Commit 97d5f2e9ee12 ("tools api fs: More thread safety for global
filesystem variables") introduces pthread_once, so the libpthread
should be added at link time, or we'll meet the following compile
error when 'make -C tools/mm':
gcc -Wall -Wextra -I../lib/ -o page-types page-types.c ../lib/api/libapi.a
~/linux/tools/lib/api/fs/fs.c:146: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:147: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:148: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:149: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:150: undefined reference to `pthread_once'
/usr/bin/ld: ../lib/api/libapi.a(libapi-in.o):~/linux/tools/lib/api/fs/fs.c:151:
more undefined references to `pthread_once' follow
collect2: error: ld returned 1 exit status
make: *** [Makefile:22: page-types] Error 1
Link: https://lkml.kernel.org/r/20230831034205.2376653-1-xiexiuqi@huaweicloud.com
Fixes: 97d5f2e9ee12 ("tools api fs: More thread safety for global filesystem variables")
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
33 lines
573 B
Makefile
33 lines
573 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for vm tools
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#
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include ../scripts/Makefile.include
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TARGETS=page-types slabinfo page_owner_sort
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LIB_DIR = ../lib/api
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LIBS = $(LIB_DIR)/libapi.a
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CFLAGS += -Wall -Wextra -I../lib/ -pthread
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LDFLAGS += $(LIBS) -pthread
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all: $(TARGETS)
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$(TARGETS): $(LIBS)
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$(LIBS):
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make -C $(LIB_DIR)
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%: %.c
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$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
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clean:
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$(RM) page-types slabinfo page_owner_sort
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make -C $(LIB_DIR) clean
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sbindir ?= /usr/sbin
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install: all
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install -d $(DESTDIR)$(sbindir)
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install -m 755 -p $(TARGETS) $(DESTDIR)$(sbindir)
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