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build: Select the libboost_python matching the python version. #4209

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Merged
grandixximo merged 1 commit into from
Jun 29, 2026
Merged

build: Select the libboost_python matching the python version. #4209

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15 changes: 14 additions & 1 deletion src/m4/ax_boost_python.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,20 @@ BOOST_PYTHON_MODULE(test) { throw "Boost::Python test."; }]], [])],
])
if test "$ac_cv_boost_python" = "yes"; then
AC_DEFINE(HAVE_BOOST_PYTHON,,[define if the Boost::Python library is available])
ax_python_lib=boost_python
# Debian sid after trixie installs both libboost_python313 and
# libboost_python314 but it ships with Python 3.14. The detection loop fails
# to select to correct version and that results in a crash.
if test "x$ac_python_version" != "x"; then
# This is set in m4/ax_python_devel.m4
python_version=`echo $ac_python_version | tr -d .`
else
# Get the version from the binary and use it.
python_version=`$PYTHON_BIN -c 'import sys; print("{}{}".format(sys.version_info.major,sys.version_info.minor))'`
fi
# We use the original versionless test first and append a versioned one with
# the detected Python version to force the version matched library to be
# tested before any file-system located libraries.
ax_python_lib="boost_python boost_python$python_version"
AC_ARG_WITH([boost-python],AS_HELP_STRING([--with-boost-python],[specify yes/no or the boost python library or suffix to use]),
[if test "x$with_boost_python" != "xno" -a "x$with_boost_python" != "xyes"; then
ax_python_lib=$with_boost_python
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