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-rw-r--r--util/libreboot-utils/Makefile172
1 files changed, 72 insertions, 100 deletions
diff --git a/util/libreboot-utils/Makefile b/util/libreboot-utils/Makefile
index 92e8a3a6..298a1972 100644
--- a/util/libreboot-utils/Makefile
+++ b/util/libreboot-utils/Makefile
@@ -2,34 +2,36 @@
# Copyright (c) 2022,2026 Leah Rowe <leah@libreboot.org>
# Copyright (c) 2023 Riku Viitanen <riku.viitanen@protonmail.com>
-# Makefile for nvmutil, which is an application
-# that modifies Intel GbE NVM configurations.
-
CC = cc
-HELLCC = clang
-
CFLAGS = -Os -Wall -Wextra -std=c99 -pedantic
LDFLAGS =
-DESTDIR =
PREFIX = /usr/local
+DESTDIR =
INSTALL = install
-# used for portability testing on linux:
-#
-PORT_OPENAT = -DUSE_OPENAT=1
-PORT_ARC4 = -DUSE_ARC4=1
-PORT_URANDOM = -DUSE_URANDOM=1
-
-.SUFFIXES: .c .o
-
-LDIR =
-
-HELLFLAGS = $(STRICT) -Weverything
-
-PROG = nvmutil
-PROGMKH = mkhtemp
-PROGLOT = lottery
-
+PROGS = nvmutil mkhtemp lottery
+
+OBJDIR = obj
+
+# sources
+LIB_SRCS = \
+ lib/state.c \
+ lib/file.c \
+ lib/string.c \
+ lib/usage.c \
+ lib/command.c \
+ lib/num.c \
+ lib/io.c \
+ lib/checksum.c \
+ lib/word.c \
+ lib/mkhtemp.c \
+ lib/rand.c
+
+NVMUTIL_SRCS = nvmutil.c $(LIB_SRCS)
+MKHTEMP_SRCS = mkhtemp.c lib/file.c lib/string.c lib/num.c lib/mkhtemp.c lib/rand.c
+LOTTERY_SRCS = lottery.c lib/file.c lib/string.c lib/num.c lib/mkhtemp.c lib/rand.c
+
+# manually mapped objects (yes, explicit = portable)
OBJS_NVMUTIL = \
obj/nvmutil.o \
obj/lib/state.o \
@@ -60,107 +62,77 @@ OBJS_LOTTERY = \
obj/lib/mkhtemp.o \
obj/lib/rand.o
-# default mode
-CC_MODE = $(CC)
+all: $(PROGS)
-all: $(PROG) $(PROGMKH) $(PROGLOT)
+nvmutil: $(OBJS_NVMUTIL)
+ $(CC) $(CFLAGS) $(OBJS_NVMUTIL) -o $@ $(LDFLAGS)
-$(PROG): $(OBJS_NVMUTIL)
- $(CC_MODE) $(CFLAGS) $(OBJS_NVMUTIL) -o $(PROG) $(LDFLAGS)
+mkhtemp: $(OBJS_MKHTEMP)
+ $(CC) $(CFLAGS) $(OBJS_MKHTEMP) -o $@ $(LDFLAGS)
-$(PROGMKH): $(OBJS_MKHTEMP)
- $(CC_MODE) $(CFLAGS) $(OBJS_MKHTEMP) -o $(PROGMKH) $(LDFLAGS)
-
-$(PROGLOT): $(OBJS_LOTTERY)
- $(CC_MODE) $(CFLAGS) $(OBJS_LOTTERY) -o $(PROGLOT) $(LDFLAGS)
-
-# ensure obj directory exists
-$(OBJS_NVMUTIL): obj
-$(OBJS_MKHTEMP): obj
-$(OBJS_LOTTERY): obj
+lottery: $(OBJS_LOTTERY)
+ $(CC) $(CFLAGS) $(OBJS_LOTTERY) -o $@ $(LDFLAGS)
+# ensure dirs exist
obj:
- mkdir obj || true
- mkdir obj/lib || true
-
-# main program object
-
-obj/nvmutil.o: nvmutil.c
- $(CC_MODE) $(CFLAGS) -c nvmutil.c -o obj/nvmutil.o
-
-obj/mkhtemp.o: mkhtemp.c
- $(CC_MODE) $(CFLAGS) -c mkhtemp.c -o obj/mkhtemp.o
+ mkdir -p obj/lib
-obj/lottery.o: lottery.c
- $(CC_MODE) $(CFLAGS) -c lottery.c -o obj/lottery.o
+# compile rules (EXPLICIT = portable)
+obj/nvmutil.o: nvmutil.c | obj
+ $(CC) $(CFLAGS) -c nvmutil.c -o $@
-# library/helper objects
+obj/mkhtemp.o: mkhtemp.c | obj
+ $(CC) $(CFLAGS) -c mkhtemp.c -o $@
-obj/lib/state.o: lib/state.c
- $(CC_MODE) $(CFLAGS) -c lib/state.c -o obj/lib/state.o
+obj/lottery.o: lottery.c | obj
+ $(CC) $(CFLAGS) -c lottery.c -o $@
-obj/lib/file.o: lib/file.c
