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visualboyadvance-m
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add LTO option, disable on GCC+AMD64+Win32 

Add ENABLE_LTO cmake option that defaults to ON except on GCC building
for AMD64 on Win32.

Also set the cmake variables AMD64 or X86_32 when one of these
architectures is detected.
This commit is contained in:
Rafael Kitover 2016-11-27 15:37:24 -08:00
parent 7f6374356d
commit 37518fc88b
1 changed files with 27 additions and 14 deletions
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41
CMakeLists.txt
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@ -29,11 +29,15 @@ SET(ASM_SCALERS_DEFAULT OFF)
SET(MMX_DEFAULT OFF)
# turn asm on by default on 32bit x86
IF(CMAKE_SYSTEM_PROCESSOR MATCHES "[xX]86|[aA][mM][dD]64|[xX]64"
AND CMAKE_C_SIZEOF_DATA_PTR EQUAL 4)
SET(ASM_CORE_DEFAULT ON)
SET(ASM_SCALERS_DEFAULT ON)
SET(MMX_DEFAULT ON)
IF(CMAKE_SYSTEM_PROCESSOR MATCHES "[xX]86|[aA][mM][dD]64|[xX]64")
IF(CMAKE_C_SIZEOF_DATA_PTR EQUAL 4) # 32 bit
SET(ASM_CORE_DEFAULT ON)
SET(ASM_SCALERS_DEFAULT ON)
SET(MMX_DEFAULT ON)
SET(X86_32 ON)
ELSE()
SET(AMD64 ON)
ENDIF()
ENDIF()
option( ENABLE_ASM_CORE "Enable x86 ASM CPU cores" ${ASM_CORE_DEFAULT})
@ -54,6 +58,14 @@ ENDIF()
option(ENABLE_FFMPEG "Enable ffmpeg A/V recording" ${FFMPEG_DEFAULT})
SET(LTO_DEFAULT ON)
IF(AMD64 AND WIN32 AND CMAKE_COMPILER_IS_GNUCXX)
SET(LTO_DEFAULT OFF)
ENDIF()
OPTION(ENABLE_LTO "Compile with Link Time Optimization (gcc and clang only)" ${LTO_DEFAULT})
option( ENABLE_GBA_LOGGING "Enable extended GBA logging" ON )
if( ENABLE_GBA_LOGGING )
ADD_DEFINITIONS (-DGBA_LOGGING )
@ -138,9 +150,7 @@ IF(APPLE)
ENDIF(APPLE)
# We do not support amd64 asm yet
IF((ENABLE_ASM_CORE OR ENABLE_ASM_SCALERS OR ENABLE_MMX)
AND CMAKE_SYSTEM_PROCESSOR MATCHES "[xX]86|[aA][mM][dD]64|[xX]64"
AND CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
IF(AMD64 AND (ENABLE_ASM_CORE OR ENABLE_ASM_SCALERS OR ENABLE_MMX))
MESSAGE(FATAL_ERROR "The options ASM_CORE, ASM_SCALERS and MMX are not supported on AMD64 yet.")
ENDIF()
@ -291,11 +301,14 @@ ENDIF()
# Compiler flags
IF(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
IF(CMAKE_COMPILER_IS_GNUCXX)
SET(LTO_FLAG -flto=10)
ELSE()
SET(LTO_FLAG -flto)
ENDIF()
SET(LTO_FLAG "")
IF(ENABLE_LTO)
IF(CMAKE_COMPILER_IS_GNUCXX)
SET(LTO_FLAG -flto=10)
ELSE()
SET(LTO_FLAG -flto)
ENDIF()
ENDIF(ENABLE_LTO)
# common optimization flags
SET(MY_C_AND_CXX_OPT_FLAGS -O2 -mtune=generic -fomit-frame-pointer ${LTO_FLAG})
@ -385,7 +398,7 @@ ELSEIF("${CMAKE_SYSTEM}" MATCHES "Linux")
ADD_DEFINITIONS(-DELF)
ENDIF()
IF(CMAKE_SYSTEM_PROCESSOR MATCHES "[xX]86|[aA][mM][dD]64|[xX]64" AND CMAKE_C_SIZEOF_DATA_PTR EQUAL 8)
IF(AMD64)
ADD_DEFINITIONS(-D__AMD64__)
ENDIF()