563 lines
19 KiB
Makefile
563 lines
19 KiB
Makefile
#
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# Copyright (C) 2008 NVIDIA Corporation
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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#
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#
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# utils.mk: common Makefile fragment used by nvidia-xconfig,
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# nvidia-installer, and nvidia-settings
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#
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##############################################################################
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# The calling Makefile (when building as part of the NVIDIA graphics
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# driver) may export any of the following variables; we assign default
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# values if they are not exported by the caller
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##############################################################################
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CC ?= gcc
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CXX ?= g++
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LD ?= ld
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AR ?= ar
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# only set these warnings if CFLAGS is unset
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CFLAGS ?= -Wall
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# always set these -f CFLAGS
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CFLAGS += -fno-strict-aliasing -fno-omit-frame-pointer -Wformat=2
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CC_ONLY_CFLAGS ?=
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CXX_ONLY_CFLAGS ?=
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LDFLAGS ?=
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BIN_LDFLAGS ?=
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STACK_USAGE_WARNING ?=
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CFLAGS += $(if $(STACK_USAGE_WARNING),-Wstack-usage=$(STACK_USAGE_WARNING))
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HOST_CC ?= $(CC)
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HOST_LD ?= $(LD)
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HOST_CFLAGS ?= $(CFLAGS)
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HOST_CC_ONLY_CFLAGS ?=
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HOST_CXX_ONLY_CFLAGS ?=
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HOST_LDFLAGS ?= $(LDFLAGS)
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HOST_BIN_LDFLAGS ?=
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# always disable warnings that will break the build
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CC_ONLY_CFLAGS += -Wno-format-zero-length
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CFLAGS += -Wno-unused-parameter
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HOST_CC_ONLY_CFLAGS += -Wno-format-zero-length
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HOST_CFLAGS += -Wno-unused-parameter
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# Treat warnings as errors, if requested
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WARNINGS_AS_ERRORS ?=
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CFLAGS += $(if $(WARNINGS_AS_ERRORS),-Werror)
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DEBUG ?=
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DEVELOP ?=
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ifeq ($(DEBUG),1)
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STRIP_CMD ?= true
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DO_STRIP ?=
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CFLAGS += -O0 -g
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CFLAGS += -DDEBUG=1
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else
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CFLAGS += -O2
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endif
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ifeq ($(DEVELOP),1)
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STRIP_CMD ?= true
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DO_STRIP ?=
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CFLAGS += -DDEVELOP=1
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endif
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STRIP_CMD ?= strip
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DO_STRIP ?= 1
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INSTALL ?= install
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INSTALL_BIN_ARGS ?= -m 755
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INSTALL_LIB_ARGS ?= -m 644
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INSTALL_DOC_ARGS ?= -m 644
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M4 ?= m4
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SED ?= sed
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M4 ?= m4
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ECHO ?= echo
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PRINTF ?= printf
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MKDIR ?= mkdir -p
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RM ?= rm -f
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TOUCH ?= touch
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HARDLINK ?= ln -f
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DATE ?= date
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GZIP_CMD ?= gzip
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CHMOD ?= chmod
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OBJCOPY ?= objcopy
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XZ ?= xz
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WHOAMI ?= whoami
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ifndef HOSTNAME
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HOSTNAME = $(shell hostname)
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endif
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NV_AUTO_DEPEND ?= 1
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NV_VERBOSE ?= 0
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ifndef TARGET_OS
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TARGET_OS := $(shell uname)
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endif
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ifeq ($(TARGET_OS),Linux)
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CFLAGS += -DNV_LINUX
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endif
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ifeq ($(TARGET_OS),FreeBSD)
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CFLAGS += -DNV_BSD
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endif
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ifeq ($(TARGET_OS),SunOS)
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CFLAGS += -DNV_SUNOS
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endif
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ifndef TARGET_ARCH
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TARGET_ARCH := $(shell uname -m)
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TARGET_ARCH := $(subst i386,x86,$(TARGET_ARCH))
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TARGET_ARCH := $(subst i486,x86,$(TARGET_ARCH))
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TARGET_ARCH := $(subst i586,x86,$(TARGET_ARCH))
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TARGET_ARCH := $(subst i686,x86,$(TARGET_ARCH))
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endif
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ifeq ($(TARGET_ARCH),x86)
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CFLAGS += -DNV_X86 -DNV_ARCH_BITS=32
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endif
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ifeq ($(TARGET_ARCH),x86_64)
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CFLAGS += -DNV_X86_64 -DNV_ARCH_BITS=64
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endif
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ifeq ($(TARGET_ARCH),armv7l)
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CFLAGS += -DNV_ARMV7 -DNV_ARCH_BITS=32
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endif
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ifeq ($(TARGET_ARCH),aarch64)
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CFLAGS += -DNV_AARCH64 -DNV_ARCH_BITS=64
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endif
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ifeq ($(TARGET_ARCH),ppc64le)
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CFLAGS += -DNV_PPC64LE -DNV_ARCH_BITS=64
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endif
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ifeq ($(TARGET_OS),Linux)
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LIBDL_LIBS = -ldl
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else
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LIBDL_LIBS =
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endif
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# This variable controls which floating-point ABI is targeted. For ARM, it
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# defaults to "gnueabi" for softfp. Another option is "gnueabihf" for
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# hard(fp). This is necessary to pick up the correct rtld_test binary.
