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* acfunctions.m4 (_AC_LIBOBJ_STRTOD, AC_FUNC_STRTOD,

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AM_FUNC_STRTOD): New macros, from Automake.
* acfunctions: Adjust.
This commit is contained in:
Akim Demaille 2000-08-01 11:16:33 +00:00
parent 99d2fcb4af
commit 7bd04c77a0
8 changed files with 136 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2000-08-01 Akim Demaille <akim@epita.fr>
* acfunctions.m4 (_AC_LIBOBJ_STRTOD, AC_FUNC_STRTOD,
AM_FUNC_STRTOD): New macros, from Automake.
* acfunctions: Adjust.
2000-08-01 Akim Demaille <akim@epita.fr>
* acidentifiers: Catch ptrdiff_t.

2
NEWS
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@ -190,7 +190,7 @@ test cases in this new frame work.
** Specific Macros
- AC_FUNC_CHOWN, AC_FUNC_MALLOC, AC_FUNC_STRERROR_R,
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK, AC_FUNC_STAT, AC_FUNC_LSTAT,
AC_FUNC_ERROR_AT_LINE, AC_FUNC_OBSTACK.
AC_FUNC_ERROR_AT_LINE, AC_FUNC_OBSTACK, AC_FUNC_STRTOD.
New.
- AC_FUNC_GETGROUPS

2
TODO
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@ -97,6 +97,8 @@ this. Most should be removed.
** AC_EXEXT, AC_OBJEXT
Support should be enabled by default.
** Macros now swallowed by Autoconf.
error.m4, obstack.m4, ptrdiff.m4, strtod.m4, termios.m4, winsz.m4.
------------------------------------------------------------------------------

1
acfunctions
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@ -33,6 +33,7 @@ stat AC_FUNC_STAT
strcoll AC_FUNC_STRCOLL
strerror_r AC_FUNC_STRERROR_R
strftime AC_FUNC_STRFTIME
strtod AC_FUNC_STRTOD
utime AC_FUNC_UTIME_NULL
vfork AC_FUNC_VFORK
vfprintf AC_FUNC_VPRINTF

58
acfunctions.m4
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@ -1201,6 +1201,64 @@ AC_DEFUN([AC_FUNC_STAT], [_AC_FUNC_STAT(stat)])
AC_DEFUN([AC_FUNC_LSTAT], [_AC_FUNC_STAT(lstat)])
# _AC_LIBOBJ_STRTOD
# -----------------
define([_AC_LIBOBJ_STRTOD],
[AC_LIBOBJ(strtod)
AC_CHECK_FUNC(pow)
if test $ac_cv_func_pow = no; then
AC_CHECK_LIB(m, pow,
[POW_LIB=-lm],
[AC_MSG_WARN(can't find library containing definition of pow)])
fi
])# _AC_LIBOBJ_STRTOD
# AC_FUNC_STRTOD
# --------------
AC_DEFUN([AC_FUNC_STRTOD],
[AC_CACHE_CHECK(for working strtod, ac_cv_func_strtod,
[AC_TRY_RUN([
double strtod ();
int
main()
{
{
/* Some versions of Linux strtod mis-parse strings with leading '+'. */
char *string = " +69";
char *term;
double value;
value = strtod (string, &term);
if (value != 69 || term != (string + 4))
exit (1);
}
{
/* Under Solaris 2.4, strtod returns the wrong value for the
terminating character under some conditions. */
char *string = "NaN";
char *term;
strtod (string, &term);
if (term != string && *(term - 1) == 0)
exit (1);
}
exit (0);
}
],
ac_cv_func_strtod=yes,
ac_cv_func_strtod=no,
ac_cv_func_strtod=no)])
if test $ac_cv_func_strtod = no; then
_AC_LIBOBJ_STRTOD
fi
])
# AU::AM_FUNC_STRTOD
# -------------------
AU_ALIAS([AM_FUNC_STRTOD], [AC_FUNC_STRTOD])
# AC_FUNC_STRERROR_R
# ------------------
AC_DEFUN([AC_FUNC_STRERROR_R],

9
doc/autoconf.texi
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@ -3140,6 +3140,15 @@ If the @code{strcoll} function exists and works correctly, define
definitions of @code{strcoll}, which should not be used.
@end defmac
@defmac AC_FUNC_STRTOD
@maindex FUNC_STRTOD
@ovindex POW_LIB
If the @code{strtod} function does not exist or doesn't work correctly,
ask for an @code{AC_LIBOBJ} replacement of @samp{strtod}. In this case,
because @file{strtod.c} is likely to need @samp{pow}, set the output
variable @code{POW_LIB} to the extra library needed.
@end defmac
@defmac AC_FUNC_STRERROR_R
@maindex FUNC_STRERROR_R
@cvindex HAVE_STRERROR_R

58
lib/autoconf/functions.m4
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@ -1201,6 +1201,64 @@ AC_DEFUN([AC_FUNC_STAT], [_AC_FUNC_STAT(stat)])
AC_DEFUN([AC_FUNC_LSTAT], [_AC_FUNC_STAT(lstat)])
# _AC_LIBOBJ_STRTOD
# -----------------
define([_AC_LIBOBJ_STRTOD],
[AC_LIBOBJ(strtod)
AC_CHECK_FUNC(pow)
if test $ac_cv_func_pow = no; then
AC_CHECK_LIB(m, pow,
[POW_LIB=-lm],
[AC_MSG_WARN(can't find library containing definition of pow)])
fi
])# _AC_LIBOBJ_STRTOD
# AC_FUNC_STRTOD
# --------------
AC_DEFUN([AC_FUNC_STRTOD],
[AC_CACHE_CHECK(for working strtod, ac_cv_func_strtod,
[AC_TRY_RUN([
double strtod ();
int
main()
{
{
/* Some versions of Linux strtod mis-parse strings with leading '+'. */
char *string = " +69";
char *term;
double value;
value = strtod (string, &term);
if (value != 69 || term != (string + 4))
exit (1);
}
{
/* Under Solaris 2.4, strtod returns the wrong value for the
terminating character under some conditions. */
char *string = "NaN";
char *term;
strtod (string, &term);
if (term != string && *(term - 1) == 0)
exit (1);
}
exit (0);
}
],
ac_cv_func_strtod=yes,
ac_cv_func_strtod=no,
ac_cv_func_strtod=no)])
if test $ac_cv_func_strtod = no; then
_AC_LIBOBJ_STRTOD
fi
])
# AU::AM_FUNC_STRTOD
# -------------------
AU_ALIAS([AM_FUNC_STRTOD], [AC_FUNC_STRTOD])
# AC_FUNC_STRERROR_R
# ------------------
AC_DEFUN([AC_FUNC_STRERROR_R],

1
lib/autoscan/functions
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@ -33,6 +33,7 @@ stat AC_FUNC_STAT
strcoll AC_FUNC_STRCOLL
strerror_r AC_FUNC_STRERROR_R
strftime AC_FUNC_STRFTIME
strtod AC_FUNC_STRTOD
utime AC_FUNC_UTIME_NULL
vfork AC_FUNC_VFORK
vfprintf AC_FUNC_VPRINTF