Finalize generation and compilation of C code.

C/Makefile

@@ -9,11 +9,12 @@ all: headers sources
 headers: 
 	make -C include
 
-sources:
+sources: headers
 	make -C src sources
 
 build:
 	mkdir -p $(BUILD_DIR)
+	make -C src build
 
 clean:
 	make -C include clean

C/src/Makefile

@@ -2,16 +2,39 @@ PY=python
 GEN=../../scripts/gen_c.py
 
 AST_DIR=../../data
+CBUILD_DIR = ../build
 
 AST_SRC=$(wildcard $(AST_DIR)/*.toml)
 C_SRC = codata_constants_2010.c codata_constants_2014.c codata_constants_2018.c codata_constants_2022.c 
+C_OBJ=$(patsubst %.c, $(CBUILD_DIR)/%.o, $(C_SRC))
+DLIB=$(CBUILD_DIR)/$(LIBNAME)$(EXT)
 
 .PHONY: clean
 
 all: sources
 
-sources: $(SRC)
+sources: $(C_SRC)
+
+build: $(C_OBJ) $(DLIB)
 
 codata_constants_2010.c: $(AST_DIR)/codata_2010.toml
 	$(PY) $(GEN) $< $@
 
+codata_constants_2014.c: $(AST_DIR)/codata_2014.toml
+	$(PY) $(GEN) $< $@
+
+codata_constants_2018.c: $(AST_DIR)/codata_2018.toml
+	$(PY) $(GEN) $< $@
+
+codata_constants_2022.c: $(AST_DIR)/codata_2022.toml
+	$(PY) $(GEN) $< $@
+
+$(CBUILD_DIR)/%.o: %.c
+	gcc -c -I ../include $(CFLAGS_RELEASE) $(FPM_CFLAGS) $< -o $@
+
+$(CBUILD_DIR)/$(LIBNAME)$(EXT): $(C_OBJ)
+	gcc -shared $(C_OBJ) -o $@
+
+clean:
+	rm -rf $(C_SRC)
+	rm -rf $(CBUILD_DIR)/*