diff options
Diffstat (limited to 'config/cmake/HDFCompilerFlags.cmake')
| -rw-r--r-- | config/cmake/HDFCompilerFlags.cmake | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake new file mode 100644 index 0000000..504c163 --- /dev/null +++ b/config/cmake/HDFCompilerFlags.cmake @@ -0,0 +1,386 @@ +# +# Copyright by The HDF Group. +# All rights reserved. +# +# This file is part of HDF5. The full HDF5 copyright notice, including +# terms governing use, modification, and redistribution, is contained in +# the COPYING file, which can be found at the root of the source code +# distribution tree, or in https://www.hdfgroup.org/licenses. +# If you do not have access to either file, you may request a copy from +# help@hdfgroup.org. +# +set(CMAKE_C_STANDARD 99) +set(CMAKE_C_STANDARD_REQUIRED TRUE) + +set (CMAKE_C_FLAGS "${CMAKE_C99_STANDARD_COMPILE_OPTION} ${CMAKE_C_FLAGS}") +set (CMAKE_C_FLAGS "${CMAKE_C_SANITIZER_FLAGS} ${CMAKE_C_FLAGS}") +message (VERBOSE "Warnings Configuration: C default: ${CMAKE_C_FLAGS}") +#----------------------------------------------------------------------------- +# Compiler specific flags : Shouldn't there be compiler tests for these +#----------------------------------------------------------------------------- +if(WIN32 AND CMAKE_C_COMPILER_ID STREQUAL "Intel") + set(_INTEL_WINDOWS 1) +endif() + +if(WIN32 AND CMAKE_C_COMPILER_ID MATCHES "[Cc]lang" AND "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC") + set(_CLANG_MSVC_WINDOWS 1) +endif() + +# Disable deprecation warnings for standard C functions. +# really only needed for newer versions of VS, but should +# not hurt other versions, and this will work into the +# future +if(MSVC OR _INTEL_WINDOWS OR _CLANG_MSVC_WINDOWS) + add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE) +endif() + +if(MSVC) + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stack:10000000") +endif() + +# MSVC 14.28 enables C5105, but the Windows SDK 10.0.18362.0 triggers it. +if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 19.28) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -wd5105") +endif() + +if(_CLANG_MSVC_WINDOWS AND "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU") + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Xlinker -stack:20000000") +endif() + +if (CMAKE_COMPILER_IS_GNUCC) + set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}") + if (${HDF_CFG_NAME} MATCHES "Debug" OR ${HDF_CFG_NAME} MATCHES "Developer") + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Og -ftrapv -fno-common") + endif () + else () + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstdarg-opt") + endif () + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 10.0) + #----------------------------------------------------------------------------- + # Option to allow the user to enable build extended diagnostics + # + # This should NOT be on by default as it can cause process issues. + #----------------------------------------------------------------------------- + option (HDF5_ENABLE_BUILD_DIAGS "Enable color and URL extended diagnostic messages" OFF) + if (HDF5_ENABLE_BUILD_DIAGS) + message (STATUS "... default color and URL extended diagnostic messages enabled") + else () + message (STATUS "... disable color and URL extended diagnostic messages") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fdiagnostics-urls=never -fno-diagnostics-color") + endif () + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to disable compiler warnings +#----------------------------------------------------------------------------- +option (HDF5_DISABLE_COMPILER_WARNINGS "Disable compiler warnings" OFF) +if (HDF5_DISABLE_COMPILER_WARNINGS) + message (STATUS "....Compiler warnings are suppressed") + # MSVC uses /w to suppress warnings. It also complains if another + # warning level is given, so remove it. + if (MSVC) + set (HDF5_WARNINGS_BLOCKED 1) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W0") + endif () + if (WIN32) + add_definitions (-D_CRT_SECURE_NO_WARNINGS) + endif () + # Borland uses -w- to suppress warnings. + if (BORLAND) + set (HDF5_WARNINGS_BLOCKED 1) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-") + endif () + + # Most compilers use -w to suppress warnings. + if (NOT HDF5_WARNINGS_BLOCKED) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w") + endif () +endif () + +#----------------------------------------------------------------------------- +# HDF5 library compile options +#----------------------------------------------------------------------------- + +#----------------------------------------------------------------------------- +# Option to allow the user to interpret certain warnings as errors +# +# This should NOT be on by default as it can cause a lot of conflicts with +# new operating systems and compiler versions. Header files that are out of +# our control (MPI, HDFS, etc.) can