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cmake: Add Link-Time Optimization option if supported

This commit is contained in:
Michael Fabian 'Xaymar' Dirks 2022-05-31 22:33:34 +02:00
parent 583ba282f8
commit a5de211768
1 changed files with 18 additions and 0 deletions
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18
CMakeLists.txt
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@ -192,6 +192,7 @@ set(CMAKE_MODULE_PATH
# Include
include("util") # CacheClear, CacheSet
include("DownloadProject") # DownloadProject
include("CheckIPOSupported") # check_ipo_supported
################################################################################
# Platform Setup
@ -261,6 +262,8 @@ if(FOUND GREATER -1)
set(D_PLATFORM_ARCH_ITANIUM ON)
endif()
check_ipo_supported(RESULT D_HAS_IPO)
set(D_PLATFORM_INSTR ${ARCH_INST})
set(D_PLATFORM_ARCH ${ARCH_INST})
message(STATUS "${LOGPREFIX} Taget is ${D_PLATFORM_BITS}bit ${ARCH_INST} with a pointer size of ${D_PLATFORM_BITS_PTR}bit.")
@ -311,6 +314,9 @@ set(${PREFIX}ENABLE_CLANG ON CACHE BOOL "Enable Clang integration for supported
set(${PREFIX}ENABLE_CODESIGN OFF CACHE BOOL "Enable Code Signing integration for supported environments.")
set(${PREFIX}ENABLE_PROFILING OFF CACHE BOOL "Enable CPU and GPU performance tracking, which has a non-zero overhead at all times. Do not enable this for release builds.")
## Compile/Link Related
set(${PREFIX}ENABLE_LTO ${D_HAS_IPO} CACHE BOOL "Enable Link Time Optimization for faster and smaller binaries.")
# Installation / Packaging
if(STANDALONE)
set(STRUCTURE_UNIFIED CACHE BOOL "Install for use in a Plugin Manager")
@ -1913,6 +1919,11 @@ target_include_directories(${PROJECT_NAME} PRIVATE ${PROJECT_INCLUDE_DIRS})
target_compile_definitions(${PROJECT_NAME} PRIVATE ${PROJECT_DEFINITIONS})
target_link_libraries(${PROJECT_NAME} ${PROJECT_LIBRARIES})
# Always generate position independent code.
set_target_properties(${PROJECT_NAME} PROPERTIES
POSITION_INDEPENDENT_CODE ON
)
# Set C++ Standard and Extensions
set_target_properties(${PROJECT_NAME} PROPERTIES
CXX_STANDARD 17
@ -1920,6 +1931,13 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
CXX_EXTENSIONS OFF
)
# Link-Time/Interprocedural Optimization
if(${PREFIX}ENABLE_LTO)
set_target_properties(${PROJECT_NAME} PROPERTIES
INTERPROCEDURAL_OPTIMIZATION ON
)
endif()
# C/C++ Compiler Adjustments
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
# MSVC/ClangCL