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fix(cmake): support vcpkg, try 2 #4123

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Aug 9, 2022
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12 changes: 8 additions & 4 deletions tools/pybind11Tools.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,7 @@ if(PYTHON_IS_DEBUG)
PROPERTY INTERFACE_COMPILE_DEFINITIONS Py_DEBUG)
endif()

# The <3.11 code here does not support release/debug builds at the same time, like on vcpkg
if(CMAKE_VERSION VERSION_LESS 3.11)
set_property(
TARGET pybind11::module
Expand All @@ -130,16 +131,19 @@ if(CMAKE_VERSION VERSION_LESS 3.11)
APPEND
PROPERTY INTERFACE_LINK_LIBRARIES pybind11::pybind11 $<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)
else()
# The IMPORTED INTERFACE library here is to ensure that "debug" and "release" get processed outside
# of a generator expression - https://gitlab.kitware.com/cmake/cmake/-/issues/18424, as they are
# target_link_library keywords rather than real libraries.
add_library(pybind11::_ClassicPythonLibraries IMPORTED INTERFACE)
target_link_libraries(pybind11::_ClassicPythonLibraries INTERFACE ${PYTHON_LIBRARIES})
target_link_libraries(
pybind11::module
INTERFACE
pybind11::python_link_helper
"$<$<OR:$<PLATFORM_ID:Windows>,$<PLATFORM_ID:Cygwin>>:$<BUILD_INTERFACE:${PYTHON_LIBRARIES}>>"
)
"$<$<OR:$<PLATFORM_ID:Windows>,$<PLATFORM_ID:Cygwin>>:pybind11::_ClassicPythonLibraries>")

target_link_libraries(pybind11::embed INTERFACE pybind11::pybind11
$<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)

pybind11::_ClassicPythonLibraries)
endif()

function(pybind11_extension name)
Expand Down