diff options
Diffstat (limited to 'xbmc/screensavers/rsxs-0.9/m4/eoverflow.m4')
-rw-r--r-- | xbmc/screensavers/rsxs-0.9/m4/eoverflow.m4 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/xbmc/screensavers/rsxs-0.9/m4/eoverflow.m4 b/xbmc/screensavers/rsxs-0.9/m4/eoverflow.m4 new file mode 100644 index 0000000000..8c28ca3056 --- /dev/null +++ b/xbmc/screensavers/rsxs-0.9/m4/eoverflow.m4 @@ -0,0 +1,64 @@ +# eoverflow.m4 serial 1 +dnl Copyright (C) 2004 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. + +dnl From Bruno Haible. + +# The EOVERFLOW errno value ought to be defined in <errno.h>, according to +# POSIX. But some systems (like AIX 3) don't define it, and some systems +# (like OSF/1) define it when _XOPEN_SOURCE_EXTENDED is defined. + +# Define EOVERFLOW as a C macro and as a substituted macro in such a way that +# 1. on all systems, after inclusion of <errno.h>, EOVERFLOW is usable, +# 2. on systems where EOVERFLOW is defined elsewhere, we use the same numeric +# value. + +AC_DEFUN([gl_EOVERFLOW], +[ + AC_REQUIRE([AC_PROG_CC])dnl + + AC_CACHE_CHECK([for EOVERFLOW], ac_cv_decl_EOVERFLOW, [ + AC_EGREP_CPP(yes,[ +#include <errno.h> +#ifdef EOVERFLOW +yes +#endif + ], have_eoverflow=1) + if test -n "$have_eoverflow"; then + dnl EOVERFLOW exists in <errno.h>. Don't need to define EOVERFLOW ourselves. + ac_cv_decl_EOVERFLOW=yes + else + AC_EGREP_CPP(yes,[ +#define _XOPEN_SOURCE_EXTENDED 1 +#include <errno.h> +#ifdef EOVERFLOW +yes +#endif + ], have_eoverflow=1) + if test -n "$have_eoverflow"; then + dnl EOVERFLOW exists but is hidden. + dnl Define it to the same value. + _AC_COMPUTE_INT([EOVERFLOW], ac_cv_decl_EOVERFLOW, [ +#define _XOPEN_SOURCE_EXTENDED 1 +#include <errno.h> +/* The following two lines are a workaround against an autoconf-2.52 bug. */ +#include <stdio.h> +#include <stdlib.h> +]) + else + dnl EOVERFLOW isn't defined by the system. Define EOVERFLOW ourselves, but + dnl don't define it as EINVAL, because snprintf() callers want to + dnl distinguish EINVAL and EOVERFLOW. + ac_cv_decl_EOVERFLOW=E2BIG + fi + fi + ]) + if test "$ac_cv_decl_EOVERFLOW" != yes; then + AC_DEFINE_UNQUOTED([EOVERFLOW], [$ac_cv_decl_EOVERFLOW], + [Define as good substitute value for EOVERFLOW.]) + EOVERFLOW="$ac_cv_decl_EOVERFLOW" + AC_SUBST(EOVERFLOW) + fi +]) |