diff options
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index c6debe20a..e699e30dc 100644 --- a/configure.ac +++ b/configure.ac @@ -50,7 +50,9 @@ BUILD_WITH_SHARED_BUILD_DIR AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <pthread.h>]], - [[pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;]])], + [[pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + (void) m; /* unused */ + ]])], [AC_DEFINE([HAVE_PTHREAD], [1], [Pthread mutexes available.]) HAVE_PTHREAD=1 ], |