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authorDaniel Llorens <lloda@sarc.name>2021-08-16 13:23:27 +0200
committerDaniel Llorens <lloda@sarc.name>2021-08-16 13:23:27 +0200
commitb4a80f4239b19fea4d2cc3e9d197f24b809f0624 (patch)
treeb4dc728ec96391e302df4f7c733bf592a3976ff2 /m4/sys_random_h.m4
parent5df5555d12f1408a66a5368a918abb981edf5445 (diff)
downloadguile-b4a80f4239b19fea4d2cc3e9d197f24b809f0624.tar.gz
Update gnulib to 8f4538a53d64054ae2fc8b86c0f87c418c6176e6
Includes gnulib:0c907f7da13232908f05c415b8cec56024071906 to fix #49930 https://lists.gnu.org/archive/html/bug-guile/2021-08/msg00003.html.
Diffstat (limited to 'm4/sys_random_h.m4')
-rw-r--r--m4/sys_random_h.m425
1 files changed, 20 insertions, 5 deletions
diff --git a/m4/sys_random_h.m4 b/m4/sys_random_h.m4
index 45e0469ba..37bc31606 100644
--- a/m4/sys_random_h.m4
+++ b/m4/sys_random_h.m4
@@ -1,10 +1,10 @@
-# sys_random_h.m4 serial 5
+# sys_random_h.m4 serial 8
dnl Copyright (C) 2020-2021 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([gl_HEADER_SYS_RANDOM],
+AC_DEFUN_ONCE([gl_SYS_RANDOM_H],
[
AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
dnl <sys/random.h> is always overridden, because of GNULIB_POSIXCHECK.
@@ -35,18 +35,33 @@ AC_DEFUN([gl_HEADER_SYS_RANDOM],
[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 Use AC_REQUIRE here, so that the default settings are expanded once only.
- AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
+ 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],
[
- GNULIB_GETRANDOM=0; AC_SUBST([GNULIB_GETRANDOM])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_GETRANDOM=1; AC_SUBST([HAVE_GETRANDOM])
REPLACE_GETRANDOM=0; AC_SUBST([REPLACE_GETRANDOM])