iOS 11 / Xcode issue - Implicit declaration of function 'sqlite3_key' is invalid in C99

[sjlombardo]

@tejasp-excellence - please review the following two articles (in order) and make sure that all of the recommendations are implemented.

Important Advisory: SQLCipher with Xcode 8 and new SDKs

Note: Updated to clarify that this guidance applies to all projects built with Xcode 8, including for non-iOS targets). Apple has recently released XCode 8, along with new SDKs (e.g. iOS 10, watchOS 3, mac OS, tvOS), with many new features and enhancements. The majority of projects that include SQLCipher should have no problems after upgrading. However, there are some important changes and edge cases, so we have prepared the following important recommendations for all SQLCipher developers upgra…

Important Advisory: SQLCipher with Xcode 9 and new SDKs

Apple has recently released Xcode 9, along with new SDKs (e.g. iOS 11, watchOS 4, etc), with new features and enhancements. Most projects that include recent versions of SQLCipher shouldn’t have any problems upgrading. However, there are some changes in the SDKs, so we have prepared important recommendations for SQLCipher developers that run into errors after upgrading. Note: Before proceeding, be sure that all projects implement the separately documented recommended changes related to SQLCiphe…