1 dnl -*- Autoconf -*- fragment for the C++ daemon.
3 AC_MSG_CHECKING([whether to build daemon])
4 AC_MSG_RESULT([$guix_build_daemon])
6 dnl C++ environment. This macro must be used unconditionnaly.
10 if test "x$guix_build_daemon" = "xyes"; then
15 AC_CONFIG_HEADER([nix/config.h])
17 dnl Use 64-bit file system calls so that we can support files > 2 GiB.
20 dnl Look for libbz2, a required dependency.
21 AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true],
22 [AC_MSG_ERROR([Guix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])])
23 AC_CHECK_HEADERS([bzlib.h], [true],
24 [AC_MSG_ERROR([Guix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])])
26 dnl Look for SQLite, a required dependency.
27 PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19])
29 AC_DEFINE([NIX_VERSION], ["0.0.0"], [Fake Nix version number.])
30 AC_DEFINE_UNQUOTED([SYSTEM], ["$guix_system"],
31 [Guix host system type--i.e., platform and OS kernel tuple.])
33 case "$LIBGCRYPT_PREFIX" in
38 LIBGCRYPT_CFLAGS="-I$LIBGCRYPT_PREFIX/include"
42 case "$LIBGCRYPT_LIBDIR" in
44 LIBGCRYPT_LIBS="-lgcrypt"
47 LIBGCRYPT_LIBS="-L$LIBGCRYPT_LIBDIR -lgcrypt"
51 AC_SUBST([LIBGCRYPT_CFLAGS])
52 AC_SUBST([LIBGCRYPT_LIBS])
55 save_LDFLAGS="$LDFLAGS"
56 CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
57 LDFLAGS="$LDFLAGS $LIBGCRYPT_LDFLAGS"
60 AC_CHECK_LIB([gcrypt], [gcry_md_open], [:], [have_gcrypt=no])
61 AC_CHECK_HEADER([gcrypt.h], [:], [have_gcrypt=no])
62 if test "x$have_gcrypt" != "xyes"; then
63 AC_MSG_ERROR([GNU libgcrypt not found; please install it.])
67 LDFLAGS="$save_LDFLAGS"
70 AC_CHECK_FUNCS([chroot unshare])
71 AC_CHECK_HEADERS([sched.h sys/param.h sys/mount.h sys/syscall.h])
73 if test "x$ac_cv_func_chroot" != "xyes"; then
74 AC_MSG_ERROR(['chroot' function missing, bailing out])
77 dnl lutimes and lchown: used when canonicalizing store items.
78 dnl posix_fallocate: used when extracting archives.
79 dnl vfork: to speed up spawning of helper programs.
80 dnl `--> now disabled because of unpredictable behavior:
81 dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html>
82 dnl and Nix commit f794465c (Nov. 2012).
83 dnl sched_setaffinity: to improve RPC locality.
84 dnl statvfs: to detect disk-full conditions.
85 dnl strsignal: for error reporting.
86 AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \
87 statvfs nanosleep strsignal])
89 dnl Check whether the store optimiser can optimise symlinks.
90 AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
92 if ln tmp_link tmp_link2 2> /dev/null; then
94 AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
98 rm -f tmp_link tmp_link2
100 dnl Check for <locale>.
102 AC_CHECK_HEADERS([locale])
106 dnl Check whether we have the `personality' syscall, which allows us
107 dnl to do i686-linux builds on x86_64-linux machines.
108 AC_CHECK_HEADERS([sys/personality.h])
110 dnl Check for <linux/fs.h> (for immutable file support).
111 AC_CHECK_HEADERS([linux/fs.h])
113 dnl Check whether the 'offload' build hook can be built (uses
114 dnl 'restore-file-set', which requires unbuffered custom binary input
115 dnl ports from Guile >= 2.0.10.)
116 GUIX_CHECK_UNBUFFERED_CBIP
117 guix_build_daemon_offload="$ac_cv_guix_cbips_support_setvbuf"
119 if test "x$guix_build_daemon_offload" = "xyes"; then
120 AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
121 [Define if the daemon's 'offload' build hook is being built.])
124 dnl Temporary directory used to store the daemon's data.
125 GUIX_TEST_ROOT_DIRECTORY
126 GUIX_TEST_ROOT="$ac_cv_guix_test_root"
127 AC_SUBST([GUIX_TEST_ROOT])
129 AC_CONFIG_FILES([nix/scripts/list-runtime-roots],
130 [chmod +x nix/scripts/list-runtime-roots])
131 AC_CONFIG_FILES([nix/scripts/substitute],
132 [chmod +x nix/scripts/substitute])
133 AC_CONFIG_FILES([nix/scripts/guix-authenticate],
134 [chmod +x nix/scripts/guix-authenticate])
135 AC_CONFIG_FILES([nix/scripts/offload],
136 [chmod +x nix/scripts/offload])
139 AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"])
140 AM_CONDITIONAL([BUILD_DAEMON_OFFLOAD], \
141 [test "x$guix_build_daemon" = "xyes" \
142 && test "x$guix_build_daemon_offload" = "xyes"])