mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-21 07:51:46 +08:00
301 lines
13 KiB
CMake
301 lines
13 KiB
CMake
#-----------------------------------------------------------------------------
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# Compiler specific flags : Shouldn't there be compiler tests for these
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#-----------------------------------------------------------------------------
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if (CMAKE_COMPILER_IS_GNUCC)
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if (CMAKE_BUILD_TYPE MATCHES Debug)
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set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS} -std=c99")
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Og -ftrapv -fno-common")
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endif ()
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else (CMAKE_BUILD_TYPE MATCHES Debug)
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set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS} -std=c99")
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstdarg-opt")
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endif ()
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endif ()
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endif ()
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if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
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if (CMAKE_BUILD_TYPE MATCHES Debug)
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set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}")
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Og -ftrapv -fno-common")
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endif ()
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else ()
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set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS}")
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstdarg-opt")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to disable compiler warnings
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#-----------------------------------------------------------------------------
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option (HDF5_DISABLE_COMPILER_WARNINGS "Disable compiler warnings" OFF)
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if (HDF5_DISABLE_COMPILER_WARNINGS)
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# MSVC uses /w to suppress warnings. It also complains if another
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# warning level is given, so remove it.
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if (MSVC)
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set (HDF5_WARNINGS_BLOCKED 1)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /w")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /w")
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endif ()
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if (WIN32)
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add_definitions (-D_CRT_SECURE_NO_WARNINGS)
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endif ()
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# Borland uses -w- to suppress warnings.
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if (BORLAND)
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set (HDF5_WARNINGS_BLOCKED 1)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
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endif ()
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# Most compilers use -w to suppress warnings.
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if (NOT HDF5_WARNINGS_BLOCKED)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# CDash is configured to only allow 3000 warnings, so
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# break into groups (from the config/gnu-flags file)
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#-----------------------------------------------------------------------------
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if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
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if (NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
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set (CMAKE_C_FLAGS_5 "${CMAKE_C_FLAGS_5} -Wcast-qual")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs")
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else ()
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -erroff=%none -DBSD_COMP")
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable developer warnings
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_DEV_WARNINGS "Enable HDF5 developer group warnings" OFF)
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if (HDF5_ENABLE_DEV_WARNINGS)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Winline -Waggregate-return")
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else ()
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter -Wno-inline -Wno-aggregate-return")
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endif ()
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# Append warning flags
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# Don't use the '-Wtraditional' flag, we're way past having K&R C code
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# set (H5_CFLAGS "${H5_CFLAGS} -Wtraditional")
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# Don't use the '-Wtraditional-conversion' flag, there's too many warnings
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# from GCC's assert macro
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# set (H5_CFLAGS "${H5_CFLAGS} -Wtraditional-conversion")
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# Append warning flags from gcc-3* case
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# (don't use -Wpadded flag for normal builds, many of the warnings its
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# issuing can't be fixed and they are making it hard to detect other,
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# more important warnings)
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#set (H5_CFLAGS "${H5_CFLAGS} -Wfloat-equal -Wmissing-format-attribute -Wpadded")
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set (H5_CFLAGS1 "${H5_CFLAGS1} -Wfloat-equal -Wmissing-format-attribute")
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# Append warning flags from gcc-3.2* case
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set (H5_CFLAGS1 "${H5_CFLAGS1} -Wpacked -Wdisabled-optimization")
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if (HDF5_ENABLE_DEV_WARNINGS)
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set (H5_CFLAGS1 "${H5_CFLAGS1} -Wmissing-noreturn")
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else ()
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set (H5_CFLAGS1 "${H5_CFLAGS1} -Wno-missing-noreturn")
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endif ()
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# Enable more format checking flags, beyond the basic -Wformat included
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# in -Wall
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set (H5_CFLAGS1_5 "${H5_CFLAGS1_5} -Wformat=2")
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# Append warning flags from gcc-3.3* case
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set (H5_CFLAGS1 "${H5_CFLAGS1} -Wendif-labels")
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# Append warning flags from gcc-3.4* case
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set (H5_CFLAGS1 "${H5_CFLAGS1} -Wdeclaration-after-statement -Wold-style-definition -Winvalid-pch")
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# Append more extra warning flags that only gcc4.0+ know about
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wvariadic-macros -Winit-self -Wmissing-include-dirs -Wswitch-default -Wswitch-enum -Wunused-macros")
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# Append more extra warning flags that only gcc 4.1+ know about
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set (H5_CFLAGS2_5 "${H5_CFLAGS2_5} -Wunsafe-loop-optimizations")
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wc++-compat")
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# Append more extra warning flags that only gcc 4.2+ know about
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set (H5_CFLAGS2_5 "${H5_CFLAGS2_5} -Wstrict-overflow")
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-strict-overflow")
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# Append more extra warning flags that only gcc 4.3+ know about
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#
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# Technically, variable-length arrays are part of the C99 standard, but
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# we should approach them a bit cautiously... -QAK
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wlogical-op -Wlarger-than=2048 -Wvla")
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# Append more extra warning flags that only gcc 4.4+ know about
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat")
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# Append more extra warning flags that only gcc 4.5+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
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set (H5_CFLAGS2_5 "${H5_CFLAGS2_5} -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants")
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wjump-misses-init -Wunsuffixed-float-constants")
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endif ()
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# Append more extra warning flags that only gcc 4.6+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wdouble-promotion -Wtrampolines")
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if (HDF5_ENABLE_DEV_WARNINGS)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsuggest-attribute=const")
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else ()
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-suggest-attribute=const")
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endif ()
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endif ()
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# The "unreachable code" warning appears to be reliable now...
