Bug 563382 - Define PATH_MAX if not available

This fixes the build on Hurd.  If anyone ever actually uses Hurd with
filenames longer than 4096, they can open a new bug.

diff --git a/giscanner/grealpath.h b/giscanner/grealpath.h
index 82d482a..f5af7cb 100644 (file)
--- a/giscanner/grealpath.h
+++ b/giscanner/grealpath.h
@@ -13,6 +13,9 @@ static inline gchar*
 g_realpath (const char *path)
 {
 #ifndef _WIN32
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
        char buffer [PATH_MAX];
        if (realpath(path, buffer))
                return g_strdup(buffer);