-sqlite/shell.o: sqlite/shell.c sqlite/config.h
- $(CC) -Wall -std=c99 -Ilib -D_POSIX_C_SOURCE=200112L -D_HAVE_SQLITE_CONFIG_H=1 -c -o $@ $<
+sqlite/extensions.o: sqlite/extensions.c
+ $(CC) -O3 -Wall -std=c99 -I. -DSQLITE_CORE=1 -c -o $@ $<
+
+sqlite/shell.o: sqlite/shell.c sqlite/config.h Makefile
+ $(CC) -Wall -std=c99 -Ilib \
+ -DSQLITE_OMIT_LOAD_EXTENSION=1 \
+ '-DSQLITE_SHELL_INIT_PROC(x)=zpm_setup_extensions(x)' \
+ -D_POSIX_C_SOURCE=200112L -c -o $@ $<