| # pathmax.m4 serial 10 |
| dnl Copyright (C) 2002-2003, 2005-2006, 2009-2016 Free Software Foundation, |
| dnl 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_PATHMAX], |
| [ |
| dnl Prerequisites of lib/pathmax.h. |
| AC_CHECK_HEADERS_ONCE([sys/param.h]) |
| ]) |
| |
| # Expands to a piece of C program that defines PATH_MAX in the same way as |
| # "pathmax.h" will do. |
| AC_DEFUN([gl_PATHMAX_SNIPPET], [[ |
| /* Arrange to define PATH_MAX, like "pathmax.h" does. */ |
| #if HAVE_UNISTD_H |
| # include <unistd.h> |
| #endif |
| #include <limits.h> |
| #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN |
| # include <sys/param.h> |
| #endif |
| #if !defined PATH_MAX && defined MAXPATHLEN |
| # define PATH_MAX MAXPATHLEN |
| #endif |
| #ifdef __hpux |
| # undef PATH_MAX |
| # define PATH_MAX 1024 |
| #endif |
| #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
| # undef PATH_MAX |
| # define PATH_MAX 260 |
| #endif |
| ]]) |
| |
| # Prerequisites of gl_PATHMAX_SNIPPET. |
| AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ], |
| [ |
| AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h]) |
| ]) |