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Add autotools config files for NVIDIA compilers, always add -fPIC flag for nvfortran. #3642

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Add autotools config files for NVIDIA compilers, always add -fPIC flag for nvfortran. #3642

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8161c3a
Always add -fPIC flag for nvfortran.
lrknox Oct 6, 2023
82f4c88
Differentiate debeu and non-debug nvidia compiler flags.
lrknox Oct 10, 2023
2f5d6cf
Merge branch 'develop' of https://github.com/HDFGroup/hdf5 into nvidi…
lrknox Oct 12, 2023
269c3de
Add missing compiler flags for NVHPC without duplicating flags already
lrknox Oct 12, 2023
d9e42ff
Update flags for NVIDIA compilers in CMake builds.
lrknox Oct 16, 2023
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11 changes: 10 additions & 1 deletion config/cmake/HDFCXXCompilerFlags.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,15 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro AND CMAKE_CXX_COMPILER_LOADED)
endif ()
endif ()

if (CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Minform=warn")
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c++11 flag should have a CMake option available.

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if (CMAKE_CXX_COMPILER_ID STREQUAL "NVHPC" AND CMAKE_CXX_COMPILER_LOADED)
if (NOT DEFINED CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION)
if (NOT CMAKE_CXX_STANDARD OR CMAKE_CXX_STANDARD EQUAL 11)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_C11_STANDARD_COMPILE_OPTION}")
endif ()
endif ()
endif ()

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Added this code.

if (NOT ${HDF_CFG_NAME} MATCHES "Debug" AND NOT ${HDF_CFG_NAME} MATCHES "Developer")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O4")
else ()
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Mbounds -gopt -O2")
endif ()
endif ()

if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}")
if (${HDF_CFG_NAME} MATCHES "Debug" OR ${HDF_CFG_NAME} MATCHES "Developer")
Expand Down Expand Up @@ -97,7 +106,7 @@ if (HDF5_DISABLE_COMPILER_WARNINGS)
endif ()

#-----------------------------------------------------------------------------
# HDF5 library compile options
# HDF5 library compile options - to be made available to all targets
#-----------------------------------------------------------------------------

if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
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11 changes: 10 additions & 1 deletion config/cmake/HDFCompilerFlags.cmake
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Expand Up @@ -47,6 +47,15 @@ if(_CLANG_MSVC_WINDOWS AND "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGN
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Xlinker -stack:20000000")
endif()

if(CMAKE_C_COMPILER_ID STREQUAL "NVHPC" )
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Minform=warn")
if (NOT ${HDF_CFG_NAME} MATCHES "Debug" AND NOT ${HDF_CFG_NAME} MATCHES "Developer")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fast -O4")
else ()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Mbounds -O2")
endif ()
endif()

if (CMAKE_COMPILER_IS_GNUCC)
set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}")
if (${HDF_CFG_NAME} MATCHES "Debug" OR ${HDF_CFG_NAME} MATCHES "Developer")
Expand Down Expand Up @@ -106,7 +115,7 @@ if (HDF5_DISABLE_COMPILER_WARNINGS)
endif ()

#-----------------------------------------------------------------------------
# HDF5 library compile options
# HDF5 library compile options - to be made available to all targets
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
Expand Down
11 changes: 10 additions & 1 deletion config/cmake/HDFFortranCompilerFlags.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ if (HDF5_DISABLE_COMPILER_WARNINGS)
endif ()

#-----------------------------------------------------------------------------
# HDF5 library compile options
# HDF5 library compile options - to be made available to all targets
#-----------------------------------------------------------------------------
if (CMAKE_Fortran_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 10.0)
if (HDF5_ENABLE_BUILD_DIAGS)
Expand All @@ -57,6 +57,15 @@ if (CMAKE_Fortran_COMPILER_ID STREQUAL "NAG")
list (APPEND HDF5_CMAKE_Fortran_FLAGS "-ieee=full")
endif ()

if (CMAKE_Fortran_COMPILER_ID STREQUAL "NVHPC")
set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fPIC")
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This might not be needed as CMake should handle this flag.

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Yes, it does

if (NOT ${HDF_CFG_NAME} MATCHES "Debug" AND NOT ${HDF_CFG_NAME} MATCHES "Developer")
set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fast -Mnoframe")
else ()
set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Mbounds -Mchkptr -Mdclchk")
endif ()
endif ()

if (NOT MSVC AND NOT MINGW)
# General flags
if (CMAKE_Fortran_COMPILER_ID STREQUAL "Intel")
Expand Down
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