mirror of
https://github.com/rhboot/gnu-efi
synced 2026-08-26 00:26:04 -04:00
245 lines
7.5 KiB
Makefile
Executable file
245 lines
7.5 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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ARCHES=aa64 arm ia32 ia64 mips64el x64
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ALL_ARCH_ALIASES=aarch64 armv6 armv7 i386 i686 x86_64 amd64
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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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INCLUDEDIR := $(PREFIX)/include
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LIBDIR := $(PREFIX)/lib
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SHAREDIR := $(PREFIX)/share
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SYSCONFDIR := /etc
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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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INSTALL := install
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SYMLINK := ln -vfs
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SED := sed
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# Host/target identification
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OS := $(shell uname -s)
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HOSTARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed \
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-e s,i[3456789]86,ia32, \
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-e s,amd64,x64, -e s,x86_64,x64, \
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-e s,aarch64,aa64, \
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-e 's,armv[[:digit:]].*,arm,' \
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-e 's,mips64.*,mips64el,g' \
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)
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ARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed \
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-e s,i[3456789]86,ia32, \
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-e s,amd64,x64, -e s,x86_64,x64, \
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-e s,aarch64,aa64, \
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-e 's,armv[[:digit:]].*,arm,' \
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-e 's,mips64.*,mips64el,g' \
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)
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BFD_ARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed \
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-e s,i[3456789]86,ia32, \
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-e s,amd64,x86_64, \
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-e 's,armv[[:digit:]].*,arm,' \
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)
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# Get ARCH from the compiler if cross compiling
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ifneq ($(CROSS_COMPILE),)
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override ARCH := $(shell $(CC) -dumpmachine | cut -f1 -d- | sed \
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-e s,i[3456789]86,ia32, \
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-e s,amd64,x64, -e s,x86_64,x64, \
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-e s,aarch64,aa64, \
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-e 's,armv[[:digit:]].*,arm,' \
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-e 's,mips64.*,mips64el,g' \
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)
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endif
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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_$(ARCH)
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CFLAGS += -Wno-error=pragmas
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EXPORT_CFLAGS ?=
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EXPORT_LDFLAGS ?=
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ifeq ($(ARCH),ia64)
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EXPORT_CFLAGS += -mfixed-range=f32-f127
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EXPORT_LDFLAGS += -m elf64_ia64
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ARCH_ALIASES =
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endif
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ifeq ($(ARCH),ia32)
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EXPORT_CFLAGS += -mno-mmx -mno-sse
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EXPORT_LDFLAGS += --no-ld-generated-unwind-info -m elf_i386
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ifeq ($(HOSTARCH),x64)
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ARCH3264 = -m32
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endif
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ARCH_ALIASES = i386 i686
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endif
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ifeq ($(ARCH),x64)
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GCCVERSION := $(shell $(CC) -dumpversion | cut -f1 -d.)
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GCCMINOR := $(shell $(CC) -dumpversion | cut -f2 -d.)
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USING_CLANG := $(shell $(CC) -v 2>&1 | grep -q 'clang version' && echo clang)
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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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&& [ $(GCCMINOR) -ge "7" ] ) ) \
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&& echo 1)
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ifeq ($(GCCNEWENOUGH),1)
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CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11
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else ifeq ($(USING_CLANG),clang)
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CPPFLAGS += -DGNU_EFI_USE_MS_ABI --std=c11
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endif
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EXPORT_CFLAGS += -mno-red-zone
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EXPORT_LDFLAGS += --no-ld-generated-unwind-info -m elf_x86_64
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ifeq ($(HOSTARCH),ia32)
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ARCH3264 = -m64
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endif
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ARCH_ALIASES = x86_64 amd64
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endif
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ifneq (,$(filter $(ARCH),ia32 x64))
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# Disable AVX, if the compiler supports that.
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CC_CAN_DISABLE_AVX=$(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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EXPORT_CFLAGS += -mno-avx
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endif
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endif
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ifeq ($(ARCH),mips64el)
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EXPORT_CFLAGS += -march=mips64r2 -EL
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EXPORT_LDFLAGS += -EL -m elf64ltsmip
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ARCH3264 = -mabi=64
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ARCH_ALIASES =
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endif
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ifeq ($(ARCH),aa64)
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ARCH_ALIASES = aarch64
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EXPORT_LDFLAGS += aarch64elf
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endif
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ifeq ($(ARCH),arm)
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ARCH_ALIASES = armv6 armv7
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EXPORT_CFLAGS += -marm
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EXPORT_LDFLAGS += armelf_linux_eabi
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endif
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#
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# Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv],
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# otherwise we need to compose the PE/COFF header using the assembler
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#
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ifneq ($(ARCH),arm)
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ifneq ($(ARCH),mips64el)
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export HAVE_EFI_OBJCOPY=y
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endif
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endif
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# Generic compilation flags
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INCDIR += -I$(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 $(CC) -dumpmachine)
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ifneq (mingw32,$(findstring mingw32, $(GCCMACHINE)))
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EXPORT_CFLAGS += -fPIE
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endif
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IS_FREEBSD = $(findstring FreeBSD, $(OS))
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IS_DARWIN = $(findstring Darwin, $(OS))
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EXPORT_CFLAGS += -fshort-wchar -fno-strict-aliasing -fno-stack-protector \
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-nostartfiles -nodefaultlibs -nolibc -static-libgcc
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ifeq "$(or $(IS_FREEBSD), $(IS_DARWIN))" ""
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EXPORT_CFLAGS += -fno-stack-check $(if $(findstring gcc,$(CC)),-fno-merge-all-constants,)
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endif
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EXPORT_CFLAGS += $(ARCH3264)
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CFLAGS += -g3 -Og -Wall -Wextra -Wno-pointer-sign -Werror $(EXPORT_CFLAGS)
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override CFLAGS := $(CFLAGS) -grecord-gcc-switches -frecord-gcc-switches
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EXPORT_CFLAGS += $(CPPFLAGS)
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ifeq "$(IS_DARWIN)" ""
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ARFLAGS += -U
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else
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ARFLAGS := rDv
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endif
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ASFLAGS += $(ARCH3264)
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EXPORT_LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings \
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--build-id=sha1 --no-eh-frame-hdr \
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--orphan-handling=place
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LDFLAGS += $(EXPORT_LDFLAGS)
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ifneq ($(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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