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flto-thin, heck yeah

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DarthArgus
2016-12-16 07:28:06 +00:00
parent d77e4e187d
commit a6cbda2a4d
1 changed files with 7 additions and 9 deletions
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CMakeLists.txt
+7 -9
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@@ -70,12 +70,7 @@ elseif(UNIX)
find_package(Curses REQUIRED)
# linker flags
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,-O3,--sort-common,--as-needed")
if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS},--relax,-z,combreloc,-z,global,--no-omagic,-x,-s")
endif()
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,-O3,--sort-common,--as-needed,--relax,-z,combreloc,-z,global,--no-omagic")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
# don't put anything too crazy in debug...and any common flags go into CMAKE_CXX_FLAGS
@@ -88,10 +83,13 @@ elseif(UNIX)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -fno-assume-sane-operator-new")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -ggdb")
if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto=thin")
endif()
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
# O3 and Ofast include one or more flags that cause java to crash when using gcc6
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2 -fno-signed-zeros \
-freciprocal-math -ffp-contract=fast")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2 -fno-signed-zeros -freciprocal-math -ffp-contract=fast")
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
endif()
@@ -102,7 +100,7 @@ elseif(UNIX)
-Wformat -Wno-overloaded-virtual -Wno-missing-braces -Wno-format \
-Wno-write-strings -Wno-unknown-pragmas \
-Wno-uninitialized -Wno-reorder")
add_definitions(-DLINUX -D_REENTRANT -Dlinux -D_USING_STL -D_GNU_SOURCE -D_XOPEN_SOURCE=500)
endif()