diff options
Diffstat (limited to 'config/cmake/HDFCompilerFlags.cmake')
-rw-r--r-- | config/cmake/HDFCompilerFlags.cmake | 215 |
1 files changed, 126 insertions, 89 deletions
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake index c637c73..4ea8702 100644 --- a/config/cmake/HDFCompilerFlags.cmake +++ b/config/cmake/HDFCompilerFlags.cmake @@ -1,3 +1,14 @@ +# +# 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://support.hdfgroup.org/ftp/HDF5/releases. +# If you do not have access to either file, you may request a copy from +# help@hdfgroup.org. + #----------------------------------------------------------------------------- # Compiler specific flags : Shouldn't there be compiler tests for these #----------------------------------------------------------------------------- @@ -12,21 +23,21 @@ if (CMAKE_COMPILER_IS_GNUCC) if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstdarg-opt") endif () - endif (CMAKE_BUILD_TYPE MATCHES Debug) -endif (CMAKE_COMPILER_IS_GNUCC) -if (CMAKE_COMPILER_IS_GNUCXX) + endif () +endif () +if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED) if (CMAKE_BUILD_TYPE MATCHES Debug) - set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS} -std=c99") + set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}") if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Og -ftrapv -fno-common") endif () - else (CMAKE_BUILD_TYPE MATCHES Debug) - set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS} -std=c99") + else () + set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}") if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstdarg-opt") endif () - endif (CMAKE_BUILD_TYPE MATCHES Debug) -endif (CMAKE_COMPILER_IS_GNUCXX) + endif () +endif () #----------------------------------------------------------------------------- # Option to allow the user to disable compiler warnings @@ -41,22 +52,22 @@ if (HDF5_DISABLE_COMPILER_WARNINGS) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /w") string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /w") - endif (MSVC) + endif () if (WIN32) add_definitions (-D_CRT_SECURE_NO_WARNINGS) - endif (WIN32) + endif () # Borland uses -w- to suppress warnings. if (BORLAND) set (HDF5_WARNINGS_BLOCKED 1) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-") - endif (BORLAND) + endif () # Most compilers use -w to suppress warnings. if (NOT HDF5_WARNINGS_BLOCKED) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w") - endif (NOT HDF5_WARNINGS_BLOCKED) -endif (HDF5_DISABLE_COMPILER_WARNINGS) + endif () +endif () #----------------------------------------------------------------------------- # CDash is configured to only allow 3000 warnings, so @@ -64,10 +75,22 @@ endif (HDF5_DISABLE_COMPILER_WARNINGS) #----------------------------------------------------------------------------- if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC) if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") - set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline") - else (NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") + set (CMAKE_C_FLAGS_5 "${CMAKE_C_FLAGS_5} -Wcast-qual") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs") + else () set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -erroff=%none -DBSD_COMP") - endif (NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") + endif () + + #----------------------------------------------------------------------------- + # Option to allow the user to enable developer warnings + #----------------------------------------------------------------------------- + option (HDF5_ENABLE_DEV_WARNINGS "Enable HDF5 developer group warnings" OFF) + if (HDF5_ENABLE_DEV_WARNINGS) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Winline -Waggregate-return") + else () + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter -Wno-inline -Wno-aggregate-return") + endif () + # Append warning flags # Don't use the '-Wtraditional' flag, we're way past having K&R C code # set (H5_CFLAGS "${H5_CFLAGS} -Wtraditional") @@ -83,75 +106,102 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC) set (H5_CFLAGS1 "${H5_CFLAGS1} -Wfloat-equal -Wmissing-format-attribute") # Append warning flags from gcc-3.2* case - set (H5_CFLAGS1 "${H5_CFLAGS1} -Wmissing-noreturn -Wpacked -Wdisabled-optimization") + set (H5_CFLAGS1 "${H5_CFLAGS1} -Wpacked -Wdisabled-optimization") + if (HDF5_ENABLE_DEV_WARNINGS) + set (H5_CFLAGS1 "${H5_CFLAGS1} -Wmissing-noreturn") + else () + set (H5_CFLAGS1 "${H5_CFLAGS1} -Wno-missing-noreturn") + endif () # Enable more format checking flags, beyond the basic -Wformat included # in -Wall - set (H5_CFLAGS1 "${H5_CFLAGS1} -Wformat=2") - - # The "unreachable code" warning appears to be reliable now... - # (this warning was removed in gcc 4.5+) - if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7) - set (H5_CFLAGS1 "${H5_CFLAGS1} -Wunreachable-code") - endif() + set (H5_CFLAGS1_5 "${H5_CFLAGS1_5} -Wformat=2") # Append warning flags from gcc-3.3* case set (H5_CFLAGS1 "${H5_CFLAGS1} -Wendif-labels") # Append warning flags from gcc-3.4* case - set (H5_CFLAGS2 "${H5_CFLAGS2} -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch") + set (H5_CFLAGS1 "${H5_CFLAGS1} -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch") # Append more extra warning flags that only gcc4.0+ know about set (H5_CFLAGS2 "${H5_CFLAGS2} -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros") # Append more extra warning flags that only gcc 4.1+ know about - set (H5_CFLAGS3 "${H5_CFLAGS3} -Wunsafe-loop-optimizations -Wc++-compat") + set (H5_CFLAGS2_5 "${H5_CFLAGS2_5} -Wunsafe-loop-optimizations") + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wc++-compat") # Append more extra warning flags that only gcc 4.2+ know about - set (H5_CFLAGS3 "${H5_CFLAGS3} -Wstrict-overflow") + set (H5_CFLAGS2_5 "${H5_CFLAGS2_5} -Wstrict-overflow") + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-strict-overflow") # Append more extra warning flags that only gcc 4.3+ know about # # Technically, variable-length arrays are part of the C99 standard, but # we should approach them a bit cautiously... -QAK - set (H5_CFLAGS3 "${H5_CFLAGS3} -Wlogical-op -Wlarger-than=2048 -Wvla") + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wlogical-op -Wlarger-than=2048 -Wvla") # Append more extra warning flags that only gcc 4.4+ know about - set (H5_CFLAGS4 "${H5_CFLAGS4} -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat") + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat") # Append more extra warning flags that only gcc 4.5+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5) - set (H5_CFLAGS4 "${H5_CFLAGS4} -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants") - endif() + set (H5_CFLAGS2_5 "${H5_CFLAGS2_5} -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants") + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wjump-misses-init -Wunsuffixed-float-constants") + endif () # Append more extra warning flags that only gcc 4.6+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6) - set (H5_CFLAGS5 "${H5_CFLAGS5} -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines") - endif() + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wdouble-promotion -Wtrampolines") + if (HDF5_ENABLE_DEV_WARNINGS) + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsuggest-attribute=const") + else () + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-suggest-attribute=const") + endif () + endif () + + # The "unreachable code" warning appears to be reliable now... + # (this warning was removed in gcc 4.5+) + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7) + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wunreachable-code") + endif () # Append more extra warning flags that only gcc 4.7+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7) - set (H5_CFLAGS5 "${H5_CFLAGS5} -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn") - endif() + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wstack-usage=8192 -Wvector-operation-performance") + if (HDF5_ENABLE_DEV_WARNINGS) + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn") + else () + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn") + endif () + endif () # Append more extra warning flags that only gcc 4.8+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8) - set (H5_CFLAGS5 "${H5_CFLAGS5} -Wsuggest-attribute=format") - endif() + if (HDF5_ENABLE_DEV_WARNINGS) + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsuggest-attribute=format") + else () + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-suggest-attribute=format") + endif () + endif () # Append more extra warning flags that only gcc 4.9+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9) - set (H5_CFLAGS5 "${H5_CFLAGS5} -Wdate-time -Wopenmp-simd") - endif() + set (H5_CFLAGS2 "${H5_CFLAGS2} -Wdate-time -Wopenmp-simd") + endif () # (There was no release of gcc 5.0) # Append more extra warning flags that only gcc 5.1+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.1) - set (H5_CFLAGS6 "${H5_CFLAGS6} -Warray-bounds=2 -Wc99-c11-compat") - endif() + set (H5_CFLAGS3 "${H5_CFLAGS3} -Warray-bounds=2 -Wc99-c11-compat") + endif () -endif (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC) + # Append more extra warning flags that only gcc 6.x+ know about + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0) + set (H5_CFLAGS4 "${H5_CFLAGS4} -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa") + endif () + +endif () #----------------------------------------------------------------------------- # Option to allow the user to enable all warnings @@ -159,16 +209,23 @@ endif (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC) option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" OFF) if (HDF5_ENABLE_ALL_WARNINGS) if (MSVC) - string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") - set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Wall") - string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") - set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Wall") - else (MSVC) + if (HDF5_ENABLE_DEV_WARNINGS) + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Wall /wd4668") + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Wall /wd4668") + else () + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3") + string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3") + endif () + else () if (CMAKE_COMPILER_IS_GNUCC) - set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic ${H5_CFLAGS1} ${H5_CFLAGS2} ${H5_CFLAGS3} ${H5_CFLAGS4}") - endif (CMAKE_COMPILER_IS_GNUCC) - endif (MSVC) -endif (HDF5_ENABLE_ALL_WARNINGS) + set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic ${H5_CFLAGS1} ${H5_CFLAGS2}") + endif () + endif () +endif () #----------------------------------------------------------------------------- # Option to allow the user to enable warnings by groups @@ -180,12 +237,12 @@ if (HDF5_ENABLE_GROUPZERO_WARNINGS) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W1") string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W1") - else (MSVC) + else () if (CMAKE_COMPILER_IS_GNUCC) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic") - endif (CMAKE_COMPILER_IS_GNUCC) - endif (MSVC) -endif (HDF5_ENABLE_GROUPZERO_WARNINGS) + endif () + endif () +endif () #----------------------------------------------------------------------------- # Option to allow the user to enable warnings by groups @@ -197,10 +254,10 @@ if (HDF5_ENABLE_GROUPONE_WARNINGS) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W2") string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W2") - else (MSVC) + else () set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS1}") - endif (MSVC) -endif (HDF5_ENABLE_GROUPONE_WARNINGS) + endif () +endif () #----------------------------------------------------------------------------- # Option to allow the user to enable warnings by groups @@ -212,10 +269,10 @@ if (HDF5_ENABLE_GROUPTWO_WARNINGS) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3") string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3") - else (MSVC) + else () set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS2}") - endif (MSVC) -endif (HDF5_ENABLE_GROUPTWO_WARNINGS) + endif () +endif () #----------------------------------------------------------------------------- # Option to allow the user to enable warnings by groups @@ -227,10 +284,10 @@ if (HDF5_ENABLE_GROUPTHREE_WARNINGS) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4") string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4") - else (MSVC) + else () set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS3}") - endif (MSVC) -endif (HDF5_ENABLE_GROUPTHREE_WARNINGS) + endif () +endif () #----------------------------------------------------------------------------- # Option to allow the user to enable warnings by groups @@ -239,28 +296,8 @@ option (HDF5_ENABLE_GROUPFOUR_WARNINGS "Enable group four warnings" OFF) if (HDF5_ENABLE_GROUPFOUR_WARNINGS) if (NOT MSVC) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS4}") - endif (NOT MSVC) -endif (HDF5_ENABLE_GROUPFOUR_WARNINGS) - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPFIVE_WARNINGS "Enable group five warnings" OFF) -if (HDF5_ENABLE_GROUPFIVE_WARNINGS) - if (NOT MSVC) - set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS5}") - endif (NOT MSVC) -endif (HDF5_ENABLE_GROUPFIVE_WARNINGS) - -#----------------------------------------------------------------------------- -# Option to allow the user to enable warnings by groups -#----------------------------------------------------------------------------- -option (HDF5_ENABLE_GROUPSIX_WARNINGS "Enable group six warnings" OFF) -if (HDF5_ENABLE_GROUPSIX_WARNINGS) - if (NOT MSVC) - set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS6}") - endif (NOT MSVC) -endif (HDF5_ENABLE_GROUPSIX_WARNINGS) + endif () +endif () #----------------------------------------------------------------------------- # This is in here to help some of the GCC based IDES like Eclipse @@ -268,7 +305,7 @@ endif (HDF5_ENABLE_GROUPSIX_WARNINGS) #----------------------------------------------------------------------------- if (CMAKE_COMPILER_IS_GNUCC) set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fmessage-length=0") -endif (CMAKE_COMPILER_IS_GNUCC) -if (CMAKE_COMPILER_IS_GNUCXX) +endif () +if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED) set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmessage-length=0") -endif (CMAKE_COMPILER_IS_GNUCXX) +endif () |