diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 6693da44..7309d731 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -125,3 +125,19 @@ extern int getmntinfo (struct statfs **, int); [Defined as the filesystem stats type ('statvfs' or 'statfs')]) ]) +dnl Checks for PATH_MAX and defines it if not present +AC_DEFUN([PATH_MAX_DEFINED], + [AC_CACHE_CHECK([PATH_MAX defined], path_max_cv_defined, + [AC_EGREP_CPP(yes, [[ +#include <limits.h> +#if defined(PATH_MAX) +yes +#endif +]], + [path_max_cv_defined=yes], + [path_max_cv_defined=no])] + ) + if test $path_max_cv_defined = no; then + AC_DEFINE([PATH_MAX], 4096, [Define if PATH_MAX is undefined by limits.h.]) + fi +]) |