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# All other architectures default to empty.
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ifeq ($(TARGET_ARCH),armv7l)
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TARGET_ARCH_ABI ?= gnueabi
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endif
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TARGET_ARCH_ABI ?=
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ifeq ($(TARGET_ARCH_ABI),gnueabi)
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CFLAGS += -DNV_GNUEABI
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endif
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ifeq ($(TARGET_ARCH_ABI),gnueabihf)
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CFLAGS += -DNV_GNUEABIHF
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endif
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OUTPUTDIR ?= _out/$(TARGET_OS)_$(TARGET_ARCH)
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OUTPUTDIR_ABSOLUTE ?= $(CURDIR)/$(OUTPUTDIR)
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NV_SEPARATE_DEBUG_INFO ?=
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NV_KEEP_UNSTRIPPED_BINARIES ?=
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NV_QUIET_COMMAND_REMOVED_TARGET_PREFIX ?=
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NV_GENERATED_HEADERS ?=
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PCIACCESS_CFLAGS ?=
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PCIACCESS_LDFLAGS ?=
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##############################################################################
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# This makefile uses the $(eval) builtin function, which was added in
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# GNU make 3.80. Check that the current make version recognizes it.
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# Idea suggested by "The GNU Make Book" by John Graham-Cumming.
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##############################################################################
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_eval_available :=
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$(eval _eval_available := T)
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ifneq ($(_eval_available),T)
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$(error This Makefile requires a GNU Make that supports 'eval'. Please upgrade to GNU make 3.80 or later)
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endif
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##############################################################################
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# Test passing $(1) to $(CC). If $(CC) succeeds, then echo $(1).
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#
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# Because this uses $(shell), it is best to use this to assign simply expanded
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# variables (e.g., ":=").
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#
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# Example usage:
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# CONDITIONAL_CFLAGS := $(call TEST_CC_ARG, -ffoo)
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##############################################################################
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TEST_CC_ARG = \
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$(shell $(CC) -c -x c /dev/null -Werror $(1) -o /dev/null > /dev/null 2>&1 && \
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$(ECHO) $(1))
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##############################################################################
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# define variables used when installing the open source utilities from
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# the source tarball
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##############################################################################
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PREFIX ?= /usr/local
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BINDIR = $(DESTDIR)$(PREFIX)/bin
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LIBDIR = $(DESTDIR)$(PREFIX)/lib
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MANDIR = $(DESTDIR)$(PREFIX)/share/man/man1
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##############################################################################
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# default build rule, so that nothing here in utils.mk accidentally
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# gets selected as the default rule
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##############################################################################
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default build: all
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##############################################################################
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# get the definition of NVIDIA_VERSION from version.mk
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#
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# version.mk may be in one of two places: either in $(OUTPUTDIR) when
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# building as part of the NVIDIA driver build, or directly in the
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# source directory when building from the source tarball
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#
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# Throw an error if one of these two places did not define NVIDIA_VERSION.
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##############################################################################
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VERSION_MK_DIR ?= .
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VERSION_MK := $(wildcard $(OUTPUTDIR)/version.mk $(VERSION_MK_DIR)/version.mk )
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include $(VERSION_MK)
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ifndef NVIDIA_VERSION
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$(error NVIDIA_VERSION undefined)
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endif
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##############################################################################
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# NV_GET_SOURCE_TYPE: if the source file $(1) should be compiled as C, this
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# evalutes to "CC"; if the source file $(1) should be compiled as C++, this
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# evalutes to "CXX".
