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Link-time optimization #5

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Link-time optimization #5

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c6e55d7
check and enable LTO
bjia56 Mar 19, 2024
6e383f7
check LTO for C
bjia56 Mar 19, 2024
4e4df6e
print IPO check error
bjia56 Mar 19, 2024
8dfcd35
try without specifying C
bjia56 Mar 19, 2024
4a790bd
enable C
bjia56 Mar 19, 2024
19dc057
move IPO check lower
bjia56 Mar 19, 2024
4e425ac
Merge remote-tracking branch 'origin/portable-python' into enable-lto
bjia56 Mar 19, 2024
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10 changes: 10 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -395,6 +395,16 @@ if(WIN32 AND IS_PY3)
enable_language(CXX)
endif()

# https://stackoverflow.com/a/47370726
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_ERROR)
if(IPO_SUPPORTED)
message(STATUS "IPO / LTO enabled")
set(INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
message(STATUS "IPO / LTO not supported: <${IPO_ERROR}>")
endif()

if(PY_VERSION VERSION_GREATER_EQUAL "3.11")
find_package(Python3 COMPONENTS Interpreter)
endif()
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