CMakeLists.txt

@@ -54,6 +54,9 @@ project(
   VERSION 1.0.0
 )
 
+# Adding something we can run - Output name matches target name
+add_executable(DrogonCMS src/base.c)
+
 #===============================================================================
 # Setting compilation flags for various compilers and build types:
 #===============================================================================
@@ -112,9 +115,8 @@ if(NOT CMAKE_BUILD_TYPE)
     FORCE)
 endif()
 
-# Find packages go here.
+# Find PkgConfig.
 find_package(PkgConfig REQUIRED)
-find_package(PostgreSQL REQUIRED)
 
 pkg_check_modules(GTK4 REQUIRED gtk4>=4.0)
 message("GTK4 include dir: ${GTK4_INCLUDE_DIRS}")
@@ -128,23 +130,33 @@ message("ADW other Cflags: ${ADW_CFLAGS_OTHER}")
 
 #pkg_check_modules(SSL REQUIRED openssl>=3.1.2)
 #message("SSL libraries: ${SSL_LIBRARY_DIRS}")
-
 #pkg_check_modules(SSL REQUIRED zlib>=1.3)
 
+# Make use of PostgreSQL if FOUND, else use SQLite3
+find_package (PostgreSQL)
+if (PostgreSQL_FOUND)
+  message("POSTGRESQL include dir: ${PostgreSQL_INCLUDE_DIRS}")
+  message("POSTGRESQL libraries: ${PostgreSQL_LIBRARIES}")
+  include_directories(${PostgreSQL_INCLUDE_DIRS} ${PostgreSQL_SERVER_INCLUDE_DIRS})
+  target_link_libraries (${PROJECT_NAME} PUBLIC ${PostgreSQL_LIBRARIES})
+
+#pkg_check_modules(SQLite3 REQUIRED sqlite3>=3.43.1)
+elseif (SQLITE3_FOUND)
+  find_package (SQLite3)
+  message("SQLITE3 include dir: ${SQLITE3_INCLUDE_DIRS}")
+  message("SQLITE3 libraries: ${SQLITE3_LIBRARIES}")
+  include_directories(${SQLITE3_INCLUDE_DIRS})
+  target_link_libraries (${PROJECT_NAME} PUBLIC ${SQLITE3_LIBRARIES})
+endif (PostgreSQL_FOUND)
 # Setup CMake to use GTK+, tell the compiler where to look for headers
 # and to the linker where to look for libraries
-include_directories(${GTK4_INCLUDE_DIRS} ${ADW_INCLUDE_DIRS} ${PostgreSQL_INCLUDE_DIRS} ${PostgreSQL_SERVER_INCLUDE_DIRS})
+include_directories(${GTK4_INCLUDE_DIRS} ${ADW_INCLUDE_DIRS})
 link_directories(${GTK4_LIBRARY_DIRS} ${ADW_LIBRARY_DIRS})
 add_definitions(${GTK4_CFLAGS_OTHER} ${ADW_CFLAGS_OTHER})
 
-# Adding something we can run - Output name matches target name
-add_executable(DrogonCMS src/base.c )
-#add_executable(PG_Store vendors/postgresql-db/main.cc)
-
 # Include drogon source code locally
 add_subdirectory(vendors/api-server/)
 add_subdirectory(vendors/simple-reverse-proxy/)
-#add_subdirectory(vendors/cmake/)
 
 # This is a "default" library, and will match the *** variable setting.
 # Other common choices are STATIC, SHARED, and MODULE
@@ -156,16 +168,11 @@ add_subdirectory(vendors/simple-reverse-proxy/)
 # Make sure you link your targets with this command. It can also link libraries and
 # even flags, so linking a target that does not exist will not give a configure-time error.
 target_include_directories(${PROJECT_NAME} PUBLIC ${GTK4_LIBRARIES} ${ADW_LIBRARIES})
-target_link_libraries(${PROJECT_NAME} PRIVATE ${GTK4_LIBRARIES} ${ADW_LIBRARIES} PostgreSQL::PostgreSQL)
+target_link_libraries(${PROJECT_NAME} PRIVATE ${GTK4_LIBRARIES} ${ADW_LIBRARIES})
 
 # Target Compile Options
 target_compile_options(${PROJECT_NAME} PRIVATE ${WARNING_LEVELS_GCC} $<$<CONFIG:DEBUG>:${WARNING_LEVELS_GCC_DEBUG}>)
 
-# This part is so the Modern CMake book can verify this example builds. For your code,
-# you'll probably want tests too
-enable_testing()
-#add_test(NAME MyExample COMMAND MyExample)
-
 #===============================================================================
 # Package generation:
 #===============================================================================