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AC_PROG_SCP
Check for the program 'scp', let script continue if exists, pops up error message if not.
Besides checking existence, this macro also set these environment variables upon completion:
SCP = which scp
1.1 (last modified: 2002-04-11)
Gleen Salmon <gleensalmon@yahoo.com>
AC_DEFUN([AC_PROG_SCP],[ AC_REQUIRE([AC_EXEEXT])dnl AC_PATH_PROG(SCP, scp$EXEEXT, nocommand) if test "$SCP" = nocommand; then AC_MSG_ERROR([scp not found in $PATH]) fi;dnl ])