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Diffstat (limited to 'gnulib-m4/printf.m4')
-rw-r--r--gnulib-m4/printf.m4319
1 files changed, 208 insertions, 111 deletions
diff --git a/gnulib-m4/printf.m4 b/gnulib-m4/printf.m4
index 82f48bf..667452e 100644
--- a/gnulib-m4/printf.m4
+++ b/gnulib-m4/printf.m4
@@ -1,5 +1,5 @@
-# printf.m4 serial 58
-dnl Copyright (C) 2003, 2007-2018 Free Software Foundation, Inc.
+# printf.m4 serial 73
+dnl Copyright (C) 2003, 2007-2022 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -62,9 +62,12 @@ int main ()
changequote(,)dnl
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_printf_sizes_c99="guessing yes";;
# 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";;
+ midnightbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";;
darwin*) gl_cv_func_printf_sizes_c99="guessing yes";;
@@ -79,6 +82,8 @@ changequote(,)dnl
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";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_printf_sizes_c99="guessing yes";;
changequote([,])dnl
# Guess yes on MSVC, no on mingw.
mingw*) AC_EGREP_CPP([Known], [
@@ -89,8 +94,8 @@ changequote([,])dnl
[gl_cv_func_printf_sizes_c99="guessing yes"],
[gl_cv_func_printf_sizes_c99="guessing no"])
;;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_sizes_c99="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_sizes_c99="$gl_cross_guess_normal";;
esac
])
])
@@ -132,17 +137,20 @@ int main ()
[gl_cv_func_printf_long_double=yes],
[gl_cv_func_printf_long_double=no],
[case "$host_os" in
- beos*) gl_cv_func_printf_long_double="guessing no";;
- # Guess yes on MSVC, no on mingw.
- mingw*) AC_EGREP_CPP([Known], [
+ # Guess no on BeOS.
+ beos*) gl_cv_func_printf_long_double="guessing no";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_printf_long_double="guessing yes";;
+ # Guess yes on MSVC, no on mingw.
+ mingw*) AC_EGREP_CPP([Known], [
#ifdef _MSC_VER
Known
#endif
- ],
- [gl_cv_func_printf_long_double="guessing yes"],
- [gl_cv_func_printf_long_double="guessing no"])
- ;;
- *) gl_cv_func_printf_long_double="guessing yes";;
+ ],
+ [gl_cv_func_printf_long_double="guessing yes"],
+ [gl_cv_func_printf_long_double="guessing no"])
+ ;;
+ *) gl_cv_func_printf_long_double="guessing yes";;
esac
])
])
@@ -235,9 +243,12 @@ int main ()
changequote(,)dnl
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_printf_infinite="guessing yes";;
# Guess yes on FreeBSD >= 6.
freebsd[1-5].*) gl_cv_func_printf_infinite="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
+ midnightbsd*) gl_cv_func_printf_infinite="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";;
darwin*) gl_cv_func_printf_infinite="guessing yes";;
@@ -248,8 +259,13 @@ changequote(,)dnl
netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
gl_cv_func_printf_infinite="guessing no";;
netbsd*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on OpenBSD >= 6.0.
+ openbsd[1-5].*) gl_cv_func_printf_infinite="guessing no";;
+ openbsd*) gl_cv_func_printf_infinite="guessing yes";;
# Guess yes on BeOS.
beos*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_infinite="guessing no";;
changequote([,])dnl
# Guess yes on MSVC, no on mingw.
mingw*) AC_EGREP_CPP([Known], [
@@ -260,8 +276,8 @@ changequote([,])dnl
[gl_cv_func_printf_infinite="guessing yes"],
[gl_cv_func_printf_infinite="guessing no"])
;;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_infinite="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_infinite="$gl_cross_guess_normal";;
esac
])
])
@@ -450,12 +466,20 @@ int main ()
changequote(,)dnl
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_printf_infinite_long_double="guessing yes";;
# Guess yes on FreeBSD >= 6.
freebsd[1-5].*) gl_cv_func_printf_infinite_long_double="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ midnightbsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
# Guess yes on HP-UX >= 11.
hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on OpenBSD >= 6.0.
