diff options
Diffstat (limited to 'gl/m4/stdio_h.m4')
| -rw-r--r-- | gl/m4/stdio_h.m4 | 85 |
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])]) +]) |