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fix(cmake): only define lto if CMAKE's IPO setting is unset (#4643) 

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
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Henry Schreiner 2023-04-29 10:15:45 -04:00 committed by GitHub
parent 5e946c2fa5
commit 956390a87f
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1 changed files with 9 additions and 7 deletions
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16
tools/pybind11Common.cmake
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@ -5,8 +5,8 @@ Adds the following targets::
pybind11::pybind11 - link to headers and pybind11
pybind11::module - Adds module links
pybind11::embed - Adds embed links
pybind11::lto - Link time optimizations (manual selection)
pybind11::thin_lto - Link time optimizations (manual selection)
pybind11::lto - Link time optimizations (only if CMAKE_INTERPROCEDURAL_OPTIMIZATION is not set)
pybind11::thin_lto - Link time optimizations (only if CMAKE_INTERPROCEDURAL_OPTIMIZATION is not set)
pybind11::python_link_helper - Adds link to Python libraries
pybind11::windows_extras - MSVC bigobj and mp for building multithreaded
pybind11::opt_size - avoid optimizations that increase code size
@ -20,7 +20,7 @@ Adds the following functions::
# CMake 3.10 has an include_guard command, but we can't use that yet
# include_guard(global) (pre-CMake 3.10)
if(TARGET pybind11::lto)
if(TARGET pybind11::pybind11)
return()
endif()
@ -372,11 +372,13 @@ function(_pybind11_generate_lto target prefer_thin_lto)
endif()
endfunction()
add_library(pybind11::lto IMPORTED INTERFACE ${optional_global})
_pybind11_generate_lto(pybind11::lto FALSE)
if(NOT DEFINED CMAKE_INTERPROCEDURAL_OPTIMIZATION)
add_library(pybind11::lto IMPORTED INTERFACE ${optional_global})
_pybind11_generate_lto(pybind11::lto FALSE)
add_library(pybind11::thin_lto IMPORTED INTERFACE ${optional_global})
_pybind11_generate_lto(pybind11::thin_lto TRUE)
add_library(pybind11::thin_lto IMPORTED INTERFACE ${optional_global})
_pybind11_generate_lto(pybind11::thin_lto TRUE)
endif()
# ---------------------- pybind11_strip -----------------------------