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# -*- mode: makefile-gmake -*-
##
## determine the HOST TARGET and SUBTARGET
##
# Determine host type
# NOTE: HOST determination on RISC OS could fail because of missing bug fixes
# in UnixLib which only got addressed in UnixLib 5 / GCCSDK 4.
# When you don't have 'uname' available, you will see:
# File 'uname' not found
# When you do and using a 'uname' compiled with a buggy UnixLib, you
# will see the following printed on screen:
# RISC OS
# In both cases HOST make variable is empty and we recover from that by
# assuming we're building on RISC OS.
# In case you don't see anything printed (including the warning), you
# have an up-to-date RISC OS build system. ;-)
HOST := $(shell uname -s)
# Sanitise host
# TODO: Ideally, we want the equivalent of s/[^A-Za-z0-9]/_/g here
HOST := $(subst .,_,$(subst -,_,$(subst /,_,$(HOST))))
ifeq ($(HOST),)
HOST := riscos
$(warning Build platform determination failed but that's a known problem for RISC OS so we're assuming a native RISC OS build.)
else
ifeq ($(HOST),RISC OS)
# Fixup uname -s returning "RISC OS"
HOST := riscos
endif
endif
ifeq ($(HOST),riscos)
# Build happening on RO platform, default target is RO backend
ifeq ($(TARGET),)
TARGET := riscos
endif
endif
ifeq ($(HOST),BeOS)
HOST := beos
endif
ifeq ($(HOST),Haiku)
# Haiku implements the BeOS API
HOST := beos
endif
ifeq ($(HOST),beos)
# Build happening on BeOS platform, default target is BeOS backend
ifeq ($(TARGET),)
TARGET := beos
endif
ifeq ($(TARGET),haiku)
override TARGET := beos
endif
endif
ifeq ($(HOST),AmigaOS)
HOST := amiga
ifeq ($(TARGET),)
TARGET := amiga
endif
endif
ifeq ($(HOST),FreeMiNT)
HOST := mint
endif
ifeq ($(HOST),mint)
ifeq ($(TARGET),)
TARGET := atari
endif
endif
ifeq ($(findstring MINGW,$(HOST)),MINGW)
# MSYS' uname reports the likes of "MINGW32_NT-6.0"
HOST := windows
endif
ifeq ($(HOST),windows)
ifeq ($(TARGET),)
TARGET := windows
endif
endif
# Setup (sub)targets
# empty default sub target
SUBTARGET=
# Default target is GTK 3 backend
ifeq ($(TARGET),)
override TARGET := gtk
SUBTARGET = 3
else
ifeq ($(TARGET),gtk)
# unspecified gtk is gtk3
SUBTARGET = 3
else
ifeq ($(TARGET),gtk3)
# gtk3 is gtk target with subtarget of 3
override TARGET := gtk
SUBTARGET = 3
else
ifeq ($(TARGET),gtk2)
# gtk2 is gtk target with subtarget of 2
override TARGET := gtk
SUBTARGET = 2
else
ifeq ($(TARGET),amigaos3)
override TARGET := amiga
SUBTARGET = os3
endif
endif
endif
endif
endif
# valid values for the TARGET
VLDTARGET := amiga atari beos framebuffer gtk monkey riscos windows
# Check for valid TARGET
ifeq ($(filter $(VLDTARGET),$(TARGET)),)
$(error Unknown TARGET "$(TARGET)", Must be one of $(VLDTARGET))
endif
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