X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=m4%2Fgetdate.m4;fp=m4%2Fgetdate.m4;h=0000000000000000000000000000000000000000;hp=5f98229f6a9306134f3fe197716f21c1d46c3c77;hb=ee168310ec4227174ace489bf5f81f8c2f91cde0;hpb=22f1eb8bc17e5be72dd23d42d6aaa60196ac22e6 diff --git a/m4/getdate.m4 b/m4/getdate.m4 deleted file mode 100644 index 5f98229..0000000 --- a/m4/getdate.m4 +++ /dev/null @@ -1,53 +0,0 @@ -# getdate.m4 serial 16 -dnl Copyright (C) 2002-2006, 2008-2010 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. - -dnl Define HAVE_COMPOUND_LITERALS if the C compiler supports compound literals -dnl as in ISO C99. -dnl Note that compound literals such as (struct s) { 3, 4 } can be used for -dnl initialization of stack-allocated variables, but are not constant -dnl expressions and therefore cannot be used as initializer for global or -dnl static variables (even though gcc supports this in pre-C99 mode). -AC_DEFUN([gl_C_COMPOUND_LITERALS], -[ - AC_CACHE_CHECK([for compound literals], [gl_cv_compound_literals], - [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[struct s { int i, j; };]], - [[struct s t = (struct s) { 3, 4 }; - if (t.i != 0) return 0;]])], - 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], -[ - dnl Prerequisites of lib/getdate.h. - AC_REQUIRE([AM_STDBOOL_H]) - AC_REQUIRE([gl_TIMESPEC]) - - dnl Prerequisites of lib/getdate.y. - AC_REQUIRE([gl_BISON]) - AC_REQUIRE([gl_C_COMPOUND_LITERALS]) - AC_STRUCT_TIMEZONE - AC_REQUIRE([gl_CLOCK_TIME]) - AC_REQUIRE([gl_TM_GMTOFF]) - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE([[ -#include /* for time_t */ -#include /* for CHAR_BIT, LONG_MIN, LONG_MAX */ -#define TYPE_MINIMUM(t) \ - ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))) -#define TYPE_MAXIMUM(t) \ - ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))) -typedef int verify_min[2 * (LONG_MIN <= TYPE_MINIMUM (time_t)) - 1]; -typedef int verify_max[2 * (TYPE_MAXIMUM (time_t) <= LONG_MAX) - 1]; - ]])], - [AC_DEFINE([TIME_T_FITS_IN_LONG_INT], [1], - [Define to 1 if all 'time_t' values fit in a 'long int'.]) - ]) -])