-# printf.m4 serial 2
+# printf.m4 serial 4
dnl Copyright (C) 2003, 2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([gl_AC_HEADER_STDINT_H])
AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
- AC_REQUIRE([gt_TYPE_LONGDOUBLE])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether printf supports size specifiers as in C99],
[gl_cv_func_printf_sizes_c99],
if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0
|| strcmp (buf, "12345673 33") != 0)
return 1;
-#if HAVE_LONG_DOUBLE
buf[0] = '\0';
if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0
|| strcmp (buf, "1.5 33") != 0)
return 1;
-#endif
return 0;
}], [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no],
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl Guess yes on MacOS X >= 10.3.
+ # Guess yes on MacOS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";;
darwin*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl Guess yes on OpenBSD >= 3.9.
+ # Guess yes on OpenBSD >= 3.9.
openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
gl_cv_func_printf_sizes_c99="guessing no";;
openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl Guess yes on Solaris >= 2.10.
+ # Guess yes on Solaris >= 2.10.
solaris2.[0-9]*) gl_cv_func_printf_sizes_c99="guessing no";;
solaris*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl Guess yes on NetBSD >= 3.
+ # Guess yes on NetBSD >= 3.
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_printf_sizes_c99="guessing no";;
netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_printf_sizes_c99="guessing no";;
esac
changequote([,])dnl
AC_DEFUN([gl_PRINTF_DIRECTIVE_A],
[
AC_REQUIRE([AC_PROG_CC])
- AC_REQUIRE([gt_TYPE_LONGDOUBLE])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives],
[gl_cv_func_printf_directive_a],
&& strcmp (buf, "-0X6.488P-1 33") != 0
&& strcmp (buf, "-0XC.91P-2 33") != 0))
return 1;
+ /* This catches a FreeBSD 6.1 bug: it doesn't round. */
+ if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
+ || (strcmp (result, "0x1.83p+0 33") != 0
+ && strcmp (result, "0x3.05p-1 33") != 0
+ && strcmp (result, "0x6.0ap-2 33") != 0
+ && strcmp (result, "0xc.14p-3 33") != 0))
+ return 1;
/* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */
if (sprintf (buf, "%.1a", 1.999) < 0
|| (strcmp (buf, "0x1.0p+1") != 0
&& strcmp (buf, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
return 1;
-#if HAVE_LONG_DOUBLE
/* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a
glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
if (sprintf (buf, "%.1La", 1.999L) < 0
&& strcmp (buf, "0x4.0p-1") != 0
&& strcmp (buf, "0x8.0p-2") != 0))
return 1;
-#endif
return 0;
}], [gl_cv_func_printf_directive_a=yes], [gl_cv_func_printf_directive_a=no],
[
case "$host_os" in
- dnl Guess yes on glibc >= 2.5 systems.
+ # Guess yes on glibc >= 2.5 systems.
*-gnu*)
AC_EGREP_CPP([BZ2908], [
#include <features.h>
[gl_cv_func_printf_directive_a="guessing yes"],
[gl_cv_func_printf_directive_a="guessing no"])
;;
-changequote(,)dnl
- dnl Guess yes on FreeBSD >= 5.
- freebsd[1-4]*) gl_cv_func_printf_directive_a="guessing no";;
- freebsd* | kfreebsd*) gl_cv_func_printf_directive_a="guessing yes";;
- dnl Guess yes on NetBSD >= 4.
- netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
- gl_cv_func_printf_directive_a="guessing no";;
- netbsd*) gl_cv_func_printf_directive_a="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_printf_directive_a="guessing no";;
esac
-changequote([,])dnl
])
])
])
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on MacOS X >= 10.3.
+ # Guess yes on MacOS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on OpenBSD >= 3.9.
+ # Guess yes on OpenBSD >= 3.9.
openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
gl_cv_func_snprintf_truncation_c99="guessing no";;
openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on Solaris >= 2.6.
+ # Guess yes on Solaris >= 2.6.
solaris2.[0-5]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on AIX >= 4.
+ # Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on HP-UX >= 11.
+ # Guess yes on HP-UX >= 11.
hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on IRIX >= 6.5.
+ # Guess yes on IRIX >= 6.5.
irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on OSF/1 >= 5.
+ # Guess yes on OSF/1 >= 5.
osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on NetBSD >= 3.
+ # Guess yes on NetBSD >= 3.
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_snprintf_truncation_c99="guessing no";;
netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl Guess yes on BeOS.
+ # Guess yes on BeOS.
beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_snprintf_truncation_c99="guessing no";;
esac
changequote([,])dnl
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on MacOS X >= 10.3.
+ # Guess yes on MacOS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on OpenBSD >= 3.9.
+ # Guess yes on OpenBSD >= 3.9.
openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
gl_cv_func_snprintf_retval_c99="guessing no";;
openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on Solaris >= 2.6.
+ # Guess yes on Solaris >= 2.6.
solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";;
solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on AIX >= 4.
+ # Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";;
aix*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on NetBSD >= 3.
+ # Guess yes on NetBSD >= 3.
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_snprintf_retval_c99="guessing no";;
netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl Guess yes on BeOS.
+ # Guess yes on BeOS.
beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_snprintf_retval_c99="guessing no";;
esac
changequote([,])dnl
[
changequote(,)dnl
case "$host_os" in
- dnl Guess yes on glibc systems.
+ # Guess yes on glibc systems.
*-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on FreeBSD >= 5.
+ # Guess yes on FreeBSD >= 5.
freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on MacOS X >= 10.3.
+ # Guess yes on MacOS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";;
darwin*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on Solaris >= 2.6.
+ # Guess yes on Solaris >= 2.6.
solaris2.[0-5]*) gl_cv_func_snprintf_directive_n="guessing no";;
solaris*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on AIX >= 4.
+ # Guess yes on AIX >= 4.
aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";;
aix*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on IRIX >= 6.5.
+ # Guess yes on IRIX >= 6.5.
irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on OSF/1 >= 5.
+ # Guess yes on OSF/1 >= 5.
osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
osf*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on NetBSD >= 3.
+ # Guess yes on NetBSD >= 3.
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_snprintf_directive_n="guessing no";;
netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl Guess yes on BeOS.
+ # Guess yes on BeOS.
beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
- dnl If we don't know, assume the worst.
+ # If we don't know, assume the worst.
*) gl_cv_func_snprintf_directive_n="guessing no";;
esac
changequote([,])dnl
dnl 1 2 3 4 5 6 7 8
dnl glibc 2.5 . . . . . . . .
dnl glibc 2.3.6 . # . . . . . .
-dnl FreeBSD 5.4, 6.1 . . . . . . . .
+dnl FreeBSD 5.4, 6.1 . ? . . . . . .
dnl MacOS X 10.3.9 . # . . . . . .
-dnl OpenBSD 3.9 . # . . . . . ?
+dnl OpenBSD 3.9, 4.0 . # . . . . . ?
dnl Cygwin 2007 . # . . . . . ?
dnl Cygwin 2006 # # . . . . . ?
dnl Solaris 10 . # . . . . . .
dnl IRIX 6.5 # # . . . . # .
dnl OSF/1 5.1 # # . . . . # .
dnl OSF/1 4.0d # # . . # # # #
-dnl NetBSD 4.0 . . . . . . . ?
+dnl NetBSD 4.0 . ? . . . . . ?
dnl NetBSD 3.0 . # . # . . . .
dnl BeOS # # . # . . . .
dnl mingw # # . # . # # #
projects / gnulib.git / blobdiff