https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65018
--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:3dbd4d94bf380f3efa8bba9b203ce7d4c8f47fbb commit r12-2631-g3dbd4d94bf380f3efa8bba9b203ce7d4c8f47fbb Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Jul 30 13:56:14 2021 +0100 libstdc++: Use secure_getenv for filesystem::temp_directory_path() [PR65018] This adds a configure check for the GNU extension secure_getenv and then uses it for looking up TMPDIR and similar variables. Signed-off-by: Jonathan Wakely <jwak...@redhat.com> libstdc++-v3/ChangeLog: PR libstdc++/65018 * configure.ac: Check for secure_getenv. * config.h.in: Regenerate. * configure: Regenerate. * src/filesystem/ops-common.h (get_temp_directory_from_env): New helper function to obtain path from the environment. * src/c++17/fs_ops.cc (fs::temp_directory_path): Use new helper. * src/filesystem/ops.cc (fs::temp_directory_path): Likewise. * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Print messages if test cannot be run. * testsuite/experimental/filesystem/operations/temp_directory_path.cc: Likewise. Fix incorrect condition. Use "TMP" to work with Windows as well as POSIX.
