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118c07e02e
This incorporates: 2020-06-27 getloadavg: don’t depend on fopen-gnu 2020-06-25 c-dtoastr, c-ldtoastr: new modules 2020-06-01 getloadavg: fix double-increment bug 2020-06-01 tempname: use getrandom, not getentropy 2020-05-31 tempname: merge from glibc and coreutils 2020-05-31 getentropy: work around a macOS and Solaris problem 2020-05-31 fnmatch: merge from glibc 2020-05-30 unistd: remove conflicting declaration of getrandom 2020-05-30 don't assume that UNICODE is not defined 2020-05-29 fix compilation error on native Windows 2020-05-28 avoid dynamic loading of Windows API functions when possible 2020-05-28 at-internal: make more robust in multithreaded applications 2020-05-28 getloadavg: make more robust in multithreaded applications 2020-05-27 getloadavg: make more robust in multithreaded applications 2020-05-26 count-one-bits: fix MSVC specific code 2020-05-25 getentropy, getrandom: new modules 2020-05-24 open, openat: really support O_CLOEXEC 2020-05-23 verify: document ‘assume’ better 2020-05-21 regex: configure better with "clang -fsanitize=leak" 2020-05-21 memmem: configure better with "clang -fsanitize=undefined" 2020-05-19 ftoastr: fix ifndef typo * build-aux/config.guess, build-aux/config.sub, doc/misc/texinfo.tex: * lib/count-one-bits.h, lib/ftoastr.c, lib/ftoastr.h: * lib/getloadavg.c, lib/gettimeofday.c, lib/libc-config.h: * lib/open.c, lib/openat-proc.c, lib/tempname.c, lib/tempname.h: * lib/unistd.in.h, lib/verify.h, m4/memmem.m4, m4/regex.m4: * m4/unistd_h.m4: Update from Gnulib. * lib/getrandom.c, lib/sys_random.in.h: * m4/getrandom.m4, m4/sys_random_h.m4: New files, copied from Gnulib. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
52 lines
1.7 KiB
Text
52 lines
1.7 KiB
Text
# sys_random_h.m4 serial 4
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dnl Copyright (C) 2020 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_HEADER_SYS_RANDOM],
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[
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AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
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dnl <sys/random.h> is always overridden, because of GNULIB_POSIXCHECK.
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gl_CHECK_NEXT_HEADERS([sys/random.h])
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if test $ac_cv_header_sys_random_h = yes; then
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HAVE_SYS_RANDOM_H=1
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else
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HAVE_SYS_RANDOM_H=0
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fi
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AC_SUBST([HAVE_SYS_RANDOM_H])
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m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
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if test $ac_cv_header_sys_random_h = yes; then
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UNISTD_H_HAVE_SYS_RANDOM_H=1
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fi
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[
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#if HAVE_SYS_RANDOM_H
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/* Additional includes are needed before <sys/random.h> on Mac OS X. */
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# include <sys/types.h>
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# include <stdlib.h>
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# include <sys/random.h>
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#endif
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]],
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[getrandom])
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])
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AC_DEFUN([gl_SYS_RANDOM_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_SYS_RANDOM_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_SYS_RANDOM_H_DEFAULTS],
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[
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GNULIB_GETRANDOM=0; AC_SUBST([GNULIB_GETRANDOM])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_GETRANDOM=1; AC_SUBST([HAVE_GETRANDOM])
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REPLACE_GETRANDOM=0; AC_SUBST([REPLACE_GETRANDOM])
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])
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