+ openbsd[1-5].*) gl_cv_func_printf_infinite_long_double="guessing no";;
+ openbsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_infinite_long_double="guessing no";;
changequote([,])dnl
# Guess yes on MSVC, no on mingw.
mingw*) AC_EGREP_CPP([Known], [
@@ -466,8 +490,8 @@ changequote([,])dnl
[gl_cv_func_printf_infinite_long_double="guessing yes"],
[gl_cv_func_printf_infinite_long_double="guessing no"])
;;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_infinite_long_double="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_infinite_long_double="$gl_cross_guess_normal";;
esac
;;
esac
@@ -513,7 +537,7 @@ int main ()
&& strcmp (buf, "-0X6.488P-1 33") != 0
&& strcmp (buf, "-0XC.91P-2 33") != 0))
result |= 2;
- /* This catches a FreeBSD 6.1 bug: it doesn't round. */
+ /* This catches a FreeBSD 13.0 bug: it doesn't round. */
if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
|| (strcmp (buf, "0x1.83p+0 33") != 0
&& strcmp (buf, "0x3.05p-1 33") != 0
@@ -566,10 +590,14 @@ int main ()
[gl_cv_func_printf_directive_a="guessing yes"],
[gl_cv_func_printf_directive_a="guessing no"])
;;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_printf_directive_a="guessing yes";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_directive_a="guessing no";;
# Guess no on native Windows.
mingw*) gl_cv_func_printf_directive_a="guessing no";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_directive_a="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_directive_a="$gl_cross_guess_normal";;
esac
])
])
@@ -614,15 +642,23 @@ int main ()
changequote(,)dnl
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_printf_directive_f="guessing yes";;
# Guess yes on FreeBSD >= 6.
freebsd[1-5].*) gl_cv_func_printf_directive_f="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
+ midnightbsd*) gl_cv_func_printf_directive_f="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";;
darwin*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on OpenBSD >= 6.0.
+ openbsd[1-5].*) gl_cv_func_printf_directive_f="guessing no";;
+ openbsd*) gl_cv_func_printf_directive_f="guessing yes";;
# Guess yes on Solaris >= 2.10.
solaris2.[1-9][0-9]*) gl_cv_func_printf_directive_f="guessing yes";;
solaris*) gl_cv_func_printf_directive_f="guessing no";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_directive_f="guessing no";;
changequote([,])dnl
# Guess yes on MSVC, no on mingw.
mingw*) AC_EGREP_CPP([Known], [
@@ -633,8 +669,8 @@ changequote([,])dnl
[gl_cv_func_printf_directive_f="guessing yes"],
[gl_cv_func_printf_directive_f="guessing no"])
;;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_directive_f="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_directive_f="$gl_cross_guess_normal";;
esac
])
])
@@ -657,7 +693,10 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_N],
#include <stdlib.h>
#include <string.h>
#ifdef _MSC_VER
-/* See page about "Parameter Validation" on msdn.microsoft.com. */
+#include <inttypes.h>
+/* See page about "Parameter Validation" on msdn.microsoft.com.
+ <https://docs.microsoft.com/en-us/cpp/c-runtime-library/parameter-validation>
+ <https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/set-invalid-parameter-handler-set-thread-local-invalid-parameter-handler> */
static void cdecl
invalid_parameter_handler (const wchar_t *expression,
const wchar_t *function,
@@ -688,9 +727,21 @@ int main ()
[gl_cv_func_printf_directive_n=yes],
[gl_cv_func_printf_directive_n=no],
[case "$host_os" in
- # Guess no on native Windows.
- mingw*) gl_cv_func_printf_directive_n="guessing no";;
- *) gl_cv_func_printf_directive_n="guessing yes";;
+ # Guess no on glibc when _FORTIFY_SOURCE >= 2.
