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* lib/autoconf/general.m4 (AC_ARG_ENABLE): Print help about

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--disable-option-checking to --help output even when
AC_PRESERVE_HELP_ORDER is not used.
(_AC_INIT_PARSE_ENABLE2): Print warnings using actual --enable or
--with argument, rather than argument with [-.] replaced by
underscores.
* NEWS: Fix typo in previous change; the news was in the
wrong section.
This commit is contained in:
Paul Eggert 2006-12-19 05:41:18 +00:00
parent 30e83f87f8
commit 4a51103c6c
3 changed files with 18 additions and 7 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2006-12-18 Steven G. Johnson <stevenj@alum.mit.edu>
* lib/autoconf/general.m4 (AC_ARG_ENABLE): Print help about
--disable-option-checking to --help output even when
AC_PRESERVE_HELP_ORDER is not used.
(_AC_INIT_PARSE_ENABLE2): Print warnings using actual --enable or
--with argument, rather than argument with [-.] replaced by
underscores.
* NEWS: Fix typo in previous change; the news was in the
wrong section.
2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
* NEWS: Warnings are now generated by default for unknown

10
NEWS
View File

@ -1,6 +1,9 @@
* Major changes in Autoconf 2.61b (????-??-??)
** None yet...
** Warnings are now generated by default when an installer invokes
'configure' with an unknown --enable-* or --with-* option.
These warnings can be disabled with the new AC_DISABLE_OPTION_CHECKING
macro, or by invoking 'configure' with --disable-option-checking.
* Major changes in Autoconf 2.61a (2006-12-11)
@ -14,11 +17,6 @@
on some modern systems and could no longer be maintained reliably
due to lack of ancient systems to test it on.
** Warnings are now generated by default when an installer invokes
'configure' with an unknown --enable-* or --with-* option.
These warnings can be disabled with the new AC_DISABLE_OPTION_CHECKING
macro, or by invoking 'configure' with --disable-option-checking.
** config.status now uses awk instead of sed for most substitutions, for speed.
- As a side effect multi-line values of substituted variables no

4
lib/autoconf/general.m4
View File

@ -957,10 +957,11 @@ m4_define([_AC_INIT_PARSE_ENABLE2],
expr "x$ac_useropt" : "[.*[^-._$as_cr_alnum]]" >/dev/null &&
AC_MSG_ERROR(
[invalid ]m4_if([$2], [with], [package], [feature])[ name: $ac_useropt])
ac_useropt_orig=$ac_useropt
ac_useropt=`AS_ECHO(["$ac_useropt"]) | sed 's/[[-.]]/_/g'`
case $ac_user_opts in
*:$2_$ac_useropt:*) ;;
*) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--$1-$ac_useropt"
*) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--$1-$ac_useropt_orig"
ac_unrecognized_sep=', ';;
esac
eval $2_$ac_useropt=m4_if([$1], [$2], [\$ac_optarg], [no]) ;;dnl
@ -1401,6 +1402,7 @@ AC_DEFUN([AC_ARG_ENABLE],
[],
[m4_divert_once([HELP_ENABLE], [[
Optional Features:
--disable-option-checking ignore unrecognized --enable/--with options
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]]])])dnl
m4_divert_once([HELP_ENABLE], [$2])dnl