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>
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions
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.
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
37 TOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
40 # Variables below overridable from command-line:
41 # make VARNAME=value ...
45 # Where to install the package. GNU-EFI will create and access
46 # lib and include under the root
50 LIBDIR := $(PREFIX)/lib
54 HOSTCC := $(prefix)gcc
55 CC := $(prefix)$(CROSS_COMPILE)gcc
56 AS := $(prefix)$(CROSS_COMPILE)as
57 LD := $(prefix)$(CROSS_COMPILE)ld
58 AR := $(prefix)$(CROSS_COMPILE)ar
59 RANLIB := $(prefix)$(CROSS_COMPILE)ranlib
60 OBJCOPY := $(prefix)$(CROSS_COMPILE)objcopy
63 # Host/target identification
64 OS := $(shell uname -s)
65 HOSTARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv7.*,arm,' )
66 ARCH ?= $(shell $(HOSTCC) -dumpmachine | cut -f1 -d- | sed -e s,i[3456789]86,ia32, -e 's,armv7.*,arm,' )
68 # Get ARCH from the compiler if cross compiling
69 ifneq ($(CROSS_COMPILE),)
70 override ARCH := $(shell $(CC) -dumpmachine | cut -f1 -d-| sed -e s,i[3456789]86,ia32, -e 's,armv7.*,arm,' )
73 # FreeBSD (and possibly others) reports amd64 instead of x86_64
75 override ARCH := x86_64
79 # Where to build the package
81 OBJDIR := $(TOPDIR)/$(ARCH)
84 # Variables below derived from variables above
87 # Arch-specific compilation flags
88 CPPFLAGS += -DCONFIG_$(ARCH)
90 CFLAGS += -Wno-error=pragmas
93 CFLAGS += -mfixed-range=f32-f127
97 CFLAGS += -mno-mmx -mno-sse
98 ifeq ($(HOSTARCH),x86_64)
103 ifeq ($(ARCH),x86_64)
104 GCCVERSION := $(shell $(CC) -dumpversion | cut -f1 -d.)
105 GCCMINOR := $(shell $(CC) -dumpversion | cut -f2 -d.)
106 USING_CLANG := $(shell $(CC) -v 2>&1 | grep -q 'clang version' && echo clang)
108 # Rely on GCC MS ABI support?
109 GCCNEWENOUGH := $(shell ( [ $(GCCVERSION) -gt "4" ] \
110 || ( [ $(GCCVERSION) -eq "4" ] \
111 && [ $(GCCMINOR) -ge "7" ] ) ) \
113 ifeq ($(GCCNEWENOUGH),1)
114 CPPFLAGS += -DGNU_EFI_USE_MS_ABI -maccumulate-outgoing-args --std=c11
115 else ifeq ($(USING_CLANG),clang)
116 CPPFLAGS += -DGNU_EFI_USE_MS_ABI --std=c11
119 CFLAGS += -mno-red-zone
120 ifeq ($(HOSTARCH),ia32)
125 ifneq (,$(filter $(ARCH),ia32 x86_64))
126 # Disable AVX, if the compiler supports that.
127 CC_CAN_DISABLE_AVX=$(shell $(CC) -Werror -c -o /dev/null -xc -mno-avx - </dev/null >/dev/null 2>&1 && echo 1)
128 ifeq ($(CC_CAN_DISABLE_AVX), 1)
133 ifeq ($(ARCH),mips64el)
134 CFLAGS += -march=mips64r2
139 # Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv],
140 # otherwise we need to compose the PE/COFF header using the assembler
142 ifneq ($(ARCH),aarch64)
144 ifneq ($(ARCH),mips64el)
145 export HAVE_EFI_OBJCOPY=y
151 export LIBGCC=$(shell $(CC) $(ARCH3264) -print-libgcc-file-name)
158 # Generic compilation flags
159 INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \
160 -I$(TOPDIR)/inc/protocol
162 # Only enable -fpic for non MinGW compilers (unneeded on MinGW)
163 GCCMACHINE := $(shell $(CC) -dumpmachine)
164 ifneq (mingw32,$(findstring mingw32, $(GCCMACHINE)))
168 ifeq (FreeBSD, $(findstring FreeBSD, $(OS)))
169 CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \
170 -fshort-wchar -fno-strict-aliasing \
171 -ffreestanding -fno-stack-protector
173 CFLAGS += $(ARCH3264) -g -O2 -Wall -Wextra -Werror \
174 -fshort-wchar -fno-strict-aliasing \
175 -ffreestanding -fno-stack-protector -fno-stack-check \
177 $(if $(findstring gcc,$(CC)),-fno-merge-all-constants,)
181 ASFLAGS += $(ARCH3264)
182 LDFLAGS += -nostdlib --warn-common --no-undefined --fatal-warnings \