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-rw-r--r--gnulib/import/m4/wchar_h.m4113
1 files changed, 65 insertions, 48 deletions
diff --git a/gnulib/import/m4/wchar_h.m4 b/gnulib/import/m4/wchar_h.m4
index 59c55fcda02..4baba1af05a 100644
--- a/gnulib/import/m4/wchar_h.m4
+++ b/gnulib/import/m4/wchar_h.m4
@@ -1,15 +1,15 @@
dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues.
-dnl Copyright (C) 2007-2021 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2022 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.
dnl Written by Eric Blake.
-# wchar_h.m4 serial 50
+# wchar_h.m4 serial 55
-AC_DEFUN([gl_WCHAR_H],
+AC_DEFUN_ONCE([gl_WCHAR_H],
[
AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
AC_REQUIRE([gl_WCHAR_H_INLINE_OK])
@@ -125,60 +125,77 @@ Configuration aborted.])
fi
])
+# gl_WCHAR_MODULE_INDICATOR([modulename])
+# sets the shell variable that indicates the presence of the given module
+# to a C preprocessor expression that will evaluate to 1.
+# This macro invocation must not occur in macros that are AC_REQUIREd.
AC_DEFUN([gl_WCHAR_MODULE_INDICATOR],
[
- dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
- AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ dnl Ensure to expand the default settings once only.
+ gl_WCHAR_H_REQUIRE_DEFAULTS
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
dnl Define it also as a C macro, for the benefit of the unit tests.
gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
+# Initializes the default values for AC_SUBSTed shell variables.
+# This macro must not be AC_REQUIREd. It must only be invoked, and only
+# outside of macros or in macros that are not AC_REQUIREd.
+AC_DEFUN([gl_WCHAR_H_REQUIRE_DEFAULTS],
+[
+ m4_defun(GL_MODULE_INDICATOR_PREFIX[_WCHAR_H_MODULE_INDICATOR_DEFAULTS], [
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_BTOWC])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCTOB])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSINIT])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBRTOWC])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBRLEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSRTOWCS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSNRTOWCS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCRTOMB])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSRTOMBS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNRTOMBS])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCWIDTH])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMCHR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMCMP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMCPY])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMMOVE])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMPCPY])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMSET])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSLEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNLEN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCPY])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCPCPY])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCPY])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCPNCPY])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCAT])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCAT])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCMP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCMP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCASECMP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCASECMP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCOLL])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSXFRM])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSDUP])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCHR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSRCHR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCSPN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSSPN])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSPBRK])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSSTR])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSTOK])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSWIDTH])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSFTIME])
+ dnl Support Microsoft deprecated alias function names by default.
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_WCSDUP], [1])
+ ])
+ m4_require(GL_MODULE_INDICATOR_PREFIX[_WCHAR_H_MODULE_INDICATOR_DEFAULTS])
+ dnl Make sure the shell variable for GNULIB_FREE_POSIX is initialized.
+ gl_STDLIB_H_REQUIRE_DEFAULTS
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+])
+
AC_DEFUN([gl_WCHAR_H_DEFAULTS],
[
- GNULIB_BTOWC=0; AC_SUBST([GNULIB_BTOWC])
- GNULIB_WCTOB=0; AC_SUBST([GNULIB_WCTOB])
- GNULIB_MBSINIT=0; AC_SUBST([GNULIB_MBSINIT])
- GNULIB_MBRTOWC=0; AC_SUBST([GNULIB_MBRTOWC])
- GNULIB_MBRLEN=0; AC_SUBST([GNULIB_MBRLEN])
- GNULIB_MBSRTOWCS=0; AC_SUBST([GNULIB_MBSRTOWCS])
- GNULIB_MBSNRTOWCS=0; AC_SUBST([GNULIB_MBSNRTOWCS])
- GNULIB_WCRTOMB=0; AC_SUBST([GNULIB_WCRTOMB])
- GNULIB_WCSRTOMBS=0; AC_SUBST([GNULIB_WCSRTOMBS])
- GNULIB_WCSNRTOMBS=0; AC_SUBST([GNULIB_WCSNRTOMBS])
- GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH])
- GNULIB_WMEMCHR=0; AC_SUBST([GNULIB_WMEMCHR])
- GNULIB_WMEMCMP=0; AC_SUBST([GNULIB_WMEMCMP])
- GNULIB_WMEMCPY=0; AC_SUBST([GNULIB_WMEMCPY])
- GNULIB_WMEMMOVE=0; AC_SUBST([GNULIB_WMEMMOVE])
- GNULIB_WMEMPCPY=0; AC_SUBST([GNULIB_WMEMPCPY])
- GNULIB_WMEMSET=0; AC_SUBST([GNULIB_WMEMSET])
- GNULIB_WCSLEN=0; AC_SUBST([GNULIB_WCSLEN])
- GNULIB_WCSNLEN=0; AC_SUBST([GNULIB_WCSNLEN])
- GNULIB_WCSCPY=0; AC_SUBST([GNULIB_WCSCPY])
- GNULIB_WCPCPY=0; AC_SUBST([GNULIB_WCPCPY])
- GNULIB_WCSNCPY=0; AC_SUBST([GNULIB_WCSNCPY])
- GNULIB_WCPNCPY=0; AC_SUBST([GNULIB_WCPNCPY])
- GNULIB_WCSCAT=0; AC_SUBST([GNULIB_WCSCAT])
- GNULIB_WCSNCAT=0; AC_SUBST([GNULIB_WCSNCAT])
- GNULIB_WCSCMP=0; AC_SUBST([GNULIB_WCSCMP])
- GNULIB_WCSNCMP=0; AC_SUBST([GNULIB_WCSNCMP])
- GNULIB_WCSCASECMP=0; AC_SUBST([GNULIB_WCSCASECMP])
- GNULIB_WCSNCASECMP=0; AC_SUBST([GNULIB_WCSNCASECMP])
- GNULIB_WCSCOLL=0; AC_SUBST([GNULIB_WCSCOLL])
- GNULIB_WCSXFRM=0; AC_SUBST([GNULIB_WCSXFRM])
- GNULIB_WCSDUP=0; AC_SUBST([GNULIB_WCSDUP])
- GNULIB_WCSCHR=0; AC_SUBST([GNULIB_WCSCHR])
- GNULIB_WCSRCHR=0; AC_SUBST([GNULIB_WCSRCHR])
- GNULIB_WCSCSPN=0; AC_SUBST([GNULIB_WCSCSPN])
- GNULIB_WCSSPN=0; AC_SUBST([GNULIB_WCSSPN])
- GNULIB_WCSPBRK=0; AC_SUBST([GNULIB_WCSPBRK])
- GNULIB_WCSSTR=0; AC_SUBST([GNULIB_WCSSTR])
- GNULIB_WCSTOK=0; AC_SUBST([GNULIB_WCSTOK])
- GNULIB_WCSWIDTH=0; AC_SUBST([GNULIB_WCSWIDTH])
- GNULIB_WCSFTIME=0; AC_SUBST([GNULIB_WCSFTIME])
- dnl Support Microsoft deprecated alias function names by default.
- GNULIB_MDA_WCSDUP=1; AC_SUBST([GNULIB_MDA_WCSDUP])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_BTOWC=1; AC_SUBST([HAVE_BTOWC])
HAVE_MBSINIT=1; AC_SUBST([HAVE_MBSINIT])