Enforce C11 via Makefile, explicate POSIX dependencies in source files.

[plomrogue] / Makefile

diff --git a/Makefile b/Makefile
index 2107e0844173524c8d4cf5cc1ce07a21bbe2e517..96c3aca017841681d83132c3a49771eb9c4707d2 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,42 @@
-CC=cc
-CFLAGS=-Wall -g
-TARGET=roguelike
-OBJECTS=windows.o draw_wins.o keybindings.o readwrite.o roguelike.o
+CC=gcc
+CFLAGS=-std=c11 -pedantic-errors -Wall -Werror -Wextra -Wformat-security -g
+TARGET_SERVER=roguelike-server
+TARGET_CLIENT=roguelike-client
+SRCDIR=src
+BUILDDIR=build
+SERVERDIR=server
+CLIENTDIR=client
+COMMONDIR=common
 
-roguelike: $(OBJECTS)
-       $(CC) $(CFLAGS) -o roguelike $(OBJECTS) -lncurses
+# Build object file lists by building object paths from all source file paths.
+SOURCES_SERVER=$(shell find $(SRCDIR)/$(SERVERDIR)/ -type f -name \*.c)
+SOURCES_CLIENT=$(shell find $(SRCDIR)/$(CLIENTDIR)/ -type f -name \*.c)
+SOURCES_COMMON=$(shell find $(SRCDIR)/$(COMMONDIR)/ -type f -name \*.c)
+OBJECTS_SERVER=$(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES_SERVER:.c=.o))
+OBJECTS_CLIENT=$(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES_CLIENT:.c=.o))
+OBJECTS_COMMON=$(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES_COMMON:.c=.o))
 
-%.o: %.c
+# "make" without further specifications builds both server and client.
+default : $(TARGET_SERVER) $(TARGET_CLIENT)
+
+# "make roguelike-server" builds only the server.
+$(TARGET_SERVER) : $(OBJECTS_SERVER) $(OBJECTS_COMMON)
+       $(CC) $(CFLAGS) -o $(TARGET_SERVER) $(OBJECTS_SERVER) $(OBJECTS_COMMON)
+
+# "make roguelike-client" builds only the ncurses client.
+$(TARGET_CLIENT) : $(OBJECTS_CLIENT) $(OBJECTS_COMMON)
+       $(CC) $(CFLAGS) -o $(TARGET_CLIENT) $(OBJECTS_CLIENT) $(OBJECTS_COMMON)\
+        -lncurses
+
+# Build respective object file to any source file. Create build dirs as needed.
+$(BUILDDIR)/%.o : $(SRCDIR)/%.c
+       mkdir -p $(@D)
        $(CC) $(CFLAGS) -c $< -o $@
 
-clean:
-       rm $(OBJECTS); rm roguelike
+# "make clean" to try to delete all files that could possibly have been built.
+# Declare target "phony", i.e. this is not about building a file.
+.PHONY : clean
+clean :
+       rm -rf $(BUILDDIR)
+       rm -f $(TARGET_SERVER)
+       rm -f $(TARGET_CLIENT)