diff options
Diffstat (limited to 'm4/sys_times_h.m4')
| -rw-r--r-- | m4/sys_times_h.m4 | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/m4/sys_times_h.m4 b/m4/sys_times_h.m4 index b9daaa7ca..577ead66f 100644 --- a/m4/sys_times_h.m4 +++ b/m4/sys_times_h.m4 @@ -1,5 +1,5 @@ # Configure a replacement for <sys/times.h>. -# serial 8 +# serial 11 # Copyright (C) 2008-2021 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -8,7 +8,7 @@ # Written by Simon Josefsson. -AC_DEFUN([gl_SYS_TIMES_H], +AC_DEFUN_ONCE([gl_SYS_TIMES_H], [ AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS]) @@ -36,16 +36,31 @@ AC_DEFUN([gl_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 Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS]) + 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], [ - GNULIB_TIMES=0; AC_SUBST([GNULIB_TIMES]) HAVE_STRUCT_TMS=1; AC_SUBST([HAVE_STRUCT_TMS]) HAVE_TIMES=1; AC_SUBST([HAVE_TIMES]) ]) |