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Diffstat (limited to 'gnulib-m4/include_next.m4')
-rw-r--r--gnulib-m4/include_next.m440
1 files changed, 20 insertions, 20 deletions
diff --git a/gnulib-m4/include_next.m4 b/gnulib-m4/include_next.m4
index a363cb0..a9247f6 100644
--- a/gnulib-m4/include_next.m4
+++ b/gnulib-m4/include_next.m4
@@ -1,5 +1,5 @@
-# include_next.m4 serial 24
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+# include_next.m4 serial 26
+dnl Copyright (C) 2006-2022 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.
@@ -106,19 +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=
@@ -176,42 +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'"'])
+ 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'"'])
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])),