Don't look for bzip2 and lzma.

3rdparty/ext_frameworks/CMakeLists.txt

@@ -36,6 +36,7 @@ ExternalProject_Add(
     DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
     URL http://download.kde.org/stable/frameworks/5.44/karchive-5.44.0.zip
     URL_MD5 c60a8e22b88cc7328610041638459689
+    PATCH_COMMAND ${PATCH_COMMAND} -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/karchive.diff
     INSTALL_DIR ${EXTPREFIX_frameworks}
     CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${EXTPREFIX_frameworks}
                -DCMAKE_BUILD_TYPE=${GLOBAL_BUILD_TYPE} 

3rdparty/ext_frameworks/karchive.diff

+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 2441977..2a20a13 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -29,20 +29,20 @@ set_package_properties(ZLIB PROPERTIES
+     PURPOSE "Required by the core KDE libraries and some critical kioslaves"
+ )
+ 
+-find_package(BZip2)
+-set_package_properties(BZip2 PROPERTIES
+-    URL "http://www.bzip.org"
+-    DESCRIPTION "Support for BZip2 compressed files and data streams"
+-    TYPE RECOMMENDED
+-    PURPOSE "Support for BZip2 compressed files and data streams"
+-)
+-
+-find_package(LibLZMA)
+-set_package_properties(LibLZMA PROPERTIES
+-    URL "http://tukaani.org/xz/"
+-    DESCRIPTION "Support for xz compressed files and data streams"
+-    PURPOSE "Support for xz compressed files and data streams"
+-)
++#find_package(BZip2)
++#set_package_properties(BZip2 PROPERTIES
++#    URL "http://www.bzip.org"
++#    DESCRIPTION "Support for BZip2 compressed files and data streams"
++#    TYPE RECOMMENDED
++#    PURPOSE "Support for BZip2 compressed files and data streams"
++#)
++
++#find_package(LibLZMA)
++#set_package_properties(LibLZMA PROPERTIES
++#    URL "http://tukaani.org/xz/"
++#    DESCRIPTION "Support for xz compressed files and data streams"
++#    PURPOSE "Support for xz compressed files and data streams"
++#)
+ include_directories(
+     ${ZLIB_INCLUDE_DIR}
+ )