Disable lto when building sys-cluster/glusterfs

[janlam7]

Title: sys-cluster/glusterfs:

Bulding glusterfs with flto enabled fails with:

libtool: link:  x86_64-pc-linux-gnu-gcc -shared  -fPIC -DPIC  .libs/api_la-glfs-master.o   -Wl,-rpath -Wl,/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/libglusterfs/src/.libs -Wl,-rpath -Wl,/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/rpc/rpc-lib/src/.libs -Wl,-rpath -Wl,/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/rpc/xdr/src/.libs -Wl,-rpath -Wl,/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/api/src/.libs -L/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/libglusterfs/src/.libs -L/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/rpc/rpc-lib/src/.libs -L/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/rpc/xdr/src/.libs -Wl,--as-needed ../../libglusterfs/src/.libs/libglusterfs.so ../../rpc/rpc-lib/src/.libs/libgfrpc.so ../../rpc/xdr/src/.libs/libgfxdr.so ../../api/src/.libs/libgfapi.so -lacl /temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/rpc/rpc-lib/src/.libs/libgfrpc.so /temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/rpc/xdr/src/.libs/libgfxdr.so /temp/mediacenter/portage/sys-cluster/glusterfs-7.1/work/glusterfs-7.1/libglusterfs/src/.libs/libglusterfs.so -ltirpc -lz -lm -luuid -lrt -ldl -lpthread -lcrypto  -mtune=bdver2 -O2 -O3 -flto=2 -fuse-linker-plugin -Wl,-O1 -Wl,--no-undefined -Wl,-O1 -mtune=bdver2 -O2 -O3 -flto=2 -fuse-linker-plugin   -Wl,-soname -Wl,api.so -Wl,-version-script -Wl,.libs/api.ver -o .libs/api.so
/temp/mediacenter/portage/sys-cluster/glusterfs-7.1/temp/api.so.qgr86j.ltrans0.ltrans.o: In function `notify':
<artificial>:(.text+0x1a3): undefined reference to `glfs_subvol_done'
<artificial>:(.text+0x1ad): undefined reference to `glfs_init_done'
<artificial>:(.text+0x23a): undefined reference to `glfs_init_done'
<artificial>:(.text+0x2b7): undefined reference to `glfs_process_upcall_event'

The 7.1 version is not in portage yet, but the 6.5 build from portage fails similarly.

[InBetweenNames]

Thank you!