mirror of https://github.com/ncroxon/gnu-efi
304 lines
8.6 KiB
Makefile
Executable File
304 lines
8.6 KiB
Makefile
Executable File
# -*- makefile -*-
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# Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P.
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# Contributed by David Mosberger <davidm@hpl.hp.com>
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# Contributed by Stephane Eranian <eranian@hpl.hp.com>
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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# * Neither the name of Hewlett-Packard Co. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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# BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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TOPDIR ?= $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
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#
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# Variables below overridable from command-line:
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# make VARNAME=value ...
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#
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#
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# Where to install the package. GNU-EFI will create and access
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# lib and include under the root
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#
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DESTDIR ?= /
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ifeq ($(origin INSTALLROOT),undefined)
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INSTALLROOT = $(DESTDIR)
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endif
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empty :=
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space := $(empty) $(empty)
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stripped = $(subst $(space),/,$(strip $(subst /,$(space),$(1))))
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unstripped = $(subst $(space),/,$(subst /,$(space),$(1)))
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is_absolute = $(subst $(call stripped,$(1)),$(empty),$(call unstripped,$(1)))
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override INSTALLROOT:=$(if $(call is_absolute,$(INSTALLROOT)),,$(TOPDIR)/)$(INSTALLROOT)
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PREFIX := /usr/local
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EXEC_PREFIX := $(PREFIX)
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LIBDIR := $(EXEC_PREFIX)/lib
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INCLUDEDIR := $(PREFIX)/include
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INSTALL := install
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# Compilation tools
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HOSTCC := $(prefix)gcc
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CC := $(prefix)$(CROSS_COMPILE)gcc
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AS := $(prefix)$(CROSS_COMPILE)as
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LD := $(prefix)$(CROSS_COMPILE)ld
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AR := $(prefix)$(CROSS_COMPILE)ar
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RANLIB := $(prefix)$(CROSS_COMPILE)ranlib
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OBJCOPY := $(prefix)$(CROSS_COMPILE)objcopy
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# Set verbose or nonverbose output similarly to automake's silent rules.
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# Default is nonverbose, but, just like with automake, it can be disabled
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# with: 'make V=1'
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ifneq ($(V),1)
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HIDE=@
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ECHO=echo
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else
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HIDE=
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ECHO=true
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endif
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# Host/target identification
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OS := $(shell uname -s)
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USING_APPLE ?= $(shell echo $(OS) | grep -q 'Darwin' && echo 1 || echo 0)
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USING_FREEBSD ?= $(shell echo $(OS) | grep -q 'FreeBSD' && echo 1 || echo 0)
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# FreeBSD uses clang with no gcc symlink
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ifeq ($(USING_FREEBSD),1)
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override HOSTCC := $(prefix)clang
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endif
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HOSTARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv[67].*,arm,' )
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ARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv[67].*,arm,' )
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# Get ARCH from the compiler if cross compiling
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ifneq ($(CROSS_COMPILE),)
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override ARCH := $(shell $(CC) -dumpmachine | cut -f1 -d-| sed -e s,i[3456789]86,ia32, -e 's,armv[67].*,arm,' )
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endif
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# FreeBSD (and possibly others) reports amd64 instead of x86_64
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ifeq ($(ARCH),amd64)
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override ARCH := x86_64
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endif
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# Allow UEFI shorthands to be specified for the arch
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ifeq ($(ARCH),x64)
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override ARCH := x86_64
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endif
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ifeq ($(ARCH),mips64)
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override ARCH := mips64el
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endif
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GCCVERSION := $(shell $(CC) -dumpversion | sed -e 's/-win32/.0/' | cut -f1 -d.)
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GCCMINOR := $(shell $(CC) -dumpversion | sed -e 's/-win32/.0/' | cut -f2 -d.)
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USING_CLANG := $(shell $(CC) -v 2>&1 | grep -q 'clang version' && echo clang || echo 0)
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NO_GLIBC ?= 0
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# Rely on GCC MS ABI support?
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GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ] \
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|| ( [ $(GCCVERSION) -eq "4" ] \
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&& [ $(GCCMINOR) -ge "7" ] ) ) \
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&& echo 1)
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PART_ONE = $(shell echo "$(1)" | cut -f1 -d.)
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PART_TWO = $(shell echo "$(1)" | cut -f2 -d.)
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IS_NEW_ENOUGH = $(shell ( [ $(call PART_ONE,$(1)) -gt "$(2)" ] \
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|| ( [ $(call PART_ONE,$(1)) -eq "$(2)" ] \
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&& [ $(call PART_TWO,$(1)) -ge "$(3)" ] ) ) \
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&& echo 1)
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#
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# Where to build the package
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#
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OBJDIR := $(TOPDIR)/$(ARCH)
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#
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# Variables below derived from variables above
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#
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# Arch-specific compilation flags
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CPPFLAGS += -DCONFIG_$(ARCH)
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CFLAGS += -Wno-error=pragmas
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ifeq ($(ARCH),ia64)
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CFLAGS += -mfixed-range=f32-f127
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endif
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ifeq ($(ARCH),ia32)
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CFLAGS += -mno-mmx -mno-sse
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ifeq ($(HOSTARCH),x86_64)
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ARCH3264 = -m32
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endif
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endif
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# Set ISO C mode
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CPPFLAGS += -std=c11
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ifeq ($(ARCH),x86_64)
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ifeq ($(GCCNEWENOUGH),1)
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CPPFLAGS += -DGNU_EFI_USE_MS_ABI
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ifneq ($(USING_CLANG),clang)
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CPPFLAGS += -maccumulate-outgoing-args
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endif
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endif
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CFLAGS += -mno-red-zone
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ifeq ($(HOSTARCH),ia32)
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ARCH3264 = -m64
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endif
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endif
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ifneq (,$(filter $(ARCH),ia32 x86_64))
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# Disable AVX, if the compiler supports that.
