(#17245) soci: fix linking against dependencies with conanv1

* soci: fix linking against dependencies with conanv1

soci searches for POSTGRESQL_LIBRARIES etc. instead of what conan
defines (PostgreSQL_LIBRARIES).

fixes #11628

* soci: fix @rpath on MacOS

recipes/soci/all/conanfile.py

@@ -110,6 +110,8 @@ def source(self):
     def generate(self):
         tc = CMakeToolchain(self)
 
+        # MacOS @rpath
+        tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0042"] = "NEW"
         tc.variables["SOCI_SHARED"] = self.options.shared
         tc.variables["SOCI_STATIC"] = not self.options.shared
         tc.variables["SOCI_TESTS"] = False
@@ -126,6 +128,9 @@ def generate(self):
         tc.generate()
 
         deps = CMakeDeps(self)
+        deps.set_property("mysql", "cmake_file_name", "MYSQL")
+        deps.set_property("libpq", "cmake_file_name", "POSTGRESQL")
+        deps.set_property("sqlite3", "cmake_file_name", "SQLITE3")
         deps.generate()
 
     def build(self):