diff --git a/cosmo-kuroko/Dockerfile b/cosmo-kuroko/Dockerfile
index 69e31d2..550bb25 100644
--- a/cosmo-kuroko/Dockerfile
+++ b/cosmo-kuroko/Dockerfile
@@ -26,21 +26,21 @@ WORKDIR /kuroko
 RUN : \
  && sed -i '/bind(gamma)/{N;N;d;}' src/modules/module_math.c \
  && sed -i '/MATH_ONE(gamma)/d' src/modules/module_math.c \
-    \
+\
  && sed -i 's_.*char \*\* environ.*_/* & */_' src/os.c \
-    \
+\
  && sed -i '/FUNC_SIG(list,append)/d' src/vm.c \
  && sed -i '/void _callSetName/i\\extern FUNC_SIG(list,append);' src/vm.c \
-    \
+\
  && sed -i '/static.*cache/c\\static KrkClassCacheEntry * cache = 0;' src/vm.c \
  && sed -i $'/define CACHE_SIZE/,/nextCount/{N;w /temp\nd}' src/vm.c \
  && sed -i $'/void krk_initVM/{r /temp\nN}' src/vm.c \
  && sed -i '/Reset current thread/i\\cache = calloc(CACHE_SIZE, sizeof(KrkClassCacheEntry));' src/vm.c \
  && sed -i '/krk_freeMemoryDebugger/a\\cache = (free(cache), NULL);' src/vm.c \
-    \
+\
  && sed -i '/define gettid/d' src/threads.c \
  && sed -i '/initial-exec/d' src/vm.c \
-    \
+\
  && sed -i $'/Ensure we don\'t have a macro/{\ni\\\
 \#ifdef KRK_DISABLE_DYNAMIC\\\n\
 KrkValue krk_module_onload_math(void);\\\n\
@@ -69,6 +69,8 @@ KrkValue krk_module_onload_wcwidth(void);\\\n\
 \t\tBUILTIN_MODULE("timeit", krk_module_onload_timeit)\\\n\
 \t\tBUILTIN_MODULE("wcwidth", krk_module_onload_wcwidth)\n\
 }' src/vm.c \
+\
+ && sed -i '/netdb\.h/a\#include <netinet/in.h>' src/modules/module_socket.c \
  && sed -i $'/switch (afval)/{\ni\\\
 \tif (afval == AF_INET) return "AF_INET";\\\n\
 \tif (afval == AF_INET6) return "AF_INET6";\\\n\
@@ -77,7 +79,7 @@ KrkValue krk_module_onload_wcwidth(void);\\\n\
 \treturn tmp;\n\
 }\n\
 /switch (afval)/,/}/d' src/modules/module_socket.c \
-    \
+\
  && sed -i $'/strlen(buf)-1/{\n\
 s/if .*/if (buf[buflen-1] == \'\\\\n\') {/\n\
 i\\\
@@ -86,7 +88,20 @@ a\\\
 \t\t\t\t\t\\if (buflen >= 2 && buf[buflen-2] == \'\\\\r\') buf[buflen-2] = \'\\\\n\', buf[buflen-1] = \'\\\\0\';\\\n\
 \t\t\t\t} else {\n\
 }' src/kuroko.c \
-    \
+\
+ && sed -i $'/ifdef KRK_DISABLE_THREADS/i\\\
+ifdef KRK_DISABLE_DYNAMIC\\\n\
+  BIN_OBJS += src/modules/module_math.o src/modules/module_random.o src/modules/module_socket.o src/modules/module_timeit.o src/modules/module_wcwidth.o\\\n\
