diff options
Diffstat (limited to 'gnulib-m4/wctype_h.m4')
| -rw-r--r-- | gnulib-m4/wctype_h.m4 | 94 |
1 files changed, 41 insertions, 53 deletions
diff --git a/gnulib-m4/wctype_h.m4 b/gnulib-m4/wctype_h.m4 index 15d1ef32..702cb39c 100644 --- a/gnulib-m4/wctype_h.m4 +++ b/gnulib-m4/wctype_h.m4 @@ -1,15 +1,15 @@ -# wctype_h.m4 serial 21 +# wctype_h.m4 serial 30 dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it. -dnl Copyright (C) 2006-2018 Free Software Foundation, Inc. +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. dnl Written by Paul Eggert. -AC_DEFUN([gl_WCTYPE_H], +AC_DEFUN_ONCE([gl_WCTYPE_H], [ AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) AC_REQUIRE([AC_PROG_CC]) @@ -41,13 +41,6 @@ AC_DEFUN([gl_WCTYPE_H], [ AC_RUN_IFELSE( [AC_LANG_SOURCE([[ - /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be - included before <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> - must be included before <wchar.h>. */ - #include <stddef.h> - #include <stdio.h> - #include <time.h> #include <wchar.h> #include <wctype.h> int main () { return iswprint ('x') == 0; } @@ -57,7 +50,7 @@ AC_DEFUN([gl_WCTYPE_H], AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h> #if __GNU_LIBRARY__ == 1 Linux libc5 i18n is broken. - #endif]], [])], + #endif]], [[]])], [gl_cv_func_iswcntrl_works="guessing yes"], [gl_cv_func_iswcntrl_works="guessing no"]) ]) @@ -69,10 +62,14 @@ AC_DEFUN([gl_WCTYPE_H], fi AC_SUBST([HAVE_WCTYPE_H]) - case "$gl_cv_func_iswcntrl_works" in - *yes) REPLACE_ISWCNTRL=0 ;; - *) REPLACE_ISWCNTRL=1 ;; - esac + if test $GNULIBHEADERS_OVERRIDE_WINT_T = 1; then + REPLACE_ISWCNTRL=1 + else + case "$gl_cv_func_iswcntrl_works" in + *yes) REPLACE_ISWCNTRL=0 ;; + *) REPLACE_ISWCNTRL=1 ;; + esac + fi AC_SUBST([REPLACE_ISWCNTRL]) if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then @@ -88,14 +85,7 @@ AC_DEFUN([gl_WCTYPE_H], REPLACE_TOWLOWER=0 else AC_CHECK_DECLS([towlower],,, - [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be - included before <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> - must be included before <wchar.h>. */ - #include <stddef.h> - #include <stdio.h> - #include <time.h> - #include <wchar.h> + [[#include <wchar.h> #if HAVE_WCTYPE_H # include <wctype.h> #endif @@ -124,14 +114,7 @@ AC_DEFUN([gl_WCTYPE_H], AC_CACHE_CHECK([for wctype_t], [gl_cv_type_wctype_t], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( - [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be - included before <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> - must be included before <wchar.h>. */ - #include <stddef.h> - #include <stdio.h> - #include <time.h> - #include <wchar.h> + [[#include <wchar.h> #if HAVE_WCTYPE_H # include <wctype.h> #endif @@ -150,14 +133,7 @@ AC_DEFUN([gl_WCTYPE_H], AC_CACHE_CHECK([for wctrans_t], [gl_cv_type_wctrans_t], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( - [[/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be - included before <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> - must be included before <wchar.h>. */ - #include <stddef.h> - #include <stdio.h> - #include <time.h> - #include <wchar.h> + [[#include <wchar.h> #include <wctype.h> wctrans_t a; ]], @@ -172,14 +148,7 @@ AC_DEFUN([gl_WCTYPE_H], dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[ -/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before - <wchar.h>. - BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be - included before <wchar.h>. */ #if !(defined __GLIBC__ && !defined __UCLIBC__) -# include <stddef.h> -# include <stdio.h> -# include <time.h> # include <wchar.h> #endif #include <wctype.h> @@ -188,25 +157,44 @@ AC_DEFUN([gl_WCTYPE_H], ]) ]) +# gl_WCTYPE_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_WCTYPE_MODULE_INDICATOR], [ - dnl Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) + dnl Ensure to expand the default settings once only. + gl_WCTYPE_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_WCTYPE_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_WCTYPE_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISWBLANK]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISWDIGIT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISWXDIGIT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCTYPE]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISWCTYPE]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCTRANS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TOWCTRANS]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_WCTYPE_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_WCTYPE_H_DEFAULTS]) +]) + AC_DEFUN([gl_WCTYPE_H_DEFAULTS], [ - GNULIB_ISWBLANK=0; AC_SUBST([GNULIB_ISWBLANK]) - GNULIB_WCTYPE=0; AC_SUBST([GNULIB_WCTYPE]) - GNULIB_ISWCTYPE=0; AC_SUBST([GNULIB_ISWCTYPE]) - GNULIB_WCTRANS=0; AC_SUBST([GNULIB_WCTRANS]) - GNULIB_TOWCTRANS=0; AC_SUBST([GNULIB_TOWCTRANS]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_ISWBLANK=1; AC_SUBST([HAVE_ISWBLANK]) HAVE_WCTYPE_T=1; AC_SUBST([HAVE_WCTYPE_T]) HAVE_WCTRANS_T=1; AC_SUBST([HAVE_WCTRANS_T]) REPLACE_ISWBLANK=0; AC_SUBST([REPLACE_ISWBLANK]) + REPLACE_ISWDIGIT=0; AC_SUBST([REPLACE_ISWDIGIT]) + REPLACE_ISWXDIGIT=0; AC_SUBST([REPLACE_ISWXDIGIT]) ]) |