Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -48,6 +48,9 @@
 
 include(ECMSetupVersion)
 include(ECMGenerateHeaders)
+include(ECMAddQCH)
+
+option(BUILD_QCH "Build API documentation in QCH format" ON)
 
 set(KF5_VERSION "5.29.0") # handled by release scripts
 
@@ -88,4 +91,11 @@
         FILE KF5ArchiveTargets.cmake
         NAMESPACE KF5::)
 
+ecm_install_qch_export(
+    TARGETS KF5Archive_QCH
+    FILE KF5ArchiveQCHTargets.cmake
+    DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
+    COMPONENT Devel
+)
+
 feature_summary(WHAT ALL   FATAL_ON_MISSING_REQUIRED_PACKAGES)
Index: KF5ArchiveConfig.cmake.in
===================================================================
--- KF5ArchiveConfig.cmake.in
+++ KF5ArchiveConfig.cmake.in
@@ -7,4 +7,4 @@
 set(KArchive_HAVE_LZMA  "@LIBLZMA_FOUND@")
 
 include("${CMAKE_CURRENT_LIST_DIR}/KF5ArchiveTargets.cmake")
-
+include("${CMAKE_CURRENT_LIST_DIR}/KF5ArchiveQCHTargets.cmake")
Index: src/CMakeLists.txt
===================================================================
--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -92,6 +92,24 @@
         DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF5}/KArchive
         COMPONENT Devel)
 
+if(BUILD_QCH)
+ecm_add_qch(
+    KF5Archive_QCH
+    OUTPUT_BASENAME KF5Archive
+    VERSION ${KF5_VERSION}
+    ORG_DOMAIN org.kde
+    SOURCES ${KArchive_HEADERS}
+    MD_MAINPAGE "${CMAKE_SOURCE_DIR}/README.md"
+    LINK_QCH
+        Qt5Core_QCH
+    BLANK_MACROS
+        KARCHIVE_EXPORT
+        KARCHIVE_DEPRECATED
+    TAGFILE_INSTALL_DESTINATION ${KDE_INSTALL_FULL_QTQCHDIR}
+    QCH_INSTALL_DESTINATION ${KDE_INSTALL_FULL_QTQCHDIR}
+)
+endif()
+
 include(ECMGeneratePriFile)
 ecm_generate_pri_file(BASE_NAME KArchive LIB_NAME KF5Archive DEPS "core" FILENAME_VAR PRI_FILENAME INCLUDE_INSTALL_DIR ${KDE_INSTALL_INCLUDEDIR_KF5}/KArchive)
 install(FILES ${PRI_FILENAME}