gpgconf appears to be broken in v2.1.10. This command worked fine in v2.1.9.
>> gpgconf --launch gpg-agent
but for 2.1.10.
>> gpgconf --launch gpg-agent
gpgconf: error running '/usr/local/bin/gpg-connect-agent': exit status 1
gpgconf: error running '/usr/local/bin/gpg-connect-agent NOP': General error
>> echo $?
1
This might be useful for debugging.
command used for generated Makefile
>> ./configure --prefix=/usr/local --build=x86_64-pc-linux-gnu
>> gpgconf --version
gpgconf (GnuPG) 2.1.10
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
>> gpg-connect-agent --version
gpg-connect-agent (GnuPG) 2.1.10
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Home: ~/.gnupg
>> uname -a
Linux kuro 4.2.0-22-generic #27-Ubuntu SMP Thu Dec 17 22:57:08 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux
>> libassuan-config --version
2.4.2
>> libgcrypt-config --version
1.6.3
>> lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 15.10
Release: 15.10
Codename: wily