2023-01-01 10:31:12 +00:00
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dnl Copyright 2017-2023 Free Software Foundation, Inc.
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2017-07-16 23:22:33 +00:00
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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_FUNC_EXPLICIT_BZERO],
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[
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Update from Gnulib
Make the following changes by hand, and run 'admin/merge-gnulib'.
* .gitignore: Add lib/malloc/*.gl.h.
* admin/merge-gnulib: Copy lib/af_alg.h and lib/save-cwd.h
directly from Gnulib, without worrying about Gnulib modules,
as these files are special cases.
(AVOIDED_MODULES): Remove malloc-posix.
* lib/malloc.c, lib/realloc.c, m4/malloc.m4, m4/realloc.m4:
* m4/year2038.m4: New files, copied from Gnulib.
* lib/malloca.c, lib/malloca.h:
* m4/close-stream.m4, m4/glibc21.m4, m4/malloca.m4:
Remove. These are either no longer present in Gnulib, or are no
longer needed by modules that Emacs uses.
* oldXMenu/AddPane.c, oldXmenu/Addsel.c: Include XmenuInt.h first;
needed for new Gnulib.
* src/xmenu.c: Call emacs_abort, not abort.
2021-10-04 19:11:39 +00:00
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AC_REQUIRE([gl_STRING_H_DEFAULTS])
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2017-07-16 23:22:33 +00:00
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dnl Persuade glibc <string.h> to declare explicit_bzero.
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_CHECK_FUNCS_ONCE([explicit_bzero])
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if test $ac_cv_func_explicit_bzero = no; then
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HAVE_EXPLICIT_BZERO=0
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fi
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])
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AC_DEFUN([gl_PREREQ_EXPLICIT_BZERO],
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[
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AC_CHECK_FUNCS([explicit_memset])
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2020-05-03 21:57:10 +00:00
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AC_CHECK_FUNCS_ONCE([memset_s])
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2017-07-16 23:22:33 +00:00
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])
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