From db3fdda53f16644181a6c68b3e9152af9b300066 Mon Sep 17 00:00:00 2001
From: Felix Perktold <Felix.Perktold@student.uibk.ac.at>
Date: Sun, 18 Jan 2026 15:47:48 +0100
Subject: add module system to load .so with load_module builtin

---
 Makefile | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 6feb95e..d574b4e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,12 @@
 LEX     = flex
 YACC    = bison
 CC      = gcc -g
-CFLAGS  = -DYYDEBUG=1
+CFLAGS  = -DYYDEBUG=1 -fPIC
 LIBS    = -lreadline -lfl -lm
 OBJS	= lisp.o lisp.tab.o lex.yy.o
+
+MODULE_SRC = $(wildcard modules/*.c)
+MODULE_SO = $(MODULE_SRC:.c=.so)
 .SUFFIXES:
 
 main: main.c $(OBJS)
@@ -25,7 +28,7 @@ lex.yy.o: lex.yy.c
 	$(CC) $(CFLAGS) -c lex.yy.c
 
 clean:
-	rm -f *.o main test lisp.tab.c lisp.tab.h lex.yy.c lex.yy.h
+	rm -f *.o main test lisp.tab.c lisp.tab.h lex.yy.c lex.yy.h modules/*.so
 
 test: test.o $(OBJS)
 	$(CC) $(CFLAGS) -o $@ test.o $(OBJS) $(LIBS)
@@ -40,4 +43,12 @@ run: main
 run_std: main
 	./main lisp/standard_functions.lisp
 
+modules: $(MODULE_SO)
+	@echo "All modules built successfully."
+
+modules/%.so: modules/%.c lisp.o
+	gcc -fPIC -c $< -o $*.o
+	gcc -fPIC -shared $*.o lisp.o -o $@
+	rm $*.o
+
 .PHONY: clean test run
-- 
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