diff options
| -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 |