Add working sqlite example.

examples/sqlite/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+
+project(CPMSqliteExample)
+
+# ---- Dependencies ----
+
+include(../../cmake/CPM.cmake)
+
+# sqlite - You know it, you love it!
+CPMAddPackage(
+  NAME     sqlite
+  URL      https://www.sqlite.org/2024/sqlite-amalgamation-3460000.zip
+  URL_HASH SHA256=712a7d09d2a22652fb06a49af516e051979a3984adb067da86760e60ed51a7f5
+  PATCHES
+    sqlite.patch
+)
+
+add_executable(CPMSqliteExample main.cpp)
+target_link_libraries(CPMSqliteExample sqlite)

examples/sqlite/main.cpp

@@ -0,0 +1,8 @@
+#include <iostream>
+#include <sqlite3.h>
+
+
+int main(int,char**) {
+  std::cout << sqlite3_libversion() << "\n";
+  return 0;
+}

examples/sqlite/sqlite.patch

@@ -0,0 +1,11 @@
+diff -uN a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	1969-12-31 18:00:00.000000000 -0600
++++ b/CMakeLists.txt	2024-07-30 12:22:59.022590360 -0500
+@@ -0,0 +1,7 @@
++cmake_minimum_required(VERSION 3.11)
++project(sqlite)
++
++add_library(sqlite STATIC sqlite3.c  sqlite3.h  sqlite3ext.h)
++target_include_directories(sqlite PUBLIC SYSTEM
++  "${CMAKE_CURRENT_SOURCE_DIR}"
++)