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Update Gnulib to v0.1-4379-g2ef5a9b4b

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Also bump required autoconf version to 2.64, as required by Gnulib.
This commit is contained in:
Andy Wingo 2021-01-20 21:52:54 +01:00
parent 758b31994c
commit a91b95cca2
483 changed files with 26665 additions and 10031 deletions
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39
m4/include_next.m4
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@ -1,12 +1,13 @@
# include_next.m4 serial 23
dnl Copyright (C) 2006-2017 Free Software Foundation, Inc.
# include_next.m4 serial 26
dnl Copyright (C) 2006-2021 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.
dnl From Paul Eggert and Derek Price.
dnl Sets INCLUDE_NEXT and PRAGMA_SYSTEM_HEADER.
dnl Sets INCLUDE_NEXT, INCLUDE_NEXT_AS_FIRST_DIRECTIVE, PRAGMA_SYSTEM_HEADER,
dnl and PRAGMA_COLUMNS.
dnl
dnl INCLUDE_NEXT expands to 'include_next' if the compiler supports it, or to
dnl 'include' otherwise.
@ -105,19 +106,21 @@ dnl We intentionally avoid using AC_LANG_SOURCE here.
AC_SUBST([INCLUDE_NEXT])
AC_SUBST([INCLUDE_NEXT_AS_FIRST_DIRECTIVE])
AC_SUBST([PRAGMA_SYSTEM_HEADER])
AC_CACHE_CHECK([whether system header files limit the line length],
[gl_cv_pragma_columns],
[dnl HP NonStop systems, which define __TANDEM, have this misfeature.
AC_EGREP_CPP([choke me],
dnl HP NonStop systems, which define __TANDEM, limit the line length
dnl after including some system header files.
AC_CACHE_CHECK([whether source code line length is unlimited],
[gl_cv_source_line_length_unlimited],
[AC_EGREP_CPP([choke me],
[
#ifdef __TANDEM
choke me
#endif
],
[gl_cv_pragma_columns=yes],
[gl_cv_pragma_columns=no])
[gl_cv_source_line_length_unlimited=no],
[gl_cv_source_line_length_unlimited=yes])
])
if test $gl_cv_pragma_columns = yes; then
if test $gl_cv_source_line_length_unlimited = no; then
PRAGMA_COLUMNS="#pragma COLUMNS 10000"
else
PRAGMA_COLUMNS=
@ -175,42 +178,40 @@ AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
[AC_CHECK_HEADERS_ONCE([$1])
])
dnl FIXME: gl_next_header and gl_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
m4_foreach_w([gl_HEADER_NAME], [$1],
[AS_VAR_PUSHDEF([gl_next_header],
[gl_cv_next_]m4_defn([gl_HEADER_NAME]))
if test $gl_cv_have_include_next = yes; then
AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
else
AC_CACHE_CHECK(
[absolute name of <]m4_defn([gl_HEADER_NAME])[>],
m4_defn([gl_next_header]),
[gl_next_header],
[m4_if([$2], [check],
[AS_VAR_PUSHDEF([gl_header_exists],
[ac_cv_header_]m4_defn([gl_HEADER_NAME]))
if test AS_VAR_GET(gl_header_exists) = yes; then
if test AS_VAR_GET([gl_header_exists]) = yes; then
AS_VAR_POPDEF([gl_header_exists])
])
gl_ABSOLUTE_HEADER_ONE(gl_HEADER_NAME)
AS_VAR_COPY([gl_header], [gl_cv_absolute_]AS_TR_SH(gl_HEADER_NAME))
AS_VAR_SET(gl_next_header, ['"'$gl_header'"'])
AS_VAR_SET([gl_next_header], ['"'$gl_header'"'])
m4_if([$2], [check],
[else
AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
fi
])
])
fi
AC_SUBST(
AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
[AS_VAR_GET(gl_next_header)])
[AS_VAR_GET([gl_next_header])])
if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
gl_next_as_first_directive='<'gl_HEADER_NAME'>'
else
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
gl_next_as_first_directive=AS_VAR_GET([gl_next_header])
fi
AC_SUBST(
AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),