Update liblmdb, unify 32/64 sources

external/db_drivers/liblmdb/CMakeLists.txt

@@ -0,0 +1,51 @@
+# Copyright (c) 2014-2015, The Monero Project
+# 
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+# 
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+# 
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# 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)
+  add_definitions(-DMDB_DSYNC=O_SYNC)
+endif()
+
+set (lmdb_sources
+mdb.c
+midl.c)
+
+include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
+
+add_library(lmdb
+  ${lmdb_sources})
+target_link_libraries(lmdb
+  LINK_PRIVATE
+    ${CMAKE_THREAD_LIBS_INIT})
+if(WIN32)
+  target_link_libraries(lmdb
+    -lntdll)
+endif()
+if(${ARCH_WIDTH} EQUAL 32)
+  target_compile_definitions(lmdb
+    PUBLIC -DMDB_VL32)
+endif()