Index: head/biology/ncbi-blast+/Makefile
===================================================================
--- head/biology/ncbi-blast+/Makefile
+++ head/biology/ncbi-blast+/Makefile
@@ -26,6 +26,8 @@
 		src/app/blast/update_blastdb.pl \
 		src/app/winmasker/windowmasker_2.2.22_adapter.py
 
+MAKE_JOBS_UNSAFE=	yes
+
 # Requires openmp
 USE_GCC=	yes
 USE_LDCONFIG=	yes