to escape $ properly in combination with double_quote_subst.
(func_quote_for_eval): Four space indent margin for functions!
(func_quote_for_expand): Use $sed_double_backslash.
(func_show_eval): New function that echos an escaped but variable
expanded command, and then evaluates it.
from the match character set.
(double_quote_subst): Ditto.
* lib/general.m4sh (sed_quote_subst): Ditto.
(double_quote_subst): New variable, copied from
m4/libtool.m4. Much the same as sed_quote_subst, but variable
references are not quoted.
(func_quote_for_eval): Given any $foo; $bar and
$foo must be identical after the following commands:
func_quote_for_eval "$foo"
eval "bar=$func_quote_for_eval_result"
(func_quote_for_expand): In a similar vein to to func_quote_for_eval,
except that variable expansions are not protected when quoting the
command for subsequent display.
* config/ltmain.m4sh: Factor away use of $sed_quote_subst now that
it has been subsumed into func_quote_for_eval.
(func_mode_link): Instead of `2004-10-14 Peter O'Gorman' below,
use func_quote_for_expand so that ${wl} is expanded properly in
the $show expression.
and thus prevented it from finding itself:
* config/general.m4sh (progname): Don't actually change the name
of the script if it begins with a `-', just prepend `./'.
(progpath): Add a new clause that first searches the execution
PATH, and then finally assumes this script is in the current
working directory if $progname has no directory separators (e.g
when invoked as `$SHELL progname').
ltmain.in.
(ECHO): Audit for (and correct!) uses of $ECHO with more than one
argument, which breaks when ECHO='printf %sn', and with possible
`-' as first character of the argument, which breaks `print -r'
and some implementations of `echo'.
* config/ltmain.in, tests/defs.in, libtoolize.in (ECHO): Ditto.
Reported by Albert Chin-A-Young <china@thewrittenword.com>
* config/general.m4sh, config/getopt.m4sh: New files with factored
out functionality from...
* config/ltmain.in, libtoolize.in: ...here. m4_include the shared
code, and call AS_SHELL_SANITIZE. Also quote all `[' and `]' to
survive m4 run.
(func_serial): No need to double up m4sh quotes after a `#'.
(func_check_macros): Escape `dnl' to stop m4sh interpreting it as
a macro.
* tests/defs.in: New file expanded into tests/defs by autom4te.
* m4/libtool.m4 (_LT_DECL_EGREP): Also require fgrep for the tests
that use it.
* Makefile.am ($(top_srcdir)/config/ltmain.sh): Now built with
M4SH.
(libtoolize): Ditto.
* bootstrap: Set M4SH for call to make.
* HACKING: No need to sync to AS_SHELL_SANITIZE by hand any more.
