# trim.m4 -*- Autoconf -*- #============================================================================== # Copyright (C)2003 by Eric Sunshine # # This library is free software; you can redistribute it and/or modify it # under the terms of the GNU Library General Public License as published by # the Free Software Foundation; either version 2 of the License, or (at your # option) any later version. # # This library is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public # License for more details. # # You should have received a copy of the GNU Library General Public License # along with this library; if not, write to the Free Software Foundation, # Inc., 675 Mass Ave, Cambridge, MA 02139, USA. # #============================================================================== AC_PREREQ([2.56]) #------------------------------------------------------------------------------ # CS_TRIM(STRING) # Strip leading and trailing spaces from STRING and collapse internal # runs of multiple spaces to a single space. #------------------------------------------------------------------------------ AC_DEFUN([CS_TRIM], [`echo x$1 | sed 's/^x//;s/ */ /g;s/^ //;s/ $//'`])