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c593e834e1
This splits off support for the C23 keywords alignas and alignof, from the now-deprecated stdalign module. The latter now merely provides C11 support. * MODULES.html.sh, NEWS, doc/gnulib.texi: * doc/posix-headers/stdalign.texi: Document the change. * lib/stdalign.in.h: Remove most of the definitions (which are now supplied by the alignasof module), leaving only __alignas_is_defined and __alignof_is_defined. * modules/alignasof, modules/alignasof-tests: New files. * m4/stdalign.m4 (gl_ALIGNASOF): New macro, with most of the contents of the old gl_STDALIGN_H. Do not define __alignas_is_defined or __alignof_is_defined. (gl_STDALIGN_H): Rely on gl_ALIGNASOF for most of the work. * modules/alignalloc, modules/alignof, modules/argp: * modules/crypto/md4-buffer, modules/crypto/md5-buffer: * modules/crypto/sha1-buffer, modules/crypto/sha256-buffer: * modules/crypto/sha512-buffer, modules/crypto/sm3-buffer: * modules/fts, modules/rawmemchr, modules/relocatable-prog-wrapper: * modules/stddef-tests, modules/sys_socket: Depend on alignasof, not stdalign. * modules/stdalign: Deprecate. Depend on alignasof. * modules/stdalign-tests: Move most contents to the new module alignasof-tests, and depend on that.
44 lines
835 B
Plaintext
44 lines
835 B
Plaintext
Description:
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alignas and alignof that are like C23 and C++11.
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Notice:
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The stdalign module is deprecated.
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New code should use the alignasof module, and not include <stdalign.h>.
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Files:
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lib/stdalign.in.h
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m4/stdalign.m4
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Depends-on:
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alignasof
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gen-header
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configure.ac:
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gl_STDALIGN_H
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gl_CONDITIONAL_HEADER([stdalign.h])
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AC_PROG_MKDIR_P
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Makefile.am:
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BUILT_SOURCES += $(STDALIGN_H)
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# We need the following in order to create <stdalign.h> when the system
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# doesn't have one that works.
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if GL_GENERATE_STDALIGN_H
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stdalign.h: stdalign.in.h $(top_builddir)/config.status
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@NMD@ $(AM_V_GEN)$(MKDIR_P) '%reldir%'
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$(gl_V_at)$(SED_HEADER_TO_AT_t) $(srcdir)/stdalign.in.h
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$(AM_V_at)mv $@-t $@
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else
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stdalign.h: $(top_builddir)/config.status
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rm -f $@
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endif
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MOSTLYCLEANFILES += stdalign.h stdalign.h-t
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Include:
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License:
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LGPLv2+
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Maintainer:
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all
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