# vim: ft=make
#
# Makefile.cfg for SRB2
#

#
# GNU compiler & tools' flags
# and other things
#

# See the following variable don't start with 'GCC'. This is
# to avoid a false positive with the version detection...

SUPPORTED_GCC_VERSIONS:=\
	91\
	81 82 83\
	71 72\
	61 62 63 64\
	51 52 53 54\
	40 41 42 43 44 45 46 47 48 49

LATEST_GCC_VERSION=9.1

# gcc or g++
ifdef PREFIX
	CC=$(PREFIX)-gcc
	CXX=$(PREFIX)-g++
	OBJCOPY=$(PREFIX)-objcopy
	OBJDUMP=$(PREFIX)-objdump
	STRIP=$(PREFIX)-strip
	WINDRES=$(PREFIX)-windres
else
	OBJCOPY=objcopy
	OBJDUMP=objdump
	STRIP=strip
	WINDRES=windres
endif

# because Apple screws with us on this
# need to get bintools from homebrew
ifdef MACOSX
	CC=clang
	CXX=clang
	OBJCOPY=gobjcopy
	OBJDUMP=gobjdump
endif

# Automatically set version flag, but not if one was manually set
ifeq   (,$(filter GCC%,$(.VARIABLES)))
 ifneq (,$(findstring gcc,$(shell $(CC) --version))) # if it's GCC
  version:=$(shell $(CC) -dumpversion)

  # Turn version into words of major, minor
  v:=$(subst ., ,$(version))
  # concat. major minor
  v:=$(word 1,$(v))$(word 2,$(v))

  # If this version is not in the list, default to the latest supported
  ifeq (,$(filter $(v),$(SUPPORTED_GCC_VERSIONS)))
   $(info\
		Your compiler version, GCC $(version), is not supported by the Makefile.\
		The Makefile will assume GCC $(LATEST_GCC_VERSION).)
   GCC$(subst .,,$(LATEST_GCC_VERSION))=1
  else
   $(info Detected GCC $(version) (GCC$(v)))
   GCC$(v)=1
  endif
 endif
endif

