X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstdio_h.m4;h=b9a69984f6d704a9a94bf0cd37fd3eddf27f1571;hb=606dd130bdce412935eca78598923720a7e346c4;hp=d53997f00a086f2331cf5a3bcc9775a5af2ca9ce;hpb=0c47a3bb3a69d0d77c423adc3b2ed1948d87cf16;p=gnulib.git

diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4
index d53997f00..b9a69984f 100644
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -1,4 +1,4 @@
-# stdio_h.m4 serial 3
+# stdio_h.m4 serial 7
 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,
@@ -7,9 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_STDIO_H],
 [
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
-  gl_ABSOLUTE_HEADER([stdio.h])
-  ABSOLUTE_STDIO_H=\"$gl_cv_absolute_stdio_h\"
-  AC_SUBST([ABSOLUTE_STDIO_H])
+  gl_CHECK_NEXT_HEADERS([stdio.h])
 ])
 
 AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
@@ -30,7 +28,13 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS],
   GNULIB_VSNPRINTF=0;      AC_SUBST([GNULIB_VSNPRINTF])
   GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
   GNULIB_VASPRINTF=0;      AC_SUBST([GNULIB_VASPRINTF])
+  GNULIB_FSEEK=0;          AC_SUBST([GNULIB_FSEEK])
+  GNULIB_FSEEKO=0;         AC_SUBST([GNULIB_FSEEKO])
+  GNULIB_FTELL=0;          AC_SUBST([GNULIB_FTELL])
+  GNULIB_FTELLO=0;         AC_SUBST([GNULIB_FTELLO])
   GNULIB_FFLUSH=0;         AC_SUBST([GNULIB_FFLUSH])
+  GNULIB_GETDELIM=0;       AC_SUBST([GNULIB_GETDELIM])
+  GNULIB_GETLINE=0;        AC_SUBST([GNULIB_GETLINE])
   dnl Assume proper GNU behavior unless another module says otherwise.
   REPLACE_FPRINTF=0;       AC_SUBST([REPLACE_FPRINTF])
   REPLACE_VFPRINTF=0;      AC_SUBST([REPLACE_VFPRINTF])
@@ -44,5 +48,35 @@ AC_DEFUN([gl_STDIO_H_DEFAULTS],
   REPLACE_VSPRINTF=0;      AC_SUBST([REPLACE_VSPRINTF])
   HAVE_VASPRINTF=1;        AC_SUBST([HAVE_VASPRINTF])
   REPLACE_VASPRINTF=0;     AC_SUBST([REPLACE_VASPRINTF])
+  HAVE_FSEEKO=1;           AC_SUBST([HAVE_FSEEKO])
+  REPLACE_FSEEKO=0;        AC_SUBST([REPLACE_FSEEKO])
+  REPLACE_FSEEK=0;         AC_SUBST([REPLACE_FSEEK])
+  HAVE_FTELLO=1;           AC_SUBST([HAVE_FTELLO])
+  REPLACE_FTELLO=0;        AC_SUBST([REPLACE_FTELLO])
+  REPLACE_FTELL=0;         AC_SUBST([REPLACE_FTELL])
   REPLACE_FFLUSH=0;        AC_SUBST([REPLACE_FFLUSH])
+  HAVE_DECL_GETDELIM=1;    AC_SUBST([HAVE_DECL_GETDELIM])
+  HAVE_DECL_GETLINE=1;     AC_SUBST([HAVE_DECL_GETLINE])
+  REPLACE_GETLINE=0;       AC_SUBST([REPLACE_GETLINE])
+])
+
+dnl Code shared by fseeko and ftello.  Determine if large files are supported,
+dnl but stdin does not start as a large file by default.
+AC_DEFUN([gl_STDIN_LARGE_OFFSET],
+  [
+    AC_CACHE_CHECK([whether stdin defaults to large file offsets],
+      [gl_cv_var_stdin_large_offset],
+      [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>],
+[#if defined __SL64 && defined __SCLE /* cygwin */
+  /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making
+     fseeko/ftello needlessly fail.  This bug was fixed at the same time
+     that cygwin started exporting asnprintf (cygwin 1.7.0), so we use
+     that as a link-time test for cross-compiles rather than building
+     a runtime test.  */
+  size_t s;
+  if (asnprintf (NULL, &s, ""))
+    return 0;
+#endif])],
+	[gl_cv_var_stdin_large_offset=yes],
+	[gl_cv_var_stdin_large_offset=no])])
 ])