New makefile + nicer directory structure

Makefile

@@ -1,46 +1,88 @@
-BASE_VERSION=0.1.0
-VERSION="\"$(BASE_VERSION)-$(shell git rev-parse --short HEAD)\""
+# --- START OF CONFIG ---------------------------------------------------
+# Edit the following variables for your own needs
 
-MAGIC_CFLAGS=-DHAVE_MAGIC
-MAGIC_LIBS=-lmagic
+# toolchain configuration
+CXX=gcc
+LD=gcc
 
-CC=gcc
-CFLAGS+=-Wall -pedantic -std=c99 -D_POSIX_C_SOURCE=20120607L -D_FILE_OFFSET_BITS=64 -DVERSION=$(VERSION) $(MAGIC_CFLAGS)
-LIBS=-lmicrohttpd $(MAGIC_LIBS)
+# default build configuration
+# "make BUILD=release" does a release build
+BUILD:=debug
 
-TARGET=fileshare
-SOURCE=main.c logger.c dirlisting.c util.c favicon.c
-DEPS=logger.h templates.h dirlisting.h util.h favicon.h
+# basic build flags configuration
+CFLAGS+=-Wall -Wno-variadic-macros -std=c99 -pedantic -Wno-long-long -D_POSIX_C_SOURCE=20120607L -D_FILE_OFFSET_BITS=64
+LIBS+=
 
-OBJ=$(patsubst %.c, %.o, $(SOURCE))
+# local include directory
+CFLAGS+=-I./include
 
-all: debug
+# library specific flags
+## libmicrohttpd
+CFLAGS+=$(shell pkg-config --cflags libmicrohttpd)
+LIBS+=$(shell pkg-config --libs libmicrohttpd)
+#
+# build type specific flags
+CFLAGS_debug=-O0 -ggdb -DDEBUG
+LIBS_debug=
 
-debug: CFLAGS+=-O0 -ggdb -DDEBUG
-debug: show_cflags $(TARGET)
-	@echo '>>>' DEBUG build complete.
+CFLAGS_release=-O3
+LIBS_release=
 
-release: CFLAGS+=-O3
-release: show_cflags $(TARGET)
-	@echo '>>>' RELEASE build complete.
+# target configuration
+TARGET := fileshare
+VERSION := 0.2.0
+VCSVERSION := $(shell git rev-parse --short HEAD)
+
+# source files for the project
+SOURCE := $(shell find src/ -name '*.c')
+INCLUDES := $(shell find include/ -name '*.h')
+
+# additional dependencies for build (proper targets must be specified by user)
+DEPS :=
+
+# default target
+all: $(TARGET)
+
+# user-specific targets
+
+# --- END OF CONFIG -----------------------------------------------------
+
+OBJ1=$(patsubst %.c, %.o, $(SOURCE))
+OBJ=$(patsubst src/%, obj/$(BUILD)/%, $(OBJ1))
+
+VERSIONSTR="\"$(VERSION)-$(VCSVERSION)\""
+
+CFLAGS+=-DVERSION=$(VERSIONSTR)
+
+TARGETFILE := bin/$(BUILD)/$(TARGET)
+
+CFLAGS+=$(CFLAGS_$(BUILD))
+LIBS+=$(LIBS_$(BUILD))
 
 .PHONY show_cflags:
 	@echo --- Build parameters:  ------------------------------------------
 	@echo CFLAGS\=$(CFLAGS)
 	@echo LIBS\=$(LIBS)
+	@echo SOURCE\=$(SOURCE)
 	@echo -----------------------------------------------------------------
 
-$(TARGET): $(OBJ) $(DEPS) Makefile
-	@echo Linking...
-	@$(CC) -o $(TARGET) $(OBJ) $(LIBS)
+$(TARGET): show_cflags $(TARGETFILE)
+	@echo ">>> $(BUILD) build complete."
 
-%.o: %.c $(DEPS) Makefile
-	@echo Compiling $< ...
-	@$(CC) -c $(CFLAGS) -o $@ $< $(INCLUDES)
+$(TARGETFILE): $(DEPS) $(OBJ) $(INCLUDES) Makefile
+	@echo Linking $@ ...
+	@mkdir -p $(shell dirname $@)
+	@$(LD) -o $(TARGETFILE) $(OBJ) $(LIBS)
+
+obj/$(BUILD)/%.o: src/%.c $(INCLUDES) Makefile
+	@echo "Compiling $< ..."
+	@mkdir -p $(shell dirname $@)
+	@$(CXX) -c $(CFLAGS) -o $@ $<
 
 doc:
 	doxygen doxygen.conf
 
 clean:
-	rm -f $(TARGET)
+	rm -f $(TARGETFILE)
 	rm -f $(OBJ)
+