| # This file holds Intel(R) C Compiler / Intel(R) C++ Compiler / Intel(R) Fortran Compiler (icc/icpc/icl.exe/ifort) dependent flags |
| # The flag types are: |
| # 2) C/C++ Compiler flags |
| # 4) Linker flags |
| |
| # icc has a 128-bit floating point type called _Quad. Always compile with 128-bit floating point if it exists. |
| unset(COMPILER_SUPPORTS_QUAD_PRECISION CACHE) |
| set(COMPILER_SUPPORTS_QUAD_PRECISION true CACHE BOOL "Does the compiler support a 128-bit floating point type?") |
| set(COMPILER_QUAD_TYPE _Quad) |
| |
| ######################################################### |
| # icc C/C++ Compiler flags |
| function(append_compiler_specific_c_and_cxx_flags input_c_flags input_cxx_flags) |
| set(local_c_flags) |
| set(local_cxx_flags) |
| if(${WINDOWS}) |
| |
| append_c_flags("-TP") # Tells the compiler to process a file as a C++ source file. |
| append_cxx_flags("-EHsc") # Enable C++ exception handling. |
| append_c_and_cxx_flags("-nologo") # Turn off tool banner. |
| append_c_and_cxx_flags("-W3") # Enables diagnostics for remarks, warnings, and errors. |
| # Additional warnings are also enabled above level 2 warnings. |
| append_c_and_cxx_flags("-WX") # Change all Warnings to Errors |
| append_c_and_cxx_flags("-GS") # Lets you control the threshold at which the stack checking routine is called or not called. |
| append_c_and_cxx_flags("-Qoption,cpp,--extended_float_types") # Enabled _Quad type. |
| if(${IA32}) |
| append_c_and_cxx_flags("-arch:ia32") # Tells the compiler which features it may target (ia32) |
| append_c_and_cxx_flags("-Oy-") # equivalent to -fno-omit-frame-pointer |
| endif() |
| append_c_and_cxx_flags("-Qlong_double") # enable long double |
| append_c_and_cxx_flags("-Qdiag-disable:177") # Disable warning: "... declared but never referenced" |
| if(${IA32}) |
| append_c_and_cxx_flags("-Qsafeseh") # Registers exception handlers for safe exception handling. |
| endif() |
| if(${RELEASE_BUILD} OR ${RELWITHDEBINFO_BUILD}) |
| append_c_and_cxx_flags("-Qinline-min-size=1") # Specifies the upper limit for the size of what the inliner considers to be a small routine. |
| else() |
| append_c_and_cxx_flags("-Od") # Disables all optimizations. |
| append_c_and_cxx_flags("-RTC1") # Enables run-time checks of the stack frame, and enables run-time checks for unintialized variables. |
| append_c_and_cxx_flags("-MTd") # Tells the linker to search for unresolved references in a multithreaded, static run-time library. |
| endif() |
| else() |
| append_c_and_cxx_flags("-Wsign-compare") # warn on sign comparisons |
| append_c_and_cxx_flags("-Werror") # Changes all warnings to errors. |
| append_c_and_cxx_flags("-Qoption,cpp,--extended_float_types") # Enabled _Quad type. |
| append_c_and_cxx_flags("-fno-exceptions") # Exception handling table generation is disabled. |
| append_c_and_cxx_flags("-x c++") # Compile C files as C++ files |
| if(${MIC}) |
| append_c_and_cxx_flags("-mmic") # Build Intel(R) MIC Architecture native code |
| append_c_and_cxx_flags("-ftls-model=initial-exec") # Changes the thread local storage (TLS) model. Generates a restrictive, optimized TLS code. |
| # To use this setting, the thread-local variables accessed must be defined in one of the |
| # modules available to the program. |
| append_c_and_cxx_flags("-opt-streaming-stores never") # Disables generation of streaming stores for optimization. |
| append_c_and_cxx_flags("-sox") # Tells the compiler to save the compilation options and version number |
| # in the executable file. It also lets you choose whether to include |
| # lists of certain functions. |
| elseif(${LINUX}) |
| append_c_and_cxx_flags("-Werror") # Changes all warnings to errors. |
| append_c_and_cxx_flags("-sox") |
| if(${IA32}) |
| append_c_and_cxx_flags("-falign-stack=maintain-16-byte") # Tells the compiler the stack alignment to use on entry to routines. |
