127 lines
2.8 KiB
Makefile
127 lines
2.8 KiB
Makefile
# SPDX-License-Identifier: MIT
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ARCH ?= $(shell uname -m | sed \
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-e s/arm.*/arm/ \
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-e s/aarch64.*/arm64/ \
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-e s/x86_64/x86/ )
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CROSS_COMPILE ?=
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CC = $(CROSS_COMPILE)gcc
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LD = $(CROSS_COMPILE)ld
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AR = $(CROSS_COMPILE)ar
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UAPI ?= /usr/include
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DESTDIR ?= /usr/evl
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INSTALL ?= install
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INSTALL_PROGRAM ?= $(INSTALL)
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INSTALL_DATA ?= $(INSTALL) -m 644
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CP := cp
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CPIO := cpio
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RM := rm
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LN_S := ln -sf
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MKDIR_P := mkdir -p
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RMDIR_SAFE := rmdir --ignore-fail-on-non-empty
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libdir ?= lib
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includedir ?= include
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bindir ?= bin
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testdir ?= tests
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libexecdir ?= libexec
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export ARCH CROSS_COMPILE CC LD AR UAPI CFLAGS LDFLAGS DESTDIR
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MAKEFLAGS += -rR
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ifneq ("$(origin O)", "command line")
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O_DIR = $(CURDIR)
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else
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O_DIR := $(shell $(MKDIR_P) $(O) && cd $(O) && /bin/pwd)
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endif
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ifneq ("$(origin V)", "command line")
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V = 0
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endif
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ifeq ($(V),1)
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Q =
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else
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Q = @
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MAKEFLAGS += --no-print-directory
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endif
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ifeq ($(D),1)
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DEBUG_CPPFLAGS=
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DEBUG_CFLAGS=-g -O0
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else
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DEBUG_CPPFLAGS=-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
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DEBUG_CFLAGS=-O2
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endif
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BASE_CPPFLAGS := -D_GNU_SOURCE -D_REENTRANT $(DEBUG_CPPFLAGS)
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BASE_CFLAGS := -fasynchronous-unwind-tables -pipe -fstrict-aliasing \
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-Wall -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long \
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-Wno-unused-parameter -Wshadow=local -Werror $(DEBUG_CFLAGS)
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# Easy way to hide commas in args from $(call ...) invocations
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comma := ,
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ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
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quiet=y
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endif
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terse-echo = @$(if $(Q),echo " $(1) $(2)";)
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define run-cmd
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$(if $(quiet),,$(call terse-echo,$(1),$(2)))
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$(Q)$(3)
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endef
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define run-cc
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@$(MKDIR_P) $(dir $(2))
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$(call run-cmd,$(1),$(notdir $(2)),$(3))
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endef
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cc-pic-cmd = $(call run-cc,CC-PIC,$(1),$(2))
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cc-cmd = $(call run-cc,CC,$(1),$(2))
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dep-cmd = $(call run-cc,DEP,$(1),$(2))
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ccld-cmd = $(call run-cc,CCLD,$(1),$(2))
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ld-cmd = $(call run-cmd,LD,$(notdir $(1)),$(2))
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ar-cmd = $(call run-cmd,AR,$(notdir $(1)),$(2) $(if $(Q),2>/dev/null))
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inst-cmd = $(call run-cmd,INST,$(notdir $(1)),$(2))
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MAIN_GOALS := all clean clobber mrproper install
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_all:
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# Default target when no goal was given on the command line
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_all: all
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$(TARGETS):
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$(Q)$(MAKE) -C $@ O=$(O_DIR)/$@ V=$(V)
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$(O_DIR)/%.d: %.c
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$(call dep-cmd,$@,@$(CC) -MM $(CFLAGS) $< | sed 's$(comma)\($*\)\.o[ :]*$(comma)$(O_DIR)/\1.o $@: $(comma)g' > $@ || rm -f $@)
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define MAKEFLY =
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# Automatically generated: do not edit
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MAKEARGS := O=$(O_DIR) -C $(CURDIR) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) UAPI=$(UAPI) DESTDIR=$(DESTDIR)
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$$(filter-out sub-make, $$(MAKECMDGOALS)): sub-make
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@:
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sub-make:
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$$(MAKE) $$(MAKEARGS) $$(MAKECMDGOALS)
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endef
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# CURDIR is the source directory
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export MAKEFLY
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output-Makefile:
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ifneq ($(O_DIR), $(CURDIR))
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@if test \! -e $(O_DIR)/Makefile || grep -q Automatically $(O_DIR)/Makefile; then \
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echo "$$MAKEFLY" > $(O_DIR)/Makefile; \
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fi
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endif
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FORCE:
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.PHONY: _all $(MAIN_GOALS) output-Makefile FORCE
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