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CC_CAN_DISABLE_AVX=$(shell $(CC) -Werror -c -o /dev/null -xc -mno-avx - </dev/null >/dev/null 2>&1 && echo 1)
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ifeq ($(CC_CAN_DISABLE_AVX), 1)
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CFLAGS += -mno-avx
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endif
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endif
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ifeq ($(ARCH),mips64el)
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CFLAGS += -march=mips64r2
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ARCH3264 = -mabi=64
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endif
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#
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# Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv],
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# otherwise we need to compose the PE/COFF header using the assembler
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#
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OBJCOPY_VERSION := $(shell $(OBJCOPY) --version | head -n 1 | awk '{print $$(NF)}')
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ifneq ($(ARCH),arm)
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ifneq ($(ARCH),mips64el)
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export HAVE_EFI_OBJCOPY=y
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endif
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endif
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ifeq ($(ARCH),riscv64)
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ifneq ($(call IS_NEW_ENOUGH,$(OBJCOPY_VERSION),2,42),1)
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export SYSTEM_HAS_EFI_OBJCOPY ?= 0
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endif
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endif
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ifeq ($(ARCH),aarch64)
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ifneq ($(call IS_NEW_ENOUGH,$(OBJCOPY_VERSION),2,38),1)
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export SYSTEM_HAS_EFI_OBJCOPY ?= 0
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endif
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endif
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ifeq ($(ARCH),ia32)
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ifeq ($(USING_APPLE),1)
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export SYSTEM_HAS_EFI_OBJCOPY ?= 0
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endif
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endif
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ifeq ($(HAVE_EFI_OBJCOPY),y)
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export SYSTEM_HAS_EFI_OBJCOPY ?= 1
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else
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export SYSTEM_HAS_EFI_OBJCOPY ?= 0
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endif
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ifeq ($(USING_APPLE),1)
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CFLAGS += -D__GNU_EFI_NO_GLIBC
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endif
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ifeq ($(NO_GLIBC),1)
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CFLAGS += -D__GNU_EFI_NO_GLIBC
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endif
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ifeq ($(ARCH),arm)
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CFLAGS += -marm
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endif
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ifneq (,$(filter $(ARCH),aarch64 arm loongarch64))
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LDFLAGS += -z common-page-size=4096
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LDFLAGS += -z max-page-size=4096
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endif
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# Generic compilation flags
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INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \
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-I$(TOPDIR)/inc/protocol
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# Only enable -fPIE for non MinGW compilers (unneeded on MinGW)
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GCCMACHINE := $(shell $(CC) -dumpmachine)
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IS_MINGW32 := $(findstring mingw32, $(GCCMACHINE))
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ifeq ($(IS_MINGW32),)
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CFLAGS += -fPIE
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endif
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ifeq ($(USING_FREEBSD),1)
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CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \
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-fno-strict-aliasing \
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-ffreestanding -fno-stack-protector
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else
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CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Wno-pointer-sign -Werror \
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-fno-strict-aliasing \
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-ffreestanding -fno-stack-protector -fno-stack-check \
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$(if $(findstring 0,$(USING_CLANG)),-Wno-error=maybe-uninitialized,) \
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$(if $(findstring 0,$(USING_CLANG)),-fno-merge-all-constants,)
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endif
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# Force DWARF 4 on LLVM
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# Otherwise readelf becomes very unhappy
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ifeq ($(USING_CLANG),clang)
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CFLAGS += -gdwarf-4
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endif
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# Force hard float (for library mismatch)
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ifeq ($(ARCH),arm)
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ifeq ($(USING_APPLE),1)
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CFLAGS += -mfloat-abi=hard -mfpu=vfpv2
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endif
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endif
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ifeq ($(V),1)
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ARFLAGS := rDv
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else
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ARFLAGS := rD
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endif
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ASFLAGS += $(ARCH3264)
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LDFLAGS += -nostdlib
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ifeq ($(IS_MINGW32),)
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LDFLAGS += --warn-common --no-undefined --fatal-warnings \
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--build-id=sha1
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ifeq ($(USING_APPLE),0)
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LDFLAGS += -z norelro -z nocombreloc
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endif
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else
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LDFLAGS += -Wl,--warn-common -Wl,--no-undefined -Wl,--fatal-warnings \
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-Wl,--build-id=sha1
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endif
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ifneq ($(ARCH),arm)
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export LIBGCC=$(shell $(CC) $(CFLAGS) $(ARCH3264) -print-libgcc-file-name)
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endif
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