+ *-gnu* | gnu*) AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE(
+ [[#if _FORTIFY_SOURCE >= 2
+ error fail
+ #endif
+ ]])],
+ [gl_cv_func_printf_directive_n="guessing yes"],
+ [gl_cv_func_printf_directive_n="guessing no"])
+ ;;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_directive_n="guessing no";;
+ # Guess no on native Windows.
+ mingw*) gl_cv_func_printf_directive_n="guessing no";;
+ *) gl_cv_func_printf_directive_n="guessing yes";;
esac
])
])
@@ -712,13 +763,7 @@ AC_DEFUN([gl_PRINTF_DIRECTIVE_LS],
[
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
- <wchar.h>.
- BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
- included before <wchar.h>. */
-#include <stddef.h>
#include <stdio.h>
-#include <time.h>
#include <wchar.h>
#include <string.h>
int main ()
@@ -766,14 +811,18 @@ int main ()
[
changequote(,)dnl
case "$host_os" in
- openbsd*) gl_cv_func_printf_directive_ls="guessing no";;
- irix*) gl_cv_func_printf_directive_ls="guessing no";;
- solaris*) gl_cv_func_printf_directive_ls="guessing no";;
- cygwin*) gl_cv_func_printf_directive_ls="guessing no";;
- beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";;
- # Guess yes on native Windows.
- mingw*) gl_cv_func_printf_directive_ls="guessing yes";;
- *) gl_cv_func_printf_directive_ls="guessing yes";;
+ # Guess yes on OpenBSD >= 6.0.
+ openbsd[1-5].*) gl_cv_func_printf_directive_ls="guessing no";;
+ openbsd*) gl_cv_func_printf_directive_ls="guessing yes";;
+ irix*) gl_cv_func_printf_directive_ls="guessing no";;
+ solaris*) gl_cv_func_printf_directive_ls="guessing no";;
+ cygwin*) gl_cv_func_printf_directive_ls="guessing no";;
+ beos* | haiku*) gl_cv_func_printf_directive_ls="guessing no";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_directive_ls="guessing no";;
+ # Guess yes on native Windows.
+ mingw*) gl_cv_func_printf_directive_ls="guessing yes";;
+ *) gl_cv_func_printf_directive_ls="guessing yes";;
esac
changequote([,])dnl
])
@@ -810,11 +859,13 @@ int main ()
changequote(,)dnl
case "$host_os" in
netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
- gl_cv_func_printf_positions="guessing no";;
- beos*) gl_cv_func_printf_positions="guessing no";;
- # Guess no on native Windows.
- mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
- *) gl_cv_func_printf_positions="guessing yes";;
+ gl_cv_func_printf_positions="guessing no";;
+ beos*) gl_cv_func_printf_positions="guessing no";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_printf_positions="guessing yes";;
+ # Guess no on native Windows.
+ mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
+ *) gl_cv_func_printf_positions="guessing yes";;
esac
changequote([,])dnl
])
@@ -849,11 +900,13 @@ int main ()
[
changequote(,)dnl
case "$host_os" in
- cygwin*) gl_cv_func_printf_flag_grouping="guessing no";;
- netbsd*) gl_cv_func_printf_flag_grouping="guessing no";;
- # Guess no on native Windows.
- mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
- *) gl_cv_func_printf_flag_grouping="guessing yes";;
+ cygwin*) gl_cv_func_printf_flag_grouping="guessing no";;
+ netbsd*) gl_cv_func_printf_flag_grouping="guessing no";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_flag_grouping="guessing no";;
+ # Guess no on native Windows.
+ mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
+ *) gl_cv_func_printf_flag_grouping="guessing yes";;
esac
changequote([,])dnl
])
@@ -890,14 +943,16 @@ int main ()
[
changequote(,)dnl
case "$host_os" in
- # Guess yes on HP-UX 11.
