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# -*- makefile -*-
# Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P.
# Contributed by David Mosberger <davidm@hpl.hp.com>
# Contributed by Stephane Eranian <eranian@hpl.hp.com>
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials
# provided with the distribution.
# * Neither the name of Hewlett-Packard Co. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
TOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
#
# Variables below overridable from command-line:
# make VARNAME=value ...
#
#
# Where to install the package. GNU-EFI will create and access
# lib and include under the root
#
INSTALLROOT := /
ifeq ($(ARCH),aarch64)
PREFIX := /usr
LIBDIR := $(PREFIX)/lib64
else
PREFIX := /usr/local
LIBDIR := $(PREFIX)/lib
endif
INSTALL := install
# Host/target identification
OS := $(shell uname -s)
HOSTARCH := $(shell uname -m | sed s,i[3456789]86,ia32,)
ARCH := $(shell uname -m | sed s,i[3456789]86,ia32,)
# FreeBSD (and possibly others) reports amd64 instead of x86_64
ifeq ($(ARCH),amd64)
override ARCH := x86_64
endif
# Compilation tools
ifeq ($(CROSS_COMPILE), )
prefix := /usr/bin/
else
prefix := $(CROSS_COMPILE)
endif
CC := $(prefix)gcc
AS := $(prefix)as
LD := $(prefix)ld
AR := $(prefix)ar
RANLIB := $(prefix)ranlib
OBJCOPY := $(prefix)objcopy
#
# Variables below derived from variables above
#
GCCVERSION := $(shell $(CC) -dumpversion | cut -f1 -d.)
GCCMINOR := $(shell $(CC) -dumpversion | cut -f2 -d.)
# Rely on GCC MS ABI support?
GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ] \
|| ( [ $(GCCVERSION) -eq "4" ] \
&& [ $(GCCMINOR) -ge "7" ] ) ) \
&& echo 1)
ifeq ($(GCCNEWENOUGH),1)
ifneq ($(ARCH),aarch64)
CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11
endif
endif
# Arch-specific compilation flags
CPPFLAGS += -DCONFIG_$(ARCH)
ifeq ($(ARCH),ia64)
CFLAGS += -mfixed-range=f32-f127
endif
ifeq ($(ARCH),ia32)
CFLAGS += -mno-mmx -mno-sse
ifeq ($(HOSTARCH),x86_64)
ARCH3264 = -m32
endif
endif
ifeq ($(ARCH),x86_64)
CFLAGS += -mno-red-zone -mno-mmx -mno-sse
ifeq ($(HOSTARCH),ia32)
ARCH3264 = -m64
endif
endif
# Generic compilation flags
INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \
-I$(TOPDIR)/inc/protocol
CFLAGS += $(ARCH3264) -O2 -fpic -Wall -fshort-wchar -fno-strict-aliasing \
-fno-merge-constants -ffreestanding -fno-stack-protector \
-fno-stack-check
ASFLAGS += $(ARCH3264)
LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings
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