put object files into build directory

Makefile

@@ -7,26 +7,27 @@ YL_LDLIBS = -llua -lyaml -lm -largp
 .PHONY: all
 all: main.out
 
-main.out: environment.o error.o event.o executor.o main.o parser.o render.o test.o
-	$(CC) $(ALL_CFLAGS) $^ $(YL_LDFLAGS) $(YL_LDLIBS) -o main.out
+main.out: build/environment.o build/error.o build/event.o build/executor.o build/main.o build/parser.o build/render.o build/test.o
+	$(CC) $(ALL_CFLAGS) $^ $(YL_LDFLAGS) $(YL_LDLIBS) -o $@
 
-%.o: %.c 
-	$(CC) $(ALL_CFLAGS) -c $<
+build/%.o: %.c
+	mkdir -p build
+	$(CC) $(ALL_CFLAGS) -c $< -o $@
 
-deps.mk: *.c *.h
-	./deps.sh >deps.mk
+deps.mk: *.c *.h deps.sh
+	./deps.sh >$@
 include deps.mk
 
 lua:
-	mkdir -p lua
-	curl https://www.lua.org/ftp/lua-5.4.6.tar.gz | tar xvzC lua --strip-components=1
+	mkdir -p $@
+	curl https://www.lua.org/ftp/lua-5.4.6.tar.gz | tar xvzC $@ --strip-components=1
 
 lua/install: lua
 	cd lua && make all local
 
 libyaml:
-	mkdir -p libyaml
-	curl https://pyyaml.org/download/libyaml/yaml-0.2.5.tar.gz | tar xvzC libyaml --strip-components=1
+	mkdir -p $@
+	curl https://pyyaml.org/download/libyaml/yaml-0.2.5.tar.gz | tar xvzC $@ --strip-components=1
 
 libyaml/Makefile: libyaml
 	cd libyaml && ./configure --prefix="${CURDIR}/libyaml/install"
@@ -38,4 +39,4 @@ libyaml/install: libyaml/Makefile
 
 .PHONY: clean
 clean:
-	rm -rf lua libyaml *.o *.out
+	rm -rf lua libyaml build *.o *.out

deps.mk

@@ -1,8 +1,8 @@
-environment.o: environment.h lua/install
-error.o: error.h libyaml/install
-event.o: error.h event.h executor.h libyaml/install lua/install parser.h render.h
-executor.o: error.h event.h executor.h libyaml/install lua/install parser.h
-main.o: environment.h error.h event.h executor.h libyaml/install lua/install parser.h render.h test.h
-parser.o: error.h libyaml/install parser.h
-render.o: error.h event.h executor.h libyaml/install lua/install parser.h render.h
-test.o: error.h event.h executor.h libyaml/install lua/install parser.h render.h test.h
+build/environment.o: environment.h lua/install
+build/error.o: error.h libyaml/install
+build/event.o: error.h event.h executor.h libyaml/install lua/install parser.h render.h
+build/executor.o: error.h event.h executor.h libyaml/install lua/install parser.h
+build/main.o: environment.h error.h event.h executor.h libyaml/install lua/install parser.h render.h test.h
+build/parser.o: error.h libyaml/install parser.h
+build/render.o: error.h event.h executor.h libyaml/install lua/install parser.h render.h
+build/test.o: error.h event.h executor.h libyaml/install lua/install parser.h render.h test.h

deps.sh

@@ -25,5 +25,5 @@ function dependencies() {
 }
 
 for file in *.c; do
-    echo "${file/%.c/.o}:" $(dependencies "$file" | sort | uniq)
+    echo "build/${file/%.c/.o}:" $(dependencies "$file" | sort | uniq)
 done