+  CFLAGS += -DKRK_DISABLE_DYNAMIC -DSTATIC_ONLY\\\n\
+endif\\\n\
+\\\n\
+' Makefile \
+ && sed -i $'/CFLAGS += -DKRK_DISABLE_THREADS/a\\\
+else\\\n\
+  CFLAGS += -DKRK_MEDIOCRE_TLS\\\n\
+\\\n\
+' Makefile \
+\
  && { diff -NrU3 /kuroko.orig/ /kuroko/ > /kuroko.patch; [ $? -le 1 ]; }
 # diff exit status is normally 0 or 1, anything greater is an error.
 
@@ -95,6 +110,7 @@ RUN : \
  && sed -i 's/int main/dontinline int _main/' src/kuroko.c \
  && printf %s $'\n\
 STATIC_YOINK("__die");\n\
+void ShowCrashReports(void);\n\
 int LoadZipArgs(int *, char ***);\n\
 int main(int argc, char * argv[]) {\n\
 \tShowCrashReports();\n\
@@ -103,27 +119,16 @@ int main(int argc, char * argv[]) {\n\
 }\n\
 ' >> src/kuroko.c
 
+RUN tar zxf /cosmopolitan/dist/headers.tar.gz -C /cosmopolitan
+COPY --chmod=0755 --from=localhost/notwa-util /usr/local/bin/cosmocc /usr/bin/
 RUN : \
- && cd /cosmopolitan \
- && . ./env \
- && cd dist/"$flavor" \
- && mkdir -p /kuroko/libcosmo \
- && ln ape-copy-self.o ape.lds cosmopolitan.a crt.o ape-no-modify-self.o ape.o cosmopolitan.h \
-    /kuroko/libcosmo/
-
-COPY super.mk .
-RUN : \
- && CC=x86_64-linux-musl-gcc \
-    make.com -f super.mk -j2 \
-    KRK_DISABLE_RLINE=1 \
-    KRK_DISABLE_DYNAMIC=1 \
-#   KRK_DISABLE_THREADS=1 \
-#   KRK_DISABLE_DEBUG=1 KRK_NO_DISASSEMBLY=1 KRK_NO_TRACING=1 \
-;
-
-RUN : \
- && make.com -f super.mk test \
+ && CC=cosmocc CFLAGS="-Os -g" AR=ar.com ARFLAGS=rcsD \
+    make.com kuroko modules/codecs/sbencs.krk modules/codecs/dbdata.krk \
+    -j2 KRK_DISABLE_RLINE=1 KRK_DISABLE_DYNAMIC=1 \
+ && cp kuroko kuroko.com.dbg \
+ && objcopy -S -O binary kuroko.com.dbg kuroko.com \
 ;
+RUN make.com test
 
 FROM scratch AS runner
 COPY --chmod=0755 --from=localhost/notwa-util /usr/local/bin/busybox /bin/busybox
diff --git a/cosmo-kuroko/super.mk b/cosmo-kuroko/super.mk
deleted file mode 100755
index ccb1e9d..0000000
--- a/cosmo-kuroko/super.mk
+++ /dev/null
@@ -1,102 +0,0 @@
-CC ?= gcc
-CFLAGS = -Isrc -Os -fdiagnostics-color=always -fmax-errors=5
-LDFLAGS = 
-LDLIBS = 
-
-COSMO_LIBDIR = ./libcosmo
-
-COSMO_PREFLAGS = -g -static -nostdlib -nostdinc -fno-pie -no-pie -mno-red-zone
-COSMO_PREFLAGS += -fno-omit-frame-pointer -pg -mnop-mcount -mno-tls-direct-seg-refs
-COSMO_PREFLAGS += -include $(COSMO_LIBDIR)/cosmopolitan.h -Idummy
-
-COSMO_POSTFLAGS += -Wl,--gc-sections -fuse-ld=bfd -Wl,--gc-sections
-COSMO_POSTFLAGS += -Wl,-T,$(COSMO_LIBDIR)/ape.lds
-COSMO_POSTFLAGS += $(COSMO_LIBDIR)/crt.o $(COSMO_LIBDIR)/ape-no-modify-self.o $(COSMO_LIBDIR)/cosmopolitan.a
-
-COSMO_FILES = $(COSMO_LIBDIR)/ape-copy-self.o $(COSMO_LIBDIR)/ape-no-modify-self.o
-COSMO_FILES += $(COSMO_LIBDIR)/ape.lds $(COSMO_LIBDIR)/ape.o $(COSMO_LIBDIR)/crt.o
-COSMO_FILES += $(COSMO_LIBDIR)/cosmopolitan.a $(COSMO_LIBDIR)/cosmopolitan.h
-
-DUMMY_HEADERS = arpa/inet.h assert.h dirent.h dlfcn.h errno.h fcntl.h inttypes.h limits.h locale.h math.h netdb.h pthread.h sched.h signal.h stdarg.h stddef.h stdint.h stdio.h stdlib.h string.h sys/ioctl.h sys/socket.h sys/stat.h sys/syscall.h sys/time.h sys/types.h sys/utsname.h termios.h time.h unistd.h wchar.h
