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115 lines
1.8 KiB
Makefile
115 lines
1.8 KiB
Makefile
# SPDX-License-Identifier: MIT
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# Copyright (c) 2022,2026 Leah Rowe <leah@libreboot.org>
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# Copyright (c) 2023 Riku Viitanen <riku.viitanen@protonmail.com>
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CC?=cc
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HELLCC?=clang
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CFLAGS?=
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LDFLAGS?=
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DESTDIR?=
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PREFIX?=/usr/local
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INSTALL?=install
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.SUFFIXES: .c .o
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LDIR?=
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PORTABLE?=$(LDIR) $(CFLAGS)
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WARN?=$(PORTABLE) -Wall -Wextra
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STRICT?=$(WARN) -std=c90 -pedantic -Werror
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HELLFLAGS?=$(STRICT) -Weverything
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PROG=nvmutil
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# source files
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SRCS = nvmutil.c state.c file.c string.c usage.c command.c num.c io.c \
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checksum.c word.c
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# object files
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OBJS = $(SRCS:.c=.o)
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# default mode
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MODE?=portable
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# default mode, options
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CFLAGS_MODE=$(PORTABLE)
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CC_MODE=$(CC)
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# override modes (options)
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ifeq ($(MODE),warn)
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CFLAGS_MODE=$(WARN)
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endif
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ifeq ($(MODE),strict)
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CFLAGS_MODE=$(STRICT)
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endif
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ifeq ($(MODE),hell)
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CFLAGS_MODE=$(HELLFLAGS)
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CC_MODE=$(HELLCC)
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endif
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# (rebuild on .h changes)
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# (commented for portability)
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#
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# CFLAGS_MODE += -MMD -MP
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# -include $(OBJS:.o=.d)
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#
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# likely more compatible,
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# on its own:
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# -include $(OBJS:.o=.d)
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#
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# i want this to build on
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# old make, so i'll leave
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# this blanked by default
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all: $(PROG)
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$(PROG): $(OBJS)
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$(CC_MODE) $(OBJS) -o $(PROG) $(LDFLAGS)
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# generic rules
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# .c.o: is the old style (portable)
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# modern equivalent:
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# %.o: %.c
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#
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.c.o:
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$(CC_MODE) $(CFLAGS_MODE) -c $< -o $@
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# -m in install is not portable
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# to old/other/weird versions.
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# use chmod directly.
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#
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install: $(PROG)
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$(INSTALL) -d $(DESTDIR)$(PREFIX)/bin
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$(INSTALL) $(PROG) $(DESTDIR)$(PREFIX)/bin/$(PROG)
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chmod 755 $(DESTDIR)$(PREFIX)/bin/$(PROG)
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uninstall:
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rm -f $(DESTDIR)$(PREFIX)/bin/$(PROG)
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clean:
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rm -f $(PROG) $(OBJS) *.d
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distclean: clean
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# easy commands
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warn:
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$(MAKE) MODE=warn
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strict:
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$(MAKE) MODE=strict
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hell:
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$(MAKE) MODE=hell
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.PHONY: all warn strict hell install uninstall clean distclean
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