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1dnl -*- Autoconf -*- fragment for the C++ daemon.
2
3AC_MSG_CHECKING([whether to build daemon])
4AC_MSG_RESULT([$guix_build_daemon])
5
6dnl C++ environment. This macro must be used unconditionnaly.
7AC_PROG_CXX
8AM_PROG_AR
9AC_LANG([C++])
10
11if test "x$guix_build_daemon" = "xyes"; then
12
13 GUIX_ASSERT_CXX11
14
15 AC_PROG_RANLIB
16 AC_CONFIG_HEADERS([nix/config.h])
17
18 dnl Use 64-bit file system calls so that we can support files > 2 GiB.
19 AC_SYS_LARGEFILE
20
21 dnl Look for zlib, a required dependency.
22 AC_CHECK_LIB([z], [gzdopen], [true],
23 [AC_MSG_ERROR([Guix requires zlib. See http://www.zlib.net/.])])
24 AC_CHECK_HEADERS([zlib.h], [true],
25 [AC_MSG_ERROR([Guix requires zlib. See http://www.zlib.net/.])])
26
27 dnl Look for libbz2, an optional dependency.
28 AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [HAVE_LIBBZ2=yes], [HAVE_LIBBZ2=no])
29 if test "x$HAVE_LIBBZ2" = xyes; then
30 AC_CHECK_HEADERS([bzlib.h])
31 HAVE_LIBBZ2="$ac_cv_header_bzlib_h"
32 fi
33
34 dnl Look for SQLite, a required dependency.
35 PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19])
36
37 AC_DEFINE_UNQUOTED([SYSTEM], ["$guix_system"],
38 [Guix host system type--i.e., platform and OS kernel tuple.])
39
40 case "$LIBGCRYPT_PREFIX" in
41 no)
42 LIBGCRYPT_CPPFLAGS=""
43 ;;
44 *)
45 LIBGCRYPT_CPPFLAGS="-I$LIBGCRYPT_PREFIX/include"
46 ;;
47 esac
48
49 case "$LIBGCRYPT_LIBDIR" in
50 no | "")
51 ;;
52 *)
53 LIBGCRYPT_LDFLAGS="-L$LIBGCRYPT_LIBDIR"
54 ;;
55 esac
56
57 LIBGCRYPT_LIBS="-lgcrypt"
58 AC_SUBST([LIBGCRYPT_CPPFLAGS])
59 AC_SUBST([LIBGCRYPT_LDFLAGS])
60 AC_SUBST([LIBGCRYPT_LIBS])
61
62 save_CPPFLAGS="$CPPFLAGS"
63 save_LDFLAGS="$LDFLAGS"
64 save_LIBS="$LIBS"
65 CPPFLAGS="$CPPFLAGS $LIBGCRYPT_CPPFLAGS"
66 LDFLAGS="$LDFLAGS $LIBGCRYPT_LDFLAGS"
67 LIBS="$LIBS $LIBGCRYPT_LIBS"
68
69 have_gcrypt=yes
70 AC_CHECK_LIB([gcrypt], [gcry_md_open], [:], [have_gcrypt=no])
71 AC_CHECK_HEADER([gcrypt.h], [:], [have_gcrypt=no])
72 if test "x$have_gcrypt" != "xyes"; then
73 AC_MSG_ERROR([GNU libgcrypt not found; please install it.])
74 fi
75 CPPFLAGS="$save_CPPFLAGS"
76 LDFLAGS="$save_LDFLAGS"
77 LIBS="$save_LIBS"
78
79 dnl Chroot support.
80 AC_CHECK_FUNCS([chroot unshare])
81 AC_CHECK_HEADERS([sched.h sys/param.h sys/mount.h sys/syscall.h \
82 linux/close_range.h sys/prctl.h])
83
84 if test "x$ac_cv_func_chroot" != "xyes"; then
85 AC_MSG_ERROR(['chroot' function missing, bailing out])
86 fi
87
88 dnl lutimes and lchown: used when canonicalizing store items.
89 dnl posix_fallocate: used when extracting archives.
90 dnl vfork: to speed up spawning of helper programs.
91 dnl `--> now disabled because of unpredictable behavior:
92 dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html>
93 dnl and Nix commit f794465c (Nov. 2012).
94 dnl sched_setaffinity: to improve RPC locality.
95 dnl statvfs: to detect disk-full conditions.
96 dnl strsignal: for error reporting.
97 dnl statx: fine-grain 'stat' call, new in glibc 2.28.
98 AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \
99 statvfs nanosleep strsignal statx close_range])
100
101 dnl Check for <locale>.
102 AC_LANG_PUSH(C++)
103 AC_CHECK_HEADERS([locale])
104 AC_LANG_POP(C++)
105
106
107 dnl Check whether we have the `personality' syscall, which allows us
108 dnl to do i686-linux builds on x86_64-linux machines.
109 AC_CHECK_HEADERS([sys/personality.h])
110
111 dnl Determine the appropriate default list of substitute URLs (GnuTLS
112 dnl is required so we can default to 'https'.)
113 GUIX_SUBSTITUTE_URLS="https://bordeaux.guix.gnu.org https://ci.guix.gnu.org"
114
115 AC_MSG_CHECKING([for default substitute URLs])
116 AC_MSG_RESULT([$GUIX_SUBSTITUTE_URLS])
117 AC_SUBST([GUIX_SUBSTITUTE_URLS])
118
119 AC_DEFINE_UNQUOTED([GUIX_SUBSTITUTE_URLS], ["$GUIX_SUBSTITUTE_URLS"],
120 [Default list of substitute URLs used by 'guix-daemon'.])
121
122 dnl Check for Guile-SSH, which is required by 'guix offload'.
123 GUIX_CHECK_GUILE_SSH
124
125 case "x$guix_cv_have_recent_guile_ssh" in
126 xyes)
127 guix_build_daemon_offload="yes"
128 AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
129 [Define if the daemon's 'offload' build hook is being built (requires Guile-SSH).])
130 ;;
131 *)
132 guix_build_daemon_offload="no"
133 ;;
134 esac
135
136 dnl Temporary directory used to store the daemon's data.
137 GUIX_TEST_ROOT_DIRECTORY
138 GUIX_TEST_ROOT="$ac_cv_guix_test_root"
139 AC_SUBST([GUIX_TEST_ROOT])
140
141 GUIX_CHECK_LOCALSTATEDIR
142
143 case "x$host_os" in
144 x*linux*)
145 AC_CHECK_PROG([have_slirp4netns], [slirp4netns], [yes])
146 if test "x$have_slirp4netns" != "xyes"
147 then
148 AC_MSG_WARN([Slirp4netns not found; fixed-output chroot builds won't work without it.])
149 fi
150 ;;
151 esac
152 AC_PATH_PROG([SLIRP4NETNS], [slirp4netns], [slirp4netns])
153 AC_DEFINE_UNQUOTED([SLIRP4NETNS], ["$SLIRP4NETNS"],
154 [Path to the slirp4netns program, if any.])
155
156 dnl needed for inspecting 64-bit system call arguments in seccomp's Berkeley
157 dnl Packet Filter VM, which only directly operates on 32-bit words.
158 AC_C_BIGENDIAN
159fi
160
161AM_CONDITIONAL([HAVE_LIBBZ2], [test "x$HAVE_LIBBZ2" = "xyes"])
162AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"])
163AM_CONDITIONAL([BUILD_DAEMON_OFFLOAD], \
164 [test "x$guix_build_daemon" = "xyes" \
165 && test "x$guix_build_daemon_offload" = "xyes"])