-DUMMY_MISSING = $(foreach header,$(DUMMY_HEADERS),$(if $(wildcard dummy/$(header)),,dummy/$(header)))
-
-TARGET   = kuroko
-OBJS     = $(patsubst %.c, %.o, $(filter-out src/kuroko.c,$(sort $(wildcard src/*.c))))
-HEADERS  = $(wildcard src/kuroko/*.h)
-GENMODS  = modules/codecs/sbencs.krk modules/codecs/dbdata.krk
-
-ifdef KRK_DISABLE_DOCS
-  CFLAGS += -DKRK_NO_DOCUMENTATION -Wno-unused-value
-endif
-
-ifndef KRK_DISABLE_RLINE
-  BIN_OBJS += src/vendor/rline.o
-else
-  CFLAGS  += -DNO_RLINE
-endif
-
-ifdef KRK_DISABLE_DEBUG
-  CFLAGS  += -DKRK_DISABLE_DEBUG
-endif
-
-ifdef KRK_DISABLE_DYNAMIC
-  BIN_OBJS += src/modules/module_math.o src/modules/module_random.o src/modules/module_socket.o src/modules/module_timeit.o src/modules/module_wcwidth.o
-  CFLAGS += -DKRK_DISABLE_DYNAMIC -DSTATIC_ONLY
-endif
-
-ifdef KRK_DISABLE_THREADS
-  CFLAGS += -DKRK_DISABLE_THREADS
-else
-  CFLAGS += -DKRK_MEDIOCRE_TLS
-endif
-
-ifdef KRK_NO_DISASSEMBLY
-  CFLAGS += -DKRK_NO_DISASSEMBLY=1
-endif
-
-ifdef KRK_NO_TRACING
-  CFLAGS += -DKRK_NO_TRACING=1
-endif
-
-ifdef KRK_NO_STRESS_GC
-  CFLAGS += -DKRK_NO_STRESS_GC=1
-endif
-
-HEADERS += $(COSMO_LIBDIR)/cosmopolitan.h
-BIN_OBJS += $(OBJS)
-
-all: $(TARGET).com $(GENMODS)
-
-dummy/%.h:
-	mkdir -p dummy && touch $@
-
-dummy/arpa/%.h:
-	mkdir -p dummy/arpa && touch $@
-
-dummy/sys/%.h:
-	mkdir -p dummy/sys && touch $@
-
-%.o: %.c $(HEADERS) $(DUMMY_MISSING)
-	$(CC) $(CFLAGS) $(COSMO_PREFLAGS) -c -o $@ $<
-
-$(TARGET).com.dbg: src/$(TARGET).c $(BIN_OBJS) $(HEADERS) $(DUMMY_MISSING)
-	$(CC) $(CFLAGS) $(LDFLAGS) $(COSMO_PREFLAGS) -o $@ $< $(BIN_OBJS) $(LDLIBS) $(COSMO_POSTFLAGS)
-
-$(TARGET).com: $(TARGET).com.dbg
-	objcopy -S -O binary $< $@
-
-.PHONY: test
-test:
-	@for i in test/*.krk; do echo $$i; KUROKO_TEST_ENV=1 $(TESTWRAPPER) ./$(TARGET).com.dbg $$i > $$i.actual; diff $$i.expect $$i.actual || exit 1; rm $$i.actual; done
-
-.PHONY: clean
-clean:
-	-rm -f $(OBJS) $(TARGET).com $(TARGET).com.dbg src/*.o src/vendor/*.o
-
-# special cases:
-
-modules/codecs/sbencs.krk: tools/codectools/gen_sbencs.krk tools/codectools/encodings.json tools/codectools/indexes.json | $(TARGET).com.dbg
-	./$(TARGET).com.dbg tools/codectools/gen_sbencs.krk
-
-modules/codecs/dbdata.krk: tools/codectools/gen_dbdata.krk tools/codectools/encodings.json tools/codectools/indexes.json | $(TARGET).com.dbg
-	./$(TARGET).com.dbg tools/codectools/gen_dbdata.krk
diff --git a/notwa-util/cosmocc b/notwa-util/cosmocc
index 93b441b..266e289 100755
--- a/notwa-util/cosmocc
+++ b/notwa-util/cosmocc
@@ -39,8 +39,8 @@ for x in "$@"; do
 ''
         exit 0
     elif is_in "$x" \
-        -fomit-frame-pointer -fPIC -lc -lc_r -lcma -lgcc -lm \
-        -lpthread -lpthreads -lresolv -lrt -lunwind -lutil \
+        -fomit-frame-pointer -fPIC -lc -lc_r -lcma -ldl -lgcc \
+        -lm -lpthread -lpthreads -lresolv -lrt -lunwind -lutil \
         -Wl,-Bdynamic -Wl,-Bstatic
     then continue
     elif [ "$x" = -c ]; then