| append_c_and_cxx_flags("-mia32") # Tells the compiler which features it may target (ia32) |
| endif() |
| endif() |
| endif() |
| # CMake prefers the /MD flags when compiling Windows sources, but libiomp5 needs to use /MT instead |
| # So we replace these /MD instances with /MT within the CMAKE_*_FLAGS variables and put that out to the CACHE. |
| # replace_md_with_mt() is in HelperFunctions.cmake |
| if(${WINDOWS}) |
| replace_md_with_mt(CMAKE_C_FLAGS) |
| replace_md_with_mt(CMAKE_C_FLAGS_RELEASE) |
| replace_md_with_mt(CMAKE_C_FLAGS_RELWITHDEBINFO) |
| replace_md_with_mt(CMAKE_C_FLAGS_DEBUG) |
| replace_md_with_mt(CMAKE_CXX_FLAGS) |
| replace_md_with_mt(CMAKE_CXX_FLAGS_RELEASE) |
| replace_md_with_mt(CMAKE_CXX_FLAGS_RELWITHDEBINFO) |
| replace_md_with_mt(CMAKE_CXX_FLAGS_DEBUG) |
| endif() |
| set(${input_c_flags} ${${input_c_flags}} "${local_c_flags}" PARENT_SCOPE) |
| set(${input_cxx_flags} ${${input_cxx_flags}} "${local_cxx_flags}" PARENT_SCOPE) |
| endfunction() |
| |
| ######################################################### |
| # icc Linker flags |
| function(append_compiler_specific_linker_flags input_ld_flags input_ld_flags_libs) |
| set(local_ld_flags) |
| set(local_ld_flags_libs) |
| if(${WINDOWS}) |
| # Have icc use link.exe directly when Windows |
| set(CMAKE_C_CREATE_SHARED_LIBRARY "link.exe /out:<TARGET> <LINK_FLAGS> <OBJECTS> <LINK_LIBRARIES>" PARENT_SCOPE) |
| set(CMAKE_SHARED_LINKER_FLAGS "$ENV{LDFLAGS}" CACHE STRING "Linker Flags" FORCE) |
| append_linker_flags("-nologo") # Turn off tool banner. |
| append_linker_flags("-dll") |
| append_linker_flags("-WX:NO") |
| append_linker_flags("-incremental:no") |
| append_linker_flags("-version:${version}.0") |
| append_linker_flags("-NXCompat") |
| append_linker_flags("-DynamicBase") # This option modifies the header of an executable to indicate |
| # whether the application should be randomly rebased at load time. |
| if(${IA32}) |
| append_linker_flags("-machine:i386") |
| append_linker_flags("-safeseh") |
| elseif(${INTEL64}) |
| append_linker_flags("-machine:amd64") |
| endif() |
| if(${DEBUG_BUILD} OR ${RELWITHDEBINFO_BUILD}) |
| if(NOT "${pdb_file}" STREQUAL "") |
| append_linker_flags("-debug") |
| append_linker_flags("-pdb:${pdb_file}") |
| endif() |
| else() |
| if(NOT "${pdb_file}" STREQUAL "") |
| append_linker_flags("-debug") |
| append_linker_flags("-pdb:${pdb_file}") |
| append_linker_flags("-pdbstripped:${pdb_file}.stripped") |
| endif() |
| endif() |
| if(NOT "${imp_file}" STREQUAL "") |
| append_linker_flags("-implib:${lib_file}${lib}") |
| endif() |
| if(NOT "${def_file}" STREQUAL "") |
| append_linker_flags("-def:${def_file}") |
| endif() |
| elseif(${MAC}) |
| append_linker_flags("-no-intel-extensions") |
| if(NOT ${STUBS_LIBRARY}) |
| append_linker_flags_library("-pthread") # link in pthread library |
| append_linker_flags_library("-ldl") # link in libdl (dynamic loader library) |
| endif() |
| if(${STATS_GATHERING}) |
| append_linker_flags_library("-Wl,-lstdc++") # link in standard c++ library (stats-gathering needs it) |
| endif() |
| elseif(${MIC}) |
| append_linker_flags("-mmic") # enable MIC linking |
| append_linker_flags("-static-intel") # Causes Intel-provided libraries to be linked in statically. |
| append_linker_flags("-no-intel-extensions") # Enables or disables all Intel C and Intel C++ language extensions. |
| else() |
| append_linker_flags("-static-intel") # Causes Intel-provided libraries to be linked in statically. |
| append_linker_flags("-Werror") # Warnings become errors |
| if(${IA32}) |
| append_linker_flags_library("-lirc_pic") # link in libirc_pic |
| endif() |
| endif() |
| |
| set(${input_ld_flags} ${${input_ld_flags}} "${local_ld_flags}" PARENT_SCOPE) |
| set(${input_ld_flags_libs} ${${input_ld_flags_libs}} "${local_ld_flags_libs}" PARENT_SCOPE) |
| endfunction() |
| |
