X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffdopendir.m4;h=f192a62830ad71004b805431ee5ce3af56864614;hb=0fd07686f8cf0e1f3e025f3598090d938dbf4e80;hp=7ce0b5a5f53fa143c11170a8e218c60d17b92c96;hpb=d599e5add275f75ed08e6527b8ee4d3f4f7c3aea;p=gnulib.git diff --git a/m4/fdopendir.m4 b/m4/fdopendir.m4 index 7ce0b5a5f..f192a6283 100644 --- a/m4/fdopendir.m4 +++ b/m4/fdopendir.m4 @@ -1,4 +1,4 @@ -# serial 4 +# serial 5 # See if we need to provide fdopendir. dnl Copyright (C) 2009-2011 Free Software Foundation, Inc. @@ -27,12 +27,16 @@ AC_DEFUN([gl_FUNC_FDOPENDIR], [AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include #include +#include #if !HAVE_DECL_FDOPENDIR extern DIR *fdopendir (int); #endif -]], [int fd = open ("conftest.c", O_RDONLY); - if (fd < 0) return 2; - return !!fdopendir (fd);])], +]], [int result = 0; + int fd = open ("conftest.c", O_RDONLY); + if (fd < 0) result |= 1; + if (fdopendir (fd)) result |= 2; + if (close (fd)) result |= 4; + return result;])], [gl_cv_func_fdopendir_works=yes], [gl_cv_func_fdopendir_works=no], [gl_cv_func_fdopendir_works="guessing no"])])