1# -*- makefile -*- 2# Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P. 3# Contributed by David Mosberger <davidm@hpl.hp.com> 4# Contributed by Stephane Eranian <eranian@hpl.hp.com> 5# 6# All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 12# * Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# * Redistributions in binary form must reproduce the above 15# copyright notice, this list of conditions and the following 16# disclaimer in the documentation and/or other materials 17# provided with the distribution. 18# * Neither the name of Hewlett-Packard Co. nor the names of its 19# contributors may be used to endorse or promote products derived 20# from this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 23# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 24# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 27# BE LIABLE FOR ANYDIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 28# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 29# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 32# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 33# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34# SUCH DAMAGE. 35# 36 37TOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi) 38 39# 40# Variables below overridable from command-line: 41# make VARNAME=value ... 42# 43 44# 45# Where to install the package. GNU-EFI will create and access 46# lib and include under the root 47# 48INSTALLROOT := / 49PREFIX := /usr/local 50LIBDIR := $(PREFIX)/lib 51INSTALL := install 52 53# Compilation tools 54prefix := /usr/bin/ 55CC := $(prefix)gcc 56AS := $(prefix)as 57LD := $(prefix)ld 58AR := $(prefix)ar 59RANLIB := $(prefix)ranlib 60OBJCOPY := $(prefix)objcopy 61 62 63# Host/target identification 64OS := $(shell uname -s) 65HOSTARCH := $(shell $(CC) -dumpmachine | cut -f1 -d- | sed s,i[3456789]86,ia32,) 66ARCH := $(shell uname -m | sed s,i[3456789]86,ia32,) 67 68# FreeBSD (and possibly others) reports amd64 instead of x86_64 69ifeq ($(ARCH),amd64) 70 override ARCH := x86_64 71endif 72 73# 74# Variables below derived from variables above 75# 76 77GCCVERSION := $(shell $(CC) -dumpversion | cut -f1 -d.) 78GCCMINOR := $(shell $(CC) -dumpversion | cut -f2 -d.) 79 80# Rely on GCC MS ABI support? 81GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ] \ 82 || ( [ $(GCCVERSION) -eq "4" ] \ 83 && [ $(GCCMINOR) -ge "7" ] ) ) \ 84 && echo 1) 85ifeq ($(GCCNEWENOUGH),1) 86 CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11 87endif 88 89# Arch-specific compilation flags 90CPPFLAGS += -DCONFIG_$(ARCH) 91 92ifeq ($(ARCH),ia64) 93 CFLAGS += -mfixed-range=f32-f127 94endif 95 96ifeq ($(ARCH),ia32) 97 CFLAGS += -mno-mmx -mno-sse 98 ifeq ($(HOSTARCH),x86_64) 99 ARCH3264 = -m32 100 endif 101endif 102 103ifeq ($(ARCH),x86_64) 104 CFLAGS += -mno-red-zone -mno-mmx -mno-sse 105 ifeq ($(HOSTARCH),ia32) 106 ARCH3264 = -m64 107 endif 108endif 109 110# Generic compilation flags 111INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \ 112 -I$(TOPDIR)/inc/protocol 113CFLAGS += $(ARCH3264) -O2 -fpic -Wall -fshort-wchar -fno-strict-aliasing \ 114 -fno-merge-constants -ffreestanding -fno-stack-protector \ 115 -fno-stack-check 116ASFLAGS += $(ARCH3264) 117LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings 118