- hpux11*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
- # Guess no on HP-UX 10 and older.
- hpux*) gl_cv_func_printf_flag_leftadjust="guessing no";;
- # Guess yes on native Windows.
- mingw*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
- # Guess yes otherwise.
- *) gl_cv_func_printf_flag_leftadjust="guessing yes";;
+ # Guess yes on HP-UX 11.
+ hpux11*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
+ # Guess no on HP-UX 10 and older.
+ hpux*) gl_cv_func_printf_flag_leftadjust="guessing no";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
+ # Guess yes on native Windows.
+ mingw*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
+ # Guess yes otherwise.
+ *) gl_cv_func_printf_flag_leftadjust="guessing yes";;
esac
changequote([,])dnl
])
@@ -935,14 +990,18 @@ int main ()
[
changequote(,)dnl
case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_printf_flag_zero="guessing yes";;
- # Guess no on native Windows.
- mingw*) gl_cv_func_printf_flag_zero="guessing no";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_flag_zero="guessing no";;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_flag_zero="guessing no";;
+ # Guess no on native Windows.
+ mingw*) gl_cv_func_printf_flag_zero="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_flag_zero="$gl_cross_guess_normal";;
esac
changequote([,])dnl
])
@@ -995,10 +1054,12 @@ int main ()
changequote(,)dnl
case "$host_os" in
# Guess no only on Solaris, native Windows, and BeOS systems.
- solaris*) gl_cv_func_printf_precision="guessing no" ;;
- mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
- beos*) gl_cv_func_printf_precision="guessing no" ;;
- *) gl_cv_func_printf_precision="guessing yes" ;;
+ solaris*) gl_cv_func_printf_precision="guessing no" ;;
+ mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
+ beos*) gl_cv_func_printf_precision="guessing no" ;;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_printf_precision="guessing yes" ;;
+ *) gl_cv_func_printf_precision="guessing yes" ;;
esac
changequote([,])dnl
])
@@ -1020,9 +1081,8 @@ AC_DEFUN([gl_PRINTF_ENOMEM],
gl_cv_func_printf_enomem="guessing no"
if test "$cross_compiling" = no; then
if test $APPLE_UNIVERSAL_BUILD = 0; then
- AC_LANG_CONFTEST([AC_LANG_SOURCE([
+ AC_LANG_CONFTEST([AC_LANG_SOURCE([[
]GL_NOCRASH[
-changequote(,)dnl
#include <stdio.h>
#include <sys/types.h>
#include <sys/time.h>
@@ -1067,8 +1127,7 @@ int main()
ret = printf ("%.5000000f", 1.0);
return !(ret == 5000002 || (ret < 0 && errno == ENOMEM));
}
-changequote([,])dnl
- ])])
+ ]])])
if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
(./conftest 2>&AS_MESSAGE_LOG_FD
result=$?
@@ -1095,28 +1154,30 @@ changequote([,])dnl
if test "$gl_cv_func_printf_enomem" = "guessing no"; then
changequote(,)dnl
case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_printf_enomem="guessing yes";;
- # Guess yes on Solaris.
- solaris*) gl_cv_func_printf_enomem="guessing yes";;
- # Guess yes on AIX.
- aix*) gl_cv_func_printf_enomem="guessing yes";;
- # Guess yes on HP-UX/hppa.
- hpux*) case "$host_cpu" in
- hppa*) gl_cv_func_printf_enomem="guessing yes";;
- *) gl_cv_func_printf_enomem="guessing no";;
- esac
- ;;
- # Guess yes on IRIX.
- irix*) gl_cv_func_printf_enomem="guessing yes";;
- # Guess yes on OSF/1.
- osf*) gl_cv_func_printf_enomem="guessing yes";;
- # Guess yes on BeOS.
- beos*) gl_cv_func_printf_enomem="guessing yes";;
- # Guess yes on Haiku.
