| # Configure a replacement for <sys/times.h>. |
| # serial 11 |
| |
| # Copyright (C) 2008-2021 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 Simon Josefsson. |
| |
| AC_DEFUN_ONCE([gl_SYS_TIMES_H], |
| [ |
| AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS]) |
| |
| dnl <sys/times.h> is always overridden, because of GNULIB_POSIXCHECK. |
| gl_CHECK_NEXT_HEADERS([sys/times.h]) |
| if test $ac_cv_header_sys_times_h = yes; then |
| HAVE_SYS_TIMES_H=1 |
| AC_CHECK_TYPES([struct tms], [], [HAVE_STRUCT_TMS=0], [[ |
| #include <sys/times.h> |
| ]]) |
| else |
| HAVE_SYS_TIMES_H=0 |
| HAVE_STRUCT_TMS=0 |
| fi |
| AC_SUBST([HAVE_SYS_TIMES_H]) |
| |
| 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([[ |
| /* Some systems have incomplete headers. */ |
| #if !(defined __GLIBC__ && !defined __UCLIBC__) |
| # include <time.h> |
| #endif |
| #include <sys/times.h> |
| ]], [times]) |
| ]) |
| |
| # gl_SYS_TIMES_MODULE_INDICATOR([modulename]) |
| # sets the shell variable that indicates the presence of the given module |
| # to a C preprocessor expression that will evaluate to 1. |
| # This macro invocation must not occur in macros that are AC_REQUIREd. |
| AC_DEFUN([gl_SYS_TIMES_MODULE_INDICATOR], |
| [ |
| dnl Ensure to expand the default settings once only. |
| gl_SYS_TIMES_H_REQUIRE_DEFAULTS |
| gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
| ]) |
| |
| # Initializes the default values for AC_SUBSTed shell variables. |
| # This macro must not be AC_REQUIREd. It must only be invoked, and only |
| # outside of macros or in macros that are not AC_REQUIREd. |
| AC_DEFUN([gl_SYS_TIMES_H_REQUIRE_DEFAULTS], |
| [ |
| m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_TIMES_H_MODULE_INDICATOR_DEFAULTS], [ |
| gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIMES]) |
| ]) |
| m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_TIMES_H_MODULE_INDICATOR_DEFAULTS]) |
| AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS]) |
| ]) |
| |
| AC_DEFUN([gl_SYS_TIMES_H_DEFAULTS], |
| [ |
| HAVE_STRUCT_TMS=1; AC_SUBST([HAVE_STRUCT_TMS]) |
| HAVE_TIMES=1; AC_SUBST([HAVE_TIMES]) |
| ]) |