dnl -*- Autoconf -*- fragment for the C++ daemon. AC_MSG_CHECKING([whether to build daemon]) AC_MSG_RESULT([$guix_build_daemon]) dnl C++ environment. This macro must be used unconditionnaly. AC_PROG_CXX if test "x$guix_build_daemon" = "xyes"; then AC_PROG_RANLIB AC_CONFIG_HEADER([nix/config.h]) dnl Decompressors, for use by the substituter. AC_PATH_PROG([GZIP], [gzip]) AC_PATH_PROG([BZIP2], [bzip2]) AC_PATH_PROG([XZ], [xz]) AC_SUBST([GZIP]) AC_SUBST([BZIP2]) AC_SUBST([XZ]) 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 tr1/unordered_set]) if test "x$ac_cv_func_chroot" != "xyes"; then AC_MSG_ERROR(['chroot' function missing, bailing out]) fi dnl lutimes and lchown: used when canonicalizing store items. dnl posix_fallocate: used when extracting archives. dnl vfork: to speed up spawning of helper programs. dnl `--> now disabled because of unpredictable behavior: dnl see <http://lists.gnu.org/archive/html/guix-devel/2014-05/msg00036.html> dnl and Nix commit f794465c (Nov. 2012). dnl sched_setaffinity: to improve RPC locality. dnl statvfs: to detect disk-full conditions. dnl strsignal: for error reporting. AC_CHECK_FUNCS([lutimes lchown posix_fallocate sched_setaffinity \ statvfs nanosleep strsignal]) dnl Check whether the store optimiser can optimise symlinks. AC_MSG_CHECKING([whether it is possible to create a link to a symlink]) ln -s bla tmp_link if ln tmp_link tmp_link2 2> /dev/null; then AC_MSG_RESULT(yes) AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.]) else AC_MSG_RESULT(no) fi rm -f tmp_link tmp_link2 dnl Check for <locale>. AC_LANG_PUSH(C++) AC_CHECK_HEADERS([locale]) AC_LANG_POP(C++) dnl Check whether we have the `personality' syscall, which allows us dnl to do i686-linux builds on x86_64-linux machines. AC_CHECK_HEADERS([sys/personality.h]) dnl Check for <linux/fs.h> (for immutable file support). AC_CHECK_HEADERS([linux/fs.h]) dnl Check whether the 'offload' build hook can be built (uses dnl 'restore-file-set', which requires unbuffered custom binary input dnl ports from Guile >= 2.0.10.) GUIX_CHECK_UNBUFFERED_CBIP guix_build_daemon_offload="$ac_cv_guix_cbips_support_setvbuf" if test "x$guix_build_daemon_offload" = "xyes"; then AC_DEFINE([HAVE_DAEMON_OFFLOAD_HOOK], [1], [Define if the daemon's 'offload' build hook is being built.]) fi dnl Temporary directory used to store the daemon's data. AC_MSG_CHECKING([for unit test root]) GUIX_TEST_ROOT="`pwd`/test-tmp" AC_MSG_RESULT([$GUIX_TEST_ROOT]) AC_SUBST([GUIX_TEST_ROOT]) AC_CONFIG_FILES([nix/scripts/list-runtime-roots], [chmod +x nix/scripts/list-runtime-roots]) AC_CONFIG_FILES([nix/scripts/substitute-binary], [chmod +x nix/scripts/substitute-binary]) 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"])