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-rw-r--r--nix/guix-register/guix-register.cc12
1 files changed, 12 insertions, 0 deletions
diff --git a/nix/guix-register/guix-register.cc b/nix/guix-register/guix-register.cc
index 324673f346..4aee4fde34 100644
--- a/nix/guix-register/guix-register.cc
+++ b/nix/guix-register/guix-register.cc
@@ -33,6 +33,7 @@
#include <cstdio>
#include <argp.h>
+#include <gcrypt.h>
using namespace nix;
@@ -168,6 +169,17 @@ register_validity (LocalStore *store, std::istream &input,
int
main (int argc, char *argv[])
{
+ /* Initialize libgcrypt, which is indirectly used. */
+ if (!gcry_check_version (GCRYPT_VERSION))
+ {
+ fprintf (stderr, "error: libgcrypt version mismatch\n");
+ exit (EXIT_FAILURE);
+ }
+
+ /* Tell Libgcrypt that initialization has completed, as per the Libgcrypt
+ 1.6.0 manual (although this does not appear to be strictly needed.) */
+ gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
+
/* Honor the environment variables, and initialize the settings. */
settings.processEnvironment ();