The ODE static library requires it.
#verbose "$SELF" release-getbinary Xonotic/xonotic-linux64-dedicated || good=false
#$good
verbose "$SELF" release-compile linux64 \
- 'STRIP=: CC="gcc -m64 -g1 -I../../../.deps/include -L../../../.deps/lib -DSUPPORTIPV6" DP_LINK_CRYPTO=shared LIB_CRYPTO="../../../.deps/lib/libd0_blind_id.a ../../../.deps/lib/libgmp.a" DP_LINK_CRYPTO_RIJNDAEL=dlopen DP_LINK_JPEG=shared LIB_JPEG=/usr/lib/x86_64-linux-gnu/libjpeg.a DP_LINK_ODE=shared CFLAGS_ODE="-DUSEODE -DLINK_TO_LIBODE -DdDOUBLE" LIB_ODE="../../../.deps/lib/libode.a -lstdc++" DP_LINK_ZLIB=shared' \
+ 'STRIP=: CC="gcc -m64 -g1 -I../../../.deps/include -L../../../.deps/lib -DSUPPORTIPV6" DP_LINK_CRYPTO=shared LIB_CRYPTO="../../../.deps/lib/libd0_blind_id.a ../../../.deps/lib/libgmp.a" DP_LINK_CRYPTO_RIJNDAEL=dlopen DP_LINK_JPEG=shared LIB_JPEG=/usr/lib/x86_64-linux-gnu/libjpeg.a DP_LINK_ODE=shared CFLAGS_ODE="-DUSEODE -DLINK_TO_LIBODE -DdDOUBLE" LIB_ODE="../../../.deps/lib/libode.a -lstdc++ -pthread" DP_LINK_ZLIB=shared' \
release 'darkplaces-glx:Xonotic/xonotic-linux64-glx darkplaces-sdl:Xonotic/xonotic-linux64-sdl darkplaces-dedicated:Xonotic/xonotic-linux64-dedicated'
;;
release-engine)