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#
#//===----------------------------------------------------------------------===//
#//
#// The LLVM Compiler Infrastructure
#//
#// This file is dual licensed under the MIT and the University of Illinois Open
#// Source Licenses. See LICENSE.txt for details.
#//
#//===----------------------------------------------------------------------===//
#
# This file holds GNU (gcc/g++) specific compiler dependent flags
# The flag types are:
# 2) C/C++ Compiler flags
# 4) Linker flags
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 __float128)
#########################################################
# 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)
append_c_and_cxx_flags("-std=c++0x") # Enables support for many C++11 (formerly known as C++0x) features. The following are the most recently added features:
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(${IA32})
append_c_and_cxx_flags("-m32") # Generate 32 bit IA-32 architecture code
append_c_and_cxx_flags("-msse2") # Allow use of Streaming SIMD Instructions
elseif(${ARM})
append_c_and_cxx_flags("-marm") # Target the ARM architecture
endif()
set(${input_c_flags} ${${input_c_flags}} "${local_c_flags}" PARENT_SCOPE)
set(${input_cxx_flags} ${${input_cxx_flags}} "${local_cxx_flags}" PARENT_SCOPE)
endfunction()
#########################################################
# Linker flags
function(append_compiler_specific_linker_flags input_ld_flags input_ld_flags_libs)
set(local_ld_flags)
set(local_ld_flags_libs)
if(${WINDOWS})
elseif(${MAC})
elseif(${MIC})
else()
append_linker_flags("-static-libgcc") # Causes libgcc to be linked in statically
endif()
if(${IA32})
append_linker_flags("-m32")
append_linker_flags("-msse2")
endif()
set(${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()
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