diff options
Diffstat (limited to 'src/cairoint.h')
| -rw-r--r-- | src/cairoint.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cairoint.h b/src/cairoint.h index 585f1771f..80132deef 100644 --- a/src/cairoint.h +++ b/src/cairoint.h @@ -149,7 +149,8 @@ #endif #ifndef CAIRO_MUTEX_DECLARE -# warning "No mutex declarations, assuming single-threaded code" +# error "No mutex declarations. Cairo will not work with multiple threads." \ + "(Remove this #error directive to acknowledge & accept this limitation)." # define CAIRO_MUTEX_DECLARE(name) # define CAIRO_MUTEX_DECLARE_GLOBAL(name) # define CAIRO_MUTEX_LOCK(name) |