X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=Makefile;h=56a158c56c346e524046b30dbd3c89ca4ed2ded4;hb=714bf970109b33005e0ab3e588d818460ccdc304;hp=bedecc0347db339e26f8f7a35a48db37bf3a1fc9;hpb=e4208c726efd55a3a5ff2be966d3fbd7d38ba9e3;p=plomrogue

diff --git a/Makefile b/Makefile
index bedecc0..56a158c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,26 @@
-CC=cc
-CFLAGS=-Wall -g
 TARGET=roguelike
-SOURCES=$(shell find . -type f -name \*.c)
-OBJECTS=$(SOURCES:.c=.o)
+SRCDIR=src
+BUILDDIR=build
+CC=gcc
+CFLAGS=-Wall -g
 
-roguelike: $(OBJECTS)
-	$(CC) $(CFLAGS) -o roguelike $(OBJECTS) -lncurses
+# Use all .c files below SRCDIR for sources. Build object file paths by
+# replacing SRCDIR with BUILDDIR and .c endings with .o endings.
+SOURCES=$(shell find $(SRCDIR)/ -type f -name \*.c)
+OBJECTS=$(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.c=.o))
 
-%.o: %.c
-	$(CC) $(CFLAGS) -c $< -o $@
+# Linking TARGET demands generation of all OBJECTS files. To build them,
+# rely on this rule: Each file of path BUILDDIR/[name].o is compiled
+# from a file of path SRCDIR/[name].c. Build BUILDDIR as needed.
+$(TARGET): $(OBJECTS)
+	$(CC) $(CFLAGS) -o roguelike $(OBJECTS) -lncurses
+$(BUILDDIR)/%.o: $(SRCDIR)/%.c
+	mkdir -p $(BUILDDIR); $(CC) $(CFLAGS) -c $< -o $@
 
+# Use "clean" to delete build and target files. Tell make that "clean"
+# is a "phony" target, i.e. this is not about building a file.
 .PHONY: clean
 clean:
-	rm $(OBJECTS); rm roguelike
+	rm $(OBJECTS)
+	rmdir $(BUILDDIR)
+	rm $(TARGET)