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# (this warning was removed in gcc 4.5+)
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wunreachable-code")
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endif ()
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# Append more extra warning flags that only gcc 4.7+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wstack-usage=8192 -Wvector-operation-performance")
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if (HDF5_ENABLE_DEV_WARNINGS)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn")
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else ()
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn")
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endif ()
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endif ()
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# Append more extra warning flags that only gcc 4.8+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8)
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if (HDF5_ENABLE_DEV_WARNINGS)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wsuggest-attribute=format")
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else ()
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wno-suggest-attribute=format")
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endif ()
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endif ()
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# Append more extra warning flags that only gcc 4.9+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9)
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set (H5_CFLAGS2 "${H5_CFLAGS2} -Wdate-time -Wopenmp-simd")
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endif ()
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# (There was no release of gcc 5.0)
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# Append more extra warning flags that only gcc 5.1+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.1)
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set (H5_CFLAGS3 "${H5_CFLAGS3} -Warray-bounds=2 -Wc99-c11-compat")
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endif ()
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# Append more extra warning flags that only gcc 6.x+ know about
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.0)
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set (H5_CFLAGS4 "${H5_CFLAGS4} -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable all warnings
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" OFF)
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if (HDF5_ENABLE_ALL_WARNINGS)
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if (MSVC)
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if (HDF5_ENABLE_DEV_WARNINGS)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Wall /wd4668")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Wall /wd4668")
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else ()
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3")
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endif ()
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else ()
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if (CMAKE_COMPILER_IS_GNUCC)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic ${H5_CFLAGS1} ${H5_CFLAGS2}")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable warnings by groups
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_GROUPZERO_WARNINGS "Enable group zero warnings" OFF)
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if (HDF5_ENABLE_GROUPZERO_WARNINGS)
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if (MSVC)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W1")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W1")
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else ()
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if (CMAKE_COMPILER_IS_GNUCC)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic")
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endif ()
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable warnings by groups
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_GROUPONE_WARNINGS "Enable group one warnings" OFF)
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if (HDF5_ENABLE_GROUPONE_WARNINGS)
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if (MSVC)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W2")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W2")
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else ()
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS1}")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable warnings by groups
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_GROUPTWO_WARNINGS "Enable group two warnings" OFF)
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if (HDF5_ENABLE_GROUPTWO_WARNINGS)
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if (MSVC)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3")
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else ()
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS2}")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable warnings by groups
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_GROUPTHREE_WARNINGS "Enable group three warnings" OFF)
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if (HDF5_ENABLE_GROUPTHREE_WARNINGS)
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if (MSVC)
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
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string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
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else ()
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS3}")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# Option to allow the user to enable warnings by groups
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#-----------------------------------------------------------------------------
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option (HDF5_ENABLE_GROUPFOUR_WARNINGS "Enable group four warnings" OFF)
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if (HDF5_ENABLE_GROUPFOUR_WARNINGS)
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if (NOT MSVC)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS4}")
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endif ()
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endif ()
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#-----------------------------------------------------------------------------
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# This is in here to help some of the GCC based IDES like Eclipse
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# and code blocks parse the compiler errors and warnings better.
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#-----------------------------------------------------------------------------
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if (CMAKE_COMPILER_IS_GNUCC)
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fmessage-length=0")
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endif ()
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if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED)
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmessage-length=0")
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endif ()
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