~ruther/guix-local: build: Use 127 as the Linux hash-bang limit.

93ce8a8e0060dedbe97581c1a6e365336d5b4969 — Ludovic Courtès 10 years ago 98f2339

build: Use 127 as the Linux hash-bang limit.

Reported by taylanbayirli@gmail.com (Taylan Ulrich Bayırlı/Kammer).

* m4/guix.m4 (LINUX_HASH_BANG_LIMIT): Set to 127.

patch browse .tar.gz

1 files changed, 3 insertions(+), 3 deletions(-)

M m4/guix.m4

M m4/guix.m4 => m4/guix.m4 +3 -3

@@ 175,9 175,9 @@ AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [
     [ac_cv_guix_test_root="`pwd`/test-tmp"])
 ])
 
-dnl 'BINPRM_BUF_SIZE' constant in Linux.  The Hurd has a limit
-dnl of about a page (see exec/hashexec.c.)
-m4_define([LINUX_HASH_BANG_LIMIT], 128)
+dnl 'BINPRM_BUF_SIZE' constant in Linux (we leave room for the trailing zero.)
+dnl The Hurd has a limit of about a page (see exec/hashexec.c.)
+m4_define([LINUX_HASH_BANG_LIMIT], 127)
 
 dnl Hardcoded 'sun_path' length in <sys/un.h>.
 m4_define([SOCKET_FILE_NAME_LIMIT], 108)