From c9addba5cc770d2d231b34f6739f32c6be8690f1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:37:10 +0200 Subject: Adding upstream version 2.12.0. Signed-off-by: Daniel Baumann --- gl/m4/sys_random_h.m4 | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 gl/m4/sys_random_h.m4 (limited to 'gl/m4/sys_random_h.m4') diff --git a/gl/m4/sys_random_h.m4 b/gl/m4/sys_random_h.m4 new file mode 100644 index 0000000..01d5fee --- /dev/null +++ b/gl/m4/sys_random_h.m4 @@ -0,0 +1,68 @@ +# sys_random_h.m4 serial 8 +dnl Copyright (C) 2020-2023 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. + +AC_DEFUN_ONCE([gl_SYS_RANDOM_H], +[ + AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS]) + dnl is always overridden, because of GNULIB_POSIXCHECK. + gl_CHECK_NEXT_HEADERS([sys/random.h]) + if test $ac_cv_header_sys_random_h = yes; then + HAVE_SYS_RANDOM_H=1 + else + HAVE_SYS_RANDOM_H=0 + fi + AC_SUBST([HAVE_SYS_RANDOM_H]) + + m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])]) + if test $ac_cv_header_sys_random_h = yes; then + UNISTD_H_HAVE_SYS_RANDOM_H=1 + fi + + 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([[ +#if HAVE_SYS_RANDOM_H +/* Additional includes are needed before on uClibc + and Mac OS X. */ +# include +# include +# include +#endif + ]], + [getrandom]) +]) + +# gl_SYS_RANDOM_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_RANDOM_MODULE_INDICATOR], +[ + dnl Ensure to expand the default settings once only. + gl_SYS_RANDOM_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_SYS_RANDOM_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_RANDOM_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETRANDOM]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_RANDOM_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS]) +]) + +AC_DEFUN([gl_SYS_RANDOM_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_GETRANDOM=1; AC_SUBST([HAVE_GETRANDOM]) + REPLACE_GETRANDOM=0; AC_SUBST([REPLACE_GETRANDOM]) +]) -- cgit v1.2.3