* lib/autoconf/general.m4 (_AC_DEFINE_Q): Avoid overhead of AS_LITERAL_IF. Signed-off-by: Eric Blake <[email protected]> --- ChangeLog | 6 ++++++ lib/autoconf/general.m4 | 4 ++-- 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog index 9f5c879..601b169 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2010-07-02 Eric Blake <[email protected]> + + Optimize AC_DEFINE. + * lib/autoconf/general.m4 (_AC_DEFINE_Q): Avoid overhead of + AS_LITERAL_IF. + 2010-07-02 Stefano Lattarini <[email protected]> and Eric Blake <[email protected]> diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4 index cadec67..666ba56 100644 --- a/lib/autoconf/general.m4 +++ b/lib/autoconf/general.m4 @@ -2123,8 +2123,8 @@ m4_define([_AC_DEFINE_Q], [AC_DEFINE_TRACE(AC_name)]dnl [m4_cond([m4_index([$3], [ ])], [-1], [], - [AS_LITERAL_IF([$3], [m4_bregexp([[$3]], [[^\\] -], [-])])], [], [], + [m4_bregexp([[$3]], [[^\\] +], [-])], [], [], [m4_warn([syntax], [AC_DEFINE]m4_if([$1], [_AC_DEFINE], [], [[_UNQUOTED]])[: `$3' is not a valid preprocessor define value])])]dnl [m4_ifval([$4], [AH_TEMPLATE(AC_name, [$4]) -- 1.7.1