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##############################################################################
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NV_GET_SOURCE_TYPE = $(strip \
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$(if $(filter %.c, $(1)),CC, \
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$(if $(filter %.cpp, $(1)),CXX, \
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$(error Unrecognized source $(1)))))
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##############################################################################
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# Several of the functions below take an argument that indicates if
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# the expression is for the target platform (the system the built
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# program is going to run on) or the host platform (the system
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# performing the build). The argument is either "HOST" or "TARGET"
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# and needs to be converted:
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#
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# "HOST" -> "HOST_"
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# "TARGET" -> ""
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##############################################################################
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host_target = $(patsubst HOST,HOST_,$(patsubst TARGET,,$(1)))
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##############################################################################
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# To generate the dependency files:
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#
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# - Use the compiler's "-MMD" option to generate output of the form
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# "foo.o : foo.c foo.h bar.h".
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#
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# - Also, "-MMD" will cause the compiler to name the target as if it were in the
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# current directory ("foo.o: "); use -MT to rename the target in the output
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# directory ("_out/Linux_x86/foo.o: ") so that the target actually applies to
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# the object files produced in the build.
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#
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# - Use -MP to generate a phony target for each of those prerequisites (except
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# the source file being compiled). E.g.,
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# "foo.o : foo.c foo.h bar.h
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# foo.h:
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# bar.h:"
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# so that the makefile can handle incremental builds after a prerequisite has
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# been deleted from source control.
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#
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# - Use sed to remove the source file from the list of prerequisties in the
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# above, so that the makefile can handle increment builds after the source has
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# moved from one directory to another. The DEFINE_OBJECT_RULE macro spells
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# out the obj: src dependency, so we don't require it here.
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##############################################################################
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ifeq ($(NV_AUTO_DEPEND),1)
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AUTO_DEP_SUFFIX = -MMD -MF $$(@:.o=.d.to_be_processed) -MP -MT $$@ && \
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$$(SED) -e "1,3s| $$< | |" < $$(@:.o=.d.to_be_processed) > $$(@:.o=.d)
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else
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AUTO_DEP_SUFFIX =
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endif
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##############################################################################
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# echo minimal compile information in the non-NV_VERBOSE case
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#
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# NV_MODULE_LOGGING_NAME can be set to prepend quiet build output with a
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# label of which build component is being built
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##############################################################################
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NV_MODULE_LOGGING_NAME ?=
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ifeq ($(NV_VERBOSE),0)
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at_if_quiet := @
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quiet_cmd_no_at = $(PRINTF) \
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" $(if $(NV_MODULE_LOGGING_NAME),[ %-17.17s ],%s) $(quiet_$(1))\n" \
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"$(NV_MODULE_LOGGING_NAME)" && $($(1))
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quiet_cmd = @$(quiet_cmd_no_at)
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else
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at_if_quiet :=
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quiet_cmd_no_at = $($(1))
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quiet_cmd = $($(1))
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endif
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# define LINK and HOST_LINK to be the same as CC; this is so that,
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# even though we use CC to link programs, we can have a different
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# quiet rule that uses '$@' as it's arg, rather than '$<'
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LINK = $(CC)
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HOST_LINK = $(HOST_CC)
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# strip NV_QUIET_COMMAND_REMOVED_TARGET_PREFIX from the target string
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define_quiet_cmd = $(1) $(patsubst $(NV_QUIET_COMMAND_REMOVED_TARGET_PREFIX)/%,%,$(2))
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# define the quiet commands:
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quiet_CC = $(call define_quiet_cmd,CC ,$<)
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quiet_CXX = $(call define_quiet_cmd,CXX ,$<)
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quiet_HOST_CC = $(call define_quiet_cmd,HOST_CC ,$<)
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quiet_HOST_CXX = $(call define_quiet_cmd,HOST_CXX ,$<)
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quiet_LINK = $(call define_quiet_cmd,LINK ,$@)
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quiet_HOST_LINK = $(call define_quiet_cmd,HOST_LINK ,$@)
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quiet_M4 = $(call define_quiet_cmd,M4 ,$<)
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quiet_STRIP_CMD = $(call define_quiet_cmd,STRIP ,$@)
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quiet_HARDLINK = $(call define_quiet_cmd,HARDLINK ,$@)
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quiet_LD = $(call define_quiet_cmd,LD ,$@)
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quiet_OBJCOPY = $(call define_quiet_cmd,OBJCOPY ,$@)
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quiet_AR = $(call define_quiet_cmd,AR ,$@)
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quiet_XZ = $(call define_quiet_cmd,XZ ,$@)
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##############################################################################
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# Tell gmake to delete the target of a rule if it has changed and its
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# commands exit with a nonzero exit status.
