[PATCH v3 2/8] Generate aclocal-m4-deps.mk more deterministically and portably.

Simon Marchi simon.marchi@ericsson.com
Tue Sep 18 20:27:00 GMT 2018


On 2018-09-18 02:54 PM, John Baldwin wrote:
> Sort the list of files generated by find to make the order of the
> entries deterministic.  When sorting, use explicit "C" collation.  Use
> an explicit tab character instead of '\t' as some sed implementations
> treat '\t' as an escaped 't' instead of a tab.
> 
> gdb/ChangeLog:
> 
> 	* gnulib/aclocal-m4-deps.mk: New file.
> 	* gnulib/update-gnulib.sh: Generate "aclocal-m4-deps.mk"
> 	deterministically.
> ---
>  gdb/ChangeLog                 |   6 +
>  gdb/gnulib/aclocal-m4-deps.mk | 224 +++++++++++++++++-----------------
>  gdb/gnulib/update-gnulib.sh   |   3 +-
>  3 files changed, 117 insertions(+), 116 deletions(-)
> 
> diff --git a/gdb/ChangeLog b/gdb/ChangeLog
> index 14ac0dae52..c56e35fb8b 100644
> --- a/gdb/ChangeLog
> +++ b/gdb/ChangeLog
> @@ -1,3 +1,9 @@
> +2018-09-17  John Baldwin  <jhb@FreeBSD.org>
> +
> +	* gnulib/aclocal-m4-deps.mk: New file.
> +	* gnulib/update-gnulib.sh: Generate "aclocal-m4-deps.mk"
> +	deterministically.
> +
>  2018-09-17  John Baldwin  <jhb@FreeBSD.org>
>  
>  	* fbsd-tdep.c (fbsd_core_vnode_path): Use KF_PATH instead of
> diff --git a/gdb/gnulib/aclocal-m4-deps.mk b/gdb/gnulib/aclocal-m4-deps.mk
> index 52d280db30..8b39aef6ad 100644
> --- a/gdb/gnulib/aclocal-m4-deps.mk
> +++ b/gdb/gnulib/aclocal-m4-deps.mk
> @@ -1,136 +1,130 @@
>  # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
>  aclocal_m4_deps = \
> -	import/m4/flexmember.m4 \
> -	import/m4/eealloc.m4 \
> -	import/m4/mkdir.m4 \
> -	import/m4/close.m4 \
> -	import/m4/unistd-safer.m4 \
> -	import/m4/inttypes-pri.m4 \
> +	import/m4/00gnulib.m4 \
> +	import/m4/absolute-header.m4 \
> +	import/m4/alloca.m4 \
> +	import/m4/canonicalize.m4 \
>  	import/m4/chdir-long.m4 \
> -	import/m4/gnulib-common.m4 \
> -	import/m4/readdir.m4 \
> -	import/m4/stdlib_h.m4 \
> -	import/m4/getlogin_r.m4 \
> -	import/m4/warn-on-use.m4 \
> -	import/m4/getdtablesize.m4 \
> -	import/m4/rewinddir.m4 \
> -	import/m4/string_h.m4 \
> +	import/m4/close.m4 \
>  	import/m4/closedir.m4 \
> -	import/m4/canonicalize.m4 \
> -	import/m4/stdio_h.m4 \
> -	import/m4/fdopendir.m4 \
> -	import/m4/getcwd-abort-bug.m4 \
> -	import/m4/alloca.m4 \
> -	import/m4/strstr.m4 \
> -	import/m4/stat-time.m4 \
> -	import/m4/builtin-expect.m4 \
> -	import/m4/rawmemchr.m4 \
> -	import/m4/msvc-nothrow.m4 \
> -	import/m4/absolute-header.m4 \
> -	import/m4/isnanl.m4 \
> -	import/m4/stddef_h.m4 \
> -	import/m4/gnulib-tool.m4 \
> -	import/m4/realloc.m4 \
> +	import/m4/codeset.m4 \
> +	import/m4/configmake.m4 \
> +	import/m4/d-ino.m4 \
>  	import/m4/d-type.m4 \
> -	import/m4/frexp.m4 \
> -	import/m4/getcwd-path-max.m4 \
> +	import/m4/dirent_h.m4 \
> +	import/m4/dirfd.m4 \
> +	import/m4/dirname.m4 \
> +	import/m4/double-slash-root.m4 \
> +	import/m4/dup.m4 \
>  	import/m4/dup2.m4 \
> -	import/m4/strtok_r.m4 \
> +	import/m4/eealloc.m4 \
> +	import/m4/environ.m4 \
> +	import/m4/errno_h.m4 \
> +	import/m4/error.m4 \
>  	import/m4/exponentd.m4 \
> -	import/m4/std-gnu11.m4 \
