| 1 | # pathmax.m4 serial 10 |
| 2 | dnl Copyright (C) 2002-2003, 2005-2006, 2009-2014 Free Software Foundation, |
| 3 | dnl Inc. |
| 4 | dnl This file is free software; the Free Software Foundation |
| 5 | dnl gives unlimited permission to copy and/or distribute it, |
| 6 | dnl with or without modifications, as long as this notice is preserved. |
| 7 | |
| 8 | AC_DEFUN([gl_PATHMAX], |
| 9 | [ |
| 10 | dnl Prerequisites of lib/pathmax.h. |
| 11 | AC_CHECK_HEADERS_ONCE([sys/param.h]) |
| 12 | ]) |
| 13 | |
| 14 | # Expands to a piece of C program that defines PATH_MAX in the same way as |
| 15 | # "pathmax.h" will do. |
| 16 | AC_DEFUN([gl_PATHMAX_SNIPPET], [[ |
| 17 | /* Arrange to define PATH_MAX, like "pathmax.h" does. */ |
| 18 | #if HAVE_UNISTD_H |
| 19 | # include <unistd.h> |
| 20 | #endif |
| 21 | #include <limits.h> |
| 22 | #if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN |
| 23 | # include <sys/param.h> |
| 24 | #endif |
| 25 | #if !defined PATH_MAX && defined MAXPATHLEN |
| 26 | # define PATH_MAX MAXPATHLEN |
| 27 | #endif |
| 28 | #ifdef __hpux |
| 29 | # undef PATH_MAX |
| 30 | # define PATH_MAX 1024 |
| 31 | #endif |
| 32 | #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ |
| 33 | # undef PATH_MAX |
| 34 | # define PATH_MAX 260 |
| 35 | #endif |
| 36 | ]]) |
| 37 | |
| 38 | # Prerequisites of gl_PATHMAX_SNIPPET. |
| 39 | AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ], |
| 40 | [ |
| 41 | AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h]) |
| 42 | ]) |