1 # -*- makefile -*- 2 # Copyright (c) 1999-2007 Hewlett-Packard Development Company, L.P. 3 # Contributed by David Mosberger <davidm (a] hpl.hp.com> 4 # Contributed by Stephane Eranian <eranian (a] 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 37 TOPDIR := $(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 # 48 INSTALLROOT := / 49 PREFIX := /usr/local 50 LIBDIR := $(PREFIX)/lib 51 INSTALL := install 52 53 # Compilation tools 54 prefix := /usr/bin/ 55 CC := $(prefix)gcc 56 AS := $(prefix)as 57 LD := $(prefix)ld 58 AR := $(prefix)ar 59 RANLIB := $(prefix)ranlib 60 OBJCOPY := $(prefix)objcopy 61 62 63 # Host/target identification 64 OS := $(shell uname -s) 65 HOSTARCH := $(shell $(CC) -dumpmachine | cut -f1 -d- | sed s,i[3456789]86,ia32,) 66 ARCH := $(shell uname -m | sed s,i[3456789]86,ia32,) 67 68 # FreeBSD (and possibly others) reports amd64 instead of x86_64 69 ifeq ($(ARCH),amd64) 70 override ARCH := x86_64 71 endif 72 73 # 74 # Variables below derived from variables above 75 # 76 77 GCCVERSION := $(shell $(CC) -dumpversion | cut -f1 -d.) 78 GCCMINOR := $(shell $(CC) -dumpversion | cut -f2 -d.) 79 80 # Rely on GCC MS ABI support? 81 GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ] \ 82 || ( [ $(GCCVERSION) -eq "4" ] \ 83 && [ $(GCCMINOR) -ge "7" ] ) ) \ 84 && echo 1) 85 ifeq ($(GCCNEWENOUGH),1) 86 CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11 87 endif 88 89 # Arch-specific compilation flags 90 CPPFLAGS += -DCONFIG_$(ARCH) 91 92 ifeq ($(ARCH),ia64) 93 CFLAGS += -mfixed-range=f32-f127 94 endif 95 96 ifeq ($(ARCH),ia32) 97 CFLAGS += -mno-mmx -mno-sse 98 ifeq ($(HOSTARCH),x86_64) 99 ARCH3264 = -m32 100 endif 101 endif 102 103 ifeq ($(ARCH),x86_64) 104 CFLAGS += -mno-red-zone -mno-mmx -mno-sse 105 ifeq ($(HOSTARCH),ia32) 106 ARCH3264 = -m64 107 endif 108 endif 109 110 # Generic compilation flags 111 INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \ 112 -I$(TOPDIR)/inc/protocol 113 CFLAGS += $(ARCH3264) -O2 -fpic -Wall -fshort-wchar -fno-strict-aliasing \ 114 -fno-merge-constants -ffreestanding -fno-stack-protector \ 115 -fno-stack-check 116 ASFLAGS += $(ARCH3264) 117 LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings 118