> -	import/m4/locale-ja.m4 \
> -	import/m4/gettimeofday.m4 \
> -	import/m4/time_h.m4 \
> -	import/m4/malloc.m4 \
> -	import/m4/fnmatch_h.m4 \
> -	import/m4/codeset.m4 \
> +	import/m4/exponentl.m4 \
> +	import/m4/extensions.m4 \
> +	import/m4/extern-inline.m4 \
> +	import/m4/fchdir.m4 \
> +	import/m4/fcntl-o.m4 \
> +	import/m4/fcntl.m4 \
> +	import/m4/fcntl_h.m4 \
> +	import/m4/fdopendir.m4 \
> +	import/m4/filenamecat.m4 \
> +	import/m4/flexmember.m4 \
> +	import/m4/float_h.m4 \
> +	import/m4/fnmatch.m4 \
> +	import/m4/fpieee.m4 \
> +	import/m4/frexp.m4 \
> +	import/m4/frexpl.m4 \
> +	import/m4/fstat.m4 \
> +	import/m4/fstatat.m4 \
> +	import/m4/getcwd-abort-bug.m4 \
> +	import/m4/getcwd-path-max.m4 \
>  	import/m4/getcwd.m4 \
> -	import/m4/readlink.m4 \
> +	import/m4/getdtablesize.m4 \
> +	import/m4/getlogin_r.m4 \
> +	import/m4/getprogname.m4 \
> +	import/m4/gettimeofday.m4 \
> +	import/m4/glibc21.m4 \
> +	import/m4/glob.m4 \
> +	import/m4/gnulib-cache.m4 \
> +	import/m4/gnulib-common.m4 \
> +	import/m4/gnulib-comp.m4 \
> +	import/m4/gnulib-tool.m4 \
> +	import/m4/hard-locale.m4 \
> +	import/m4/include_next.m4 \
> +	import/m4/inttypes-pri.m4 \
> +	import/m4/inttypes.m4 \
> +	import/m4/isnand.m4 \
> +	import/m4/isnanl.m4 \
> +	import/m4/largefile.m4 \
> +	import/m4/limits-h.m4 \
> +	import/m4/localcharset.m4 \
> +	import/m4/locale-fr.m4 \
> +	import/m4/locale-ja.m4 \
>  	import/m4/locale-zh.m4 \
> -	import/m4/stdint.m4 \
> +	import/m4/longlong.m4 \
> +	import/m4/lstat.m4 \
> +	import/m4/malloc.m4 \
> +	import/m4/malloca.m4 \
> +	import/m4/math_h.m4 \
> +	import/m4/mbrtowc.m4 \
> +	import/m4/mbsinit.m4 \
> +	import/m4/mbsrtowcs.m4 \
> +	import/m4/mbstate_t.m4 \
> +	import/m4/memchr.m4 \
> +	import/m4/memmem.m4 \
> +	import/m4/mempcpy.m4 \
>  	import/m4/memrchr.m4 \
> +	import/m4/mkdir.m4 \
> +	import/m4/mkstemp.m4 \
> +	import/m4/mmap-anon.m4 \
> +	import/m4/mode_t.m4 \
> +	import/m4/msvc-inval.m4 \
> +	import/m4/msvc-nothrow.m4 \
> +	import/m4/multiarch.m4 \
> +	import/m4/nocrash.m4 \
> +	import/m4/off_t.m4 \
>  	import/m4/onceonly.m4 \
> +	import/m4/open.m4 \
> +	import/m4/openat.m4 \
> +	import/m4/opendir.m4 \
>  	import/m4/pathmax.m4 \
> +	import/m4/rawmemchr.m4 \
> +	import/m4/readdir.m4 \
> +	import/m4/readlink.m4 \
> +	import/m4/realloc.m4 \
>  	import/m4/rename.m4 \
> +	import/m4/rewinddir.m4 \
>  	import/m4/rmdir.m4 \
> -	import/m4/dup.m4 \
> -	import/m4/errno_h.m4 \
> -	import/m4/mbrtowc.m4 \
> -	import/m4/environ.m4 \
> -	import/m4/wchar_h.m4 \
> -	import/m4/strchrnul.m4 \
> -	import/m4/fcntl_h.m4 \
> -	import/m4/getpagesize.m4 \
> -	import/m4/largefile.m4 \
> -	import/m4/openat.m4 \
>  	import/m4/save-cwd.m4 \
> +	import/m4/secure_getenv.m4 \
> +	import/m4/setenv.m4 \
> +	import/m4/signal_h.m4 \
> +	import/m4/ssize_t.m4 \
>  	import/m4/stat.m4 \
> -	import/m4/include_next.m4 \
> -	import/m4/mmap-anon.m4 \
> -	import/m4/mode_t.m4 \
> -	import/m4/exponentl.m4 \
> -	import/m4/sys_types_h.m4 \
> -	import/m4/fcntl-o.m4 \
>  	import/m4/stdbool.m4 \
> -	import/m4/float_h.m4 \
> -	import/m4/msvc-inval.m4 \
> -	import/m4/wctype_h.m4 \
> -	import/m4/gnulib-cache.m4 \
