Index: gnupg-2.1.8/tests/openpgp/Makefile.am
===================================================================
--- gnupg-2.1.8/tests/openpgp/Makefile.am
+++ gnupg-2.1.8/tests/openpgp/Makefile.am
@@ -23,7 +23,7 @@
 required_pgms = ../../g10/gpg2 ../../agent/gpg-agent \
                 ../../tools/gpg-connect-agent ../../tools/mk-tdata
 
-TESTS_ENVIRONMENT = GNUPGHOME=$(abs_builddir) GPG_AGENT_INFO= LC_ALL=C
+TESTS_ENVIRONMENT = GNUPGHOME=`/bin/pwd` GPG_AGENT_INFO= LC_ALL=C
 
 # Note: version.test needs to be the first test to run and finish.test
 # the last one