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authorJosselin Poiret <dev@jpoiret.xyz>2022-09-05 08:48:13 +0200
committerLudovic Courtès <ludo@gnu.org>2023-01-12 16:41:29 +0100
commitedfca3b7e5931b5b5a83112e2a9813b068be99c2 (patch)
tree98f105cff95a668f5ecab668964bbcf1138d4d02 /m4/printf-posix.m4
parentfe2a0c54ac7863a705da8f64fd548e4817b3fb72 (diff)
downloadguile-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.m445
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
+])