substitute-binary: Implement `--substitute'.

[jackhill/guix/guix.git] / config-daemon.ac

diff --git a/config-daemon.ac b/config-daemon.ac
index 6420c86..7c51f2b 100644 (file)
--- a/config-daemon.ac
+++ b/config-daemon.ac
@@ -1,10 +1,5 @@
 dnl -*- Autoconf -*- fragment for the C++ daemon.
 
-AC_ARG_ENABLE([daemon],
-  [AS_HELP_STRING([--enable-daemon], [build the Nix daemon (C++)])],
-  [guix_build_daemon="$enableval"],
-  [guix_build_daemon="no"])
-
 AC_MSG_CHECKING([whether to build daemon])
 AC_MSG_RESULT([$guix_build_daemon])
 
@@ -16,6 +11,14 @@ 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
 
@@ -59,6 +62,48 @@ if test "x$guix_build_daemon" = "xyes"; then
 
   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])
+
+  dnl Check for lutimes, optionally used for changing the mtime of
+  dnl symlinks.
+  AC_CHECK_FUNCS([lutimes])
+
+  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 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
+                   nix/scripts/substitute-binary],
+    [chmod +x nix/scripts/list-runtime-roots nix/scripts/substitute-binary])
 fi
 
 AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"])