In http://lists.gnu.org/archive/html/bug-autoconf/2015-12/msg00000.html
Pavel Raiskup reports that ${1+"$@"} runs afoul of a bug in /bin/sh
(derived from ksh 93t+ 2010-03-05). ${1+"$@"} works around an ancient
bug in long-dead shells, so remove the workaround.
* admin/check-doc-strings, configure.ac, lib-src/rcs2log:
Use plain "$@" rather than ${1+"$@"}.
: #-*- Perl -*-
-eval 'exec perl -S $0 ${1+"$@"}' # Portability kludge
+eval 'exec perl -S $0 "$@"' # Portability kludge
if 0;
# Author: Martin Buchholz
print "nuke-this-doc: $fun $texi_funtype{$fun}\n";
}
}
-
optsep=
dnl This is the documented way to record the args passed to configure,
dnl rather than $ac_configure_args.
-for opt in ${1+"$@"} CFLAGS CPPFLAGS LDFLAGS; do
+for opt in "$@" CFLAGS CPPFLAGS LDFLAGS; do
case $opt in
-n | --no-create | --no-recursion)
continue ;;
esac
case $datearg in
- ?*) $rlog $rlog_options "$datearg" ${1+"$@"} >$rlogfile;;
- '') $rlog $rlog_options ${1+"$@"} >$rlogfile;;
+ ?*) $rlog $rlog_options "$datearg" "$@" >$rlogfile;;
+ '') $rlog $rlog_options "$@" >$rlogfile;;
esac || exit;;
esac