X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=m4%2Ftime_h.m4;h=754b469a0d9c2b7cc20e7f19cc330491720d8dbb;hb=d30babc23b4f25be970ada2e63a50220a3672281;hp=d42a635ece4cdb36055b474f60c77eb8f5d9ae4d;hpb=138fc7e67e3d9845cd7d81aad0e9c7724784f9b9;p=debian%2Ftar diff --git a/m4/time_h.m4 b/m4/time_h.m4 index d42a635e..754b469a 100644 --- a/m4/time_h.m4 +++ b/m4/time_h.m4 @@ -1,7 +1,8 @@ # Configure a more-standard replacement for . -# Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2007 Free Software -# Foundation, Inc. +# Copyright (C) 2000-2001, 2003-2007, 2009-2015 Free Software Foundation, Inc. + +# serial 9 # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -20,23 +21,12 @@ AC_DEFUN([gl_HEADER_TIME_H_BODY], [ AC_REQUIRE([AC_C_RESTRICT]) AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) - gl_CHECK_NEXT_HEADERS([time.h]) + gl_NEXT_HEADERS([time.h]) AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) ]) -AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS], -[ - dnl If another module says to replace or to not replace, do that. - dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK; - dnl this lets maintainers check for portability. - REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R]) - REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP]) - REPLACE_STRPTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_STRPTIME]) - REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM]) -]) - -dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared -dnl in time.h or sys/time.h. +dnl Check whether 'struct timespec' is declared +dnl in time.h, sys/time.h, pthread.h, or unistd.h. AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], [ @@ -45,30 +35,100 @@ AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], [gl_cv_sys_struct_timespec_in_time_h], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( - [[#include - ]], - [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [[#include + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], [gl_cv_sys_struct_timespec_in_time_h=yes], [gl_cv_sys_struct_timespec_in_time_h=no])]) TIME_H_DEFINES_STRUCT_TIMESPEC=0 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0 + PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0 + UNISTD_H_DEFINES_STRUCT_TIMESPEC=0 if test $gl_cv_sys_struct_timespec_in_time_h = yes; then TIME_H_DEFINES_STRUCT_TIMESPEC=1 else AC_CACHE_CHECK([for struct timespec in ], [gl_cv_sys_struct_timespec_in_sys_time_h], [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include - ]], - [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], - [gl_cv_sys_struct_timespec_in_sys_time_h=yes], - [gl_cv_sys_struct_timespec_in_sys_time_h=no])]) + [AC_LANG_PROGRAM( + [[#include + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_sys_time_h=yes], + [gl_cv_sys_struct_timespec_in_sys_time_h=no])]) if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1 + else + AC_CACHE_CHECK([for struct timespec in ], + [gl_cv_sys_struct_timespec_in_pthread_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_pthread_h=yes], + [gl_cv_sys_struct_timespec_in_pthread_h=no])]) + if test $gl_cv_sys_struct_timespec_in_pthread_h = yes; then + PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1 + else + AC_CACHE_CHECK([for struct timespec in ], + [gl_cv_sys_struct_timespec_in_unistd_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_unistd_h=yes], + [gl_cv_sys_struct_timespec_in_unistd_h=no])]) + if test $gl_cv_sys_struct_timespec_in_unistd_h = yes; then + UNISTD_H_DEFINES_STRUCT_TIMESPEC=1 + fi + fi fi fi AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC]) AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC]) + AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC]) + AC_SUBST([UNISTD_H_DEFINES_STRUCT_TIMESPEC]) +]) + +AC_DEFUN([gl_TIME_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_HEADER_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_TIME_H_DEFAULTS], +[ + GNULIB_MKTIME=0; AC_SUBST([GNULIB_MKTIME]) + GNULIB_NANOSLEEP=0; AC_SUBST([GNULIB_NANOSLEEP]) + GNULIB_STRPTIME=0; AC_SUBST([GNULIB_STRPTIME]) + GNULIB_TIMEGM=0; AC_SUBST([GNULIB_TIMEGM]) + GNULIB_TIME_R=0; AC_SUBST([GNULIB_TIME_R]) + GNULIB_TIME_RZ=0; AC_SUBST([GNULIB_TIME_RZ]) + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_DECL_LOCALTIME_R=1; AC_SUBST([HAVE_DECL_LOCALTIME_R]) + HAVE_NANOSLEEP=1; AC_SUBST([HAVE_NANOSLEEP]) + HAVE_STRPTIME=1; AC_SUBST([HAVE_STRPTIME]) + HAVE_TIMEGM=1; AC_SUBST([HAVE_TIMEGM]) + dnl If another module says to replace or to not replace, do that. + dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK; + dnl this lets maintainers check for portability. + REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R]) + REPLACE_MKTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_MKTIME]) + REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP]) + REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM]) + + dnl Hack so that the time module doesn't depend on the sys_time module. + dnl First, default GNULIB_GETTIMEOFDAY to 0 if sys_time is absent. + : ${GNULIB_GETTIMEOFDAY=0}; AC_SUBST([GNULIB_GETTIMEOFDAY]) + dnl Second, it's OK to not use GNULIB_PORTCHECK for REPLACE_GMTIME + dnl and REPLACE_LOCALTIME, as portability to Solaris 2.6 and earlier + dnl is no longer a big deal. + REPLACE_GMTIME=0; AC_SUBST([REPLACE_GMTIME]) + REPLACE_LOCALTIME=0; AC_SUBST([REPLACE_LOCALTIME]) ])