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authorAllen Byrne <byrn@hdfgroup.org>2015-05-14 16:51:20 (GMT)
committerAllen Byrne <byrn@hdfgroup.org>2015-05-14 16:51:20 (GMT)
commit37a07df7b40a1df1c2bcd6776635ee0703aa4455 (patch)
tree0e472acfc43c1c8ab6da71241ac195bf68521776 /config
parenta86910deac84fe71cedc02686195a9321b6a820e (diff)
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[svn-r27064] HDFFV-9327: Refactor compiler flags to config file.
Tested: local linux
Diffstat (limited to 'config')
-rw-r--r--config/cmake/HDFCompilerFlags.cmake268
1 files changed, 268 insertions, 0 deletions
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake
new file mode 100644
index 0000000..6f37a48
--- /dev/null
+++ b/config/cmake/HDFCompilerFlags.cmake
@@ -0,0 +1,268 @@
+#-----------------------------------------------------------------------------
+# Compiler specific flags : Shouldn't there be compiler tests for these
+#-----------------------------------------------------------------------------
+if (CMAKE_COMPILER_IS_GNUCC)
+ if (CMAKE_BUILD_TYPE MATCHES Debug)
+ set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS} -std=c99 -ftrapv -fno-common")
+ else (CMAKE_BUILD_TYPE MATCHES Debug)
+ set (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS} -std=c99")
+ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstdarg-opt")
+ endif ()
+ endif (CMAKE_BUILD_TYPE MATCHES Debug)
+endif (CMAKE_COMPILER_IS_GNUCC)
+if (CMAKE_COMPILER_IS_GNUCXX)
+ if (CMAKE_BUILD_TYPE MATCHES Debug)
+ set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS} -std=c99 -ftrapv -fno-common")
+ else (CMAKE_BUILD_TYPE MATCHES Debug)
+ set (CMAKE_CXX_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_CXX_FLAGS} -std=c99")
+ if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstdarg-opt")
+ endif ()
+ endif (CMAKE_BUILD_TYPE MATCHES Debug)
+endif (CMAKE_COMPILER_IS_GNUCXX)
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to disable compiler warnings
+#-----------------------------------------------------------------------------
+option (HDF5_DISABLE_COMPILER_WARNINGS "Disable compiler warnings" OFF)
+if (HDF5_DISABLE_COMPILER_WARNINGS)
+ # 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 "${CMAKE_C_FLAGS} /w")
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /w")
+ endif (MSVC)
+ if (WIN32)
+ add_definitions (-D_CRT_SECURE_NO_WARNINGS)
+ endif (WIN32)
+ # Borland uses -w- to suppress warnings.
+ if (BORLAND)
+ set (HDF5_WARNINGS_BLOCKED 1)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
+ endif (BORLAND)
+
+ # Most compilers use -w to suppress warnings.
+ if (NOT HDF5_WARNINGS_BLOCKED)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w")
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
+ endif (NOT HDF5_WARNINGS_BLOCKED)
+endif (HDF5_DISABLE_COMPILER_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# CDash is configured to only allow 3000 warnings, so
+# break into groups (from the config/gnu-flags file)
+#-----------------------------------------------------------------------------
+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 ${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -erroff=%none -DBSD_COMP")
+ endif (NOT ${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
+ # Append warning flags
+ # Don't use the '-Wtraditional' flag, we're way past having K&R C code
+ # set (H5_CFLAGS "${H5_CFLAGS} -Wtraditional")
+ # Don't use the '-Wtraditional-conversion' flag, there's too many warnings
+ # from GCC's assert macro
+ # set (H5_CFLAGS "${H5_CFLAGS} -Wtraditional-conversion")
+
+ # Append warning flags from gcc-3* case
+ # (don't use -Wpadded flag for normal builds, many of the warnings its
+ # issuing can't be fixed and they are making it hard to detect other,
+ # more important warnings)
+ #set (H5_CFLAGS "${H5_CFLAGS} -Wfloat-equal -Wmissing-format-attribute -Wpadded")
+ 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")
+
+ # 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()
+
+ # 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")
+
+ # 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")
+
+ # Append more extra warning flags that only gcc 4.2+ know about
+ set (H5_CFLAGS3 "${H5_CFLAGS3} -Wstrict-overflow")
+
+ # Append more extra warning flags that only gcc 4.3+ know about
+ #
+ # Technically, variable-length arrays are part of the C99 standard, but
+ # we should approach them a bit cautiously... -QAK
+ set (H5_CFLAGS3 "${H5_CFLAGS3} -Wlogical-op -Wlarger-than=2048 -Wvla")
+
+ # Append more extra warning flags that only gcc 4.4+ know about
