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path: root/external/db_drivers/liblmdb32/CMakeLists.txt
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Diffstat (limited to 'external/db_drivers/liblmdb32/CMakeLists.txt')
-rw-r--r--external/db_drivers/liblmdb32/CMakeLists.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/external/db_drivers/liblmdb32/CMakeLists.txt b/external/db_drivers/liblmdb32/CMakeLists.txt
index 62b800135..293da1039 100644
--- a/external/db_drivers/liblmdb32/CMakeLists.txt
+++ b/external/db_drivers/liblmdb32/CMakeLists.txt
@@ -26,6 +26,13 @@
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+if(FREEBSD)
+ set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DMDB_DSYNC=O_SYNC")
+endif()
+
+# pass the VL32 flag so that we actually invoke the VL32 extensions
+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DVL32")
+
set (lmdb_sources
mdb.c
midl.c)