9d6b441ec5
Don't allow duplicate symbols, abort upon first error. also make sure the linker script comes last for apps. Signed-off-by: David Decotigny <decot@googlers.com>
118 lines
3.9 KiB
Makefile
118 lines
3.9 KiB
Makefile
# -*- 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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INSTALLROOT := /
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PREFIX := /usr/local
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LIBDIR := $(PREFIX)/lib
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INSTALL := install
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# Host/target identification
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OS := $(shell uname -s)
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HOSTARCH := $(shell uname -m | sed s,i[3456789]86,ia32,)
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ARCH := $(shell uname -m | sed s,i[3456789]86,ia32,)
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# FreeBSD (and possibly others) reports amd64 instead of x86_64
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ifeq ($(ARCH),amd64)
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override ARCH := x86_64
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endif
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# Compilation tools
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prefix := /usr/bin/
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CC := $(prefix)gcc
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AS := $(prefix)as
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LD := $(prefix)ld
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AR := $(prefix)ar
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RANLIB := $(prefix)ranlib
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OBJCOPY := $(prefix)objcopy
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#
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# Variables below derived from variables above
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#
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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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# 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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endif
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# Arch-specific compilation flags
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CPPFLAGS += -DCONFIG_$(ARCH)
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ifeq ($(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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ifeq ($(ARCH),x86_64)
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CFLAGS += -mno-red-zone -mno-mmx -mno-sse
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ifeq ($(HOSTARCH),ia32)
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ARCH3264 = -m64
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endif
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endif
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# 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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CFLAGS += $(ARCH3264) -O2 -fpic -Wall -fshort-wchar -fno-strict-aliasing \
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-fno-merge-constants -ffreestanding -fno-stack-protector \
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-fno-stack-check
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ASFLAGS += $(ARCH3264)
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LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings
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