also raise warnings. +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_WARNINGS_AS_ERRORS "Interpret some warnings as errors" OFF) +if (HDF5_ENABLE_WARNINGS_AS_ERRORS) + message (STATUS "...some warnings will be interpreted as errors") +endif () + +if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") + list (APPEND HDF5_CMAKE_C_FLAGS "-erroff=%none -DBSD_COMP") +else () + # General flags + # + # Note that some of the flags listed here really should be developer + # flags (listed in a separate variable, below) but we put them here + # because they are not raised by the current code and we'd like to + # know if they do start showing up. + # + # NOTE: Don't add -Wpadded here since we can't/won't fix the (many) + # warnings that are emitted. If you need it, add it at configure time. + if (CMAKE_C_COMPILER_ID STREQUAL "Intel") + if (_INTEL_WINDOWS) + ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/win-general") + else () + ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/general") + endif() + if (NOT _INTEL_WINDOWS) + if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/15") + endif() + # this is just a failsafe + list (APPEND H5_CFLAGS "-finline-functions") + if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 18.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/18") + endif() + endif() + elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU") + # Add general CFlags for GCC versions 4.8 and above + if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) + ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general") + endif () + # gcc automatically inlines based on the optimization level + # this is just a failsafe + list (APPEND H5_CFLAGS "-finline-functions") + elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang") + ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/error-general") + elseif (CMAKE_C_COMPILER_ID STREQUAL "PGI") + list (APPEND HDF5_CMAKE_C_FLAGS "-Minform=inform") + endif () + message (VERBOSE "CMAKE_C_FLAGS_GENERAL=${HDF5_CMAKE_C_FLAGS}") +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable developer warnings +# Developer warnings (suggestions from gcc, not code problems) +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_DEV_WARNINGS "Enable HDF5 developer group warnings" OFF) +if (${HDF_CFG_NAME} MATCHES "Developer") + # Developer build modes should always have these types of warnings enabled + set (HDF5_ENABLE_DEV_WARNINGS ON CACHE BOOL "Enable HDF5 developer group warnings" FORCE) +endif () +if (HDF5_ENABLE_DEV_WARNINGS) + message (STATUS "....HDF5 developer group warnings are enabled") + if (CMAKE_C_COMPILER_ID STREQUAL "Intel") + if (_INTEL_WINDOWS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/win-developer-general") + else () + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/developer-general") + endif () + elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general") + elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general") + endif () +else () + if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general") + elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general") + endif () +endif () + +if (CMAKE_C_COMPILER_ID STREQUAL "GNU") + # Technically, variable-length arrays are part of the C99 standard, but + # we should approach them a bit cautiously... Only needed for gcc 4.X + if (CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0 AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8-4.last") + endif () + + # Append more extra warning flags that only gcc 4.8+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8") + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.8") + else () + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.8") + endif () + endif () + + # Append more extra warning flags that only gcc 4.9+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.9") + endif () + + # Append more extra warning flags that only gcc 5.x+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/5") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-5") + endif () + + # Append more extra warning flags that only gcc 6.x+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/6") + endif () + + # Append more extra warning flags that only gcc 7.x+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/7") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-7") + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7") + #else () + # ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7") + endif () + endif () + + # Append more extra warning flags that only gcc 8.x+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-8") + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8") + else () + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8") + endif () + endif () + + # Append more extra warning flags that only gcc 9.x+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9") + endif () + + # Append more extra warning flags that only gcc 9.3+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.3) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9.3") + endif () + + # Append more extra warning flags that only gcc 10.x+ knows about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 10.0) + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-10") + #else () + # ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-10") + endif () + endif () + + # Append more extra warning flags that only gcc 12.x+ knows about + # or which should only be enabled for gcc 12.x+ + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 12.0) + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-12") + #else () + # ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-12") + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable debug output +# from various HDF5 modules +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_DEBUG_APIS "Turn on extra debug output in all packages" OFF) +if (HDF5_ENABLE_DEBUG_APIS) + # Add standard debug definitions to any existing ones + list (APPEND HDF5_DEBUG_APIS + H5AC_DEBUG + H5CX_DEBUG + H5D_DEBUG + H5D_CHUNK_DEBUG + H5F_DEBUG + H5HL_DEBUG + H5I_DEBUG + H5O_DEBUG + H5S_DEBUG + H5T_DEBUG + H5Z_DEBUG + ) +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable all warnings +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" ON) +if (HDF5_ENABLE_ALL_WARNINGS) + message (STATUS "....All Warnings are enabled") + if (MSVC) + if (HDF5_ENABLE_DEV_WARNINGS) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + list (APPEND HDF5_CMAKE_C_FLAGS "/Wall" "/wd4668") + else () + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + list (APPEND HDF5_CMAKE_C_FLAGS "/W3" "/wd4100" "/wd4706" "/wd4127") + endif () + else () + list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS}) + endif () +endif () + +#----------------------------------------------------------------------------- +# This is in here to help some of the GCC based IDES like Eclipse +# and code blocks parse the compiler errors and warnings better. +#----------------------------------------------------------------------------- +if (CMAKE_COMPILER_IS_GNUCC) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fmessage-length=0") +endif () + +#----------------------------------------------------------------------------- +# Option for --enable-asserts +# By default, CMake adds NDEBUG to CMAKE_${lang}_FLAGS for Release build types +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +#option (HDF5_ENABLE_ASSERTS "Determines whether NDEBUG is defined to control assertions." OFF) +set (HDF5_ENABLE_ASSERTS "OFF" CACHE STRING "Determines whether NDEBUG is defined to control assertions (OFF NO YES)") +set_property (CACHE HDF5_ENABLE_ASSERTS PROPERTY STRINGS OFF NO YES) +if (HDF5_ENABLE_ASSERTS MATCHES "YES") + add_compile_options ("-UNDEBUG") +elseif (HDF5_ENABLE_ASSERTS MATCHES "NO") + add_compile_options ("-DNDEBUG") +endif () +MARK_AS_ADVANCED (HDF5_ENABLE_ASSERTS) + +#----------------------------------------------------------------------------- +# Option for --enable-symbols +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +#option (HDF5_ENABLE_SYMBOLS "Add debug symbols to the library independent of the build mode and optimization level." OFF) +set (HDF5_ENABLE_SYMBOLS "OFF" CACHE STRING "Add debug symbols to the library independent of the build mode and optimization level (OFF NO YES)") +set_property (CACHE HDF5_ENABLE_SYMBOLS PROPERTY STRINGS OFF NO YES) +if (HDF5_ENABLE_SYMBOLS MATCHES "YES") + if (CMAKE_C_COMPILER_ID STREQUAL "Intel" AND NOT _INTEL_WINDOWS) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g") + elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -fno-omit-frame-pointer") + endif () +elseif (HDF5_ENABLE_SYMBOLS MATCHES "NO") + if (CMAKE_C_COMPILER_ID STREQUAL "Intel" AND NOT _INTEL_WINDOWS) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-s") + elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s") + endif () +endif () +MARK_AS_ADVANCED (HDF5_ENABLE_SYMBOLS) + +#----------------------------------------------------------------------------- +# Option for --enable-profiling +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_PROFILING "Enable profiling flags independently from the build mode." OFF) +if (HDF5_ENABLE_PROFILING) + list (APPEND HDF5_CMAKE_C_FLAGS "${PROFILE_CFLAGS}") +endif () +MARK_AS_ADVANCED (HDF5_ENABLE_PROFILING) + +#----------------------------------------------------------------------------- +# Option for --enable-optimization +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +option (HDF5_ENABLE_OPTIMIZATION "Enable optimization flags/settings independently from the build mode" OFF) +if (HDF5_ENABLE_OPTIMIZATION) + list (APPEND HDF5_CMAKE_C_FLAGS "${OPTIMIZE_CFLAGS}") +endif () +MARK_AS_ADVANCED (HDF5_ENABLE_OPTIMIZATION) |
