Add in-source lmdb to build process

Working on Linux, needs verified for other platforms but should be fine.

CMakeLists.txt

@@ -138,7 +138,10 @@ link_directories(${UNBOUND_LIBRARY_DIRS})
 # Final setup for rapidjson
 include_directories(external/rapidjson)
 
-find_package(LMDB REQUIRED)
+
+add_subdirectory(db_drivers)
+
+# Final setup for liblmdb
 include_directories(${LMDB_INCLUDE})
 
 if(MSVC)

cmake/FindLMDB.cmake

@@ -53,9 +53,5 @@ IF(LMDB_INCLUDE_DIR)
     MESSAGE(STATUS "Found liblmdb library")
     set(LMDB_INCLUDE ${LMDB_INCLUDE_DIR})
     set(LMDB_LIBRARY ${LMDB_LIBRARIES})
-  ELSE()
-    MESSAGE(FATAL_ERROR "${BoldRed}Could not find liblmdb library, please make sure you have installed liblmdb or liblmdb-dev or the equivalent${ColourReset}")
   ENDIF()
-ELSE()
-  MESSAGE(FATAL_ERROR "${BoldRed}Could not find liblmdb library, please make sure you have installed liblmdb or liblmdb-dev or the equivalent${ColourReset}")
 ENDIF()

db_drivers/CMakeLists.txt

@@ -0,0 +1,49 @@
+# 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.
+
+find_package(LMDB)
+
+if(NOT LMDB_LIBRARIES OR STATIC)
+  add_subdirectory(liblmdb)
+  message(STATUS "lmdb not found, building from src tree")
+
+  set(LMDB_STATIC true PARENT_SCOPE)
+  set(LMDB_INCLUDE "${CMAKE_CURRENT_SOURCE_DIR}/liblmdb" PARENT_SCOPE)
+  set(LMDB_LIBRARY "lmdb" PARENT_SCOPE)
+else()
+  message(STATUS "Found liblmdb include (lmdb.h) in ${LMDB_INCLUDE_DIR}")
+  if(LMDB_LIBRARIES)
+    message(STATUS "Found liblmdb shared library")
+    set(LMDB_STATIC false PARENT_SCOPE)
+    set(LMDB_INCLUDE ${LMDB_INCLUDE_DIR} PARENT_SCOPE)
+    set(LMDB_LIBRARY ${LMDB_LIBRARIES} PARENT_SCOPE)
+    set(LMDB_LIBRARY_DIRS "" PARENT_SCOPE)
+  else()
+    die("Found liblmdb includes, but could not find liblmdb library. Please make sure you have installed liblmdb or liblmdb-dev or the equivalent")
+  endif()
+endif()

db_drivers/liblmdb/CMakeLists.txt

@@ -0,0 +1,39 @@
+# 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.
+
+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})