Adjust strtod detection to catch glibc 2.7 bug.

[gnulib.git] / m4 / vsnprintf.m4

diff --git a/m4/vsnprintf.m4 b/m4/vsnprintf.m4
index 9fc38f8..accc79f 100644 (file)
--- a/m4/vsnprintf.m4
+++ b/m4/vsnprintf.m4
@@ -19,6 +19,7 @@ AC_DEFUN([gl_FUNC_VSNPRINTF],
 
 AC_DEFUN([gl_REPLACE_VSNPRINTF],
 [
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
   AC_LIBOBJ([vsnprintf])
   if test $ac_cv_func_vsnprintf = yes; then
     REPLACE_VSNPRINTF=1