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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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5c8166419a
$(or ...) is available since GNU Make 3.81, and useful to shorten the code in some places. Covert as follows: $(if A,A,B) --> $(or A,B) This patch also converts: $(if A, A, B) --> $(or A, B) Strictly speaking, the latter is not an equivalent conversion because GNU Make keeps spaces after commas; if A is not empty, $(if A, A, B) expands to " A", while $(or A, B) expands to "A". Anyway, preceding spaces are not significant in the code hunks I touched. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
51 lines
1.3 KiB
Makefile
51 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for USB tools
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include ../scripts/Makefile.include
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bindir ?= /usr/bin
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ifeq ($(srctree),)
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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# Do not use make's built-in rules
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# (this improves performance and avoids hard-to-debug behaviour);
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MAKEFLAGS += -r
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override CFLAGS += -O2 -Wall -Wextra -g -D_GNU_SOURCE -I$(OUTPUT)include -I$(srctree)/tools/include
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override LDFLAGS += -lpthread
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ALL_TARGETS := testusb ffs-test
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ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
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all: $(ALL_PROGRAMS)
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export srctree OUTPUT CC LD CFLAGS
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include $(srctree)/tools/build/Makefile.include
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TESTUSB_IN := $(OUTPUT)testusb-in.o
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$(TESTUSB_IN): FORCE
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$(Q)$(MAKE) $(build)=testusb
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$(OUTPUT)testusb: $(TESTUSB_IN)
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$(QUIET_LINK)$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
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FFS_TEST_IN := $(OUTPUT)ffs-test-in.o
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$(FFS_TEST_IN): FORCE
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$(Q)$(MAKE) $(build)=ffs-test
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$(OUTPUT)ffs-test: $(FFS_TEST_IN)
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$(QUIET_LINK)$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)
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clean:
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rm -f $(ALL_PROGRAMS)
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find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.o.cmd' -delete
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install: $(ALL_PROGRAMS)
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install -d -m 755 $(DESTDIR)$(bindir); \
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for program in $(ALL_PROGRAMS); do \
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install $$program $(DESTDIR)$(bindir); \
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done
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FORCE:
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.PHONY: all install clean FORCE prepare
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