+AC_DEFUN([gl_REPLACE_VASPRINTF],
+[
+ AC_LIBOBJ([vasprintf])
+ AC_LIBOBJ([asprintf])
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ if test $ac_cv_func_vasprintf = yes; then
+ REPLACE_VASPRINTF=1
+ else
+ HAVE_VASPRINTF=0
+ fi
+ gl_PREREQ_VASPRINTF_H
+ gl_PREREQ_VASPRINTF
+ gl_PREREQ_ASPRINTF
+])
+
+# Prerequisites of the vasprintf portion of lib/stdio.h.
+AC_DEFUN([gl_PREREQ_VASPRINTF_H],
+[
+ dnl Persuade glibc <stdio.h> to declare asprintf() and vasprintf().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+])
+