feat conan: add libpq patch support

cmake/SetupPostgresqlDeps.cmake

@@ -5,9 +5,15 @@ _userver_macos_set_default_dir(USERVER_PG_LIBRARY_DIR "pg_config;--libdir")
 _userver_macos_set_default_dir(USERVER_PG_SERVER_INCLUDE_DIR "pg_config;--includedir-server")
 _userver_macos_set_default_dir(USERVER_PG_SERVER_LIBRARY_DIR "pg_config;--pkglibdir")
 
-# We need libldap to statically link with libpq There is no FindLdap.cmake and no package config files for ldap library,
-# so need to search for it by hand.
-find_library(LDAP_LIBRARY NAMES libldap.so libldap.dylib libldap.framework)
+find_package(OpenLDAP CONFIG QUIET)
+if(OpenLDAP_FOUND)
+    set(LDAP_LIBRARY openldap::openldap)
+endif()
+
+if(NOT LDAP_LIBRARY)
+    find_library(LDAP_LIBRARY NAMES libldap.so libldap.dylib libldap.framework)
+endif()
+
 if(NOT LDAP_LIBRARY)
     message(
         FATAL_ERROR

conanfile.py

@@ -144,6 +144,9 @@ def requirements(self):
             # `run=True` required to find `pg_config` binary during `psycopg2` python module build
             # without system package. We use system package.
             self.requires('libpq/[>=14.9 <20]')
+        if self.options.with_postgresql_extra:
+            self.requires('openldap/[^2.6]')
+            self.requires('krb5/[^1.21]')
         if self.options.with_mongodb or self.options.with_kafka:
             self.requires('cyrus-sasl/[^2.1]')
         if self.options.with_mongodb:
@@ -222,6 +225,13 @@ def generate(self):
         tool_ch.cache_variables['USERVER_FEATURE_GRPC_PROTOVALIDATE'] = self.options.with_grpc_protovalidate
         tool_ch.cache_variables['USERVER_DISABLE_PHDR_CACHE'] = not self.options.with_phdr_cache
 
+        cmake_modules_path = os.path.join(self.source_folder, 'cmake', 'modules')
+        existing_module_path = tool_ch.cache_variables.get('CMAKE_MODULE_PATH', '')
+        if existing_module_path:
+            tool_ch.cache_variables['CMAKE_MODULE_PATH'] = f'{cmake_modules_path};{existing_module_path}'
+        else:
+            tool_ch.cache_variables['CMAKE_MODULE_PATH'] = cmake_modules_path
+
         if self.options.with_grpc:
             tool_ch.cache_variables['USERVER_GOOGLE_COMMON_PROTOS'] = (
                 self.dependencies['googleapis'].cpp_info.components['google_rpc_status_proto'].resdirs[0]
@@ -234,6 +244,15 @@ def generate(self):
                 'user.opentelemetry-proto:proto_root',
             )
 
+        if self.options.with_postgresql_extra:
+            libpq = self.dependencies['libpq']
+            libpq_package_folder = libpq.package_folder
+
+            tool_ch.cache_variables['USERVER_PG_SERVER_INCLUDE_DIR'] = os.path.join(
+                libpq_package_folder, 'include', 'postgresql', 'server'
+            )
+            tool_ch.cache_variables['USERVER_PG_SERVER_LIBRARY_DIR'] = os.path.join(libpq_package_folder, 'lib')
+
         tool_ch.generate()
 
         CMakeDeps(self).generate()