- $(CC_MODE) $(CFLAGS) -c lib/file.c -o obj/lib/file.o
+obj/lib/state.o: lib/state.c | obj
+ $(CC) $(CFLAGS) -c lib/state.c -o $@
-obj/lib/string.o: lib/string.c
- $(CC_MODE) $(CFLAGS) -c lib/string.c -o obj/lib/string.o
+obj/lib/file.o: lib/file.c | obj
+ $(CC) $(CFLAGS) -c lib/file.c -o $@
-obj/lib/usage.o: lib/usage.c
- $(CC_MODE) $(CFLAGS) -c lib/usage.c -o obj/lib/usage.o
+obj/lib/string.o: lib/string.c | obj
+ $(CC) $(CFLAGS) -c lib/string.c -o $@
-obj/lib/command.o: lib/command.c
- $(CC_MODE) $(CFLAGS) -c lib/command.c -o obj/lib/command.o
+obj/lib/usage.o: lib/usage.c | obj
+ $(CC) $(CFLAGS) -c lib/usage.c -o $@
-obj/lib/num.o: lib/num.c
- $(CC_MODE) $(CFLAGS) -c lib/num.c -o obj/lib/num.o
+obj/lib/command.o: lib/command.c | obj
+ $(CC) $(CFLAGS) -c lib/command.c -o $@
-obj/lib/io.o: lib/io.c
- $(CC_MODE) $(CFLAGS) -c lib/io.c -o obj/lib/io.o
+obj/lib/num.o: lib/num.c | obj
+ $(CC) $(CFLAGS) -c lib/num.c -o $@
-obj/lib/checksum.o: lib/checksum.c
- $(CC_MODE) $(CFLAGS) -c lib/checksum.c -o obj/lib/checksum.o
+obj/lib/io.o: lib/io.c | obj
+ $(CC) $(CFLAGS) -c lib/io.c -o $@
-obj/lib/word.o: lib/word.c
- $(CC_MODE) $(CFLAGS) -c lib/word.c -o obj/lib/word.o
+obj/lib/checksum.o: lib/checksum.c | obj
+ $(CC) $(CFLAGS) -c lib/checksum.c -o $@
-obj/lib/mkhtemp.o: lib/mkhtemp.c
- $(CC_MODE) $(CFLAGS) -c lib/mkhtemp.c -o obj/lib/mkhtemp.o
+obj/lib/word.o: lib/word.c | obj
+ $(CC) $(CFLAGS) -c lib/word.c -o $@
-obj/lib/rand.o: lib/rand.c
- $(CC_MODE) $(CFLAGS) -c lib/rand.c -o obj/lib/rand.o
+obj/lib/mkhtemp.o: lib/mkhtemp.c | obj
+ $(CC) $(CFLAGS) -c lib/mkhtemp.c -o $@
-# install
+obj/lib/rand.o: lib/rand.c | obj
+ $(CC) $(CFLAGS) -c lib/rand.c -o $@
-install: $(PROG) $(PROGMKH) $(PROGLOT)
- $(INSTALL) -d $(DESTDIR)$(PREFIX)/bin
- $(INSTALL) $(PROG) $(DESTDIR)$(PREFIX)/bin/$(PROG)
- chmod 755 $(DESTDIR)$(PREFIX)/bin/$(PROG)
- $(INSTALL) $(PROGMKH) $(DESTDIR)$(PREFIX)/bin/$(PROGMKH)
- chmod 755 $(DESTDIR)$(PREFIX)/bin/$(PROGMKH)
- $(INSTALL) $(PROGLOT) $(DESTDIR)$(PREFIX)/bin/$(PROGLOT)
- chmod 755 $(DESTDIR)$(PREFIX)/bin/$(PROGLOT)
+install: $(PROGS)
+ mkdir -p $(DESTDIR)$(PREFIX)/bin
+ for p in $(PROGS); do \
+ $(INSTALL) $$p $(DESTDIR)$(PREFIX)/bin/$$p; \
+ chmod 755 $(DESTDIR)$(PREFIX)/bin/$$p; \
+ done
uninstall:
- rm -f $(DESTDIR)$(PREFIX)/bin/$(PROG)
- rm -f $(DESTDIR)$(PREFIX)/bin/$(PROGMKH)
- rm -f $(DESTDIR)$(PREFIX)/bin/$(PROGLOT)
+ for p in $(PROGS); do \
+ rm -f $(DESTDIR)$(PREFIX)/bin/$$p; \
+ done
clean:
- rm -f $(PROG) $(PROGMKH) $(OBJS_NVMUTIL) $(OBJS_MKHTEMP) \
- $(OBJS_LOTTERY) $(PROGLOT)
+ rm -rf $(OBJDIR) $(PROGS)
distclean: clean
-
-# mode targets (portable replacement for ifeq)
-
-strict:
- $(MAKE) CFLAGS="$(CFLAGS) $(HELLFLAGS)" CC_MODE="$(HELLCC)"
-
-# BSD-like portability test (openat + arc4random)
-portable-bsd:
- $(MAKE) CFLAGS="$(CFLAGS) $(PORT_OPENAT) $(PORT_ARC4)" CC_MODE="$(CC)"
-
-# fallback portability test (openat + urandom -- old linux mostly)
-portable-urandom:
- $(MAKE) CFLAGS="$(CFLAGS) $(PORT_OPENAT) $(PORT_URANDOM)" \
- CC_MODE="$(CC)"