- haiku*) gl_cv_func_printf_enomem="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_printf_enomem="guessing no";;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on Solaris.
+ solaris*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on AIX.
+ aix*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on HP-UX/hppa.
+ hpux*) case "$host_cpu" in
+ hppa*) gl_cv_func_printf_enomem="guessing yes";;
+ *) gl_cv_func_printf_enomem="guessing no";;
+ esac
+ ;;
+ # Guess yes on IRIX.
+ irix*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on OSF/1.
+ osf*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on Haiku.
+ haiku*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_printf_enomem="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_printf_enomem="$gl_cross_guess_normal";;
esac
changequote([,])dnl
fi
@@ -1135,7 +1196,7 @@ dnl Test whether the string produced by the snprintf function is always NUL
dnl terminated. (ISO C99, POSIX:2001)
dnl Result is gl_cv_func_snprintf_truncation_c99.
-AC_DEFUN([gl_SNPRINTF_TRUNCATION_C99],
+AC_DEFUN_ONCE([gl_SNPRINTF_TRUNCATION_C99],
[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
@@ -1177,9 +1238,12 @@ changequote(,)dnl
case "$host_os" in
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess yes on FreeBSD >= 5.
freebsd[1-4].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ midnightbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
@@ -1208,10 +1272,12 @@ changequote(,)dnl
netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess yes on BeOS.
beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
# Guess no on native Windows.
mingw*) gl_cv_func_snprintf_truncation_c99="guessing no";;
- # If we don't know, assume the worst.
- *) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_snprintf_truncation_c99="$gl_cross_guess_normal";;
esac
changequote([,])dnl
])
@@ -1277,9 +1343,12 @@ int main ()
changequote(,)dnl
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_snprintf_retval_c99="guessing yes";;
# 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";;
+ midnightbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
@@ -1299,6 +1368,8 @@ changequote(,)dnl
netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
# Guess yes on BeOS.
beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_snprintf_retval_c99="guessing yes";;
changequote([,])dnl
# Guess yes on MSVC, no on mingw.
mingw*) AC_EGREP_CPP([Known], [
@@ -1309,8 +1380,8 @@ changequote([,])dnl
[gl_cv_func_snprintf_retval_c99="guessing yes"],
[gl_cv_func_snprintf_retval_c99="guessing no"])
;;
- # If we don't know, assume the worst.
- *) gl_cv_func_snprintf_retval_c99="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_snprintf_retval_c99="$gl_cross_guess_normal";;
esac
])
])
@@ -1363,13 +1434,24 @@ int main ()
[gl_cv_func_snprintf_directive_n=yes],
[gl_cv_func_snprintf_directive_n=no],
[
-changequote(,)dnl
case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess no on glibc when _FORTIFY_SOURCE >= 2.
+ *-gnu* | gnu*) AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE(
+ [[#if _FORTIFY_SOURCE >= 2
+ error fail
+ #endif
+ ]])],
+ [gl_cv_func_snprintf_directive_n="guessing yes"],
+ [gl_cv_func_snprintf_directive_n="guessing no"])
+ ;;
+changequote(,)dnl
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_snprintf_directive_n="guessing yes";;
# 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";;
+ midnightbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";;
darwin*) gl_cv_func_snprintf_directive_n="guessing yes";;
@@ -1391,12 +1473,14 @@ changequote(,)dnl
netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
# Guess yes on BeOS.
beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess no on Android.
+ linux*-android*) gl_cv_func_snprintf_directive_n="guessing no";;
# Guess no on native Windows.
mingw*) gl_cv_func_snprintf_directive_n="guessing no";;
- # If we don't know, assume the worst.
- *) gl_cv_func_snprintf_directive_n="guessing no";;
- esac
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_snprintf_directive_n="$gl_cross_guess_normal";;
changequote([,])dnl
+ esac
])
])
])
@@ -1440,9 +1524,11 @@ int main()
[gl_cv_func_snprintf_size1=yes],
[gl_cv_func_snprintf_size1=no],
[case "$host_os" in
- # Guess yes on native Windows.
