openssl@3: link into HOMEBREW_PREFIX

See discussion at #104784.

Co-authored-by: Michael Cho <cho-m@tuta.io>

Formula/openssl@3.rb

@@ -25,29 +25,33 @@ class OpensslAT3 < Formula
     sha256 x86_64_linux:   "1d2e71765c0e459ba1d465a4ac4ded77f13fbcd446a74bc40d40e444dca56e78"
   end
 
-  keg_only :shadowed_by_macos, "macOS provides LibreSSL"
-
   depends_on "ca-certificates"
 
   on_linux do
-    keg_only "it conflicts with the `openssl@1.1` formula"
-
     resource "Test::Harness" do
       url "https://cpan.metacpan.org/authors/id/L/LE/LEONT/Test-Harness-3.44.tar.gz"
+      mirror "http://cpan.metacpan.org/authors/id/L/LE/LEONT/Test-Harness-3.44.tar.gz"
       sha256 "7eb591ea6b499ece6745ff3e80e60cee669f0037f9ccbc4e4511425f593e5297"
     end
 
     resource "Test::More" do
       url "https://cpan.metacpan.org/authors/id/E/EX/EXODIST/Test-Simple-1.302195.tar.gz"
+      mirror "http://cpan.metacpan.org/authors/id/E/EX/EXODIST/Test-Simple-1.302195.tar.gz"
       sha256 "b390bb23592e0b946c95adbb3c30b11bc634a286b2847be611ad929c57e39a6c"
     end
 
     resource "ExtUtils::MakeMaker" do
       url "https://cpan.metacpan.org/authors/id/B/BI/BINGOS/ExtUtils-MakeMaker-7.70.tar.gz"
+      mirror "http://cpan.metacpan.org/authors/id/B/BI/BINGOS/ExtUtils-MakeMaker-7.70.tar.gz"
       sha256 "f108bd46420d2f00d242825f865b0f68851084924924f92261d684c49e3e7a74"
     end
   end
 
+  link_overwrite "bin/c_rehash", "bin/openssl", "include/openssl/*"
+  link_overwrite "lib/libcrypto*", "lib/libssl*"
+  link_overwrite "lib/pkgconfig/libcrypto.pc", "lib/pkgconfig/libssl.pc", "lib/pkgconfig/openssl.pc"
+  link_overwrite "share/doc/openssl/*", "share/man/man*/*ssl"
+
   # SSLv2 died with 1.1.0, so no-ssl2 no longer required.
   # SSLv3 & zlib are off by default with 1.1.0 but this may not
   # be obvious to everyone, so explicitly state it for now to