diff options
Diffstat (limited to 'm4/sys_times_h.m4')
-rw-r--r-- | m4/sys_times_h.m4 | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/m4/sys_times_h.m4 b/m4/sys_times_h.m4 new file mode 100644 index 000000000..60069850d --- /dev/null +++ b/m4/sys_times_h.m4 @@ -0,0 +1,51 @@ +# Configure a replacement for <sys/times.h>. +# serial 8 + +# Copyright (C) 2008-2013 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([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]) +]) + +AC_DEFUN([gl_SYS_TIMES_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS]) + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) +]) + +AC_DEFUN([gl_SYS_TIMES_H_DEFAULTS], +[ + GNULIB_TIMES=0; AC_SUBST([GNULIB_TIMES]) + HAVE_STRUCT_TMS=1; AC_SUBST([HAVE_STRUCT_TMS]) + HAVE_TIMES=1; AC_SUBST([HAVE_TIMES]) +]) |