1 files changed, 85 insertions, 0 deletions

diff --git a/gl/m4/stdio_h.m4 b/gl/m4/stdio_h.m4
new file mode 100644
index 00000000..a40d4180
--- /dev/null
+++ b/gl/m4/stdio_h.m4
@@ -0,0 +1,85 @@
+# stdio_h.m4 serial 9
+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,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_STDIO_H],
+[
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  gl_CHECK_NEXT_HEADERS([stdio.h])
+])
+
+AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
+[
+  dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_STDIO_H_DEFAULTS],
+[
+  GNULIB_FPRINTF_POSIX=0;  AC_SUBST([GNULIB_FPRINTF_POSIX])
+  GNULIB_PRINTF_POSIX=0;   AC_SUBST([GNULIB_PRINTF_POSIX])
+  GNULIB_SNPRINTF=0;       AC_SUBST([GNULIB_SNPRINTF])
+  GNULIB_SPRINTF_POSIX=0;  AC_SUBST([GNULIB_SPRINTF_POSIX])
+  GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
+  GNULIB_VPRINTF_POSIX=0;  AC_SUBST([GNULIB_VPRINTF_POSIX])
+  GNULIB_VSNPRINTF=0;      AC_SUBST([GNULIB_VSNPRINTF])
+  GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
+  GNULIB_VASPRINTF=0;      AC_SUBST([GNULIB_VASPRINTF])
+  GNULIB_FOPEN=0;          AC_SUBST([GNULIB_FOPEN])
+  GNULIB_FREOPEN=0;        AC_SUBST([GNULIB_FREOPEN])
+  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])
+  REPLACE_PRINTF=0;        AC_SUBST([REPLACE_PRINTF])
+  REPLACE_VPRINTF=0;       AC_SUBST([REPLACE_VPRINTF])
+  REPLACE_SNPRINTF=0;      AC_SUBST([REPLACE_SNPRINTF])
+  HAVE_DECL_SNPRINTF=1;    AC_SUBST([HAVE_DECL_SNPRINTF])
+  REPLACE_VSNPRINTF=0;     AC_SUBST([REPLACE_VSNPRINTF])
+  HAVE_DECL_VSNPRINTF=1;   AC_SUBST([HAVE_DECL_VSNPRINTF])
+  REPLACE_SPRINTF=0;       AC_SUBST([REPLACE_SPRINTF])
+  REPLACE_VSPRINTF=0;      AC_SUBST([REPLACE_VSPRINTF])
+  HAVE_VASPRINTF=1;        AC_SUBST([HAVE_VASPRINTF])
+  REPLACE_VASPRINTF=0;     AC_SUBST([REPLACE_VASPRINTF])
+  REPLACE_FOPEN=0;         AC_SUBST([REPLACE_FOPEN])
+  REPLACE_FREOPEN=0;       AC_SUBST([REPLACE_FREOPEN])
+  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 in 1.5.25, and
+     it is easier to do a version check than building a runtime test.  */
+# include <cygwin/version.h>
+# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)
+  choke me
+# endif
+#endif])],
+        [gl_cv_var_stdin_large_offset=yes],
+        [gl_cv_var_stdin_large_offset=no])])
+])