diff options
author | Josselin Poiret <dev@jpoiret.xyz> | 2022-09-05 08:48:13 +0200 |
---|---|---|
committer | Ludovic Courtès <ludo@gnu.org> | 2023-01-12 16:41:29 +0100 |
commit | edfca3b7e5931b5b5a83112e2a9813b068be99c2 (patch) | |
tree | 98f105cff95a668f5ecab668964bbcf1138d4d02 /m4/printf-posix.m4 | |
parent | fe2a0c54ac7863a705da8f64fd548e4817b3fb72 (diff) | |
download | guile-edfca3b7e5931b5b5a83112e2a9813b068be99c2.tar.gz |
Update gnulib to 0.1.5414-8204d and add posix_spawn, posix_spawnp.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'm4/printf-posix.m4')
-rw-r--r-- | m4/printf-posix.m4 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/m4/printf-posix.m4 b/m4/printf-posix.m4 new file mode 100644 index 000000000..1eacf95ac --- /dev/null +++ b/m4/printf-posix.m4 @@ -0,0 +1,45 @@ +# printf-posix.m4 serial 5 (gettext-0.18) +dnl Copyright (C) 2003, 2007, 2009-2010 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. + +dnl From Bruno Haible. +dnl Test whether the printf() function supports POSIX/XSI format strings with +dnl positions. + +AC_DEFUN([gt_PRINTF_POSIX], +[ + AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings], + gt_cv_func_printf_posix, + [ + AC_TRY_RUN([ +#include <stdio.h> +#include <string.h> +/* The string "%2$d %1$d", with dollar characters protected from the shell's + dollar expansion (possibly an autoconf bug). */ +static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' }; +static char buf[100]; +int main () +{ + sprintf (buf, format, 33, 55); + return (strcmp (buf, "55 33") != 0); +}], gt_cv_func_printf_posix=yes, gt_cv_func_printf_posix=no, + [ + AC_EGREP_CPP([notposix], [ +#if defined __NetBSD__ || defined __BEOS__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__ + notposix +#endif + ], + [gt_cv_func_printf_posix="guessing no"], + [gt_cv_func_printf_posix="guessing yes"]) + ]) + ]) + case $gt_cv_func_printf_posix in + *yes) + AC_DEFINE([HAVE_POSIX_PRINTF], [1], + [Define if your printf() function supports format strings with positions.]) + ;; + esac +]) |