Avoid:
CMake Error in src/plugins/gpgme/CMakeLists.txt:
  Found relative path while evaluating include directories of
  "elektra-gpgme-objects":

    "-D_FILE_OFFSET_BITS=64"

--- elektra-0.8.26/cmake/Modules/FindLibGpgme.cmake.orig	2019-02-26 12:45:46.000000000 +0100
+++ elektra-0.8.26/cmake/Modules/FindLibGpgme.cmake	2022-07-03 17:45:45.536033437 +0200
@@ -52,10 +52,13 @@ if (LIBGPGME_FOUND)
 	string (LENGTH "${LIBGPGME_CFLAGS}"
 		       LIBGPGME_CFLAGS_LEN)
 	if (${LIBGPGME_CFLAGS_LEN} GREATER 1)
+		string (REGEX REPLACE "-D[A-Za-z0-9_=]* *" ""
+			LIBGPGME_INCLUDE_DIRS
+			"${LIBGPGME_CFLAGS}")
 		string (REPLACE "-I"
 				""
 				LIBGPGME_INCLUDE_DIRS
-				"${LIBGPGME_CFLAGS}")
+				"${LIBGPGME_INCLUDE_DIRS}")
 		string (REPLACE " "
 				";"
 				LIBGPGME_INCLUDE_DIRS
--- elektra-0.8.26/src/plugins/gpgme/CMakeLists.txt.orig	2019-02-26 12:45:46.000000000 +0100
+++ elektra-0.8.26/src/plugins/gpgme/CMakeLists.txt	2022-07-03 18:16:30.609371151 +0200
@@ -11,4 +11,4 @@ endif ()
 
 set (GPGME_SOURCE_FILES keylist.h keylist.c gpgme.h gpgme.c)
 
-add_plugin (gpgme SOURCES ${GPGME_SOURCE_FILES} INCLUDE_DIRECTORIES ${LIBGPGME_INCLUDE_DIRS} LINK_LIBRARIES ${LIBGPGME_LIBRARIES} ADD_TEST)
+add_plugin (gpgme SOURCES ${GPGME_SOURCE_FILES} INCLUDE_DIRECTORIES ${LIBGPGME_INCLUDE_DIRS} LINK_LIBRARIES ${LIBGPGME_LIBRARIES} COMPILE_DEFINITIONS "_FILE_OFFSET_BITS=64" ADD_TEST)