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dnl -*- Autoconf -*- fragment for the C++ daemon.
AC_MSG_CHECKING([whether to build daemon])
AC_MSG_RESULT([$guix_build_daemon])
dnl C++ environment. This macro must be used unconditionnaly.
AC_PROG_CXX
AC_LANG([C++])
if test "x$guix_build_daemon" = "xyes"; then
GUIX_ASSERT_CXX11
AC_PROG_RANLIB
AC_CONFIG_HEADER([nix/config.h])
dnl Use 64-bit file system calls so that we can support files > 2 GiB.
AC_SYS_LARGEFILE
dnl Look for libbz2, a required dependency.
AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true],
[AC_MSG_ERROR([Guix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])])
AC_CHECK_HEADERS([bzlib.h], [true],
[AC_MSG_ERROR([Guix requires libbz2, which is part of bzip2. See http://www.bzip.org/.])])
dnl Look for SQLite, a required dependency.
PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= 3.6.19])
AC_DEFINE([NIX_VERSION], ["0.0.0"], [Fake Nix version number.])
AC_DEFINE_UNQUOTED([SYSTEM], ["$guix_system"],
[Guix host system type--i.e., platform and OS kernel tuple.])
case "$LIBGCRYPT_PREFIX" in
no)
LIBGCRYPT_CFLAGS=""
;;
*)
LIBGCRYPT_CFLAGS="-I$LIBGCRYPT_PREFIX/include"
;;
esac
case "$LIBGCRYPT_LIBDIR" in
no)
LIBGCRYPT_LIBS="-lgcrypt"
;;
*)
LIBGCRYPT_LIBS="-L$LIBGCRYPT_LIBDIR -lgcrypt"
;;
esac
AC_SUBST([LIBGCRYPT_CFLAGS])
AC_SUBST([LIBGCRYPT_LIBS])
save_CFLAGS="$CFLAGS"
save_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
LDFLAGS="$LDFLAGS $LIBGCRYPT_LDFLAGS"
have_gcrypt=yes
AC_CHECK_LIB([gcrypt], [gcry_md_open], [:], [have_gcrypt=no])
AC_CHECK_HEADER([gcrypt.h], [:], [have_gcrypt=no])
if test "x$have_gcrypt" != "xyes"; then
AC_MSG_ERROR([GNU libgcrypt not found; please install it.])
fi
CFLAGS="$save_CFLAGS"
LDFLAGS="$save_LDFLAGS"
dnl Chroot support.
AC_CHECK_FUNCS([chroot unshare])
AC_CHECK_HEADERS([sched.h sys/param.h sys/mount.h sys/syscall.h])
if test "x$ac_cv_func_chroot" != "xyes"; then
AC_MSG_ERROR(['chroot' function missing, bailing out])
fi
dnl lutimes and lchown: used when canonicalizing store items.
dnl posix_fallocate: used when extracting archives.
dnl vfork: to speed up spawning of helper programs.
dnl `--> now disabled because of unpredictable behavior:
dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html>
dnl and Nix commit f794465c (Nov. 2012).
dnl sched_setaffinity: to improve RPC locality.
dnl statvfs: to detect disk-full conditions.
dnl strsignal: for error reporting.
AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \
statvfs nanosleep strsignal])
dnl Check whether the store optimiser can optimise symlinks.
AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
ln -s bla tmp_link
if ln tmp_link tmp_link2 2> /dev/null; then
AC_MSG_RESULT(yes)
AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
else
AC_MSG_RESULT(no)
fi
rm -f tmp_link tmp_link2
dnl Check for <locale>.
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([locale])
AC_LANG_POP(C++)
dnl Check whether we have the `personality' syscall, which allows us
dnl to do i686-linux builds on x86_64-linux machines.
AC_CHECK_HEADERS([sys/personality.h])
dnl Check for <linux/fs.h> (for immutable file support).
AC_CHECK_HEADERS([linux/fs.h])
dnl Determine the appropriate default list of substitute URLs.
GUILE_MODULE_AVAILABLE([have_gnutls], [(gnutls)])
if test "x$have_gnutls" = "xyes"; then
guix_substitute_urls="https://mirror.hydra.gnu.org"
else
AC_MSG_WARN([GnuTLS is missing, substitutes will be downloaded in the clear])
guix_substitute_urls="http://mirror.hydra.gnu.org"
fi
AC_MSG_CHECKING([for default substitute URLs])
AC_MSG_RESULT([$guix_substitute_urls])
AC_DEFINE_UNQUOTED([GUIX_SUBSTITUTE_URLS], ["$guix_substitute_urls"],
[Default list of substitute URLs used by 'guix-daemon'.])
dnl Check whether the 'offload' build hook can be built (uses
dnl 'restore-file-set', which requires unbuffered custom binary input
dnl ports from Guile >= 2.0.10.)
GUIX_CHECK_UNBUFFERED_CBIP
guix_build_daemon_offload="$ac_cv_guix_cbips_support_setvbuf"
if test "x$guix_build_daemon_offload" = "xyes"; then
AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
[Define if the daemon's 'offload' build hook is being built.])
fi
dnl Temporary directory used to store the daemon's data.
GUIX_TEST_ROOT_DIRECTORY
GUIX_TEST_ROOT="$ac_cv_guix_test_root"
AC_SUBST([GUIX_TEST_ROOT])
GUIX_CHECK_LOCALSTATEDIR
AC_CONFIG_FILES([nix/scripts/list-runtime-roots],
[chmod +x nix/scripts/list-runtime-roots])
AC_CONFIG_FILES([nix/scripts/download],
[chmod +x nix/scripts/download])
AC_CONFIG_FILES([nix/scripts/substitute],
[chmod +x nix/scripts/substitute])
AC_CONFIG_FILES([nix/scripts/guix-authenticate],
[chmod +x nix/scripts/guix-authenticate])
AC_CONFIG_FILES([nix/scripts/offload],
[chmod +x nix/scripts/offload])
fi
AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"])
AM_CONDITIONAL([BUILD_DAEMON_OFFLOAD], \
[test "x$guix_build_daemon" = "xyes" \
&& test "x$guix_build_daemon_offload" = "xyes"])
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