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Add LTCG option for win32

This commit is contained in:
Marek Roszko 2024-02-01 22:01:45 -05:00
parent 366d8ecb73
commit ef06e95798
1 changed files with 17 additions and 0 deletions
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17
CMakeLists.txt
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@ -210,6 +210,11 @@ cmake_dependent_option( KICAD_WIN32_BUILD_PARALLEL_CL_MP
OFF "WIN32"
OFF )
cmake_dependent_option( KICAD_WIN32_LTCG
"Enable Whole Program Optimization"
OFF "WIN32"
OFF )
# Advanced option to make link maps (only available on linux)
cmake_dependent_option( KICAD_MAKE_LINK_MAPS
"Create link maps for artifacts"
@ -540,6 +545,12 @@ if( MSVC )
string( APPEND CMAKE_CXX_FLAGS " /fsanitize=address" )
endif()
if( KICAD_WIN32_LTCG )
# we are implementing this manually because CMake's LTCG option is incomplete
# https://gitlab.kitware.com/cmake/cmake/-/issues/20484
string( APPEND CMAKE_CXX_FLAGS_RELEASE " /GL" )
endif()
foreach( type EXE SHARED MODULE)
# /DEBUG: create PDB
string( APPEND CMAKE_${type}_LINKER_FLAGS " /DEBUG /MANIFEST:NO" )
@ -549,6 +560,12 @@ if( MSVC )
# /OPT:ICF: fold common data
string( APPEND CMAKE_${type}_LINKER_FLAGS_RELEASE " /OPT:ICF /MANIFEST:NO" )
string( APPEND CMAKE_${type}_LINKER_FLAGS_RELWITHDEBINFO " /OPT:ICF /MANIFEST:NO" )
if( KICAD_WIN32_LTCG )
# we are implementing this manually because CMake's LTCG option is incomplete
# https://gitlab.kitware.com/cmake/cmake/-/issues/20484
string( APPEND CMAKE_${type}_LINKER_FLAGS_RELEASE " /LTCG" )
endif()
endforeach()
# Let cl.exe parallelize builds