> -	import/m4/mbsrtowcs.m4 \
> -	import/m4/limits-h.m4 \
> -	import/m4/locale-fr.m4 \
> -	import/m4/fstatat.m4 \
> -	import/m4/inttypes.m4 \
> -	import/m4/memchr.m4 \
> -	import/m4/glob.m4 \
> -	import/m4/fstat.m4 \
> -	import/m4/sys_stat_h.m4 \
> -	import/m4/off_t.m4 \
> +	import/m4/stddef_h.m4 \
> +	import/m4/stdint.m4 \
> +	import/m4/stdio_h.m4 \
> +	import/m4/stdlib_h.m4 \
> +	import/m4/strchrnul.m4 \
>  	import/m4/strdup.m4 \
> -	import/m4/ssize_t.m4 \
> -	import/m4/math_h.m4 \
> -	import/m4/unistd_h.m4 \
> -	import/m4/fpieee.m4 \
> -	import/m4/mempcpy.m4 \
> -	import/m4/wint_t.m4 \
> -	import/m4/d-ino.m4 \
> -	import/m4/setenv.m4 \
> -	import/m4/open-cloexec.m4 \
> -	import/m4/longlong.m4 \
> -	import/m4/multiarch.m4 \
> -	import/m4/filenamecat.m4 \
> -	import/m4/gnulib-comp.m4 \
> -	import/m4/mkstemp.m4 \
> -	import/m4/dirfd.m4 \
> -	import/m4/getlogin.m4 \
> -	import/m4/signal_h.m4 \
> +	import/m4/strerror.m4 \
> +	import/m4/string_h.m4 \
> +	import/m4/strstr.m4 \
> +	import/m4/strtok_r.m4 \
>  	import/m4/sys_socket_h.m4 \
> -	import/m4/dirname.m4 \
> -	import/m4/00gnulib.m4 \
> -	import/m4/dirent_h.m4 \
> -	import/m4/opendir.m4 \
> -	import/m4/error.m4 \
> -	import/m4/extensions.m4 \
> -	import/m4/fchdir.m4 \
> -	import/m4/mbsinit.m4 \
> -	import/m4/__inline.m4 \
> -	import/m4/extern-inline.m4 \
> -	import/m4/fnmatch.m4 \
> -	import/m4/lstat.m4 \
> -	import/m4/nocrash.m4 \
> +	import/m4/sys_stat_h.m4 \
>  	import/m4/sys_time_h.m4 \
> -	import/m4/localcharset.m4 \
> -	import/m4/open.m4 \
> -	import/m4/localtime-buffer.m4 \
> -	import/m4/getprogname.m4 \
> -	import/m4/wchar_t.m4 \
> -	import/m4/isnand.m4 \
> -	import/m4/double-slash-root.m4 \
> -	import/m4/malloca.m4 \
> -	import/m4/fcntl.m4 \
> -	import/m4/frexpl.m4 \
> -	import/m4/strerror.m4 \
> -	import/m4/glob_h.m4 \
> +	import/m4/sys_types_h.m4 \
>  	import/m4/tempname.m4 \
> -	import/m4/memmem.m4 \
> -	import/m4/mbstate_t.m4
> +	import/m4/time_h.m4 \
> +	import/m4/unistd-safer.m4 \
> +	import/m4/unistd_h.m4 \
> +	import/m4/warn-on-use.m4 \
> +	import/m4/wchar_h.m4 \
> +	import/m4/wchar_t.m4 \
> +	import/m4/wctype_h.m4 \
> +	import/m4/wint_t.m4
> diff --git a/gdb/gnulib/update-gnulib.sh b/gdb/gnulib/update-gnulib.sh
> index 1bae7e124b..3077424622 100755
> --- a/gdb/gnulib/update-gnulib.sh
> +++ b/gdb/gnulib/update-gnulib.sh
> @@ -172,7 +172,8 @@ ACLOCAL_M4_DEPS_FILE=aclocal-m4-deps.mk
>  cat > ${ACLOCAL_M4_DEPS_FILE}.tmp <<EOF
>  # THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
>  aclocal_m4_deps = \\
> -$(find import/m4 -type f -name "*.m4" | sed 's/^/\t/; s/$/ \\/; $s/ \\//g')
> +$(find import/m4 -type f -name "*.m4" | LC_COLLATE=C sort | \
> +  sed 's/^/	/; s/$/ \\/; $s/ \\//g')
>  EOF
>  
>  ../../move-if-change ${ACLOCAL_M4_DEPS_FILE}.tmp ${ACLOCAL_M4_DEPS_FILE}
> 

This LGTM.  The new aclocal-m4-deps.mk files has less items, but that's because it currently
contains some m4 files that don't exist.  I think they were added there with the gnulib
update, but were not removed when it was reverted.  An example of this is import/m4/builtin-expect.m4.

Simon


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