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Revert Python GCC 11 portability change while replacement is validated #97

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Merged
SicongLiu2000 merged 1 commit into from
Jul 23, 2026
Merged

Revert Python GCC 11 portability change while replacement is validated #97

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11 changes: 3 additions & 8 deletions language-extensions/python/src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -54,10 +54,7 @@ if (${PLATFORM} STREQUAL linux)

target_compile_options(PythonExtension PRIVATE -Wall -Wextra -g -O2 -fPIC -Werror -std=c++17 -Wno-unused-parameter -Wno-maybe-uninitialized -fshort-wchar)

# Static-link libstdc++/libgcc so libPythonExtension.so does not require a newer system
# GLIBCXX at load time (RHEL9 ships libstdc++ without GLIBCXX_3.4.32). --exclude-libs,ALL
# localizes the statically-linked symbols so they do not interpose the C++ host runtime.
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed -Wl,--export-dynamic -fopenmp -static-libstdc++ -static-libgcc -Wl,--exclude-libs,ALL")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--as-needed -Wl,--export-dynamic -fopenmp")

# Prefer shared libraries over static libraries
set(CMAKE_FIND_LIBRARY_SUFFIXES .so .so.1.0 ${CMAKE_FIND_LIBRARY_SUFFIXES})
Expand All @@ -75,10 +72,8 @@ if (${PLATFORM} STREQUAL linux)
message(STATUS "Shared Python library not found in standard locations, trying system default search")
find_library(PYTHON_LIB python${PYTHON_VERSION})
endif()
# Static-link Boost.Python/Boost.NumPy from the from-source boost root so
# libPythonExtension.so is self-contained (no external boost .so; portable across distros).
find_library(BOOST_PYTHON_LIB NAMES libboost_python${PYTHON_VERSION_NO_DOT}.a PATHS ${BOOST_PYTHON_ROOT} NO_DEFAULT_PATH)
find_library(BOOST_NUMPY_LIB NAMES libboost_numpy${PYTHON_VERSION_NO_DOT}.a PATHS ${BOOST_PYTHON_ROOT} NO_DEFAULT_PATH)
find_library(BOOST_PYTHON_LIB boost_python${PYTHON_VERSION_NO_DOT} ${BOOST_PYTHON_ROOT})
find_library(BOOST_NUMPY_LIB boost_numpy${PYTHON_VERSION_NO_DOT} ${BOOST_PYTHON_ROOT})

file(TO_CMAKE_PATH ${INCLUDE_ROOT}/python${PYTHON_VERSION} PYTHON_INCLUDE)
file(TO_CMAKE_PATH ${INCLUDE_ROOT}/boost BOOST_INCLUDE)
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8 changes: 2 additions & 6 deletions restore-packages.sh
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Expand Up @@ -6,13 +6,9 @@ apt-get -q -y install unixodbc-dev

apt-get update -y
apt-get install build-essential software-properties-common -y
# Use GCC 11 (native on the Ubuntu 22.04 build image) so the extension links against
# GLIBCXX_3.4.29 / glibc 2.35 and stays loadable on RHEL9 (glibc 2.34). GCC 13 emitted
# GLIBCXX_3.4.32 and glibc 2.38 symbol references (_dl_find_object, arc4random,
# __isoc23_*) that RHEL9 cannot satisfy, so libPythonExtension.so failed to load there.
apt-get install gcc-11 g++-11 -y
apt-get install gcc-13 g++-13 -y
apt-get install cmake -y
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 70 --slave /usr/bin/g++ g++ /usr/bin/g++-11
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 70 --slave /usr/bin/g++ g++ /usr/bin/g++-13

exit $?