133 lines
3.3 KiB
Makefile
133 lines
3.3 KiB
Makefile
# Warn if default target is used and the software shouldn't be built under Sortix.
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ifeq ($(BUILD_IS_SORTIX),1)
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ifeq ($(MAKEFILE_NOT_MEANT_FOR_SORTIX), 1)
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makefile_not_meant_for_sortix:
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@echo This makefile isn\'t meant to work under Sortix
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@exit 1
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endif
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endif
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# Warn if default target is used and the software should be built under Sortix.
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ifeq ($(BUILD_IS_SORTIX),0)
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ifeq ($(MAKEFILE_MEANT_FOR_SORTIX), 1)
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makefile_meant_for_sortix:
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@echo This makefile is meant to work under Sortix, not $(BUILD)
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@exit 1
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endif
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endif
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# Warn if default target is used and the software shouldn't be built for Sortix.
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ifeq ($(HOST_IS_SORTIX),1)
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ifeq ($(SOFTWARE_NOT_MEANT_FOR_SORTIX), 1)
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software_not_meant_for_sortix:
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@echo This software isn\'t meant to work under Sortix
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@exit 1
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endif
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endif
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# Warn if default target is used and the software should be built for Sortix.
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ifeq ($(HOST_IS_SORTIX),0)
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ifeq ($(SOFTWARE_MEANT_FOR_SORTIX), 1)
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software_meant_for_sortix:
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@echo This software is meant to work under Sortix, not $(HOST)
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@echo Attempt was $(MAKE) $(MAKEFLAGS)
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@echo Try: $(MAKE) $(MAKEFLAGS) HOST=$(UNAME_MACHINE)-sortix
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@exit 1
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endif
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endif
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# Determine whether a function is unset or is a Make default.
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is_unset_or_default = $(filter undefined default,$(origin $(1)))
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# Provide deprecated CPU variable so makefiles can select CPU-specific dirs.
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ifeq ($(HOST),i386-sortix)
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MACHINE:=i386
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CPU:=x86
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endif
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ifeq ($(HOST),i486-sortix)
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MACHINE:=i486
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CPU:=x86
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endif
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ifeq ($(HOST),i586-sortix)
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MACHINE:=i586
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CPU:=x86
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endif
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ifeq ($(HOST),i686-sortix)
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MACHINE:=i686
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CPU:=x86
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endif
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ifeq ($(HOST),x86_64-sortix)
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MACHINE:=x86_64
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CPU:=x64
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endif
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# Determine the prefix for build tools.
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ifndef BUILD_TOOL_PREFIX
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BUILD_TOOL_PREFIX:=
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endif
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# Determine the prefix for host tools.
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ifndef HOST_TOOL_PREFIX
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ifeq ($(BUILD),$(HOST))
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HOST_TOOL_PREFIX:=$(BUILD_TOOL_PREFIX)
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else
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HOST_TOOL_PREFIX:=$(HOST)-
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endif
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endif
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# Determine the names of the tools that target the build platform.
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ifndef CC_FOR_BUILD
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CC_FOR_BUILD:=$(BUILD_TOOL_PREFIX)gcc
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endif
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ifndef CXX_FOR_BUILD
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CXX_FOR_BUILD:=$(BUILD_TOOL_PREFIX)g++
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endif
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ifndef AR_FOR_BUILD
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AR_FOR_BUILD:=$(BUILD_TOOL_PREFIX)ar
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endif
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ifndef AS_FOR_BUILD
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AS_FOR_BUILD:=$(BUILD_TOOL_PREFIX)as
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endif
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ifndef LD_FOR_BUILD
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LD_FOR_BUILD:=$(BUILD_TOOL_PREFIX)ld
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endif
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ifndef OBJCOPY_FOR_BUILD
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OBJCOPY_FOR_BUILD:=$(BUILD_TOOL_PREFIX)objcopy
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endif
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# Determine the names of the tools that target the host platform.
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ifneq ($(call is_unset_or_default,CC),)
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CC:=$(HOST_TOOL_PREFIX)gcc
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endif
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ifneq ($(call is_unset_or_default,CXX),)
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CXX:=$(HOST_TOOL_PREFIX)g++
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endif
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ifneq ($(call is_unset_or_default,AR),)
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AR:=$(HOST_TOOL_PREFIX)ar
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endif
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ifneq ($(call is_unset_or_default,AS),)
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AS:=$(HOST_TOOL_PREFIX)as
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endif
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ifneq ($(call is_unset_or_default,LD),)
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LD:=$(HOST_TOOL_PREFIX)ld
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endif
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ifneq ($(call is_unset_or_default,OBJCOPY),)
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OBJCOPY:=$(HOST_TOOL_PREFIX)objcopy
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endif
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ifdef SYSROOT
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CC:=$(CC) --sysroot="$(SYSROOT)"
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CXX:=$(CXX) --sysroot="$(SYSROOT)"
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LD:=$(LD) --sysroot="$(SYSROOT)"
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endif
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# Determine default optimization level.
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DEFAULT_GENERIC_OPTLEVEL_BASE:=-Os -s
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DEFAULT_OPTLEVEL_FOR_BUILD:=$(DEFAULT_GENERIC_OPTLEVEL_BASE)
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ifeq ($(BUILD_IS_SORTIX),1)
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DEFAULT_OPTLEVEL_FOR_BUILD+=
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endif
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DEFAULT_OPTLEVEL:=$(DEFAULT_GENERIC_OPTLEVEL_BASE)
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ifeq ($(HOST_IS_SORTIX),1)
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DEFAULT_OPTLEVEL+=
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endif
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