gnulib: m4/wctob.m4 annotate

annotate m4/wctob.m4 @ 40196:e63f5d3edab5

relocatable-prog: Update documentation. * doc/relocatable-maint.texi (Supporting Relocation): Update to match the recent changes.

author	Bruno Haible <bruno@clisp.org>
date	Sun, 24 Feb 2019 01:49:15 +0100
parents	b06060465f09
children

rev	line source
18993 a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	1 # wctob.m4 serial 11
40057 b06060465f09 maint: Run 'make update-copyright' Paul Eggert <eggert@cs.ucla.edu> parents: 19484 diff changeset	2 dnl Copyright (C) 2008-2019 Free Software Foundation, Inc.
10905 bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	3 dnl This file is free software; the Free Software Foundation
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	4 dnl gives unlimited permission to copy and/or distribute it,
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	5 dnl with or without modifications, as long as this notice is preserved.
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	6
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 AC_DEFUN([gl_FUNC_WCTOB],
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	8 [
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	9 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	10
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	11 AC_CHECK_FUNCS_ONCE([wctob])
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	12 if test $ac_cv_func_wctob = no; then
15163 ff1ca7dbde1e wctob: Move AC_LIBOBJ invocations to module description. Bruno Haible <bruno@clisp.org> parents: 14685 diff changeset	13 HAVE_WCTOB=0
10917 e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	14 HAVE_DECL_WCTOB=0
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	15 else
15163 ff1ca7dbde1e wctob: Move AC_LIBOBJ invocations to module description. Bruno Haible <bruno@clisp.org> parents: 14685 diff changeset	16 HAVE_WCTOB=1
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	17
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	18 dnl Solaris 9 has the wctob() function but it does not work.
13298 1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	19 dnl Cygwin 1.7.2 has the wctob() function but it clobbers caller-owned
19192 d86e08b1f555 all: Replace many more http URLs by https URLs. Update stale URLs. Bruno Haible <bruno@clisp.org> parents: 18993 diff changeset	20 dnl registers, see <https://cygwin.com/ml/cygwin/2010-05/msg00015.html>.
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	21 AC_REQUIRE([AC_PROG_CC])
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	22 AC_REQUIRE([gt_LOCALE_FR])
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	23 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	24 AC_CACHE_CHECK([whether wctob works],
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	25 [gl_cv_func_wctob_works],
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	26 [
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	27 dnl Initial guess, used when cross-compiling or when no suitable locale
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	28 dnl is present.
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	29 changequote(,)dnl
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	30 case "$host_os" in
13298 1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	31 # Guess no on Solaris <= 9 and Cygwin.
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	32 solaris2.[1-9] \| solaris2.[1-9].* \| cygwin*)
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	33 gl_cv_func_wctob_works="guessing no" ;;
18993 a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	34 # Guess no on native Windows.
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	35 mingw*)
a75cfc731331 Improve cross-compilation guesses for native Windows. Bruno Haible <bruno@clisp.org> parents: 18626 diff changeset	36 gl_cv_func_wctob_works="guessing no" ;;
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	37 # Guess yes otherwise.
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	38 *) gl_cv_func_wctob_works="guessing yes" ;;
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	39 esac
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	40 changequote([,])dnl
13298 1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	41 case "$host_os" in
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	42 cygwin*)
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	43 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	44 [AC_LANG_SOURCE([[
13298 1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	45 #include <locale.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	46 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	47 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	48 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	49 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	50 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	51 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	52 #include <time.h>
13298 1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	53 #include <wchar.h>
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	54
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	55 register long global __asm__ ("%ebx");
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	56
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	57 int main ()
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	58 {
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	59 setlocale (LC_ALL, "en_US.UTF-8");
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	60
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	61 global = 0x12345678;
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	62 if (wctob (0x00FC) != -1)
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	63 return 1;
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	64 if (global != 0x12345678)
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	65 return 2;
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	66 return 0;
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	67 }]])],
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	68 [:],
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	69 [gl_cv_func_wctob_works=no],
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	70 [:])
13298 1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	71 ;;
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	72 esac
1a9111853b72 wctob: Work around nasty Cygwin 1.7.2 bug. Bruno Haible <bruno@clisp.org> parents: 12559 diff changeset	73 if test "$gl_cv_func_wctob_works" != no && test $LOCALE_FR != none; then
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	74 AC_RUN_IFELSE(
da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	75 [AC_LANG_SOURCE([[
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	76 #include <locale.h>
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	77 #include <string.h>
14020 318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	78 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	79 <wchar.h>.
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	80 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	81 included before <wchar.h>. */
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	82 #include <stddef.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	83 #include <stdio.h>
318a4063e921 Ensure all prerequisites of <wchar.h> are included. Bruno Haible <bruno@clisp.org> parents: 13579 diff changeset	84 #include <time.h>
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	85 #include <wchar.h>
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	86 int main ()
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	87 {
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	88 if (setlocale (LC_ALL, "$LOCALE_FR") != NULL)
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	89 {
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	90 wchar_t wc;
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	91
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	92 if (mbtowc (&wc, "\374", 1) == 1)
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	93 if (wctob (wc) != (unsigned char) '\374')
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	94 return 1;
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	95 }
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	96 return 0;
13579 da9779900713 Modernize AC_TRY_RUN invocations. Bruno Haible <bruno@clisp.org> parents: 13298 diff changeset	97 }]])],
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	98 [gl_cv_func_wctob_works=yes],
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	99 [gl_cv_func_wctob_works=no],
11493 fcd8e65744b2 Fix cross-compilation results. Bruno Haible <bruno@clisp.org> parents: 10922 diff changeset	100 [:])
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	101 fi
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	102 ])
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	103 case "$gl_cv_func_wctob_works" in
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	104 *yes) ;;
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	105 *) REPLACE_WCTOB=1 ;;
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	106 esac
15163 ff1ca7dbde1e wctob: Move AC_LIBOBJ invocations to module description. Bruno Haible <bruno@clisp.org> parents: 14685 diff changeset	107 if test $REPLACE_WCTOB = 0; then
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	108
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	109 dnl IRIX 6.5 has the wctob() function but does not declare it.
15618 9d4b273deacd Properly quote AC_CHECK_DECLS' 4th argument. Bruno Haible <bruno@clisp.org> parents: 15163 diff changeset	110 AC_CHECK_DECLS([wctob], [], [], [[
10917 e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	111 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	112 <wchar.h>.
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	113 BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	114 before <wchar.h>. */
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	115 #include <stddef.h>
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	116 #include <stdio.h>
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	117 #include <time.h>
e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	118 #include <wchar.h>
15618 9d4b273deacd Properly quote AC_CHECK_DECLS' 4th argument. Bruno Haible <bruno@clisp.org> parents: 15163 diff changeset	119 ]])
10922 91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	120 if test $ac_cv_have_decl_wctob != yes; then
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	121 HAVE_DECL_WCTOB=0
91831148c181 Work around wctob bug on Solaris 9. Bruno Haible <bruno@clisp.org> parents: 10917 diff changeset	122 fi
10917 e5c15988572b Ensure wctob is declared on IRIX 6.5. Bruno Haible <bruno@clisp.org> parents: 10905 diff changeset	123 fi
10905 bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	124 fi
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	125 ])
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	126
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	127 # Prerequisites of lib/wctob.c.
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	128 AC_DEFUN([gl_PREREQ_WCTOB], [
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	129 :
bafd3f4f3496 New module 'wctob'. Bruno Haible <bruno@clisp.org> parents: diff changeset	130 ])

Mercurial > gnulib

annotate m4/wctob.m4 @ 40196:e63f5d3edab5