Add hitch 1.8.0 support.

[kareem-wolfssl]

Update hitch support for 1.8.0.
wolfSSL has added all of the OCSP functions hitch is using, so no need to patch the OCSP functions anymore.
Requires wolfSSL/wolfssl#9897.

[Copilot]

Pull request overview

Adds Hitch 1.8.0 patch support for building against wolfSSL, removing the need for OCSP function patching by introducing a --with-wolfssl configure path.

Changes:

• Adds --with-wolfssl option and wolfSSL/OpenSSL conditional configuration in configure.ac.
• Disables OpenSSL ENGINE initialization when building with wolfSSL.
• Updates certificate TLV buffer type to BUF_MEM.

Comments suppressed due to low confidence (2)

hitch/hitch_1.8.0.patch:1

• The AC_ARG_WITH([wolfssl], ...) handler never assigns with_wolfssl when the option is provided, so with_wolfssl can be empty and still satisfy test \"$with_wolfssl\" != no. This also mis-handles --with-wolfssl=no (it will set wolfssl_path=no and still enter the wolfSSL branch). Assign with_wolfssl=$withval in the option handler (and normalize no|yes|<path>), then key the conditional off the normalized value.

commit 7afa1dc73a768423ec5d3823e62a58c6d0bd4aeb

hitch/hitch_1.8.0.patch:1

• The wolfSSL branch unconditionally defines feature macros (including HAVE_TLS_1_3) without any configure-time verification. This can silently misconfigure builds if wolfSSL is compiled without certain features/APIs. Prefer using HITCH_CHECK_FUNC/AC_CHECK_FUNCS (or a version/feature check via pkg-config --modversion wolfssl) to conditionally define these macros based on actual availability.

commit 7afa1dc73a768423ec5d3823e62a58c6d0bd4aeb

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