First cut on a Makefile

Makefile

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+# Check the OS type
+OSTYPE := $(shell uname -s)
+
+# Some plattforms call it "amd64" and some "x86_64"
+ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/amd64/x86_64/)
+
+# Refuse all other plattforms as a firewall against PEBKAC
+# (You'll need some #ifdef for your unsupported  plattform!)
+ifneq ($(ARCH),i386)
+ifneq ($(ARCH),x86_64)
+$(error arch $(ARCH) is currently not supported)
+endif
+endif
+
+# ----------
+
+# The compiler
+CC := gcc
+
+# ---------- 
+
+# Base CFLAGS. 
+#
+# -O2 are enough optimizations.
+# 
+# -fno-strict-aliasing since the source doesn't comply
+#  with strict aliasing rules and it's next to impossible
+#  to get it there...
+#
+# -fomit-frame-pointer since the framepointer is mostly
+#  useless for debugging Quake II and slows things down.
+#
+# -g to build allways with debug symbols. Please do not
+#  change this, since it's our only chance to debug this
+#  crap when random crashes happen!
+#
+# -MMD to generate header dependencies.
+CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
+		  -Wall -pipe -g -MMD
+
+# ----------
+
+# Base include path.
+ifeq ($(OSTYPE),Linux)
+INCLUDE := -I/usr/include -I./common
+else ifeq ($(OSTYPE),FreeBSD)
+INCLUDE := -I/usr/local/include -I./common
+endif
+
+# ----------
+
+# When make is invoked by "make VERBOSE=1" print
+# the compiler and linker commands.
+
+ifdef VERBOSE
+Q :=
+else
+Q := @
+endif 
+
+# ---------- 
+
+# Builds everything
+all: qdata1
+	
+# ---------- 
+
+# Cleanup
+clean:
+	@echo "===> CLEAN"
+	${Q}rm -Rf build release
+ 
+# ----------
+
+# qdata
+qdata1:
+	@echo '===> Building qdata'
+	${Q}mkdir -p release
+	$(MAKE) release/qdata
+
+build/qdata/%.o: %.c
+	@echo '===> CC $<'
+	${Q}mkdir -p $(@D)
+	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
+
+# ----------
+
+# Used by qdata
+QDATA_OBJS_ = \
+		common/cmdlib.o \
+		common/scriplib.o \
+		common/lbmlib.o \
+		common/mathlib.o \
+		common/trilib.o \
+		common/l3dslib.o \
+		common/threads.o \
+		qdata/qdata.o \
+        qdata/models.o \
+		qdata/sprites.o \
+		qdata/images.o \
+		qdata/tables.o
+
+# ----------
+
+# Rewrite pathes to our object directory
+QDATA_OBJS = $(patsubst %,build/qdata/%,$(QDATA_OBJS_))
+
+# ----------
+
+# Generate header dependencies
+QDATA_DEPS= $(QDATA_OBJS:.o=.d)
+
+# ----------
+
+-include $(QDATA_DEPS) 
+
+# ----------
+
+# release/qdata
+release/qdata : $(QDATA_OBJS) 
+	@echo '===> LD $@'
+	${Q}$(CC) $(QDATA_OBJS) $(LDFLAGS) -o $@
+