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sortix--sortix/build-aux/compiler.mak
2016-03-26 23:50:50 +01:00

132 lines
3.3 KiB
Makefile

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