X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/6f5a440ab65a2ec977db14ec69698068aed98935..d6c82d7b5f5b2adecc6dafe60f0f6c0bec663a8e:/src/OS/os.h-GNU

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index cc4da0e3b..44993163d 100644
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -17,4 +17,7 @@ typedef struct flock flock_t;
 
 /* Hurd-specific bits below */
 
+/* default is non-const */
+#define ICONV_ARG2_TYPE const char **
+
 /* End */