FindSQLite3 для CMake < 3.14

FindSQLite3.cmake

@@ -0,0 +1,45 @@
+if(${CMAKE_VERSION} VERSION_GREATER "3.13.99")
+  return()
+endif()
+
+# Compatibility mode
+set(SQLite3_PREFIX "" CACHE PATH "The path to the prefix of SQLite3 installation")
+
+find_path(SQLite3_INCLUDE_DIR NAMES sqlite3.h
+  PATHS
+  ${SQLite3_PREFIX}/include
+  /opt/local/include
+  /usr/include
+  /usr/local/include
+)
+
+find_library(SQLite3_LIBRARIES NAMES sqlite3
+  PATHS
+  ${SQLite3_PREFIX}/lib
+  /opt/local/lib
+  /usr/lib
+  /usr/local/lib
+)
+
+if(SQLite3_INCLUDE_DIR AND SQLite3_LIBRARIES AND NOT TARGET SQLite::SQlite3)
+  get_filename_component(SQlite3_LIBRARY_DIR ${SQLite3_LIBRARIES} PATH)
+  set(SQLite3_FOUND TRUE)
+  set(SQLite3_INCLUDE_DIRS ${SQLite3_INCLUDE_DIR})
+  add_library(SQLite::SQLite3 UNKNOWN IMPORTED)
+  set_target_properties(SQLite::SQLite3 PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES "${SQLite3_INCLUDE_DIR}"
+    INTERFACE_LINK_LIBRARIES      "${SQLite3_LIBRARIES}"
+    IMPORTED_LOCATION             "${SQLite3_LIBRARY}"
+  )
+endif()
+
+# Extract version information from the header file
+if(SQLite3_FOUND)
+  file(STRINGS ${SQLite3_INCLUDE_DIR}/sqlite3.h _ver_line
+       REGEX "^#define SQLITE_VERSION  *\"[0-9]+\\.[0-9]+\\.[0-9]+\""
+       LIMIT_COUNT 1)
+  string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+"
+         SQLite3_VERSION "${_ver_line}")
+  unset(_ver_line)
+endif()
+