/etc/R/ldpaths is in r-base-core 3.4.4-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | : ${JAVA_HOME=/usr/lib/jvm/default-java}
: ${R_JAVA_LD_LIBRARY_PATH=${JAVA_HOME}/lib/server}
if test -n "/usr/lib/x86_64-linux-gnu"; then
: ${R_LD_LIBRARY_PATH=${R_HOME}/lib:/usr/lib/x86_64-linux-gnu}
else
: ${R_LD_LIBRARY_PATH=${R_HOME}/lib}
fi
if test -n "${R_JAVA_LD_LIBRARY_PATH}"; then
R_LD_LIBRARY_PATH="${R_LD_LIBRARY_PATH}:${R_JAVA_LD_LIBRARY_PATH}"
fi
## This is DYLD_FALLBACK_LIBRARY_PATH on Darwin (macOS) and
## LD_LIBRARY_PATH elsewhere.
## However, on macOS >=10.11 (if SIP is enabled, the default), the
## environment value will not be passed to a script such as R.sh, so
## would not seen here.
if test -z "${LD_LIBRARY_PATH}"; then
LD_LIBRARY_PATH="${R_LD_LIBRARY_PATH}"
else
LD_LIBRARY_PATH="${R_LD_LIBRARY_PATH}:${LD_LIBRARY_PATH}"
fi
export LD_LIBRARY_PATH
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