polypaudio fails to compile when built with make -jn, n > 1.
Example:
/bin/sh ../libtool --tag=CC --mode=link i686-pc-linux-gnu-gcc -I../src -pthread -D_POSIX_PTHREAD_SEMANTICS -DDLSEARCHPATH=\"/usr/lib/polypaudio-0.9/modules/\" -DDEFAULT_CONFIG_DIR=\"/etc/polypaudio\" -DPOLYPAUDIO_BINARY=\"/usr/bin/polypaudio\" '-DDEBUG_TRAP=asm("int $3")' -ggdb -O1 -O2 -O3 -pipe -march=athlon-xp -mmmx -msse -m3dnow -std=gnu99 -Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -no-undefined -o pacat-simple -no-undefined pacat_simple-pacat-simple.o libpolyp.la libpolyp-simple.la -ldl -lm
i686-pc-linux-gnu-gcc -I../src -pthread -D_POSIX_PTHREAD_SEMANTICS -DDLSEARCHPATH=\"/usr/lib/polypaudio-0.9/modules/\" -DDEFAULT_CONFIG_DIR=\"/etc/polypaudio\" -DPOLYPAUDIO_BINARY=\"/usr/bin/polypaudio\" "-DDEBUG_TRAP=asm(\"int \$3\")" -ggdb -O1 -O2 -O3 -pipe -march=athlon-xp -mmmx -msse -m3dnow -std=gnu99 -Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wcast-align -Wwrite-strings -Winline -Wno-unused-parameter -o .libs/pacat-simple pacat_simple-pacat-simple.o ./.libs/libpolyp.so ./.libs/libpolyp-simple.so -ldl -lm
creating pacat-simple
libtool: link: cannot find the library libiochannel.la' or unhandled argument libiochannel.la'
make[3]: *** [polypaudio] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/var/tmp/portage/polypaudio-0.9.0/work/polypaudio-0.9.0/src'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/var/tmp/portage/polypaudio-0.9.0/work/polypaudio-0.9.0/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/polypaudio-0.9.0/work/polypaudio-0.9.0'
make: *** [all] Error 2