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author | Dana Robinson <derobins@hdfgroup.org> | 2021-03-25 02:11:34 (GMT) |
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committer | Dana Robinson <derobins@hdfgroup.org> | 2021-03-25 02:11:34 (GMT) |
commit | 711d12bb586b23d5bdea4f57fe0101255324cc78 (patch) | |
tree | d7a72c80f662482628a6cbbc90b2767531d93167 /config/cmake/HDFCompilerFlags.cmake | |
parent | 67cfa2396ce633d01138069f6c0081bbadb1e4a3 (diff) | |
download | hdf5-711d12bb586b23d5bdea4f57fe0101255324cc78.zip hdf5-711d12bb586b23d5bdea4f57fe0101255324cc78.tar.gz hdf5-711d12bb586b23d5bdea4f57fe0101255324cc78.tar.bz2 |
Brings the 'warnings-as-errors' changes from develop
Diffstat (limited to 'config/cmake/HDFCompilerFlags.cmake')
-rw-r--r-- | config/cmake/HDFCompilerFlags.cmake | 185 |
1 files changed, 81 insertions, 104 deletions
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake index e4808d2..18f8d01 100644 --- a/config/cmake/HDFCompilerFlags.cmake +++ b/config/cmake/HDFCompilerFlags.cmake @@ -15,7 +15,10 @@ 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} ${CMAKE_C_FLAGS}") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_SANITIZER_FLAGS} ${CMAKE_CXX_FLAGS}") -message (STATUS "Warnings Configuration: default: ${CMAKE_C_FLAGS} : ${CMAKE_CXX_FLAGS}") + +if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") + message (VERBOSE "Warnings Configuration: default: ${CMAKE_C_FLAGS} : ${CMAKE_CXX_FLAGS}") +endif () #----------------------------------------------------------------------------- # Compiler specific flags : Shouldn't there be compiler tests for these #----------------------------------------------------------------------------- @@ -69,6 +72,18 @@ endif () # break into groups (from the config/gnu-flags file) #----------------------------------------------------------------------------- if (NOT MSVC AND NOT MINGW) + #----------------------------------------------------------------------------- + # Option to allow the user to interpret certain warnings as errors + # + # This should NOT be on by default as it can cause a lot of conflicts with + # new operating systems and compiler versions. Header files that are out of + # our control (MPI, HDFS, etc.) can also raise warnings. + #----------------------------------------------------------------------------- + option (HDF5_ENABLE_WARNINGS_AS_ERRORS "Interpret some warnings as errors" OFF) + if (HDF5_ENABLE_WARNINGS_AS_ERRORS) + message (STATUS "...some warnings will be interpreted as errors") + endif () + if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS") list (APPEND HDF5_CMAKE_C_FLAGS "-erroff=%none -DBSD_COMP") else () @@ -83,31 +98,41 @@ if (NOT MSVC AND NOT MINGW) # warnings that are emitted. If you need it, add it at configure time. if (CMAKE_C_COMPILER_ID STREQUAL "Intel") ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/intel-warnings/general") - list (APPEND H5_CFLAGS0 "-Wcomment -Wdeprecated -Wmain -Wmissing-declarations -Wmissing-prototypes -Wp64 -Wpointer-arith") - list (APPEND H5_CFLAGS0 "-Wreturn-type -Wstrict-prototypes -Wuninitialized") - list (APPEND H5_CFLAGS0 "-Wunknown-pragmas -Wunused-function -Wunused-variable") + list (APPEND H5_CFLAGS "-Wcomment -Wdeprecated -Wmain -Wmissing-declarations -Wmissing-prototypes -Wp64 -Wpointer-arith") + list (APPEND H5_CFLAGS "-Wreturn-type -Wstrict-prototypes -Wuninitialized") + list (APPEND H5_CFLAGS "-Wunknown-pragmas -Wunused-function -Wunused-variable") # this is just a failsafe - list (APPEND H5_CFLAGS0 "-finline-functions") + list (APPEND H5_CFLAGS "-finline-functions") if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 18.0) - list (APPEND H5_CFLAGS0 "-Wextra-tokens -Wformat -Wformat-security -Wic-pointer -Wshadow") - list (APPEND H5_CFLAGS0 "-Wsign-compare -Wtrigraphs -Wwrite-strings") + list (APPEND H5_CFLAGS "-Wextra-tokens -Wformat -Wformat-security -Wic-pointer -Wshadow") + list (APPEND H5_CFLAGS "-Wsign-compare -Wtrigraphs -Wwrite-strings") endif() elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU") # Add general CFlags for GCC versions 4.8 and above if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general") - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general") + if (HDF5_ENABLE_WARNINGS_AS_ERRORS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general") + else () + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/noerror-general") + endif () endif () # gcc automatically inlines based on the optimization level # this is just a failsafe - list (APPEND H5_CFLAGS0 "-finline-functions") + list (APPEND H5_CFLAGS "-finline-functions") elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang") ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general") - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/error-general") + if (HDF5_ENABLE_WARNINGS_AS_ERRORS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/error-general") + else () + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/noerror-general") + endif () elseif (CMAKE_C_COMPILER_ID STREQUAL "PGI") list (APPEND HDF5_CMAKE_C_FLAGS "-Minform=inform") endif () - message (STATUS "CMAKE_C_FLAGS_GENERAL=${HDF5_CMAKE_C_FLAGS}") + if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") + message (VERBOSE "CMAKE_C_FLAGS_GENERAL=${HDF5_CMAKE_C_FLAGS}") + endif () endif () #----------------------------------------------------------------------------- @@ -118,78 +143,97 @@ if (NOT MSVC AND NOT MINGW) if (HDF5_ENABLE_DEV_WARNINGS) message (STATUS "....HDF5 developer group warnings are enabled") if (CMAKE_C_COMPILER_ID STREQUAL "Intel") - list (APPEND H5_CFLAGS0 "-Winline -Wreorder -Wport -Wstrict-aliasing") + list (APPEND H5_CFLAGS "-Winline -Wreorder -Wport -Wstrict-aliasing") elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general") elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang") - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general") endif () else () if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general") elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang") - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general") endif () endif () - if (CMAKE_C_COMPILER_ID STREQUAL "GNU") # Technically, variable-length arrays are part of the C99 standard, but # we should approach them a bit cautiously... Only needed for gcc 4.X if (CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0 AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8) - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8-4.last") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8-4.last") endif () # Append more extra warning flags that only gcc 4.8+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8) - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.8") if (HDF5_ENABLE_DEV_WARNINGS) - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-4.8") else () - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-4.8") endif () endif () # Append more extra warning flags that only gcc 4.9+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9) - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.9") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.9") endif () # Append more extra warning flags that only gcc 5.x+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/5") - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-5") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/5") + if (HDF5_ENABLE_WARNINGS_AS_ERRORS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-5") + else () + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-5") + endif () endif () # Append more extra warning flags that only gcc 6.x+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0) - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/6") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/6") endif () # Append more extra warning flags that only gcc 7.x+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0) - ADD_H5_FLAGS (H5_CFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/7") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/7") if (HDF5_ENABLE_DEV_WARNINGS) - ADD_H5_FLAGS (H5_CFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-7") #else () - # ADD_H5_FLAGS (H5_CFLAGS2 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7") + # ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-7") endif () endif () # Append more extra warning flags that only gcc 8.x+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0) - ADD_H5_FLAGS (H5_CFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/8") - ADD_H5_FLAGS (H5_CFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/8") + if (HDF5_ENABLE_WARNINGS_AS_ERRORS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-8") + endif () if (HDF5_ENABLE_DEV_WARNINGS) - ADD_H5_FLAGS (H5_CFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-8") else () - ADD_H5_FLAGS (H5_CFLAGS3 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-8") endif () endif () # Append more extra warning flags that only gcc 9.x+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0) - ADD_H5_FLAGS (H5_CFLAGS4 "${HDF5_SOURCE_DIR}/config/gnu-warnings/9") + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9") + endif () + + # Append more extra warning flags that only gcc 9.3+ know about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.3) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/9.3") + endif () + + # Append more extra warning flags that only gcc 10.x+ know about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 10.0) + if (HDF5_ENABLE_DEV_WARNINGS) + ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-10") + #else () + # ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-10") + endif () endif () endif () endif () @@ -197,86 +241,19 @@ endif () #----------------------------------------------------------------------------- # Option to allow the user to enable all warnings #----------------------------------------------------------------------------- -option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" OFF) +option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" ON) if (HDF5_ENABLE_ALL_WARNINGS) message (STATUS "....All Warnings are enabled") if (MSVC) if (HDF5_ENABLE_DEV_WARNINGS) string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") - list (APPEND HDF5_CMAKE_C_FLAGS "/Wall /wd4668") + list (APPEND HDF5_CMAKE_C_FLAGS "/Wall" "/wd4668") else () string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") - list (APPEND HDF5_CMAKE_C_FLAGS "/W3") + list (APPEND HDF5_CMAKE_C_FLAGS "/W3" "/wd4100" "/wd4706" "/wd4127") endif () else () - list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS0} ${H5_CFLAGS1} ${H5_CFLAGS2} ${H5_CFLAGS3} ${H5_CFLAGS4}) - endif () -endif () - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPZERO_WARNINGS "Enable group zero warnings" OFF) -if (HDF5_ENABLE_GROUPZERO_WARNINGS) - message (STATUS "....Group Zero warnings are enabled") - if (MSVC) - string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_C_FLAGS "${HDF5_CMAKE_C_FLAGS}") - list (APPEND HDF5_CMAKE_C_FLAGS "/W1") - else () - list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS0}) - endif () -endif () - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPONE_WARNINGS "Enable group one warnings" OFF) -if (HDF5_ENABLE_GROUPONE_WARNINGS) - message (STATUS "....Group One warnings are enabled") - if (MSVC) - string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_C_FLAGS "${HDF5_CMAKE_C_FLAGS}") - list (APPEND HDF5_CMAKE_C_FLAGS "/W2") - else () - list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS1}) - endif () -endif () - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPTWO_WARNINGS "Enable group two warnings" OFF) -if (HDF5_ENABLE_GROUPTWO_WARNINGS) - message (STATUS "....Group Two warnings are enabled") - if (MSVC) - string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_C_FLAGS "${HDF5_CMAKE_C_FLAGS}") - list (APPEND HDF5_CMAKE_C_FLAGS "/W3") - else () - list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS2}) - endif () -endif () - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPTHREE_WARNINGS "Enable group three warnings" OFF) -if (HDF5_ENABLE_GROUPTHREE_WARNINGS) - message (STATUS "....Group Three warnings are enabled") - if (MSVC) - string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " HDF5_CMAKE_C_FLAGS "${HDF5_CMAKE_C_FLAGS}") - list (APPEND HDF5_CMAKE_C_FLAGS "/W4") - else () - list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS3}) - endif () -endif () - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPFOUR_WARNINGS "Enable group four warnings" OFF) -if (HDF5_ENABLE_GROUPFOUR_WARNINGS) - message (STATUS "....Group Four warnings are enabled") - if (NOT MSVC) - list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS4}) + list (APPEND HDF5_CMAKE_C_FLAGS ${H5_CFLAGS}) endif () endif () |