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* acfunctions.m4 (AC_FUNC_STRERROR_R): Update to

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fileutils-4.0.42's.
This commit is contained in:
Akim Demaille 2001-03-19 11:22:10 +00:00
parent a21d079e63
commit 848752c32f
4 changed files with 77 additions and 14 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2001-03-19 Akim Demaille <akim@epita.fr>
* acfunctions.m4 (AC_FUNC_STRERROR_R): Update to
fileutils-4.0.42's.
2001-03-19 Akim Demaille <akim@epita.fr>
* tests/atgeneral.m4 (AT_INIT): Don't always create `empty', rather

39
acfunctions.m4
View File

@ -1283,7 +1283,8 @@ fi
# AC_FUNC_STRERROR_R
# ------------------
AC_DEFUN([AC_FUNC_STRERROR_R],
[AC_CHECK_FUNCS([strerror_r])
[AC_CHECK_DECLS([strerror_r])
AC_CHECK_FUNCS([strerror_r])
if test $ac_cv_func_strerror_r = yes; then
AC_CHECK_HEADERS(string.h)
AC_CACHE_CHECK([for working strerror_r],
@ -1297,14 +1298,42 @@ if test $ac_cv_func_strerror_r = yes; then
# endif
],
[
char buf;
char x = *strerror_r (0, &buf, sizeof buf);
char buf[100];
char x = *strerror_r (0, buf, sizeof buf);
],
ac_cv_func_strerror_r_works=yes,
ac_cv_func_strerror_r_works=no
)])
)
if test $ac_cv_func_strerror_r_works = no; then
# strerror_r seems not to work, but now we have to choose between
# systems that have relatively inaccessible declarations for the
# function. BeOS and DEC UNIX 4.0 fall in this category, but the
# former has a strerror_r that returns char*, while the latter
# has a strerror_r that returns `int'.
# This test should segfault on the DEC system.
AC_TRY_RUN(
[
# include <stdio.h>
# include <string.h>
# include <ctype.h>
extern char *strerror_r ();
int
main ()
{
char buf[100];
char x = *strerror_r (0, buf, sizeof buf);
exit (!isalpha (x));
}
],
ac_cv_func_strerror_r_works=yes,
ac_cv_func_strerror_r_works=no,
ac_cv_func_strerror_r_works=no)
fi
])
if test $ac_cv_func_strerror_r_works = yes; then
AC_DEFINE_UNQUOTED(HAVE_WORKING_STRERROR_R, 1,
AC_DEFINE_UNQUOTED([HAVE_WORKING_STRERROR_R], 1,
[Define to 1 if `strerror_r' returns a string.])
fi
fi

8
doc/autoconf.texi
View File

@ -55,8 +55,8 @@ This file documents the GNU Autoconf package for creating scripts to
configure source code packages using templates and an @code{m4} macro
package.
Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000 Free Software
Foundation, Inc.
Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001 Free
Software Foundation, Inc.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
@ -90,8 +90,8 @@ approved by the Foundation.
@page
@vskip 0pt plus 1filll
Copyright @copyright{} 1992, 93, 94, 95, 96, 98, 99, 2000 Free Software
Foundation, Inc.
Copyright @copyright{} 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
2001 Free Software Foundation, Inc.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are

39
lib/autoconf/functions.m4
View File

@ -1283,7 +1283,8 @@ fi
# AC_FUNC_STRERROR_R
# ------------------
AC_DEFUN([AC_FUNC_STRERROR_R],
[AC_CHECK_FUNCS([strerror_r])
[AC_CHECK_DECLS([strerror_r])
AC_CHECK_FUNCS([strerror_r])
if test $ac_cv_func_strerror_r = yes; then
AC_CHECK_HEADERS(string.h)
AC_CACHE_CHECK([for working strerror_r],
@ -1297,14 +1298,42 @@ if test $ac_cv_func_strerror_r = yes; then
# endif
],
[
char buf;
char x = *strerror_r (0, &buf, sizeof buf);
char buf[100];
char x = *strerror_r (0, buf, sizeof buf);
],
ac_cv_func_strerror_r_works=yes,
ac_cv_func_strerror_r_works=no
)])
)
if test $ac_cv_func_strerror_r_works = no; then
# strerror_r seems not to work, but now we have to choose between
# systems that have relatively inaccessible declarations for the
# function. BeOS and DEC UNIX 4.0 fall in this category, but the
# former has a strerror_r that returns char*, while the latter
# has a strerror_r that returns `int'.
# This test should segfault on the DEC system.
AC_TRY_RUN(
[
# include <stdio.h>
# include <string.h>
# include <ctype.h>
extern char *strerror_r ();
int
main ()
{
char buf[100];
char x = *strerror_r (0, buf, sizeof buf);
exit (!isalpha (x));
}
],
ac_cv_func_strerror_r_works=yes,
ac_cv_func_strerror_r_works=no,
ac_cv_func_strerror_r_works=no)
fi
])
if test $ac_cv_func_strerror_r_works = yes; then
AC_DEFINE_UNQUOTED(HAVE_WORKING_STRERROR_R, 1,
AC_DEFINE_UNQUOTED([HAVE_WORKING_STRERROR_R], 1,
[Define to 1 if `strerror_r' returns a string.])
fi
fi