printf.m4: avoid autoconf's "Expanded Before Required" warning

[gnulib.git] / ChangeLog

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+2010-06-11  Jim Meyering  <meyering@redhat.com>
+
+       printf.m4: avoid autoconf's "Expanded Before Required" warning
+       * m4/printf.m4 (gl_SNPRINTF_RETVAL_C99): Define using AC_DEFUN_ONCE,
+       rather than AC_DEFUN, to avoid the classic "Expanded Before Required"
+       autoconf warning.
+
 2010-06-10  Ben Pfaff  <blp@cs.stanford.edu>
 
        Replacement header templates are now named with ".in", not "_".