MDEV-40608 MariaDB-devel is incomplete for plugins

.gitignore

@@ -264,6 +264,7 @@ support-files/mariadb-extra.socket
 support-files/mariadb@.service
 support-files/mariadb@.socket
 support-files/mariadb-extra@.socket
+support-files/mariadb-plugin-config.cmake
 support-files/mini-benchmark
 support-files/my-huge.cnf
 support-files/my-innodb-heavy-4G.cnf

CMakeLists.txt

@@ -493,7 +493,18 @@ SET(PYTHON_SHEBANG "/usr/bin/env python3" CACHE STRING "python shebang")
 MARK_AS_ADVANCED(PYTHON_SHEBANG)
 
 # Add storage engines and plugins.
-CONFIGURE_PLUGINS()
+IF(NOT WITHOUT_SERVER)
+  FILE(GLOB dirs_storage ${CMAKE_SOURCE_DIR}/storage/*)
+ENDIF()
+
+FILE(GLOB dirs_plugin ${CMAKE_SOURCE_DIR}/plugin/*)
+FOREACH(dir ${dirs_storage} ${dirs_plugin})
+  IF (EXISTS ${dir}/CMakeLists.txt)
+    ADD_SUBDIRECTORY(${dir})
+  ENDIF()
+ENDFOREACH()
+
+VERIFY_PLUGINS()
 
 ADD_SUBDIRECTORY(include)
 ADD_SUBDIRECTORY(dbug)

cmake/plugin.cmake

@@ -17,7 +17,7 @@
 
 INCLUDE(CMakeParseArguments)
 
-# MYSQL_ADD_PLUGIN(plugin_name source1...sourceN
+# MARIADB_ADD_PLUGIN(plugin_name source1...sourceN
 # [STORAGE_ENGINE]
 # [STATIC_ONLY|MODULE_ONLY]
 # [MANDATORY|DEFAULT]
@@ -32,7 +32,7 @@ INCLUDE(CMakeParseArguments)
 # [LINK_LIBRARIES lib1...libN]
 # [DEPENDS target1...targetN]
 
-MACRO(MYSQL_ADD_PLUGIN)
+MACRO(MARIADB_ADD_PLUGIN)
   CMAKE_PARSE_ARGUMENTS(ARG
     "STORAGE_ENGINE;STATIC_ONLY;MODULE_ONLY;MANDATORY;DEFAULT;DISABLED;NOT_EMBEDDED;RECOMPILE_FOR_EMBEDDED;CLIENT"
     "MODULE_OUTPUT_NAME;STATIC_OUTPUT_NAME;COMPONENT;CONFIG;VERSION"
@@ -326,20 +326,12 @@ MACRO(MYSQL_ADD_PLUGIN)
 ENDMACRO()
 
 
-# Add all CMake projects under storage  and plugin 
-# subdirectories, configure sql_builtins.cc
-MACRO(CONFIGURE_PLUGINS)
-  IF(NOT WITHOUT_SERVER)
-    FILE(GLOB dirs_storage ${CMAKE_SOURCE_DIR}/storage/*)
-  ENDIF()
-
-  FILE(GLOB dirs_plugin ${CMAKE_SOURCE_DIR}/plugin/*)
-  FOREACH(dir ${dirs_storage} ${dirs_plugin})
-    IF (EXISTS ${dir}/CMakeLists.txt)
-      ADD_SUBDIRECTORY(${dir})
-    ENDIF()
-  ENDFOREACH()
+MACRO(MYSQL_ADD_PLUGIN)
+  MARIADB_ADD_PLUGIN(${ARGV})
+ENDMACRO()
 
+# verify that all -DPLUGIN_xxx=YES plugins are being built
+MACRO(VERIFY_PLUGINS)
   GET_CMAKE_PROPERTY(ALL_VARS VARIABLES)
   FOREACH (V ${ALL_VARS})
     IF (V MATCHES "^PLUGIN_")

support-files/CMakeLists.txt

@@ -256,4 +256,10 @@ IF(UNIX AND NOT WITHOUT_SERVER)
                    WORKING_DIRECTORY \$ENV{DESTDIR}${prefix})"
                    COMPONENT SupportFiles)
   ENDIF(INSTALL_SYSCONFDIR)
+
+  FILE(READ ${CMAKE_SOURCE_DIR}/cmake/install_layout.cmake install_layout.cmake)
+  FILE(READ ${CMAKE_SOURCE_DIR}/cmake/plugin.cmake plugin.cmake)
+  CONFIGURE_FILE(mariadb-plugin-config.cmake.in mariadb-plugin-config.cmake @ONLY)
+  INSTALL(FILES mariadb-plugin-config.cmake DESTINATION ${INSTALL_SHAREDIR}/cmake/mariadb-plugin/
+          COMPONENT Development)
 ENDIF()

support-files/mariadb-plugin-config.cmake.in

@@ -0,0 +1,33 @@
+# Copyright (c) 2026, MariaDB plc
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1335  USA
+
+MACRO(DTRACE_INSTRUMENT)
+ENDMACRO()
+MACRO(ADD_VERSION_INFO)
+ENDMACRO()
+MACRO(MYSQL_INSTALL_TARGETS)
+  INSTALL(TARGETS ${ARGV})
+ENDMACRO()
+ADD_CUSTOM_TARGET(GenError)
+
+INCLUDE(FeatureSummary)
+
+GET_FILENAME_COMPONENT(prefix "${CMAKE_CURRENT_LIST_DIR}/../../.." ABSOLUTE)
+INCLUDE_DIRECTORIES(${prefix}/@INSTALL_INCLUDEDIR@/server ${prefix}/@INSTALL_INCLUDEDIR@/server/private)
+
+@install_layout.cmake@
+
+@plugin.cmake@
+