])
])
-dnl Test whether the *printf family of functions supports infinite 'double'
-dnl arguments in the %f, %e, %g directives. (ISO C99, POSIX:2001)
-dnl Result is gl_cv_func_printf_infinite.
+dnl Test whether the *printf family of functions supports 'long double'
+dnl arguments together with the 'L' size specifier. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_long_double.
-AC_DEFUN([gl_PRINTF_INFINITE],
+AC_DEFUN([gl_PRINTF_LONG_DOUBLE],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
- AC_CACHE_CHECK([whether printf supports infinite 'double' arguments],
- [gl_cv_func_printf_infinite],
+ AC_CACHE_CHECK([whether printf supports 'long double' arguments],
+ [gl_cv_func_printf_long_double],
[
AC_TRY_RUN([
#include <stdio.h>
static char buf[100];
int main ()
{
- if (sprintf (buf, "%f", 1.0 / 0.0) < 0
- || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%f", -1.0 / 0.0) < 0
- || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
- return 1;
- if (sprintf (buf, "%e", 1.0 / 0.0) < 0
- || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
- return 1;
- if (sprintf (buf, "%e", -1.0 / 0.0) < 0
- || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ buf[0] = '\0';
+ if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
+ || strcmp (buf, "1.750000 33") != 0)
return 1;
- if (sprintf (buf, "%g", 1.0 / 0.0) < 0
- || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ buf[0] = '\0';
+ if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
+ || strcmp (buf, "1.750000e+00 33") != 0)
return 1;
- if (sprintf (buf, "%g", -1.0 / 0.0) < 0
- || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ buf[0] = '\0';
+ if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
+ || strcmp (buf, "1.75 33") != 0)
return 1;
return 0;
-}], [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no],
+}], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no],
[
changequote(,)dnl
case "$host_os" in
- mingw* | pw*) gl_cv_func_printf_infinite="guessing no";;
- *) gl_cv_func_printf_infinite="guessing yes";;
+ beos*) gl_cv_func_printf_long_double="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
+ *) gl_cv_func_printf_long_double="guessing yes";;
esac
changequote([,])dnl
])
])
])
-dnl Test whether the *printf family of functions supports 'long double'
-dnl arguments together with the 'L' size specifier. (ISO C99, POSIX:2001)
-dnl Result is gl_cv_func_printf_long_double.
+dnl Test whether the *printf family of functions supports infinite 'double'
+dnl arguments in the %f, %e, %g directives. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_infinite.
-AC_DEFUN([gl_PRINTF_LONG_DOUBLE],
+AC_DEFUN([gl_PRINTF_INFINITE],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
- AC_CACHE_CHECK([whether printf supports 'long double' arguments],
- [gl_cv_func_printf_long_double],
+ AC_CACHE_CHECK([whether printf supports infinite 'double' arguments],
+ [gl_cv_func_printf_infinite],
[
AC_TRY_RUN([
#include <stdio.h>
static char buf[100];
int main ()
{
- buf[0] = '\0';
- if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
- || strcmp (buf, "1.750000 33") != 0)
+ if (sprintf (buf, "%f", 1.0 / 0.0) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
return 1;
- buf[0] = '\0';
- if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
- || strcmp (buf, "1.750000e+00 33") != 0)
+ if (sprintf (buf, "%f", -1.0 / 0.0) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
return 1;
- buf[0] = '\0';
- if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
- || strcmp (buf, "1.75 33") != 0)
+ if (sprintf (buf, "%e", 1.0 / 0.0) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%e", -1.0 / 0.0) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%g", 1.0 / 0.0) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%g", -1.0 / 0.0) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
return 1;
return 0;
-}], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no],
+}], [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no],
[
changequote(,)dnl
case "$host_os" in
- beos*) gl_cv_func_printf_long_double="guessing no";;
- mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
- *) gl_cv_func_printf_long_double="guessing yes";;
+ mingw* | pw*) gl_cv_func_printf_infinite="guessing no";;
+ *) gl_cv_func_printf_infinite="guessing yes";;
esac
changequote([,])dnl
])
dnl The results of these tests on various platforms are:
dnl
dnl 1 = gl_PRINTF_SIZES_C99
-dnl 2 = gl_PRINTF_INFINITE
-dnl 3 = gl_PRINTF_LONG_DOUBLE
+dnl 2 = gl_PRINTF_LONG_DOUBLE
+dnl 3 = gl_PRINTF_INFINITE
dnl 4 = gl_PRINTF_DIRECTIVE_A
dnl 5 = gl_PRINTF_DIRECTIVE_F
dnl 6 = gl_PRINTF_DIRECTIVE_N
dnl 14 = gl_VSNPRINTF_ZEROSIZE_C99
dnl
dnl 1 = checking whether printf supports size specifiers as in C99...
-dnl 2 = checking whether printf supports infinite 'double' arguments...
-dnl 3 = checking whether printf supports 'long double' arguments...
+dnl 2 = checking whether printf supports 'long double' arguments...
+dnl 3 = checking whether printf supports infinite 'double' arguments...
dnl 4 = checking whether printf supports the 'a' and 'A' directives...
dnl 5 = checking whether printf supports the 'F' directive...
dnl 6 = checking whether printf supports the 'n' directive...
dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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, 4.0 . ? ? # ? . . ? ? . . . ? ?
dnl Cygwin 2007 (= Cygwin 1.5.24) . ? ? # # . . . # . . . . .
dnl Cygwin 2006 (= Cygwin 1.5.19) # ? ? # # . . # # . . . . .
-dnl Solaris 10 . ? . # . . . . # . . . . .
-dnl Solaris 2.6 ... 9 # ? . # # . . . # . . . . .
-dnl Solaris 2.5.1 # # . # # . . . # # # # # #
-dnl AIX 5.2 . ? . # . . . . # . . . . .
-dnl AIX 4.3.2, 5.1 # # . # # . . . # . . . . .
+dnl Solaris 10 . . ? # . . . . # . . . . .
+dnl Solaris 2.6 ... 9 # . ? # # . . . # . . . . .
+dnl Solaris 2.5.1 # . # # # . . . # # # # # #
+dnl AIX 5.2 . . ? # . . . . # . . . . .
+dnl AIX 4.3.2, 5.1 # . # # # . . . # . . . . .
dnl HP-UX 11.31 . . . # . . . . # . . # # .
dnl HP-UX 10.20, 11.{00,11,23} # . . # # . . . # . . # # #
dnl IRIX 6.5 # . . # # . . . # . . # . .
-dnl OSF/1 5.1 # ? . # # . . . # . . # . #
-dnl OSF/1 4.0d # # . # # . . . # # # # # #
+dnl OSF/1 5.1 # . ? # # . . . # . . # . #
+dnl OSF/1 4.0d # . # # # . . . # # # # # #
dnl NetBSD 4.0 . ? ? ? ? . . ? ? . . . ? ?
dnl NetBSD 3.0 . ? ? # # . # # # . . . . .
-dnl BeOS # ? # # # . # . . . . . . .
+dnl BeOS # # ? # # . # . . . . . . .
dnl mingw # # # # # . # # # . # # # .