+ set (H5_CFLAGS4 "${H5_CFLAGS4} -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat")
+
+ # Append more extra warning flags that only gcc 4.5+ know about
+ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
+ set (H5_CFLAGS4 "${H5_CFLAGS4} -Wstrict-overflow=5 -Wjump-misses-init -Wunsuffixed-float-constants")
+ endif()
+
+ # 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 "${H5_CFLAGS5} -Wdouble-promotion -Wsuggest-attribute=const -Wtrampolines")
+ endif()
+
+ # Append more extra warning flags that only gcc 4.7+ know about
+ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
+ set (H5_CFLAGS5 "${H5_CFLAGS5} -Wstack-usage=8192 -Wvector-operation-performance -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn")
+ endif()
+
+ # 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 "${H5_CFLAGS5} -Wsuggest-attribute=format")
+ endif()
+
+ # Append more extra warning flags that only gcc 4.9+ know about
+ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9)
+ set (H5_CFLAGS5 "${H5_CFLAGS5} -Wdate-time -Wopenmp-simd")
+ endif()
+
+ # (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 "${H5_CFLAGS6} -Warray-bounds=2 -Wc99-c11-compat")
+ endif()
+
+endif (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable all warnings
+#-----------------------------------------------------------------------------
+option (HDF5_ENABLE_ALL_WARNINGS "Enable all warnings" OFF)
+if (HDF5_ENABLE_ALL_WARNINGS)
+ if (MSVC)
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " 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 "${CMAKE_CXX_FLAGS} /Wall")
+ else (MSVC)
+ if (CMAKE_COMPILER_IS_GNUCC)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic ${H5_CFLAGS1} ${H5_CFLAGS2} ${H5_CFLAGS3} ${H5_CFLAGS4}")
+ endif (CMAKE_COMPILER_IS_GNUCC)
+ endif (MSVC)
+endif (HDF5_ENABLE_ALL_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+option (HDF5_ENABLE_GROUPZERO_WARNINGS "Enable group zero warnings" OFF)
+if (HDF5_ENABLE_GROUPZERO_WARNINGS)
+ if (MSVC)
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W1")
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W1")
+ else (MSVC)
+ if (CMAKE_COMPILER_IS_GNUCC)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic")
+ endif (CMAKE_COMPILER_IS_GNUCC)
+ endif (MSVC)
+endif (HDF5_ENABLE_GROUPZERO_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# 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)
+ if (MSVC)
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+ 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)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS1}")
+ endif (MSVC)
+endif (HDF5_ENABLE_GROUPONE_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+option (HDF5_ENABLE_GROUPTWO_WARNINGS "Enable group two warnings" OFF)
+if (HDF5_ENABLE_GROUPTWO_WARNINGS)
+ if (MSVC)
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " 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 "${CMAKE_CXX_FLAGS} /W3")
+ else (MSVC)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS2}")
+ endif (MSVC)
+endif (HDF5_ENABLE_GROUPTWO_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+option (HDF5_ENABLE_GROUPTHREE_WARNINGS "Enable group three warnings" OFF)
+if (HDF5_ENABLE_GROUPTHREE_WARNINGS)
+ if (MSVC)
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
+ string (REGEX REPLACE "(^| )([/-])W[0-9]( |$)" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
+ else (MSVC)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${H5_CFLAGS3}")
+ endif (MSVC)
+endif (HDF5_ENABLE_GROUPTHREE_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# Option to allow the user to enable warnings by groups
+#-----------------------------------------------------------------------------
+option (HDF5_ENABLE_GROUPFOUR_WARNINGS "Enable group four warnings" OFF)
+if (HDF5_ENABLE_GROUPFOUR_WARNINGS)
+ if (NOT MSVC)
+ set (CMAKE_C_FLAGS "${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} ${H5_CFLAGS6}")
+ endif (NOT MSVC)
+endif (HDF5_ENABLE_GROUPSIX_WARNINGS)
+
+#-----------------------------------------------------------------------------
+# This is in here to help some of the GCC based IDES like Eclipse
+# and code blocks parse the compiler errors and warnings better.
+#-----------------------------------------------------------------------------
+if (CMAKE_COMPILER_IS_GNUCC)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fmessage-length=0")
+endif (CMAKE_COMPILER_IS_GNUCC)
+if (CMAKE_COMPILER_IS_GNUCXX)
+ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fmessage-length=0")
+endif (CMAKE_COMPILER_IS_GNUCXX)