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Allow using system pybind11 if it exists. 

Integrated upstream from https://salsa.debian.org/science-team/gtsam/-/blob/master/debian/patches/0003-Using-the-system-pybind11.patch
with the additional fix for the cmake policy.

cc: @dkogan
release/4.3a0
Jose Luis Blanco Claraco 2023-03-06 01:15:00 +01:00
parent eda4a08b4b
commit ffc09cb56b
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GPG Key ID: D443304FBD70A641
1 changed files with 13 additions and 1 deletions
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14
python/CMakeLists.txt
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@ -21,7 +21,19 @@ include(PybindWrap)
## Load the necessary files to compile the wrapper
# Load the pybind11 code
add_subdirectory(${PROJECT_SOURCE_DIR}/wrap/pybind11 pybind11)
# This is required to avoid an error in modern pybind11 cmake scripts:
if(POLICY CMP0057)
cmake_policy(SET CMP0057 NEW)
endif()
# Prefer system pybind11 first, if not found, rely on bundled version:
find_package(pybind11 CONFIG QUIET)
if (NOT pybind11_FOUND)
add_subdirectory(${PROJECT_SOURCE_DIR}/wrap/pybind11 pybind11)
endif()
# Set the wrapping script variable
set(PYBIND_WRAP_SCRIPT "${PROJECT_SOURCE_DIR}/wrap/scripts/pybind_wrap.py")
############################################################