Hi there. I've seen gmime related discussion but it's hard to follow using a web interface, so here's my bug report. Arch Linux x86_64 gmime 2.6.4 notmuch git, last commit: 8ea82928b91e847298e4586f9db9734e727a418a Build error: CC -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 command-line-arguments.o CC -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=2 debugger.o In file included from debugger.c:21:0: notmuch-client.h:72:5: error: unknown type name ‘GMimeSignatureValidity’ notmuch-client.h:86:5: error: unknown type name ‘GMimeCipherContext’ notmuch-client.h:297:5: error: unknown type name ‘GMimeSignatureValidity’ notmuch-client.h:322:3: error: unknown type name ‘GMimeCipherContext’ make: *** [debugger.o] Error 1 Regards, Philipp