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Diffstat (limited to 'external/db_drivers/CMakeLists.txt')
-rw-r--r--external/db_drivers/CMakeLists.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/external/db_drivers/CMakeLists.txt b/external/db_drivers/CMakeLists.txt
index 04776c475..a9b29e0d7 100644
--- a/external/db_drivers/CMakeLists.txt
+++ b/external/db_drivers/CMakeLists.txt
@@ -34,4 +34,6 @@ set(LMDB_INCLUDE "${CMAKE_CURRENT_SOURCE_DIR}/liblmdb" CACHE STRING "LMDB Includ
set(LMDB_LIBRARY "lmdb" CACHE STRING "LMDB Library name")
if(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
set_property(TARGET lmdb APPEND_STRING PROPERTY COMPILE_FLAGS " -D_SEM_SEMUN_UNDEFINED")
+elseif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+ set_property(TARGET lmdb APPEND_STRING PROPERTY COMPILE_FLAGS " -D_WANT_SEMUN")
endif()