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pcsx2
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Removes LTO warnings and sets -flto=number of cores.

This commit is contained in:
np511 2016-12-31 19:01:14 -05:00
parent 9d1b27cde8
commit f55f3b94a1
2 changed files with 5 additions and 12 deletions
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1
build.sh
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@ -87,6 +87,7 @@ for ARG in "$@"; do
-D* ) flags="$flags $ARG" ;; -D* ) flags="$flags $ARG" ;;
*) *)
echo $ARG
# Unknown option # Unknown option
echo "** User options **" echo "** User options **"
echo "--dev / --devel : Build PCSX2 as a Development build." echo "--dev / --devel : Build PCSX2 as a Development build."

16
cmake/BuildParameters.cmake
View File

@ -295,7 +295,7 @@ endif()
#------------------------------------------------------------------------------- #-------------------------------------------------------------------------------
# Set some default compiler flags # Set some default compiler flags
#------------------------------------------------------------------------------- #-------------------------------------------------------------------------------
option(USE_LTO "Enable LTO optimization (will likely break the build)") option(USE_LTO "Enable LTO optimization")
option(USE_PGO_GENERATE "Enable PGO optimization (generate profile)") option(USE_PGO_GENERATE "Enable PGO optimization (generate profile)")
option(USE_PGO_OPTIMIZE "Enable PGO optimization (use profile)") option(USE_PGO_OPTIMIZE "Enable PGO optimization (use profile)")
@ -337,18 +337,12 @@ elseif (USE_GCC)
endif() endif()
if (USE_LTO) if (USE_LTO)
message(WARNING "LTO has not been thoroughly tested. It should work fine, but a bug is not impossible.") include(ProcessorCount)
#gcc --print-file-name=liblto_plugin.so ProcessorCount(ncpu)
#set(LTO_FLAGS "-fuse-linker-plugin -flto=4 --plugin=/usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so") set(LTO_FLAGS "-fuse-linker-plugin -flto=${ncpu}")
#set(LTO_FLAGS "-fuse-linker-plugin -fuse-ld=gold -flto=4 --plugin=/usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so")
set(LTO_FLAGS "-fuse-linker-plugin -flto=4")
#set(LINK_FLAGS "--plugin=/usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so")
set(DBG "") # not supported with LTO set(DBG "") # not supported with LTO
message(STATUS "Using \"gcc-ar\" instead of \"ar\"")
set(CMAKE_AR /usr/bin/gcc-ar CACHE STRING "Archiver" FORCE) set(CMAKE_AR /usr/bin/gcc-ar CACHE STRING "Archiver" FORCE)
message(STATUS "Using \"gcc-ranlib\" instead of \"ranlib\"")
set(CMAKE_RANLIB /usr/bin/gcc-ranlib CACHE STRING "ranlib" FORCE) set(CMAKE_RANLIB /usr/bin/gcc-ranlib CACHE STRING "ranlib" FORCE)
message(STATUS "Using \"gcc-nm\" instead of \"nm\"")
set(CMAKE_NM /usr/bin/gcc-nm CACHE STRING "nm" FORCE) set(CMAKE_NM /usr/bin/gcc-nm CACHE STRING "nm" FORCE)
else() else()
set(LTO_FLAGS "") set(LTO_FLAGS "")
@ -359,12 +353,10 @@ if (USE_PGO_GENERATE OR USE_PGO_OPTIMIZE)
endif() endif()
if (USE_PGO_GENERATE) if (USE_PGO_GENERATE)
message(WARNING "PGO has not been thoroughly tested. A bug is not impossible.")
set(PGO_FLAGS "${PGO_FLAGS} -fprofile-generate") set(PGO_FLAGS "${PGO_FLAGS} -fprofile-generate")
endif() endif()
if(USE_PGO_OPTIMIZE) if(USE_PGO_OPTIMIZE)
message(WARNING "PGO has not been thoroughly tested. A bug is not impossible.")
set(PGO_FLAGS "${PGO_FLAGS} -fprofile-use") set(PGO_FLAGS "${PGO_FLAGS} -fprofile-use")
endif() endif()