-# fseeko.m4 serial 11
-dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
+# fseeko.m4 serial 17
+dnl Copyright (C) 2007-2014 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_FSEEKO],
[
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
- AC_REQUIRE([gl_HAVE_FSEEKO])
AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
-
- AC_CHECK_DECLS_ONCE([fseeko])
- if test $ac_cv_have_decl_fseeko = no; then
- HAVE_DECL_FSEEKO=0
- fi
-
- if test $gl_cv_func_fseeko = no; then
- HAVE_FSEEKO=0
- gl_REPLACE_FSEEKO
- else
- if test $gl_cv_var_stdin_large_offset = no; then
- gl_REPLACE_FSEEKO
- fi
- fi
-])
-
-dnl Tests whether fseeko is available.
-dnl Result is gl_cv_func_fseeko.
-AC_DEFUN([gl_HAVE_FSEEKO],
-[
+ AC_REQUIRE([gl_SYS_TYPES_H])
AC_REQUIRE([AC_PROG_CC])
dnl Persuade glibc <stdio.h> to declare fseeko().
]], [fseeko (stdin, 0, 0);])],
[gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
])
-])
-AC_DEFUN([gl_REPLACE_FSEEKO],
-[
- AC_REQUIRE([gl_STDIO_H_DEFAULTS])
- AC_REQUIRE([gl_HAVE_FSEEKO])
- if test $gl_cv_func_fseeko = yes; then
- REPLACE_FSEEKO=1
+ AC_CHECK_DECLS_ONCE([fseeko])
+ if test $ac_cv_have_decl_fseeko = no; then
+ HAVE_DECL_FSEEKO=0
+ fi
+
+ if test $gl_cv_func_fseeko = no; then
+ HAVE_FSEEKO=0
+ else
+ if test $WINDOWS_64_BIT_OFF_T = 1; then
+ REPLACE_FSEEKO=1
+ fi
+ if test $gl_cv_var_stdin_large_offset = no; then
+ REPLACE_FSEEKO=1
+ fi
+ m4_ifdef([gl_FUNC_FFLUSH_STDIN], [
+ gl_FUNC_FFLUSH_STDIN
+ if test $gl_cv_func_fflush_stdin != yes; then
+ REPLACE_FSEEKO=1
+ fi
+ ])
fi
- AC_LIBOBJ([fseeko])
- dnl If we are also using the fseek module, then fseek needs replacing, too.
- m4_ifdef([gl_REPLACE_FSEEK], [gl_REPLACE_FSEEK])
])
dnl Code shared by fseeko and ftello. Determine if large files are supported,
[gl_cv_var_stdin_large_offset=yes],
[gl_cv_var_stdin_large_offset=no])])
])
+
+# Prerequisites of lib/fseeko.c.
+AC_DEFUN([gl_PREREQ_FSEEKO],
+[
+ dnl Native Windows has the function _fseeki64. mingw hides it, but mingw64
+ dnl makes it usable again.
+ AC_CHECK_FUNCS([_fseeki64])
+])