sortix-mirror/build-aux/compiler.mak

127 lines
3.0 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_PLATFORM)-sortix
@exit 1
endif
endif
# Provide deprecated CPU variable so makefiles can select CPU-specific dirs.
ifeq ($(HOST),i486-sortix)
MACHINE:=i486
CPU:=x86
endif
ifeq ($(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 BUILDCC
BUILDCC:=$(BUILD_TOOL_PREFIX)gcc
endif
ifndef BUILDCXX
BUILDCXX:=$(BUILD_TOOL_PREFIX)g++
endif
ifndef BUILDAR
BUILDAR:=$(BUILD_TOOL_PREFIX)ar
endif
ifndef BUILDAS
BUILDAS:=$(BUILD_TOOL_PREFIX)as
endif
ifndef BUILDLD
BUILDAS:=$(BUILD_TOOL_PREFIX)ld
endif
ifndef BUILDOBJCOPY
BUILDOBJCOPY:=$(BUILD_TOOL_PREFIX)objcopy
endif
# Determine the names of the tools that target the host platform.
ifndef HOSTCC
HOSTCC:=$(HOST_TOOL_PREFIX)gcc
endif
ifndef HOSTCXX
HOSTCXX:=$(HOST_TOOL_PREFIX)g++
endif
ifndef HOSTAR
HOSTAR:=$(HOST_TOOL_PREFIX)ar
endif
ifndef HOSTAS
HOSTAS:=$(HOST_TOOL_PREFIX)as
endif
ifndef HOSTLD
HOSTLD:=$(HOST_TOOL_PREFIX)ld
endif
ifndef HOSTOBJCOPY
HOSTOBJCOPY:=$(HOST_TOOL_PREFIX)objcopy
endif
ifdef SYSROOT
HOSTCC:=$(HOSTCC) --sysroot="$(SYSROOT)"
HOSTCXX:=$(HOSTCXX) --sysroot="$(SYSROOT)"
HOSTLD:=$(HOSTLD) --sysroot="$(SYSROOT)"
endif
CC:=$(HOSTCC)
CXX:=$(HOSTCXX)
AR:=$(HOSTAR)
AS:=$(HOSTAS)
LD:=$(HOSTLD)
OBJCOPY:=$(HOSTOBJCOPY)
# Determine default optimization level.
DEFAULT_GENERIC_OPTLEVEL_BASE:=-O2 -g
DEFAULT_BUILD_OPTLEVEL:=$(DEFAULT_GENERIC_OPTLEVEL_BASE)
ifeq ($(BUILD_IS_SORTIX),1)
DEFAULT_BUILD_OPTLEVEL+=
endif
DEFAULT_HOST_OPTLEVEL:=$(DEFAULT_GENERIC_OPTLEVEL_BASE)
DEFAULT_OPTLEVEL:=$(DEFAULT_GENERIC_OPTLEVEL_BASE)
ifeq ($(HOST_IS_SORTIX),1)
DEFAULT_HOST_OPTLEVEL+=
DEFAULT_OPTLEVEL+=
endif