LINKFLAGS += -Wl,--export-dynamic
OS_LIBS = -ldl
+OS_LIBS += $(shell if grep LISP_FEATURE_SB_THREAD genesis/config.h \
+ > /dev/null 2>&1; \
+ then echo "-lpthread"; fi)
+
GC_SRC = gencgc.c
+# Nothing to do for after-grovel-headers.
+.PHONY: after-grovel-headers
+after-grovel-headers: