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configure.ac: Add workaround on MacOS for "readlink -f"

MacOS does not have "readlink -f" or "realpath", so use the
MacOS-provided Python, which we know has os.path.realpath().

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
(cherry picked from commit ddf216b0a3)
This commit is contained in:
Jeff Squyres 2020-10-28 22:47:28 -04:00
parent 35e7d86eb1
commit 234356a128
1 changed files with 21 additions and 3 deletions

View File

@ -125,11 +125,29 @@ AC_DEFUN([OMPI_CHECK_DIR_FOR_SPACES],[
AC_MSG_ERROR([Cannot continue.])])
])
AC_DEFUN([OMPI_CANONICALIZE_PATH],[
case $host_os in
darwin*)
# MacOS does not have "readlink -f" or realpath (at least as
# of MacOS Cataline / 10.15). Instead, use Python, because we
# know MacOS comes with a /usr/bin/python that has
# os.path.realpath.
$2=`/usr/bin/python -c 'import os; print os.path.realpath("'$1'")'`
;;
*)
$2=`readlink -f $1`
;;
esac
])
OMPI_CHECK_DIR_FOR_SPACES([$srcdir], [a], [source tree])
OMPI_CHECK_DIR_FOR_SPACES([`readlink -f $srcdir`], [an], [absolute source tree])
OMPI_CHECK_DIR_FOR_SPACES([`readlink -f .`], [a], [build tree])
OMPI_CANONICALIZE_PATH([$srcdir], [ompi_dir])
OMPI_CHECK_DIR_FOR_SPACES([$ompi_dir], [an], [absolute source tree])
OMPI_CANONICALIZE_PATH([.], [ompi_dir])
OMPI_CHECK_DIR_FOR_SPACES([$ompi_dir], [a], [build tree])
OMPI_CHECK_DIR_FOR_SPACES([$prefix], [a], [prefix])
OMPI_CHECK_DIR_FOR_SPACES([`readlink -f $prefix`], [an], [absolute prefix])
OMPI_CANONICALIZE_PATH([$prefix], [ompi_dir])
OMPI_CHECK_DIR_FOR_SPACES([$ompi_dir], [an], [absolute prefix])
opal_show_subtitle "Checking versions"