# Shared include makefile to build a library for protocol analysis with GNU make
# Please goto to a sub-folder and call GNU make (e.g. gmake)

OF      := build
VPATH   := . ..
CC      := gcc
COPT    := -Wall
LOPT    :=

ifneq ($(findstring .exe,$(SHELL))$(findstring .EXE,$(SHELL)),)
  ENV_NAME := WINDOWS
  PATH+=;C:\cygwin\bin
  SHELL := C:\cygwin\bin\bash.exe
else
  ENV_NAME := $(shell uname -s)
endif
$(info $(ENV_NAME))

ifneq ($(findstring CYGWIN,$(ENV_NAME))$(findstring WINDOWS,$(ENV_NAME))$(findstring MINGW,$(ENV_NAME)),)
  export SHELLOPTS := igncr
  BIN := $(NAME).dll
  LOPT += -def ../proto.def -s

  ifneq ($(findstring CYGWIN,$(ENV_NAME))$(findstring WINDOWS,$(ENV_NAME)),)
    PLATFORM ?= $(if $(ProgramW6432)$(PROGRAMW6432),64,32)
    ifeq ($(findstring 64,$(PLATFORM)),64)
      OF  := $(OF)-win64
      CC  := x86_64-w64-mingw32-gcc
      BIN := $(NAME)64.dll
    else
      GCCVER := $(shell gcc -dumpversion)
      ifeq ($(firstword $(subst ., ,$(GCCVER))),3)
        CC := gcc -mno-cygwin
      else
        CC    := i686-pc-mingw32-gcc.exe
        ifeq ($(wildcard /bin/i686-pc-mingw32-gcc.exe),)
          CC  := i686-w64-mingw32-gcc
        endif
      endif
      OF  := $(OF)-win32
    endif
  endif 

else
  OF  := $(OF)-$(ENV_NAME)
  BIN := $(NAME).so.1
  ifeq (SunOS,$(ENV_NAME))
    COPT += -fPIC
    LOPT += -fPIC
  endif
  ifeq (Linux,$(ENV_NAME))
    COPT += -fPIC
    LOPT += -fPIC
  endif
endif


.PHONY : all
all: $(OF) $(OF)/$(BIN)
	cp $(OF)/$(BIN) $(BIN)

$(OF):
	mkdir $@

$(OF)/%.o: %.c proto.h
	$(CC) $(addprefix -I,$(VPATH)) -c $(COPT) -o $@ $<

$(OF)/$(BIN): $(OF)/$(NAME).o $(OF)/proto.o
	$(CC) -shared $(LOPT) -o $@ $^ $(LIB)

.PHONY : clean
clean:
	-rm -rf $(OF)