compat-check

To prevent OpenSSL 3.x provider mismatch bugs in Perl XS code, wrap provider globals with the OpenSSL_VERSION_NUMBER guard and respect the 0x10100000L branching. This ensures correct symbol usage across version boundaries during PKCS12.xs refactors.

PKCS12 XS modules fail on older OpenSSL versions when compatibility macros are not applied for pre-1.1.0 releases. Applying the required compat macros during macro and API updates prevents incorrect symbol usage and build stability issues.

Yes, you need to check Devel::PPPort coverage when modifying PKCS12 XS code to keep changes compatible with Perl 5.8+. Guarding XS APIs ensures stability across supported Perl versions during PKCS12.xs refactors.

Select version-appropriate test PKCS12 fixtures by matching them to your target OpenSSL 1.0, 1.1, or 3.x environment. Using correct test certificates prevents subtle runtime issues and build failures across platform-specific build differences like macOS and Strawberry Perl.

Platform-specific build differences for Perl XS modules linking OpenSSL include macOS, Strawberry Perl on Windows, and Solaris/SunOS linker build flag variations. Respecting these variations during PKCS12.xs refactors prevents build failures across diverse environments.

Use compat macros when refactoring PKCS12.xs files to apply OpenSSL and Perl compatibility constraints, specifically guarding pre-1.1.0 APIs and wrapping OpenSSL 3.x provider globals. This prevents incorrect symbol usage and provider version mismatches.