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-rw-r--r--config-daemon.ac14
1 files changed, 14 insertions, 0 deletions
diff --git a/config-daemon.ac b/config-daemon.ac
index c74ec94d31..63174d62c7 100644
--- a/config-daemon.ac
+++ b/config-daemon.ac
@@ -110,6 +110,20 @@ if test "x$guix_build_daemon" = "xyes"; then
dnl Check for <linux/fs.h> (for immutable file support).
AC_CHECK_HEADERS([linux/fs.h])
+ dnl Determine the appropriate default list of substitute URLs.
+ GUILE_MODULE_AVAILABLE([have_gnutls], [(gnutls)])
+ if test "x$have_gnutls" = "xyes"; then
+ guix_substitute_urls="https://mirror.hydra.gnu.org https://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 http://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.)