ifdef GCC91
GCC83=1
endif

ifdef GCC83
GCC82=1
endif

ifdef GCC82
GCC81=1
endif

ifdef GCC81
GCC72=1
endif

ifdef GCC72
GCC71=1
endif

ifdef GCC71
GCC64=1
endif

ifdef GCC64
GCC63=1
endif

ifdef GCC63
GCC62=1
endif

ifdef GCC62
GCC61=1
endif

ifdef GCC61
GCC54=1
endif

ifdef GCC54
GCC53=1
endif

ifdef GCC53
GCC52=1
endif

ifdef GCC52
GCC51=1
endif

ifdef GCC51
GCC49=1
endif

ifdef GCC49
GCC48=1
endif

ifdef GCC48
GCC47=1
endif

ifdef GCC47
GCC46=1
endif

ifdef GCC46
GCC45=1
endif

ifdef GCC45
GCC44=1
endif

ifdef GCC44
GCC43=1
endif

ifdef GCC43
GCC42=1
endif

ifdef GCC42
GCC41=1
endif

ifdef GCC41
GCC40=1
VCHELP=1
endif

ifdef GCC295
GCC29=1
endif

ifdef DC
NOCASTALIGNWARN=1
endif

OLDWFLAGS:=$(WFLAGS)
# -W -Wno-unused
WFLAGS=-Wall
ifndef GCC295
#WFLAGS+=-Wno-packed
endif
ifdef ERRORMODE
WARNINGMODE=1
endif
ifdef WARNINGMODE
 WFLAGS+=-W
#WFLAGS+=-Wno-sign-compare
ifndef GCC295
 WFLAGS+=-Wno-div-by-zero
endif
#WFLAGS+=-Wsystem-headers
WFLAGS+=-Wfloat-equal
#WFLAGS+=-Wtraditional
ifdef VCHELP
 WFLAGS+=-Wdeclaration-after-statement
 WFLAGS+=-Wno-error=declaration-after-statement
endif
 WFLAGS+=-Wundef
ifndef GCC295
 WFLAGS+=-Wendif-labels
endif
ifdef GCC41
 WFLAGS+=-Wshadow
endif
#WFLAGS+=-Wlarger-than-%len%
 WFLAGS+=-Wpointer-arith -Wbad-function-cast
ifdef GCC45
#WFLAGS+=-Wc++-compat
endif
 WFLAGS+=-Wcast-qual
ifndef NOCASTALIGNWARN
 WFLAGS+=-Wcast-align
endif
 WFLAGS+=-Wwrite-strings
ifndef ERRORMODE
#WFLAGS+=-Wconversion
ifdef GCC43
 #WFLAGS+=-Wno-sign-conversion
endif
endif
 WFLAGS+=-Wsign-compare
ifdef GCC45
 WFLAGS+=-Wlogical-op
endif
 WFLAGS+=-Waggregate-return
ifdef HAIKU
ifdef GCC41
 #WFLAGS+=-Wno-attributes
endif
endif
#WFLAGS+=-Wstrict-prototypes
ifdef GCC40
 WFLAGS+=-Wold-style-definition
endif
ifndef XBOX
 WFLAGS+=-Wmissing-prototypes -Wmissing-declarations
endif
ifdef GCC40
 WFLAGS+=-Wmissing-field-initializers
endif
ifndef XBOX
 WFLAGS+=-Wmissing-noreturn
endif
#WFLAGS+=-Wmissing-format-attribute
#WFLAGS+=-Wno-multichar
#WFLAGS+=-Wno-deprecated-declarations
#WFLAGS+=-Wpacked
#WFLAGS+=-Wpadded
#WFLAGS+=-Wredundant-decls
 WFLAGS+=-Wnested-externs
#WFLAGS+=-Wunreachable-code
 WFLAGS+=-Winline
ifdef GCC43
 WFLAGS+=-funit-at-a-time
 WFLAGS+=-Wlogical-op
endif
ifndef GCC295
 WFLAGS+=-Wdisabled-optimization
endif
endif
WFLAGS+=-Wformat-y2k
ifdef GCC71
WFLAGS+=-Wno-error=format-overflow=2
endif
WFLAGS+=-Wformat-security
ifndef GCC29
#WFLAGS+=-Winit-self
endif
ifdef GCC46
WFLAGS+=-Wno-suggest-attribute=noreturn
endif

ifdef NOLDWARNING
LDFLAGS+=-Wl,--as-needed
endif

ifdef ERRORMODE
WFLAGS+=-Werror
endif

WFLAGS+=$(OLDWFLAGS)

ifdef GCC43
 #WFLAGS+=-Wno-error=clobbered
endif
ifdef GCC44
 WFLAGS+=-Wno-error=array-bounds
endif
ifdef GCC46
 WFLAGS+=-Wno-error=suggest-attribute=noreturn
endif
ifdef GCC54
 WFLAGS+=-Wno-logical-op -Wno-error=logical-op
endif
ifdef GCC61
 WFLAGS+=-Wno-tautological-compare -Wno-error=tautological-compare
endif
ifdef GCC71
 WFLAGS+=-Wno-error=implicit-fallthrough
 WFLAGS+=-Wno-implicit-fallthrough
 WFLAGS+=-Wno-format-truncation
endif
ifdef GCC81
 WFLAGS+=-Wno-error=format-overflow
 WFLAGS+=-Wno-error=stringop-truncation
 WFLAGS+=-Wno-error=stringop-overflow
 WFLAGS+=-Wno-format-overflow
 WFLAGS+=-Wno-stringop-truncation
 WFLAGS+=-Wno-stringop-overflow
 WFLAGS+=-Wno-error=multistatement-macros
endif


#indicate platform and what interface use with
ifndef WINCE
ifndef XBOX
ifndef PSP
ifndef DC
ifndef WII
ifndef PS3N
ifndef LINUX
ifndef FREEBSD
ifndef CYGWIN32
ifndef MINGW
ifndef MINGW64
ifndef SDL
ifndef NDS
ifndef DUMMY
	DJGPPDOS=1
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif

#determine the interface directory (where you put all i_*.c)
i_cdmus_o=$(OBJDIR)/i_cdmus.o
i_net_o=$(OBJDIR)/i_net.o
i_system_o=$(OBJDIR)/i_system.o
i_sound_o=$(OBJDIR)/i_sound.o
i_main_o=$(OBJDIR)/i_main.o
#set OBJDIR and BIN's starting place
OBJDIR=../objs
BIN=../bin
#Nasm ASM and rm
ifdef YASM
NASM?=yasm
else
NASM?=nasm
endif
REMOVE?=rm -f
CP?=cp
MKDIR?=mkdir -p
MKISOFS?=mkisofs
DD?=dd
GZIP?=gzip
GZIP_OPTS?=-9 -f -n
GZIP_OPT2=$(GZIP_OPTS) --rsyncable
UPX?=upx
UPX_OPTS?=--best --preserve-build-id
ifndef ECHO
UPX_OPTS+=-q
endif

