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dnl -*- Autoconf -*- fragment for the C++ daemon.
AC_MSG_CHECKING([whether to build daemon])
AC_MSG_RESULT([$guix_build_daemon])
dnl C++ environment. This macro must be used unconditionnaly.
AC_PROG_CXX
AM_PROG_AR
AC_LANG([C++])
if test "x$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 zlib, a required dependency.
AC_CHECK_LIB([z], [gzdopen], [true],
[AC_MSG_ERROR([Guix requires zlib. See http://www.zlib.net/.])])
AC_CHECK_HEADERS([zlib.h], [true],
[AC_MSG_ERROR([Guix requires zlib. See http://www.zlib.net/.])])
dnl Look for libbz2, an optional dependency.
AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [HAVE_LIBBZ2=yes], [HAVE_LIBBZ2=no])
if test "x$HAVE_LIBBZ2" = xyes; then
AC_CHECK_HEADERS([bzlib.h])
HAVE_LIBBZ2="$ac_cv_header_bzlib_h"
fi
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$ac_cv_func_chroot" != "xyes"; then
AC_MSG_ERROR(['chroot' function missing, bailing out])
fi
dnl lutimes and lchown: used when canonicalizing store items.
dnl posix_fallocate: used when extracting archives.
dnl vfork: to speed up spawning of helper programs.
dnl `--> now disabled because of unpredictable behavior:
dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html>
dnl and Nix commit f794465c (Nov. 2012).
dnl sched_setaffinity: to improve RPC locality.
dnl statvfs: to detect disk-full conditions.
dnl strsignal: for error reporting.
dnl statx: fine-grain 'stat' call, new in glibc 2.28.
AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \
statvfs nanosleep strsignal statx])
dnl Check whether the store optimiser can optimise symlinks.
AC_MSG_CHECKING([whether it is possible to create a link to a symlink])
ln -s bla tmp_link
if ln tmp_link tmp_link2 2> /dev/null; then
AC_MSG_RESULT(yes)
AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.])
else
AC_MSG_RESULT(no)
fi
rm -f tmp_link tmp_link2
dnl Check for <locale>.
AC_LANG_PUSH(C++)
AC_CHECK_HEADERS([locale])
AC_LANG_POP(C++)
dnl Check whether we have the `personality' syscall, which allows us
dnl to do i686-linux builds on x86_64-linux machines.
AC_CHECK_HEADERS([sys/personality.h])
dnl Determine the appropriate default list of substitute URLs (GnuTLS
dnl is required so we can default to 'https'.)
guix_substitute_urls="https://ci.guix.gnu.org"
AC_MSG_CHECKING([for default substitute URLs])
AC_MSG_RESULT([$guix_substitute_urls])
AC_DEFINE_UNQUOTED([GUIX_SUBSTITUTE_URLS], ["$guix_substitute_urls"],
[Default list of substitute URLs used by 'guix-daemon'.])
dnl Check for Guile-SSH, which is required by 'guix offload'.
GUIX_CHECK_GUILE_SSH
case "x$guix_cv_have_recent_guile_ssh" in
xyes)
guix_build_daemon_offload="yes"
AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1],
[Define if the daemon's 'offload' build hook is being built (requires Guile-SSH).])
;;
*)
guix_build_daemon_offload="no"
;;
esac
dnl Temporary directory used to store the daemon's data.
GUIX_TEST_ROOT_DIRECTORY
GUIX_TEST_ROOT="$ac_cv_guix_test_root"
AC_SUBST([GUIX_TEST_ROOT])
GUIX_CHECK_LOCALSTATEDIR
fi
AM_CONDITIONAL([HAVE_LIBBZ2], [test "x$HAVE_LIBBZ2" = "xyes"])
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"])