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##############################################################################
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.DELETE_ON_ERROR:
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##############################################################################
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# function to generate a list of object files from their corresponding
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# source files using the specified path. The _WITH_DIR variant takes an
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# output path as the second argument while the BUILD_OBJECT_LIST defaults
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# to using the value of OUTPUTDIR as the output path. example usage:
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#
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# OBJS = $(call BUILD_OBJECT_LIST_WITH_DIR,$(SRC),$(DIR))
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##############################################################################
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BUILD_OBJECT_LIST_WITH_DIR = \
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$(addprefix $(2)/,$(notdir $(addsuffix .o,$(basename $(1)))))
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BUILD_OBJECT_LIST = \
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$(call BUILD_OBJECT_LIST_WITH_DIR,$(1),$(OUTPUTDIR))
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$(call BUILD_OBJECT_LIST,nvpci-utils.c): CFLAGS += $(PCIACCESS_CFLAGS)
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##############################################################################
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# function to generate a list of dependency files from their
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# corresponding source files using the specified path. The _WITH_DIR
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# variant takes an output path as the second argument while the
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# BUILD_DEPENDENCY_LIST default to using the value of OUTPUTDIR as the
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# output path. example usage:
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#
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# DEPS = $(call BUILD_DEPENDENCY_LIST_WITH_DIR,$(SRC),$(DIR))
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##############################################################################
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BUILD_DEPENDENCY_LIST_WITH_DIR = \
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$(addprefix $(2)/,$(notdir $(addsuffix .d,$(basename $(1)))))
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BUILD_DEPENDENCY_LIST = \
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$(call BUILD_DEPENDENCY_LIST_WITH_DIR,$(1),$(OUTPUTDIR))
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##############################################################################
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# functions to define a rule to build an object file; the first
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# argument for all functions is whether the rule is for the target or
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# host platform ("HOST" or "TARGET"), the second argument for all
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# functions is the source file to compile.
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#
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# An order-only dependency is added on any generated header files listed in
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# $(NV_GENERATED_HEADERS), to ensure they're present before invoking the
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# compiler. For incremental builds where the object file already exists, a
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# real (not order-only) dependency will be created by automatic dependency
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# tracking if needed.
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#
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# The _WITH_OBJECT_NAME and _WITH_DIR function name suffixes describe
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# the third and possibly fourth arguments based on order. The
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# _WITH_OBJECT_NAME argument is the object filename to produce while
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# the _WITH_DIR argument is the destination path for the object file.
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#
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# Example usage:
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#
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# $(eval $(call DEFINE_OBJECT_RULE,TARGET,foo.c))
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#
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# Note this also attempts to include the dependency file for this
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# source file.
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#
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# The DEFINE_OBJECT_RULE is functionally equivalent to
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# DEFINE_OBJECT_RULE_WITH_OBJECT_NAME, but infers the object file name
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# from the source file name (this is normally what you want).
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#
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# Arguments:
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# $(1) : HOST or TARGET
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# $(2) : source file
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# $(3) : object file
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# $(4) : directory
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##############################################################################
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define DEFINE_OBJECT_RULE_WITH_OBJECT_NAME_WITH_DIR
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$(3): NV_SOURCE_TYPE = $$(call NV_GET_SOURCE_TYPE,$(2))
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# obj: {HOST_,}CFLAGS += $$({HOST_,}{CC,CXX}_ONLY_CFLAGS)
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$(3): $$(call host_target,$(1))CFLAGS += \
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$$($(call host_target,$(1))$$(NV_SOURCE_TYPE)_ONLY_CFLAGS)
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$(3): $(2) | $$(NV_GENERATED_HEADERS)
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@$(MKDIR) $(4)
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$$(call quiet_cmd,$(call host_target,$(1))$$(NV_SOURCE_TYPE)) \
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$$($(call host_target,$(1))CFLAGS) -c $$< -o $$@ \
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$(AUTO_DEP_SUFFIX)
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-include $$(call BUILD_DEPENDENCY_LIST_WITH_DIR,$(3),$(4))
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# declare empty rule for generating dependency file; we generate the
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# dependency files implicitly when compiling the source file (see
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# AUTO_DEP_SUFFIX above), so we don't want gmake to spend time searching
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# for an explicit rule to generate the dependency file
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$$(call BUILD_DEPENDENCY_LIST_WITH_DIR,$(3),$(4)): ;
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endef
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define DEFINE_OBJECT_RULE_WITH_OBJECT_NAME
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$$(eval $$(call DEFINE_OBJECT_RULE_WITH_OBJECT_NAME_WITH_DIR,$(1),$(2),\
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$(3),$(OUTPUTDIR)))
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endef
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define DEFINE_OBJECT_RULE_WITH_DIR
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$$(eval $$(call DEFINE_OBJECT_RULE_WITH_OBJECT_NAME_WITH_DIR,$(1),$(2),\
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$$(call BUILD_OBJECT_LIST_WITH_DIR,$(2),$(3)),$(3)))
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endef
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define DEFINE_OBJECT_RULE
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$$(eval $$(call DEFINE_OBJECT_RULE_WITH_DIR,$(1),$(2),$(OUTPUTDIR)))
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endef
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# This is a function that will generate rules to build
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# files with separate debug information, if so requested.
