMBOL_EXISTS (FLT16_MANT_DIG "float.h" h5_have_flt16_mant_dig) - - if (h5_have_flt16_epsilon AND h5_have_flt16_min AND - h5_have_flt16_max AND h5_have_flt16_min_10_exp AND - h5_have_flt16_max_10_exp AND h5_have_flt16_mant_dig) - # Finally, some compilers like OneAPI on MSVC appear to just be broken, - # as support for _Float16 and its macros can be detected properly, but - # then code is generated that uses the __truncsfhf2, __truncdfhf2, - # __extendhfsf2 functions, which end up being unresolved with MSVC. Let's - # try to compile a program that will generate these functions as a last - # resort for checking for _Float16 support. - message (VERBOSE "Compiling test program for _Float16 support") - try_compile ( - h5_compiled_float16_test - ${CMAKE_BINARY_DIR} - ${HDF_RESOURCES_DIR}/HDFTests.c - COMPILE_DEFINITIONS "-DCHECK_FLOAT16" - C_STANDARD 99 - ) - - if (${h5_compiled_float16_test}) - set (${HDF_PREFIX}_HAVE__FLOAT16 1) - - # Check if we can use fabsf16 - CHECK_FUNCTION_EXISTS (fabsf16 ${HDF_PREFIX}_HAVE_FABSF16) - endif () - else () - set (${HDF_PREFIX}_HAVE__FLOAT16 0) - endif () -else () - set (${HDF_PREFIX}_HAVE__FLOAT16 0) -endif () - -#----------------------------------------------------------------------------- # Extra C99 types #----------------------------------------------------------------------------- @@ -941,7 +891,8 @@ macro (H5ConversionTests TEST def msg) ${CMAKE_BINARY_DIR} ${HDF_RESOURCES_DIR}/ConversionTests.c CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=-D${TEST}_TEST - OUTPUT_VARIABLE OUTPUT + COMPILE_OUTPUT_VARIABLE ${TEST}_COMPILE_OUTPUT + RUN_OUTPUT_VARIABLE ${TEST}_RUN_OUTPUT ) if (${TEST}_COMPILE) if (${TEST}_RUN EQUAL "0") @@ -951,14 +902,17 @@ macro (H5ConversionTests TEST def msg) set (${TEST} "" CACHE INTERNAL ${msg}) message (VERBOSE "${msg}... no") file (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log - "Test ${TEST} Run failed with the following output and exit code:\n ${OUTPUT}\n" + "Test ${TEST} Compile succeeded with the following output:\n ${${TEST}_COMPILE_OUTPUT}\n" + ) + file (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log + "Test ${TEST} Run failed with exit code ${${TEST}_RUN} and with the following output:\n ${${TEST}_RUN_OUTPUT}\n" ) endif () else () set (${TEST} "" CACHE INTERNAL ${msg}) message (VERBOSE "${msg}... no") file (APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log - "Test ${TEST} Compile failed with the following output:\n ${OUTPUT}\n" + "Test ${TEST} Compile failed with the following output:\n ${${TEST}_COMPILE_OUTPUT}\n" ) endif () else () @@ -1020,3 +974,67 @@ H5ConversionTests (${HDF_PREFIX}_LLONG_TO_LDOUBLE_CORRECT TRUE "Checking IF corr # some long double values #----------------------------------------------------------------------------- H5ConversionTests (${HDF_PREFIX}_DISABLE_SOME_LDOUBLE_CONV FALSE "Checking IF the cpu is power9 and cannot correctly converting long double values") + +#----------------------------------------------------------------------------- +# Check if _Float16 type is available +#----------------------------------------------------------------------------- +HDF_CHECK_TYPE_SIZE (_Float16 ${HDF_PREFIX}_SIZEOF__FLOAT16) +if (${HDF_PREFIX}_SIZEOF__FLOAT16) + # Request _Float16 support + set (CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} "-D__STDC_WANT_IEC_60559_TYPES_EXT__") + + # Some compilers expose the _Float16 datatype, but not the macros and + # functions used with the datatype. We need the macros for proper + # datatype conversion support. The main function we're interested in + # is fabsf16. Check for these here. + CHECK_SYMBOL_EXISTS (FLT16_EPSILON "float.h" h5_have_flt16_epsilon) + CHECK_SYMBOL_EXISTS (FLT16_MIN "float.h" h5_have_flt16_min) + CHECK_SYMBOL_EXISTS (FLT16_MAX "float.h" h5_have_flt16_max) + CHECK_SYMBOL_EXISTS (FLT16_MIN_10_EXP "float.h" h5_have_flt16_min_10_exp) + CHECK_SYMBOL_EXISTS (FLT16_MAX_10_EXP "float.h" h5_have_flt16_max_10_exp) + CHECK_SYMBOL_EXISTS (FLT16_MANT_DIG "float.h" h5_have_flt16_mant_dig) + + if (h5_have_flt16_epsilon AND h5_have_flt16_min AND + h5_have_flt16_max AND h5_have_flt16_min_10_exp AND + h5_have_flt16_max_10_exp AND h5_have_flt16_mant_dig) + # Some compilers like OneAPI on MSVC appear to just be broken, as support + # for _Float16 and its macros can be detected properly, but then code is + # generated that uses the __truncsfhf2, __truncdfhf2, __extendhfsf2 functions, + # which end up being unresolved with MSVC. Let's try to compile a program + # that will generate these functions to check for _Float16 support. + message (STATUS "Compiling test program to check for _Float16 support") + try_compile ( + h5_compiled_float16_test + ${CMAKE_BINARY_DIR} + ${HDF_RESOURCES_DIR}/HDFTests.c + COMPILE_DEFINITIONS "-DCHECK_FLOAT16" + C_STANDARD 99 + ) + + if (${h5_compiled_float16_test}) + # Finally, MacOS 13 appears to have a bug specifically when converting + # long double values to _Float16. Release builds of the dt_arith test + # would cause any assignments to a _Float16 variable to be elided, + # whereas Debug builds would perform incorrect hardware conversions by + # simply chopping off all the bytes of the value except for the first 2. + # These tests pass on MacOS 14, so let's perform a quick test to check + # if the hardware conversion is done correctly. + H5ConversionTests ( + ${HDF_PREFIX}_LDOUBLE_TO_FLOAT16_CORRECT + TRUE + "Checking if correctly converting long double to _Float16 values" + ) + + set (${HDF_PREFIX}_HAVE__FLOAT16 1) + + # Check if we can use fabsf16 + CHECK_FUNCTION_EXISTS (fabsf16 ${HDF_PREFIX}_HAVE_FABSF16) + else () + message (STATUS "Failed to compile test program to check for _Float16 support") + endif () + else () + set (${HDF_PREFIX}_HAVE__FLOAT16 0) + endif () +else () + set (${HDF_PREFIX}_HAVE__FLOAT16 0) +endif () |