# Makefile for Thrift compiler. This Makefile assumes that you are running on
# some form of *NIX operating system with the following tools and packages
# installed:
#
#   g++
#   flex
#   bison
#   libfl
# 
# Author:
#   Mark Slee <mcslee@facebook.com>

# Default build rule
target:	thrift

# Tools
CC    = g++
LD    = g++
LEX   = flex
YACC  = bison
MKDIR = mkdir

# Source directory
SRC_DIR = src/

# Object file directory
OBJ_DIR = obj/

# Generated source dir
GEN_DIR = $(SRC_DIR)

# Output directory
BIN_DIR = bin/

# Source files
SRC_FILES = main.cc \
            generate/t_generator.cc \
            generate/t_cpp_generator.cc

# Autogenerated files
GEN_FILES = thrift.tab.hh \
            thrift.tab.cc \
            lex.yy.cc

# Object files
OBJ_FILES = thrift.tab.o \
            lex.yy.o \
            ${SRC_FILES:.cc=.o}

# Apply directory prefixes
SRCS = ${addprefix $(SRC_DIR), $(SRC_FILES)}
GENS = ${addprefix $(GEN_DIR), $(GEN_FILES)}
OBJS = ${addprefix $(OBJ_DIR), $(OBJ_FILES)}

# Compile with strict warnings
CFL = -g -Wall -I$(SRC_DIR) -I$(OBJ_DIR)

# Flex library
LIBS = -lfl

# Scanner generation
$(GEN_DIR)lex.yy.cc: $(SRC_DIR)thrift.l
	$(LEX) -o$(GEN_DIR)lex.yy.cc $(SRC_DIR)thrift.l

# Parser generation
$(GEN_DIR)thrift.tab.hh: $(GEN_DIR)thrift.tab.cc

$(GEN_DIR)thrift.tab.cc: $(SRC_DIR)thrift.y
	$(YACC) -d -o$(GEN_DIR)thrift.tab.cc $(SRC_DIR)thrift.y

# C++ compilation
$(OBJS): $(GEN_DIR)thrift.tab.cc $(GEN_DIR)lex.yy.cc obj_dir
	$(CC) $(CFL) -c -o $@ ${subst $(OBJ_DIR),$(SRC_DIR),$*.cc}

# Header dependency
$(SRC_DIR)main.cc: $(SRC_DIR)*.h

# Main build rule
thrift:	$(OBJS)	
	$(LD) $(CFL) -o $(BIN_DIR)thrift $(OBJS) $(LIBS)

# Build directory
obj_dir:	
	$(MKDIR) -p $(OBJ_DIR)parse
	$(MKDIR) -p $(OBJ_DIR)generate

# This will auto-make dependency rules
depend:
	makedepend -- $(CFL) -- $(SRCS)

# Remove auto-gen'd files and binaries
clean:
	rm -f \
	$(OBJS) \
	$(GENS) \
	$(BIN_DIR)thrift.exe \
	$(BIN_DIR)thrift
# DO NOT DELETE

src/main.o: /usr/include/stdlib.h /usr/include/features.h
src/main.o: /usr/include/sys/cdefs.h /usr/include/gnu/stubs.h
src/main.o: /usr/include/bits/wordsize.h /usr/include/gnu/stubs-64.h
src/main.o: /usr/include/stdio.h /usr/include/bits/types.h
src/main.o: /usr/include/bits/typesizes.h /usr/include/libio.h
src/main.o: /usr/include/_G_config.h /usr/include/wchar.h
src/main.o: /usr/include/bits/wchar.h /usr/include/gconv.h
src/main.o: /usr/include/bits/stdio_lim.h /usr/include/bits/sys_errlist.h
src/main.o: src/globals.h src/main.h src/parse/t_program.h
src/main.o: src/parse/t_base_type.h src/parse/t_type.h src/parse/t_typedef.h
src/main.o: src/parse/t_enum.h src/parse/t_constant.h src/parse/t_struct.h
src/main.o: src/parse/t_list.h src/parse/t_field.h src/parse/t_service.h
src/main.o: src/parse/t_function.h src/generate/t_cpp_generator.h
src/main.o: src/generate/t_generator.h
src/generate/t_generator.o: src/generate/t_generator.h src/parse/t_program.h
src/generate/t_generator.o: src/parse/t_base_type.h src/parse/t_type.h
src/generate/t_generator.o: src/parse/t_typedef.h src/parse/t_enum.h
src/generate/t_generator.o: src/parse/t_constant.h src/parse/t_struct.h
src/generate/t_generator.o: src/parse/t_list.h src/parse/t_field.h
src/generate/t_generator.o: src/parse/t_service.h src/parse/t_function.h
src/generate/t_cpp_generator.o: /usr/include/sys/stat.h
src/generate/t_cpp_generator.o: /usr/include/features.h
src/generate/t_cpp_generator.o: /usr/include/sys/cdefs.h
src/generate/t_cpp_generator.o: /usr/include/gnu/stubs.h
src/generate/t_cpp_generator.o: /usr/include/bits/wordsize.h
src/generate/t_cpp_generator.o: /usr/include/gnu/stubs-64.h
src/generate/t_cpp_generator.o: /usr/include/bits/types.h
src/generate/t_cpp_generator.o: /usr/include/bits/typesizes.h
src/generate/t_cpp_generator.o: /usr/include/bits/stat.h
src/generate/t_cpp_generator.o: src/generate/t_cpp_generator.h
src/generate/t_cpp_generator.o: src/generate/t_generator.h
src/generate/t_cpp_generator.o: src/parse/t_program.h src/parse/t_base_type.h
src/generate/t_cpp_generator.o: src/parse/t_type.h src/parse/t_typedef.h
src/generate/t_cpp_generator.o: src/parse/t_enum.h src/parse/t_constant.h
src/generate/t_cpp_generator.o: src/parse/t_struct.h src/parse/t_list.h
src/generate/t_cpp_generator.o: src/parse/t_field.h src/parse/t_service.h
src/generate/t_cpp_generator.o: src/parse/t_function.h src/globals.h