diff options
Diffstat (limited to 'config/cmake/HDFCXXCompilerFlags.cmake')
| -rw-r--r-- | config/cmake/HDFCXXCompilerFlags.cmake | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/config/cmake/HDFCXXCompilerFlags.cmake b/config/cmake/HDFCXXCompilerFlags.cmake new file mode 100644 index 0000000..b0f9e23 --- /dev/null +++ b/config/cmake/HDFCXXCompilerFlags.cmake @@ -0,0 +1,354 @@ +# +# 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_CXX_STANDARD 98) +set(CMAKE_CXX_STANDARD_REQUIRED TRUE) +set(CMAKE_CXX_EXTENSIONS OFF) + +set (CMAKE_CXX_FLAGS "${CMAKE_CXX_SANITIZER_FLAGS} ${CMAKE_CXX_FLAGS}") +message (STATUS "Warnings Configuration: CXX default: ${CMAKE_CXX_FLAGS}") +#----------------------------------------------------------------------------- +# Compiler specific flags : Shouldn't there be compiler tests for these +#----------------------------------------------------------------------------- +if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED) + set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}") + if (${HDF_CFG_NAME} MATCHES "Debug") + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Og -ftrapv -fno-common") + endif () + else () + if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstdarg-opt") + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to disable compiler warnings +#----------------------------------------------------------------------------- +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) + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W0") + endif () + endif () + if (WIN32) + add_definitions (-D_CRT_SECURE_NO_WARNINGS) + endif () + + # Most compilers use -w to suppress warnings. + if (NOT HDF5_WARNINGS_BLOCKED) + if (CMAKE_CXX_COMPILER_LOADED) + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w") + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# HDF5 library compile options +#----------------------------------------------------------------------------- + +#----------------------------------------------------------------------------- +# CDash is configured to only allow 3000 warnings, so +# break into groups (from the config/gnu-flags file) +#----------------------------------------------------------------------------- +if (NOT MSVC AND NOT MINGW) + if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") + list (APPEND HDF5_CMAKE_CXX_FLAGS "-erroff=%none -DBSD_COMP") + else () + # General flags + # + # Note that some of the flags listed here really should be developer + # flags (listed in a separate variable, below) but we put them here + # because they are not raised by the current code and we'd like to + # know if they do start showing up. + # + # NOTE: Don't add -Wpadded here since we can't/won't fix the (many) + # warnings that are emitted. If you need it, add it at configure time. + if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel") + ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/general") + if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0) + list (APPEND H5_CXXFLAGS0 "-Wextra-tokens -Wformat -Wformat-security -Wic-pointer -Wshadow") + list (APPEND H5_CXXFLAGS0 "-Wsign-compare -Wtrigraphs -Wwrite-strings") + endif() + elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED + AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) + # add the general CXX flags for g++ compiler versions 4.8 and above. + ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-general") + ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-error-general") + endif () + elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") + ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general") + elseif (CMAKE_CXX_COMPILER_ID STREQUAL "PGI") + list (APPEND HDF5_CMAKE_CXX_FLAGS "-Minform=inform") + endif () + message (STATUS "CMAKE_CXX_FLAGS_GENERAL=${HDF5_CMAKE_CXX_FLAGS}") + endif () + + #----------------------------------------------------------------------------- + # Option to allow the user to enable developer warnings + # Developer warnings (suggestions from gcc, not code problems) + #----------------------------------------------------------------------------- + if (HDF5_ENABLE_DEV_WARNINGS) + message (STATUS "....HDF5 developer group warnings are enabled") + # if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel") + # list (APPEND H5_CXXFLAGS0 "-Winline -Wreorder -Wport -Wstrict-aliasing") + # elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general") + # elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") + # ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general") + endif () + else () + if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general") + # elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") + # ADD_H5_FLAGS (H5_CXXFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general") + endif () + endif () + + if (CMAKE_CXX_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_CXX_COMPILER_VERSION VERSION_LESS 5.0 AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8-4.last") + endif () + + # Append more extra warning flags that only gcc 4.8+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8) + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8") + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.8") + else () + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.8") + endif () + endif () + + # Append more extra warning flags that only gcc 4.9+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.9") + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-4.9") + endif () + + # Append more extra warning flags that only gcc 5.1+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-5") + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-error-5") + endif () + + # Append more extra warning flags that only gcc 6.x+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/6") + endif () + + # Append more extra warning flags that only gcc 7.x+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXxFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/7") + if (HDF5_ENABLE_DEV_WARNINGS) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7") + #else () + # ADD_H5_FLAGS (H5_CXXFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7") + endif () + endif () + + # Append more extra warning flags that only gcc 8.x+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/8") + #ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-8") + if (HDF5_ENABLE_DEV_WARNINGS) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8") + else () + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8") + endif () + endif () + + # Append more extra warning flags that only gcc 9.x+ know about + if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0) + # autotools always add the C flags with the CXX flags + ADD_H5_FLAGS (H5_CXXFLAGS4 "${HDF5_SOURCE_DIR}/config/gnu-warnings/9") + endif () + endif () +else () + if (NOT MINGW) + list (APPEND HDF5_CMAKE_CXX_FLAGS "/EHsc") + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable all warnings +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_ALL_WARNINGS) + message (STATUS "....All Warnings are enabled") + if (MSVC) + if (HDF5_ENABLE_DEV_WARNINGS) + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + list (APPEND HDF5_CMAKE_CXX_FLAGS "/Wall /wd4668") + endif () + else () + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + list (APPEND HDF5_CMAKE_CXX_FLAGS "/W3") + endif () + endif () + else () + if (CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS0} ${H5_CXXFLAGS1} ${H5_CXXFLAGS2} ${H5_CXXFLAGS3} ${H5_CXXFLAGS4}) + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable warnings by groups +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_GROUPZERO_WARNINGS) + message (STATUS "....Group Zero warnings are enabled") + if (MSVC) + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}") + list (APPEND HDF5_CMAKE_CXX_FLAGS "/W1") + endif () + else () + if (CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS0}) + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable warnings by groups +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_GROUPONE_WARNINGS) + message (STATUS "....Group One warnings are enabled") + if (MSVC) + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}") + list (APPEND HDF5_CMAKE_CXX_FLAGS "/W2") + endif () + else () + if (CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS1}) + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable warnings by groups +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_GROUPTWO_WARNINGS) + message (STATUS "....Group Two warnings are enabled") + if (MSVC) + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}") + list (APPEND HDF5_CMAKE_CXX_FLAGS "/W3") + endif () + else () + if (CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS2}) + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable warnings by groups +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_GROUPTHREE_WARNINGS) + message (STATUS "....Group Three warnings are enabled") + if (MSVC) + if (CMAKE_CXX_COMPILER_LOADED) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_CXX_FLAGS "${HDF5_CMAKE_CXX_FLAGS}") + list (APPEND HDF5_CMAKE_CXX_FLAGS "/W4") + endif () + else () + if (CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS3}) + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option to allow the user to enable warnings by groups +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_GROUPFOUR_WARNINGS) + message (STATUS "....Group Four warnings are enabled") + if (NOT MSVC) + if (CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS ${H5_CXXFLAGS4}) + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# This is in here to help some of the GCC based IDES like Eclipse +# and code blocks parse the compiler errors and warnings better. +#----------------------------------------------------------------------------- +if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED) + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmessage-length=0") +endif () + +#----------------------------------------------------------------------------- +# Option for --enable-symbols +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_SYMBOLS MATCHES "YES") + if(CMAKE_CXX_COMPILER_LOADED) + if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel") + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g") + elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g") + endif () + endif () +elseif (HDF5_ENABLE_SYMBOLS MATCHES "NO") + if(CMAKE_CXX_COMPILER_LOADED) + if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel") + set (CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -Wl,-s") + elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s") + endif () + endif () +endif () + +#----------------------------------------------------------------------------- +# Option for --enable-profiling +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_PROFILING) + if(CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS "${PROFILE_CXXFLAGS}") + endif () +endif () + +#----------------------------------------------------------------------------- +# Option for --enable-optimization +# This option will force/override the default setting for all configurations +#----------------------------------------------------------------------------- +if (HDF5_ENABLE_OPTIMIZATION) + if(CMAKE_CXX_COMPILER_LOADED) + list (APPEND HDF5_CMAKE_CXX_FLAGS "${OPTIMIZE_CXXFLAGS}") + endif () +endif () |