#Interface Setup
ifdef DJGPPDOS
	INTERFACE=djgppdos
	NASMFORMAT=coff
	OBJDIR:=$(OBJDIR)/djgppdos
ifdef WATTCP
	OBJDIR:=$(OBJDIR)/wattcp
endif
	WFLAGS+=-Wno-format
	BIN:=$(BIN)/Dos
else
ifdef DUMMY
	INTERFACE=dummy
	OBJDIR:=$(OBJDIR)/dummy
	BIN:=$(BIN)/dummy
else
ifdef LINUX
	NASMFORMAT=elf -DLINUX
	SDL=1
ifdef LINUX64
	OBJDIR:=$(OBJDIR)/Linux64
	BIN:=$(BIN)/Linux64
else
	OBJDIR:=$(OBJDIR)/Linux
	BIN:=$(BIN)/Linux
endif
else
ifdef FREEBSD
	INTERFACE=sdl
	NASMFORMAT=elf -DLINUX
	SDL=1

	OBJDIR:=$(OBJDIR)/FreeBSD
	BIN:=$(BIN)/FreeBSD
else
ifdef SOLARIS
	INTERFACE=sdl
	NASMFORMAT=elf -DLINUX
	SDL=1

	OBJDIR:=$(OBJDIR)/Solaris
	BIN:=$(BIN)/Solaris
else
ifdef CYGWIN32
	INTERFACE=sdl
	NASMFORMAT=win32
	SDL=1

	OBJDIR:=$(OBJDIR)/cygwin
	BIN:=$(BIN)/Cygwin
else
ifdef MINGW64
	INTERFACE=win32
	#NASMFORMAT=win64
	OBJDIR:=$(OBJDIR)/Mingw64
	BIN:=$(BIN)/Mingw64
else
ifdef WII
	INTERFACE=sdl12
	NONX86=1
	STATIC=1
	PREFIX?=powerpc-eabi
	SDL=1
	SDL12=1
	SDLMAIN=1
	OBJDIR:=$(OBJDIR)/Wii
	BIN:=$(BIN)/Wii
	NOUPX=1
else
ifdef PS3N
	INTERFACE=sdl12
	NONX86=1
	STATIC=1
	PREFIX?=ppu
	SDL=1
	SDL12=1
	# unsure?
	#SDLMAIN=1
	# can't compile SDL_mixer for ps3...
	NOMIXER=1
	OBJDIR:=$(OBJDIR)/PS3
	BIN:=$(BIN)/PS3
else
ifdef MINGW
	INTERFACE=win32
	NASMFORMAT=win32
	OBJDIR:=$(OBJDIR)/Mingw
	BIN:=$(BIN)/Mingw
else
ifdef XBOX
	INTERFACE=sdl12
	NASMFORMAT=win32
	PREFIX?=/usr/local/openxdk/bin/i386-pc-xbox
	SDL=1
	SDL12=1
	OBJDIR:=$(OBJDIR)/XBOX
	BIN:=$(BIN)/XBOX
else
ifdef PSP
	INTERFACE=sdl12
	NONX86=1
	SDL=1
	SDL12=1
	OBJDIR:=$(OBJDIR)/PSP
	BIN:=$(BIN)/PSP
	NOUPX=1
else
ifdef DC
	INTERFACE=sdl12
	NONX86=1
	SDL=1
	SDL12=1
	OBJDIR:=$(OBJDIR)/DC
	BIN:=$(BIN)/DC
	NOUPX=1
else
ifdef WINCE
	INTERFACE=sdl12
	NONX86=1
	PREFIX?=arm-wince-pe
	SDL=1
	SDL12=1
	OBJDIR:=$(OBJDIR)/WinCE
	BIN:=$(BIN)/WinCE
else
ifdef NDS
	INTERFACE=nds
	OBJDIR:=$(OBJDIR)/nds
	BIN:=$(BIN)/nds
	NOUPX=1
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif
endif

ifdef GP2X
ifdef SDL
	SDL12=1
endif
endif

ifdef ARCHNAME
	OBJDIR:=$(OBJDIR)/$(ARCHNAME)
	BIN:=$(BIN)/$(ARCHNAME)
endif

OBJDUMP_OPTS?=--wide --source --line-numbers
LD=$(CC)

ifdef SDL
# SDL 2.0
ifndef SDL12
	INTERFACE=sdl
# SDL 1.2
else
	INTERFACE=sdl12
endif
	OBJDIR:=$(OBJDIR)/SDL
endif

ifndef DUMMY
ifdef DEBUGMODE
	OBJDIR:=$(OBJDIR)/Debug
	BIN:=$(BIN)/Debug
else
	OBJDIR:=$(OBJDIR)/Release
	BIN:=$(BIN)/Release
endif
endif