[gpgme] 1.7 build experience and issues

[Alon Bar-Lev]

BTW: Any reason these are checked into git?
These are auto generated.
INSTALL can be removed from generation by AUTOMAKE_OPTIONS=foreign in
top Makefile.am or AM_INIT_AUTOMAKE parameter.

        modified:   INSTALL
        modified:   build-aux/compile
        modified:   build-aux/config.guess
        modified:   build-aux/config.sub
        modified:   build-aux/depcomp
        modified:   build-aux/install-sh
        modified:   build-aux/ltmain.sh
        modified:   build-aux/missing
        modified:   build-aux/mkinstalldirs
        modified:   build-aux/texinfo.tex
        modified:   m4/libtool.m4
        modified:   m4/ltoptions.m4
        modified:   m4/ltsugar.m4
        modified:   m4/ltversion.m4
        modified:   m4/lt~obsolete.m4