forked from enlightenment/efl
34 lines
852 B
Plaintext
34 lines
852 B
Plaintext
|
dnl Check for PATH_MAX in limits.h, and define a default value if not found
|
||
|
dnl This is a workaround for systems not providing PATH_MAX, like GNU/Hurd
|
||
|
|
||
|
dnl EFL_CHECK_PATH_MAX([DEFAULT_VALUE_IF_NOT_FOUND])
|
||
|
dnl
|
||
|
dnl If PATH_MAX is not defined in <limits.h>, defines it
|
||
|
dnl to DEFAULT_VALUE_IF_NOT_FOUND if it exists, or fallback
|
||
|
dnl to using 4096
|
||
|
|
||
|
AC_DEFUN([EFL_CHECK_PATH_MAX],
|
||
|
[
|
||
|
|
||
|
default_max=m4_default([$1], "4096")
|
||
|
AC_LANG_PUSH([C])
|
||
|
|
||
|
AC_MSG_CHECKING([for PATH_MAX in limit.h])
|
||
|
AC_COMPILE_IFELSE(
|
||
|
[AC_LANG_PROGRAM([[#include <limits.h>]],
|
||
|
[[int i = PATH_MAX]])
|
||
|
],
|
||
|
AC_MSG_RESULT([yes]),
|
||
|
[
|
||
|
AC_DEFINE_UNQUOTED([PATH_MAX],
|
||
|
[${default_max}],
|
||
|
[default value since PATH_MAX is not defined])
|
||
|
AC_MSG_RESULT([no: using ${default_max}])
|
||
|
]
|
||
|
)
|
||
|
|
||
|
AC_LANG_POP([C])
|
||
|
|
||
|
])
|
||
|
dnl end of efl_path_max.m4
|