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fix: ipo should be off for debug or relwithdebinfo (#2590)

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* fix: ipo should be off for debug or relwithdebinfo

Closes #2587

* docs: slightly more detailed about IPO

* Update pybind11Common.cmake
This commit is contained in:
Henry Schreiner
2020-10-14 13:43:31 -04:00
committed by GitHub
parent 3be085d194
commit a8c2e3eec5
2 changed files with 12 additions and 3 deletions
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tools/pybind11Common.cmake
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@@ -327,7 +327,9 @@ function(_pybind11_generate_lto target prefer_thin_lto)
# Enable LTO flags if found, except for Debug builds
if(PYBIND11_LTO_CXX_FLAGS)
set(not_debug "$<NOT:$<CONFIG:Debug>>")
# CONFIG takes multiple values in CMake 3.19+, until then we have to use OR
set(is_debug "$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>")
set(not_debug "$<NOT:${is_debug}>")
set(cxx_lang "$<COMPILE_LANGUAGE:CXX>")
if(MSVC AND CMAKE_VERSION VERSION_LESS 3.11)
set(genex "${not_debug}")