From 252601302d45036817546c533743e5918b6b86e8 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 5 May 2024 19:38:31 +0200 Subject: Adding upstream version 1.21.3. Signed-off-by: Daniel Baumann --- m4/fcntl_h.m4 | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 m4/fcntl_h.m4 (limited to 'm4/fcntl_h.m4') diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4 new file mode 100644 index 0000000..267f98b --- /dev/null +++ b/m4/fcntl_h.m4 @@ -0,0 +1,70 @@ +# serial 20 +# Configure fcntl.h. +dnl Copyright (C) 2006-2007, 2009-2022 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Paul Eggert. + +AC_DEFUN_ONCE([gl_FCNTL_H], +[ + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) + AC_REQUIRE([gl_FCNTL_O_FLAGS]) + gl_NEXT_HEADERS([fcntl.h]) + + dnl Ensure the type pid_t gets defined. + AC_REQUIRE([AC_TYPE_PID_T]) + + dnl Ensure the type mode_t gets defined. + AC_REQUIRE([AC_TYPE_MODE_T]) + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, if it is not common + dnl enough to be declared everywhere. + gl_WARN_ON_USE_PREPARE([[#include + ]], [fcntl openat]) +]) + +# gl_FCNTL_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_FCNTL_MODULE_INDICATOR], +[ + dnl Ensure to expand the default settings once only. + gl_FCNTL_H_REQUIRE_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]) +]) + +# 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_FCNTL_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_FCNTL_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CREAT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FCNTL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_NONBLOCKING]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OPEN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OPENAT]) + dnl Support Microsoft deprecated alias function names by default. + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_CREAT], [1]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_OPEN], [1]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_FCNTL_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) +]) + +AC_DEFUN([gl_FCNTL_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) + HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) + REPLACE_CREAT=0; AC_SUBST([REPLACE_CREAT]) + REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) + REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) + REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) +]) -- cgit v1.2.3