Open to suggestions on what to check.
FYI: no problems with make check of gnupg-1.4.18
root@x065:[/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0]make check
Making check in m4
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/m4'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/m4'
Making check in gl
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/gl'
make check-am
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/gl'
make[2]: Nothing to be done for `check-am'.
make[2]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/gl'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/gl'
Making check in common
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/common'
make check-am
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/common'
make check-TESTS
make[3]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/common'
PASS: t-stringhelp
PASS: t-timestuff
PASS: t-convert
PASS: t-percent
PASS: t-gettime
PASS: t-sysutils
PASS: t-sexputil
Known envvars: GPG_TTY(ttyname) TERM(ttytype) DISPLAY(display)
XAUTHORITY(xauthority) XMODIFIERS GTK_IM_MODULE QT_IM_MODULE
PINENTRY_USER_DATA(pinentry-user-data)
PASS: t-session-env
PASS: t-openpgp-oid
PASS: t-ssh-utils
CERT lookup on 'simon.josefsson.org'
Key found (33162 bytes)
PASS: t-dns-cert
PASS: t-mapstrings
PASS: t-zb32
max. file descriptors: 20
open file descriptors: 3
PASS: t-exechelp
All 14 tests passed
make[3]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/common'
make[2]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/common'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/common'
Making check in kbx
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/kbx'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/kbx'
Making check in g10
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/g10'
make check-TESTS
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/g10'
PASS: t-rmd160
1 test passed
make[2]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/g10'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/g10'
Making check in sm
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/sm'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/sm'
Making check in agent
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/agent'
make check-TESTS
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/agent'
PASS: t-protect
1 test passed
make[2]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/agent'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/agent'
Making check in scd
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/scd'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/scd'
Making check in g13
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/g13'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/g13'
Making check in dirmngr
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/dirmngr'
make check-am
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/dirmngr'
make[2]: Nothing to be done for `check-am'.
make[2]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/dirmngr'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/dirmngr'
Making check in tools
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/tools'
make[1]: Nothing to be done for `check'.
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/tools'
Making check in po
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/po'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/po'
Making check in doc
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/doc'
make check-am
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/doc'
make[2]: Nothing to be done for `check-am'.
make[2]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/doc'
make[1]: Leaving directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/doc'
Making check in tests
make[1]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/tests'
Making check in openpgp
make[2]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/tests/openpgp'
make check-TESTS
make[3]: Entering directory `/data/prj/gnu/gcrypt/gnupg/gnupg-2.1.0/tests/openpgp'
version.test: starting the gpg-agent failed
FAIL: version.test
Hash algorithm MD5 is not installed (not an error)
PASS: mds.test
FAIL: decrypt.test
FAIL: decrypt-dsa.test
FAIL: sigs.test
FAIL: sigs-dsa.test
FAIL: encrypt.test
FAIL: encrypt-dsa.test
FAIL: seat.test
FAIL: clearsig.test
FAIL: encryptp.test
FAIL: detach.test
FAIL: armsigs.test
FAIL: armencrypt.test
FAIL: armencryptp.test
FAIL: signencrypt.test
FAIL: signencrypt-dsa.test
FAIL: armsignencrypt.test
FAIL: armdetach.test
FAIL: armdetachm.test
FAIL: detachm.test
FAIL: genkey1024.test
FAIL: conventional.test
> IDEA FAIL: conventional-mdc.test
multisig.test: valid is invalid (sig_sl_valid)
FAIL: multisig.test
verify.test: verify of msg_ols_asc failed
verify.test: verify of msg_cols_asc failed
verify.test: verify of msg_sl_asc failed
verify.test: verify of msg_olsols_asc_multiple failed
verify.test: verify of msg_oolss_asc failed
verify.test: verify of msg_cls_asc failed
verify.test: verify of msg_clss_asc failed
verify.test: verify of msg_clsclss_asc_multiple failed
FAIL: verify.test
armor.test: bug#1179 is back in town
FAIL: armor.test
PASS: import.test
FAIL: ecc.test
PASS: finish.test
27 of 30 tests failed