Commit 96b28307 authored by Michael Hanselmann's avatar Michael Hanselmann
Browse files

Add version check for Sphinx



Sphinx 1.0 and above can check version by setting “needs_sphinx” in the
configuration.
Signed-off-by: default avatarMichael Hanselmann <hansmi@google.com>
Reviewed-by: default avatarGuido Trotter <ultrotter@google.com>
parent 41806ef4
......@@ -373,6 +373,18 @@ if test -z "$SPHINX"
then
AC_MSG_WARN(m4_normalize([sphinx-build not found, documentation rebuild will
not be possible]))
else
# Sphinx exits with code 1 when it prints its usage
sphinxver=`{ $SPHINX --version 2>&1 || :; } | head -n 3`
if ! echo "$sphinxver" | grep -q -w -e '^Sphinx' -e '^Usage:'; then
AC_MSG_ERROR([Unable to determine Sphinx version])
# Note: Character classes ([...]) need to be double quoted due to autoconf
# using m4
elif ! echo "$sphinxver" | grep -q -E '^Sphinx[[[:space:]]]+v[[1-9]]\>'; then
AC_MSG_ERROR([Sphinx 1.0 or higher is required])
fi
fi
AC_ARG_ENABLE([manpages-in-doc],
......
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