PATH_MAX is not POSIX and can be missing on some systems, notably Windows (which
provides MAX_PATH instead tough) and Hurd. Let's define it to a sane value where
missing, i.e. the one it's defined to in limits.h. Except on Windows where
we're limited to 260.
Fixes https://github.com/xkbcommon/libxkbcommon/issues/180
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
endif
have_getopt_long = cc.has_header_symbol('getopt.h', 'getopt_long',
prefix: '#define _GNU_SOURCE')
+if not cc.has_header_symbol('limits.h', 'PATH_MAX', prefix: system_ext_define)
+ if host_machine.system() == 'windows'
+ # see https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#maximum-path-length-limitation
+ configh_data.set('PATH_MAX', 260)
+ else
+ configh_data.set('PATH_MAX', 4096)
+ endif
+endif
# Silence some security & deprecation warnings on MSVC
# for some unix/C functions we use.
#ifdef _MSC_VER
#include <io.h>
#include <windows.h>
-#ifndef PATH_MAX
-#define PATH_MAX MAX_PATH
-#endif
#else
#include <unistd.h>
#include <termios.h>