Adding upstream version 1.21.4.upstream/1.21.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4
new file mode 100644
index 0000000..f3acbee
--- /dev/null
+++ b/m4/stpcpy.m4
@@ -0,0 +1,28 @@
+# stpcpy.m4 serial 11
+dnl Copyright (C) 2002, 2007, 2009-2023 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.
+
+AC_DEFUN([gl_FUNC_STPCPY],
+[
+  dnl Persuade glibc <string.h> to declare stpcpy().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  dnl The stpcpy() declaration in lib/string.in.h uses 'restrict'.
+  AC_REQUIRE([AC_C_RESTRICT])
+
+  AC_REQUIRE([gl_STRING_H_DEFAULTS])
+  gl_CHECK_FUNCS_ANDROID([stpcpy], [[#include <string.h>]])
+  if test $ac_cv_func_stpcpy = no; then
+    HAVE_STPCPY=0
+    case "$gl_cv_onwards_func_stpcpy" in
+      future*) REPLACE_STPCPY=1 ;;
+    esac
+  fi
+])
+
+# Prerequisites of lib/stpcpy.c.
+AC_DEFUN([gl_PREREQ_STPCPY], [
+  :
+])