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@@ -1,5 +1,5 @@ |
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dnl GNU Guix --- Functional package management for GNU |
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dnl Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org> |
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dnl Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
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dnl Copyright © 2014 Mark H Weaver <mhw@netris.org> |
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dnl |
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dnl This file is part of GNU Guix. |
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@@ -162,3 +162,59 @@ AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [ |
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ac_cv_guix_cbips_support_setvbuf=no |
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fi]) |
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]) |
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dnl GUIX_TEST_ROOT_DIRECTORY |
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AC_DEFUN([GUIX_TEST_ROOT_DIRECTORY], [ |
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AC_CACHE_CHECK([for unit test root directory], |
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[ac_cv_guix_test_root], |
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[ac_cv_guix_test_root="`pwd`/test-tmp"]) |
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]) |
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dnl 'BINPRM_BUF_SIZE' constant in Linux. The Hurd has a limit |
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dnl of about a page (see exec/hashexec.c.) |
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m4_define([LINUX_HASH_BANG_LIMIT], 128) |
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dnl Hardcoded 'sun_path' length in <sys/un.h>. |
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m4_define([SOCKET_FILE_NAME_LIMIT], 108) |
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dnl GUIX_SOCKET_FILE_NAME_LENGTH |
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AC_DEFUN([GUIX_SOCKET_FILE_NAME_LENGTH], [ |
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AC_CACHE_CHECK([the length of the installed socket file name], |
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[ac_cv_guix_socket_file_name_length], |
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[ac_cv_guix_socket_file_name_length="`echo -n "$guix_localstatedir/guix/daemon-socket/socket" | wc -c`"]) |
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]) |
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dnl GUIX_TEST_SOCKET_FILE_NAME_LENGTH |
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AC_DEFUN([GUIX_TEST_SOCKET_FILE_NAME_LENGTH], [ |
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AC_REQUIRE([GUIX_TEST_ROOT_DIRECTORY]) |
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AC_CACHE_CHECK([the length of the socket file name used in tests], |
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[ac_cv_guix_test_socket_file_name_length], |
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[ac_cv_guix_test_socket_file_name_length="`echo -n "$ac_cv_guix_test_root/var/123456/daemon-socket/socket" | wc -c`"]) |
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]) |
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dnl GUIX_HASH_BANG_LENGTH |
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AC_DEFUN([GUIX_HASH_BANG_LENGTH], [ |
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AC_CACHE_CHECK([the length of a typical hash bang line], |
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[ac_cv_guix_hash_bang_length], |
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[ac_cv_guix_hash_bang_length=`echo -n "$storedir/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bootstrap-binaries-0/bin/bash" | wc -c`]) |
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]) |
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dnl GUIX_CHECK_FILE_NAME_LIMITS |
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dnl |
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dnl GNU/Linux has a couple of silly limits that we can easily run into. |
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dnl Make sure everything is fine with the current settings. |
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AC_DEFUN([GUIX_CHECK_FILE_NAME_LIMITS], [ |
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AC_REQUIRE([GUIX_SOCKET_FILE_NAME_LENGTH]) |
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AC_REQUIRE([GUIX_TEST_SOCKET_FILE_NAME_LENGTH]) |
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AC_REQUIRE([GUIX_HASH_BANG_LENGTH]) |
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if test "$ac_cv_guix_socket_file_name_length" -ge ]SOCKET_FILE_NAME_LIMIT[; then |
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AC_MSG_ERROR([socket file name would exceed the maxium allowed length]) |
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fi |
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if test "$ac_cv_guix_test_socket_file_name_length" -ge ]SOCKET_FILE_NAME_LIMIT[; then |
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AC_MSG_WARN([socket file name limit may be exceeded when running tests]) |
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fi |
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if test "$ac_cv_guix_hash_bang_length" -ge ]LINUX_HASH_BANG_LIMIT[; then |
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AC_MSG_ERROR([store directory '$storedir' would lead to overly long hash-bang lines]) |
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fi |
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]) |