diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/fpending.m4 | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/m4/fpending.m4 b/m4/fpending.m4 index 8f58562431..c8d9e8b7ba 100644 --- a/m4/fpending.m4 +++ b/m4/fpending.m4 @@ -1,4 +1,4 @@ -# serial 19 +# serial 20 # Copyright (C) 2000-2001, 2004-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -16,14 +16,19 @@ dnl we have to grub around in the FILE struct. AC_DEFUN([gl_FUNC_FPENDING], [ AC_CHECK_HEADERS_ONCE([stdio_ext.h]) - AC_CHECK_FUNCS_ONCE([__fpending]) - fp_headers=' -# include <stdio.h> -# if HAVE_STDIO_EXT_H -# include <stdio_ext.h> -# endif -' - AC_CHECK_DECLS([__fpending], , , $fp_headers) + AC_CACHE_CHECK([for __fpending], [gl_cv_func___fpending], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include <stdio.h> + #if HAVE_STDIO_EXT_H + # include <stdio_ext.h> + #endif + ]], + [[return ! __fpending (stdin);]])], + [gl_cv_func___fpending=yes], + [gl_cv_func___fpending=no]) + ]) ]) AC_DEFUN([gl_PREREQ_FPENDING], |