For portability; the realpath command (e.g. from GNU coreutils)
is not so common outside Linux systems.
The "$(cd emacs && pwd -P)" replaces that realpath(1) execution
suitably in this context (using just bash(1) builtins).
---
Quotes ("") added for it to be better example for someone(tm) who
may look it while writing some other shell script elsewhere;
here, as $IFS characters are not (currently!) allowed in $PWD
those makes no difference...
configure | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure b/configure
index 40e8b255..cfa9c09b 100755
--- a/configure
+++ b/configure
@@ -1536,7 +1536,7 @@ EOF
if [ $WITH_PYTHON_DOCS = "1" ]; then
echo "tags.add('WITH_PYTHON')"
fi
-printf "rsti_dir = '%s'\n" $(realpath emacs)
+printf "rsti_dir = '%s'\n" "$(cd emacs && pwd -P)"
} > sphinx.config
# Finally, after everything configured, inform the user how to continue.
--
2.25.1
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