Added sqlite3 as third party package

external/CMakeLists.txt

@@ -39,7 +39,7 @@
 # Note: on MSVC, run startupMSVC.bat after deleting the build folder.
 
 cmake_minimum_required(VERSION 3.7)
-project(htm_core CXX)
+project(htm_core CXX C)
 
 set(CMAKE_VERBOSE_MAKEFILE OFF)
 
@@ -125,3 +125,8 @@ include(digestpp.cmake)
 # cpp-httplib webserver and client
 include(cpp-httplib.cmake)
 
+#################
+#  Sqlite3  SQL Database
+include(sqlite3.cmake)
+
+

external/bootstrap.cmake

@@ -98,6 +98,7 @@ set(EXTERNAL_INCLUDES
 	${cereal_INCLUDE_DIRS}
 	${digestpp_INCLUDE_DIRS}
 	${cpp-httplib_INCLUDE_DIRS}
+	${sqlite3_INCLUDE_DIRS}
 	${common_INCLUDE_DIRS}
 	${REPOSITORY_DIR}/external/common/include
 )

external/sqlite3.cmake

@@ -0,0 +1,62 @@
+# -----------------------------------------------------------------------------
+# Numenta Platform for Intelligent Computing (NuPIC)
+# Copyright (C) 2019, Numenta, Inc.  Unless you have purchased from
+# Numenta, Inc. a separate commercial license for this software code, the
+# following terms and conditions apply:
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero Public License version 3 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU Affero Public License for more details.
+#
+# You should have received a copy of the GNU Affero Public License
+# along with this program.  If not, see http://www.gnu.org/licenses.
+#
+# http://numenta.org/licenses/
+# -----------------------------------------------------------------------------
+# This downloads and builds the sqlite3 library.
+#
+# SQLite is a C-language library that implements a small, fast, self-contained, 
+#        high-reliability, full-featured, SQL database engine. SQLite is the most used 
+#        database engine in the world.
+#
+#            The current release is 3/32/3 (2020-06-18)
+#            The repository is at https://www.sqlite.org/2020/sqlite-autoconf-3320300.tar.gz
+#
+#
+if(EXISTS   ${REPOSITORY_DIR}/build/ThirdParty/share/sqlite3.tar.gz)
+    set(URL ${REPOSITORY_DIR}/build/ThirdParty/share/sqlite3.tar.gz)
+else()
+    set(URL "https://www.sqlite.org/2020/sqlite-autoconf-3320300.tar.gz")
+endif()
+
+message(STATUS "Obtaining sqlite3")
+include(DownloadProject/DownloadProject.cmake)
+download_project(PROJ sqlite3
+	PREFIX ${EP_BASE}/sqlite3
+	URL ${URL}
+	GIT_SHALLOW ON
+	UPDATE_DISCONNECTED 1
+	QUIET
+	)
+
+# SQLite does not provide a CMakeList.txt to buld with so we provide the following lines to perform the compile here.
+# Since we are building here and not in the source folder, the library will show up directly under build/ThirdParty.
+set(SRCS ${sqlite3_SOURCE_DIR}/sqlite3.c ${sqlite3_SOURCE_DIR}/sqlite3.h)
+add_library(sqlite3 STATIC  ${SRCS} )
+target_compile_definitions(sqlite3 PRIVATE ${COMMON_COMPILER_DEFINITIONS})
+
+set(sqlite3_INCLUDE_DIRS ${sqlite3_SOURCE_DIR}/include) 
+if (MSVC)
+  set(sqlite3_LIBRARIES   "${CMAKE_BINARY_DIR}$<$<CONFIG:Release>:/Release/sqlite3.lib>$<$<CONFIG:Debug>:/Debug/sqlite3.lib>") 
+else()
+  set(sqlite3_LIBRARIES   ${CMAKE_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}sqlite3${CMAKE_STATIC_LIBRARY_SUFFIX}) 
+endif()
+
+FILE(APPEND "${EXPORT_FILE_NAME}" "sqlite3_INCLUDE_DIRS@@@${sqlite3_INCLUDE_DIRS}\n")
+FILE(APPEND "${EXPORT_FILE_NAME}" "sqlite3_LIBRARIES@@@${sqlite3_LIBRARIES}\n")
+

src/CMakeLists.txt

@@ -268,6 +268,7 @@ endif()
 set(src_combined_htmcore_source_archives
     ${src_lib_static}
     ${yaml_LIBRARIES}
+    ${sqlite3_LIBRARIES}
     ${Boost_LIBRARIES}
     ${common_LIBRARIES}
     )
@@ -288,6 +289,7 @@ else()
 	set(all_object_locations)
 	set(src_externLibs
             ${yaml_LIBRARIES}
+            ${sqlite3_LIBRARIES}
             ${Boost_LIBRARIES}
             ${common_LIBRARIES}
             )