dev-libs/libusb install is not multijob safe on bsd userland, i suggest to use
make install or emake -j1 install
>>> Install libusb-0.1.12 into /var/tmp/portage/dev-libs/libusb-0.1.12/image/ category dev-libs
Making install in .
gmake[1]: Entering directory
`/var/tmp/portage/dev-libs/libusb-0.1.12/work/libusb-0.1.12'
gmake[2]: Entering directory
`/var/tmp/portage/dev-libs/libusb-0.1.12/work/libusb-0.1.12'
test -z "/usr/bin" || ./install-sh -c -d
"/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/bin"
test -z "/usr/lib" || ./install-sh -c -d
"/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib"
test -z "/usr/include" || ./install-sh -c -d
"/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/include"
test -z "/usr/include" || ./install-sh -c -d
"/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/include"
mkdir: /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/include: File exists
gmake[2]: *** [install-includeHEADERS] Error 1
gmake[2]: *** Waiting for unfinished jobs....
/usr/bin/install -c 'libusb-config'
'/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/bin/libusb-config'
/bin/bash ./libtool --mode=install /usr/bin/install -c 'libusb.la'
'/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusb.la'
/usr/bin/install -c -m 644 'usb.h'
'/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/include/usb.h'
/usr/bin/install -c .libs/libusb-0.1.so.4.4.4
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusb-0.1.so.4.4.4
(cd /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib && { ln -s -f
libusb-0.1.so.4.4.4 libusb-0.1.so.4 || { rm -f libusb-0.1.so.4 && ln -s
libusb-0.1.so.4.4.4 libusb-0.1.so.4; }; })
(cd /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib && { ln -s -f
libusb-0.1.so.4.4.4 libusb.so || { rm -f libusb.so && ln -s libusb-0.1.so.4.4.4
libusb.so; }; })
/usr/bin/install -c .libs/libusb.lai
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusb.la
/usr/bin/install -c .libs/libusb.a
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusb.a
chmod 644 /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusb.a
i686-gentoo-freebsd6.2-ranlib
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusb.a
libtool: install: warning: remember to run `libtool --finish /usr/lib'
/bin/bash ./libtool --mode=install /usr/bin/install -c 'libusbpp.la'
'/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusbpp.la'
libtool: install: warning: relinking `libusbpp.la'
(cd /var/tmp/portage/dev-libs/libusb-0.1.12/work/libusb-0.1.12; /bin/bash
./libtool --tag=CXX --mode=relink i686-gentoo-freebsd6.2-g++ -O2
-march=athlon-xp -pipe -version-info 8:4:4 -release 0.1 -export-dynamic -lusb
-Wl,-O1 -o libusbpp.la -rpath /usr/lib usbpp.lo -inst-prefix-dir
/var/tmp/portage/dev-libs/libusb-0.1.12/image/)
i686-gentoo-freebsd6.2-g++ -shared -nostdlib
/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1/../../../crti.o
/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1/crtbeginS.o .libs/usbpp.o
-L/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib -L/usr/lib -lusb
-L/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1
-L/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1/../../../../i686-gentoo-freebsd6.2/lib
-L/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1/../../.. -lstdc++ -lm -lgcc_s
/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1/crtendS.o
/usr/lib/gcc/i686-gentoo-freebsd6.2/4.1.1/../../../crtn.o -march=athlon-xp
-Wl,-O1 -Wl,-soname -Wl,libusbpp-0.1.so.4 -o .libs/libusbpp-0.1.so.4.4.4
/usr/bin/install -c .libs/libusbpp-0.1.so.4.4.4T
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusbpp-0.1.so.4.4.4
(cd /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib && { ln -s -f
libusbpp-0.1.so.4.4.4 libusbpp-0.1.so.4 || { rm -f libusbpp-0.1.so.4 && ln -s
libusbpp-0.1.so.4.4.4 libusbpp-0.1.so.4; }; })
(cd /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib && { ln -s -f
libusbpp-0.1.so.4.4.4 libusbpp.so || { rm -f libusbpp.so && ln -s
libusbpp-0.1.so.4.4.4 libusbpp.so; }; })
/usr/bin/install -c .libs/libusbpp.lai
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusbpp.la
/usr/bin/install -c .libs/libusbpp.a
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusbpp.a
chmod 644 /var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusbpp.a
i686-gentoo-freebsd6.2-ranlib
/var/tmp/portage/dev-libs/libusb-0.1.12/image//usr/lib/libusbpp.a
libtool: install: warning: remember to run `libtool --finish /usr/lib'
gmake[2]: Leaving directory
`/var/tmp/portage/dev-libs/libusb-0.1.12/work/libusb-0.1.12'
gmake[1]: *** [install-am] Error 2
gmake[1]: Leaving directory
`/var/tmp/portage/dev-libs/libusb-0.1.12/work/libusb-0.1.12'
gmake: *** [install-recursive] Error 1
!!! ERROR: dev-libs/libusb-0.1.12 failed.
Call stack:
ebuild.sh, line 1569: Called dyn_install
ebuild.sh, line 1023: Called src_install
libusb-0.1.12.ebuild, line 43: Called die
!!! make install failed
!!! If you need support, post the topmost build error, and the call stack if
relevant.