- mingw*) gl_cv_func_snprintf_size1="guessing yes" ;;
- *) gl_cv_func_snprintf_size1="guessing yes" ;;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_snprintf_size1="guessing yes" ;;
+ # Guess yes on native Windows.
+ mingw*) gl_cv_func_snprintf_size1="guessing yes" ;;
+ *) gl_cv_func_snprintf_size1="guessing yes" ;;
esac
])
])
@@ -1517,9 +1603,12 @@ changequote(,)dnl
case "$host_os" in
# Guess yes on glibc systems.
*-gnu* | gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on musl systems.
+ *-musl*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on FreeBSD >= 5.
freebsd[1-4].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ midnightbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on Mac OS X >= 10.3.
darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
@@ -1540,10 +1629,12 @@ changequote(,)dnl
netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on BeOS.
beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on Android.
+ linux*-android*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
# Guess yes on native Windows.
mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
- # If we don't know, assume the worst.
- *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_vsnprintf_zerosize_c99="$gl_cross_guess_normal";;
esac
changequote([,])dnl
])
@@ -1599,13 +1690,17 @@ dnl
dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
dnl glibc 2.5 . . . . . . . . . . . . . . . . . . . .
dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . . .
+dnl FreeBSD 13.0 . . . . # . . . . . . . . # . . . . . .
dnl FreeBSD 5.4, 6.1 . . . . # . . . . . . # . # . . . . . .
+dnl Mac OS X 10.13.5 . . . # # . # . . . . . . . . . . # . .
dnl Mac OS X 10.5.8 . . . # # . . . . . . # . . . . . . . .
dnl Mac OS X 10.3.9 . . . . # . . . . . . # . # . . . . . .
+dnl OpenBSD 6.0, 6.7 . . . . # . . . . . . . . # . . . . . .
dnl OpenBSD 3.9, 4.0 . . # # # # . # . # . # . # . . . . . .
dnl Cygwin 1.7.0 (2009) . . . # . . . ? . . . . . ? . . . . . .
dnl Cygwin 1.5.25 (2008) . . . # # . . # . . . . . # . . . . . .
dnl Cygwin 1.5.19 (2006) # . . # # # . # . # . # # # . . . . . .
+dnl Solaris 11.4 . . # # # . . # . . . # . . . . . . . .
dnl Solaris 11.3 . . . . # . . # . . . . . . . . . . . .
dnl Solaris 11.0 . . # # # . . # . . . # . . . . . . . .
dnl Solaris 10 . . # # # . . # . . . # # . . . . . . .
@@ -1620,11 +1715,13 @@ dnl HP-UX 10.20 # . # . # # . ? . . # # . . .
dnl IRIX 6.5 # . # # # # . # . . . # . . . . # . . .
dnl OSF/1 5.1 # . # # # # . . . . . # . . . . # . . #
dnl OSF/1 4.0d # . # # # # . . . . . # . . # # # # # #
+dnl NetBSD 9.0 . . . . # . . . . . . . . . . . . . . .
dnl NetBSD 5.0 . . . # # . . . . . . # . # . . . . . .
dnl NetBSD 4.0 . ? ? ? ? ? . ? . ? ? ? ? ? . . . ? ? ?
dnl NetBSD 3.0 . . . . # # . ? # # ? # . # . . . . . .
dnl Haiku . . . # # # . # . . . . . ? . . ? . . .
dnl BeOS # # . # # # . ? # . ? . # ? . . ? . . .
+dnl Android 4.3 . . # # # # # # . # . # . # . . . # . .
dnl old mingw / msvcrt # # # # # # . . # # . # # ? . # # # . .
dnl MSVC 9 # # # # # # # . # # . # # ? # # # # . .
dnl mingw 2009-2011 . # . # . . . . # # . . . ? . . . . . .