diff options
| author | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-04-02 22:04:24 +0200 |
|---|---|---|
| committer | Diego 'Flameeyes' Pettenò <flameeyes@gmail.com> | 2007-04-02 22:04:24 +0200 |
| commit | 54f1e6e827ea33d9605d0ad0c403da2c841e05bc (patch) | |
| tree | 72e8d7fdb93f2cd1c0f46e4fa15c81bac6986790 /m4 | |
| parent | e8ed1017f752aa3bd58673f32a05622b7c852914 (diff) | |
| download | xine-lib-54f1e6e827ea33d9605d0ad0c403da2c841e05bc.tar.gz xine-lib-54f1e6e827ea33d9605d0ad0c403da2c841e05bc.tar.bz2 | |
Add a m4_foreach_w macro when autoconf does not provide it.
This allows to get AC_CHECK_SYMBOLS macro working on autoconf 2.59.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/symbol.m4 | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/m4/symbol.m4 b/m4/symbol.m4 index fc8c8eede..1ff98e906 100644 --- a/m4/symbol.m4 +++ b/m4/symbol.m4 @@ -62,8 +62,27 @@ AC_DEFUN([AC_CHECK_SYMBOLS], [ done ]) +m4_ifdef([m4_foreach_w], [], [ + # m4_foreach_w(VARIABLE, LIST, EXPRESSION) + # ---------------------------------------- + # + # Like m4_foreach, but the list is whitespace separated. + # + # This macro is robust to active symbols: + # m4_foreach_w([Var], [ active + # b act\ + # ive ], [-Var-])end + # => -active--b--active-end + # + m4_define([m4_foreach_w], + [m4_foreach([$1], m4_split(m4_normalize([$2])), [$3])]) + m4_define([m4_foreach_w_is_compatibility]) +]) + m4_define([AH_CHECK_SYMBOLS], [ m4_foreach_w([AC_Symbol], [$1], [AH_TEMPLATE(AS_TR_CPP([HAVE_]m4_defn([AC_Symbol])), [Define to 1 if you have the ]m4_defn([AC_Symbol])[ symbol.])]) -])
\ No newline at end of file +]) + +m4_ifdef([m4_foreach_w_is_compatibility], [m4_undefine([m4_foreach_w])]) |