1 dnl -*- Autoconf -*- fragment for the C++ daemon.
3 AC_MSG_CHECKING([whether to build daemon])
4 AC_MSG_RESULT([$guix_build_daemon])
6 dnl C++ environment. This macro must be used unconditionnaly.
11 if test "x$guix_build_daemon" = "xyes"; then
16 AC_CONFIG_HEADER([nix/config.h])
18 dnl Use 64-bit file system calls so that we can support files > 2 GiB.
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/.])])
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"
34 dnl Look for SQLite, a required dependency.
35 PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19])
37 AC_DEFINE([NIX_VERSION], ["0.0.0"], [Fake Nix version number.])
38 AC_DEFINE_UNQUOTED([SYSTEM], ["$guix_system"],
39 [Guix host system type--i.e., platform and OS kernel tuple.])
41 case "$LIBGCRYPT_PREFIX" in
46 LIBGCRYPT_CFLAGS="-I$LIBGCRYPT_PREFIX/include"
50 case "$LIBGCRYPT_LIBDIR" in
52 LIBGCRYPT_LIBS="-lgcrypt"
55 LIBGCRYPT_LIBS="-L$LIBGCRYPT_LIBDIR -lgcrypt"
59 AC_SUBST([LIBGCRYPT_CFLAGS])
60 AC_SUBST([LIBGCRYPT_LIBS])
63 save_LDFLAGS="$LDFLAGS"
64 CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
65 LDFLAGS="$LDFLAGS $LIBGCRYPT_LDFLAGS"
68 AC_CHECK_LIB([gcrypt], [gcry_md_open], [:], [have_gcrypt=no])
69 AC_CHECK_HEADER([gcrypt.h], [:], [have_gcrypt=no])
70 if test "x$have_gcrypt" != "xyes"; then
71 AC_MSG_ERROR([GNU libgcrypt not found; please install it.])
75 LDFLAGS="$save_LDFLAGS"
78 AC_CHECK_FUNCS([chroot unshare])
79 AC_CHECK_HEADERS([sched.h sys/param.h sys/mount.h sys/syscall.h])
81 if test "x$ac_cv_func_chroot" != "xyes"; then
82 AC_MSG_ERROR(['chroot' function missing, bailing out])
85 dnl lutimes and lchown: used when canonicalizing store items.
86 dnl posix_fallocate: used when extracting archives.
87 dnl vfork: to speed up spawning of helper programs.
88 dnl `--> now disabled because of unpredictable behavior:
89 dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html>
90 dnl and Nix commit f794465c (Nov. 2012).
91 dnl sched_setaffinity: to improve RPC locality.
92 dnl statvfs: to detect disk-full conditions.
93 dnl strsignal: for error reporting.
94 dnl statx: fine-grain 'stat' call, new in glibc 2.28.
95 AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \
96 statvfs nanosleep strsignal statx])
98 dnl Check whether the store optimiser can optimise symlinks.
99 AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
101 if ln tmp_link tmp_link2 2> /dev/null; then
103 AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
107 rm -f tmp_link tmp_link2
109 dnl Check for <locale>.
111 AC_CHECK_HEADERS([locale])
115 dnl Check whether we have the `personality' syscall, which allows us
116 dnl to do i686-linux builds on x86_64-linux machines.
117 AC_CHECK_HEADERS([sys/personality.h])
119 dnl Determine the appropriate default list of substitute URLs (GnuTLS
120 dnl is required so we can default to 'https'.)
121 guix_substitute_urls="https://ci.guix.gnu.org"
123 AC_MSG_CHECKING([for default substitute URLs])
124 AC_MSG_RESULT([$guix_substitute_urls])
126 AC_DEFINE_UNQUOTED([GUIX_SUBSTITUTE_URLS], ["$guix_substitute_urls"],
127 [Default list of substitute URLs used by 'guix-daemon'.])
129 dnl Check for Guile-SSH, which is required by 'guix offload'.
132 case "x$guix_cv_have_recent_guile_ssh" in
134 guix_build_daemon_offload="yes"
135 AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
136 [Define if the daemon's 'offload' build hook is being built (requires Guile-SSH).])
139 guix_build_daemon_offload="no"
143 dnl Temporary directory used to store the daemon's data.
144 GUIX_TEST_ROOT_DIRECTORY
145 GUIX_TEST_ROOT="$ac_cv_guix_test_root"
146 AC_SUBST([GUIX_TEST_ROOT])
148 GUIX_CHECK_LOCALSTATEDIR
151 AM_CONDITIONAL([HAVE_LIBBZ2], [test "x$HAVE_LIBBZ2" = "xyes"])
152 AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"])
153 AM_CONDITIONAL([BUILD_DAEMON_OFFLOAD], \
154 [test "x$guix_build_daemon" = "xyes" \
155 && test "x$guix_build_daemon_offload" = "xyes"])