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From: Markus Blatt <markus@dr-blatt.de>
Date: Wed, 24 Apr 2024 15:18:11 +0200
Subject: Prevent pybind11 from stripping debug symbols
pybind11_add_module will strip debug symbols if CMAKE_BUILD_TYPE is
neither Debug nor RelWithDebInfo) and there is no option to prevent
this. To fix this we temporarily reset the CMAKE_BUILD_TYPE to Debug
We noticed the problem in the build logs:
dh_dwz -a -O--max-parallel=2
dwz -- debian/libopm-common/usr/lib/x86_64-linux-gnu/libopmcommon.so.2024.04
install -m0755 -d debian/python3-opm-common/usr/lib/debug/.dwz/x86_64-linux-gnu
dwz -mdebian/python3-opm-common/usr/lib/debug/.dwz/x86_64-linux-gnu/python3-opm-common.debug -M/usr/lib/debug/.dwz/x86_64-linux-gnu/python3-opm-common.debug -- debian/python3-opm-common/usr/lib/python3/dist-packages/opm/opmcommon_python.cpython-311-x86_64-linux-gnu.so debian/python3-opm-common/usr/lib/python3/dist-packages/opm_embedded.cpython-311-x86_64-linux-gnu.so
install -m0755 -d debian/libopm-common-bin/usr/lib/debug/.dwz/x86_64-linux-gnu
dwz -mdebian/libopm-common-bin/usr/lib/debug/.dwz/x86_64-linux-gnu/libopm-common-bin.debug -M/usr/lib/debug/.dwz/x86_64-linux-gnu/libopm-common-bin.debug -- debian/libopm-common-bin/usr/bin/arraylist debian/libopm-common-bin/usr/bin/co2brinepvt debian/libopm-common-bin/usr/bin/compareECL debian/libopm-common-bin/usr/bin/convertECL debian/libopm-common-bin/usr/bin/hysteresis debian/libopm-common-bin/usr/bin/opmhash debian/libopm-common-bin/usr/bin/opmpack debian/libopm-common-bin/usr/bin/rst_deck debian/libopm-common-bin/usr/bin/summary
dwz: debian/python3-opm-common/usr/lib/python3/dist-packages/opm/opmcommon_python.cpython-311-x86_64-linux-gnu.so: .debug_info section not present
dwz: debian/python3-opm-common/usr/lib/python3/dist-packages/opm_embedded.cpython-311-x86_64-linux-gnu.so: .debug_info section not present
---
CMakeLists.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1e7ae6b..98415a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -426,12 +426,18 @@ if (OPM_ENABLE_PYTHON)
file(COPY ${PROJECT_SOURCE_DIR}/python/README.md ${PROJECT_SOURCE_DIR}/python/MANIFEST.in
DESTINATION ${PROJECT_BINARY_DIR}/python)
+ # pybind11 will always strip debug symbols if CMAKE_BUILD_TYPE is empty
+ # We simply reset here to Debug to prevent stripping.
+ set(OPM_CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}")
+ set(CMAKE_BUILD_TYPE Debug)
pybind11_add_module(opmcommon_python
${PYTHON_CXX_SOURCE_FILES}
${PROJECT_BINARY_DIR}/python/cxx/builtin_pybind11.cpp)
target_link_libraries(opmcommon_python PRIVATE
opmcommon)
+ set(CMAKE_BUILD_TYPE "${OLD_CMAKE_BUILD_TYPE}")
+
if(TARGET pybind11::pybind11)
target_link_libraries(opmcommon_python PRIVATE
pybind11::pybind11)
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