diff options
Diffstat (limited to 'gl/m4/sys_time_h.m4')
| -rw-r--r-- | gl/m4/sys_time_h.m4 | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/gl/m4/sys_time_h.m4 b/gl/m4/sys_time_h.m4 deleted file mode 100644 index e622dbe..0000000 --- a/gl/m4/sys_time_h.m4 +++ /dev/null @@ -1,111 +0,0 @@ -# Configure a replacement for <sys/time.h>. -# serial 8 - -# Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# Written by Paul Eggert and Martin Lambers. - -AC_DEFUN([gl_HEADER_SYS_TIME_H], -[ - dnl Use AC_REQUIRE here, so that the REPLACE_GETTIMEOFDAY=0 statement - dnl below is expanded once only, before all REPLACE_GETTIMEOFDAY=1 - dnl statements that occur in other macros. - AC_REQUIRE([gl_HEADER_SYS_TIME_H_BODY]) -]) - -AC_DEFUN([gl_HEADER_SYS_TIME_H_BODY], -[ - AC_REQUIRE([AC_C_RESTRICT]) - AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) - AC_CHECK_HEADERS_ONCE([sys/time.h]) - gl_CHECK_NEXT_HEADERS([sys/time.h]) - - if test $ac_cv_header_sys_time_h != yes; then - HAVE_SYS_TIME_H=0 - fi - - dnl On native Windows with MSVC, 'struct timeval' is defined in <winsock2.h> - dnl only. So include that header in the list. - gl_PREREQ_SYS_H_WINSOCK2 - AC_CACHE_CHECK([for struct timeval], [gl_cv_sys_struct_timeval], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#if HAVE_SYS_TIME_H - #include <sys/time.h> - #endif - #include <time.h> - #if HAVE_WINSOCK2_H - # include <winsock2.h> - #endif - ]], - [[static struct timeval x; x.tv_sec = x.tv_usec;]])], - [gl_cv_sys_struct_timeval=yes], - [gl_cv_sys_struct_timeval=no]) - ]) - if test $gl_cv_sys_struct_timeval != yes; then - HAVE_STRUCT_TIMEVAL=0 - else - dnl On native Windows with a 64-bit 'time_t', 'struct timeval' is defined - dnl (in <sys/time.h> and <winsock2.h> for mingw64, in <winsock2.h> only - dnl for MSVC) with a tv_sec field of type 'long' (32-bit!), which is - dnl smaller than the 'time_t' type mandated by POSIX. - dnl On OpenBSD 5.1 amd64, tv_sec is 64 bits and time_t 32 bits, but - dnl that is good enough. - AC_CACHE_CHECK([for wide-enough struct timeval.tv_sec member], - [gl_cv_sys_struct_timeval_tv_sec], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#if HAVE_SYS_TIME_H - #include <sys/time.h> - #endif - #include <time.h> - #if HAVE_WINSOCK2_H - # include <winsock2.h> - #endif - ]], - [[static struct timeval x; - typedef int verify_tv_sec_type[ - sizeof (time_t) <= sizeof x.tv_sec ? 1 : -1 - ]; - ]])], - [gl_cv_sys_struct_timeval_tv_sec=yes], - [gl_cv_sys_struct_timeval_tv_sec=no]) - ]) - if test $gl_cv_sys_struct_timeval_tv_sec != yes; then - REPLACE_STRUCT_TIMEVAL=1 - fi - fi - - dnl Check for declarations of anything we want to poison if the - dnl corresponding gnulib module is not in use. - gl_WARN_ON_USE_PREPARE([[ -#if HAVE_SYS_TIME_H -# include <sys/time.h> -#endif -#include <time.h> - ]], [gettimeofday]) -]) - -AC_DEFUN([gl_SYS_TIME_MODULE_INDICATOR], -[ - dnl Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS]) - gl_MODULE_INDICATOR_SET_VARIABLE([$1]) - dnl Define it also as a C macro, for the benefit of the unit tests. - gl_MODULE_INDICATOR_FOR_TESTS([$1]) -]) - -AC_DEFUN([gl_HEADER_SYS_TIME_H_DEFAULTS], -[ - GNULIB_GETTIMEOFDAY=0; AC_SUBST([GNULIB_GETTIMEOFDAY]) - dnl Assume POSIX behavior unless another module says otherwise. - HAVE_GETTIMEOFDAY=1; AC_SUBST([HAVE_GETTIMEOFDAY]) - HAVE_STRUCT_TIMEVAL=1; AC_SUBST([HAVE_STRUCT_TIMEVAL]) - HAVE_SYS_TIME_H=1; AC_SUBST([HAVE_SYS_TIME_H]) - HAVE_TIMEZONE_T=0; AC_SUBST([HAVE_TIMEZONE_T]) - REPLACE_GETTIMEOFDAY=0; AC_SUBST([REPLACE_GETTIMEOFDAY]) - REPLACE_STRUCT_TIMEVAL=0; AC_SUBST([REPLACE_STRUCT_TIMEVAL]) -]) |