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| author | Paul Eggert <eggert@cs.ucla.edu> | 2005-07-21 22:00:06 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2005-07-21 22:00:06 +0000 |
| commit | 842bd54edb28d0d420328d64eb9d26c04248aa24 (patch) | |
| tree | 4667ceb8151a70e9019b6dccf9fdc424d6583573 /m4 | |
| parent | f4980f5997f5e61803f1fff2688c28918bdfc665 (diff) | |
| download | coreutils-842bd54edb28d0d420328d64eb9d26c04248aa24.tar.xz | |
(gl_C_COMPOUND_LITERALS): New macro.
(gl_GETDATE): Use it.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/getdate.m4 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/m4/getdate.m4 b/m4/getdate.m4 index 5b2f77f23..2981f139d 100644 --- a/m4/getdate.m4 +++ b/m4/getdate.m4 @@ -1,9 +1,22 @@ -# getdate.m4 serial 7 +# getdate.m4 serial 8 dnl Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. +AC_DEFUN([gl_C_COMPOUND_LITERALS], +[ + AC_CACHE_CHECK([for compound literals], gl_cv_compound_literals, + [AC_TRY_COMPILE([struct s { int i, j; }; struct s s = (struct s) { 1, 2 };], + [struct s t = (struct s) { 3, 4 };], + gl_cv_compound_literals=yes, + gl_cv_compound_literals=no)]) + if test $gl_cv_compound_literals = yes; then + AC_DEFINE(HAVE_COMPOUND_LITERALS, 1, + [Define if you have compound literals.]) + fi +]) + AC_DEFUN([gl_GETDATE], [ AC_LIBSOURCES([getdate.h, getdate.y]) @@ -15,6 +28,7 @@ AC_DEFUN([gl_GETDATE], dnl Prerequisites of lib/getdate.y. AC_REQUIRE([gl_BISON]) + AC_REQUIRE([gl_C_COMPOUND_LITERALS]) AC_REQUIRE([AC_HEADER_STDC]) AC_CHECK_FUNCS_ONCE(isascii) AC_STRUCT_TIMEZONE |