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#
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# It takes one parameter: (1) Name of unstripped binary
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#
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# When used, the target for linking should be named (1).unstripped
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#
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# If separate debug information is requested, it will
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# generate a rule to build one from the unstripped binary.
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# If requested, it will also retain the unstripped binary.
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define DEBUG_INFO_RULES
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$(1): $(1).unstripped
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ifneq ($(or $(DO_STRIP),$(NV_SEPARATE_DEBUG_INFO)),)
|
|
$$(call quiet_cmd,STRIP_CMD) -o $$@ $$<
|
|
else
|
|
$$(call quiet_cmd,HARDLINK) $$^ $$@
|
|
endif
|
|
ifeq ($(NV_SEPARATE_DEBUG_INFO),1)
|
|
$(1).debug: $(1).unstripped
|
|
$$(call quiet_cmd,STRIP_CMD) --only-keep-debug -o $$@ $$<
|
|
$(1): $(1).debug
|
|
endif
|
|
ifneq ($(NV_KEEP_UNSTRIPPED_BINARIES),1)
|
|
.INTERMEDIATE: $(1).unstripped
|
|
endif
|
|
endef
|
|
|
|
##############################################################################
|
|
# Define rule for generating a source file containing identification information
|
|
# for the build.
|
|
#
|
|
# $(1) string name
|
|
# $(2) module name
|
|
# $(3) prerequisite object files
|
|
##############################################################################
|
|
|
|
NVIDSTRING = $(OUTPUTDIR)/g_nvid_string.c
|
|
|
|
ifeq ($(DEBUG),1)
|
|
NVIDSTRING_BUILD_TYPE_STRING = Debug Build
|
|
else
|
|
NVIDSTRING_BUILD_TYPE_STRING = Release Build
|
|
endif
|
|
|
|
define GENERATE_NVIDSTRING
|
|
# g_nvid_string.c depends on all objects except g_nvid_string.o, and version.mk
|
|
$(NVIDSTRING): $$(filter-out $$(call BUILD_OBJECT_LIST,$$(NVIDSTRING)), $(3)) $$(VERSION_MK)
|
|
$(at_if_quiet)$$(MKDIR) $$(dir $$@)
|
|
$(at_if_quiet)$$(ECHO) "const char $(1)[] = \"nvidia id: NVIDIA $$(strip $(2)) for $$(TARGET_ARCH) $$(NVIDIA_VERSION) $$(NVIDSTRING_BUILD_TYPE_STRING) (`$$(WHOAMI)`@$$(HOSTNAME)) `$$(DATE)`\";" > $$@
|
|
$(at_if_quiet)$$(ECHO) "const char *const p$$(strip $(1)) = $(1) + 11;" >> $$@;
|
|
endef
|
|
|
|
|
|
##############################################################################
|
|
# Define rules that can be used for embedding a file into an ELF object that
|
|
# contains the raw contents of that file and symbols pointing to the embedded
|
|
# data.
|
|
#
|
|
# Note that objcopy will name the symbols in the resulting object file based on
|
|
# the filename specified in $(1). For example,
|
|
#
|
|
# $(eval $(call $(READ_ONLY_OBJECT_FROM_FILE_RULE),a/b/c))
|
|
#
|
|
# will create an object named $(OUTPUTDIR)/c.o with the symbols _binary_c_start,
|
|
# _binary_c_end, and _binary_c_size.
|
|
#
|
|
# Arguments:
|
|
# $(1): Path to the file to convert
|
|
##############################################################################
|
|
|
|
define READ_ONLY_OBJECT_FROM_FILE_RULE
|
|
$$(OUTPUTDIR)/$$(notdir $(1)).o: $(1)
|
|
$(at_if_quiet)$$(MKDIR) $$(OUTPUTDIR)
|
|
$(at_if_quiet)cd $$(dir $(1)); \
|
|
$$(call quiet_cmd_no_at,LD) -r -z noexecstack --format=binary \
|
|
$$(notdir $(1)) -o $$(OUTPUTDIR_ABSOLUTE)/$$(notdir $$@)
|
|
$$(call quiet_cmd,OBJCOPY) \
|
|
--rename-section .data=.rodata,contents,alloc,load,data,readonly \
|
|
$$@
|
|
endef
|