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https://codeberg.org/libreboot/lbmk.git
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Leah Rowe
98aa88ad44
question mark respects environmental variables but isn't portable you can just pass as argument on the command line question mark is more useful for build systems, but i'm not really bothered. the old way works. Signed-off-by: Leah Rowe <leah@libreboot.org>
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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