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# vasnprintf-posix.m4 serial 3
dnl Copyright (C) 2007 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_VASNPRINTF_POSIX],
[
AC_REQUIRE([gl_EOVERFLOW])
AC_REQUIRE([gl_PRINTF_SIZES_C99])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
AC_REQUIRE([gl_PRINTF_DIRECTIVE_N])
AC_REQUIRE([gl_PRINTF_POSITIONS])
gl_cv_func_vasnprintf_posix=no
AC_CHECK_FUNCS_ONCE([vasnprintf])
case "$gl_cv_func_printf_sizes_c99" in
*yes)
case "$gl_cv_func_printf_directive_a" in
*yes)
case "$gl_cv_func_printf_directive_n" in
*yes)
case "$gl_cv_func_printf_positions" in
*yes)
if test $ac_cv_func_vasnprintf = yes; then
# vasnprintf exists and is already POSIX compliant.
gl_cv_func_vasnprintf_posix=yes
fi
;;
esac
;;
esac
;;
esac
;;
esac
if test $gl_cv_func_vasnprintf_posix = no; then
gl_PREREQ_VASNPRINTF_DIRECTIVE_A
gl_REPLACE_VASNPRINTF
fi
])
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