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e146162dcf
commit d5ad9aae13dcced333c1a7816ff0a4fbbb052466 upstream.
Commit 3bcbc20942db ("selftests/rseq: Play nice with binaries statically
linked against glibc 2.35+") which is now in Linus' tree introduced uses
of __weak but did nothing to ensure that a definition is provided for it
resulting in build failures for the rseq tests:
rseq.c:41:1: error: unknown type name '__weak'
__weak ptrdiff_t __rseq_offset;
^
rseq.c:41:17: error: expected ';' after top level declarator
__weak ptrdiff_t __rseq_offset;
^
;
rseq.c:42:1: error: unknown type name '__weak'
__weak unsigned int __rseq_size;
^
rseq.c:43:1: error: unknown type name '__weak'
__weak unsigned int __rseq_flags;
Fix this by using the definition from tools/include compiler.h.
Fixes: 3bcbc20942db ("selftests/rseq: Play nice with binaries statically linked against glibc 2.35+")
Signed-off-by: Mark Brown <broonie@kernel.org>
Message-Id: <20230804-kselftest-rseq-build-v1-1-015830b66aa9@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
41 lines
1.2 KiB
Makefile
41 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+ OR MIT
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ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
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CLANG_FLAGS += -no-integrated-as
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endif
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top_srcdir = ../../../..
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CFLAGS += -O2 -Wall -g -I./ $(KHDR_INCLUDES) -L$(OUTPUT) -Wl,-rpath=./ \
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$(CLANG_FLAGS) -I$(top_srcdir)/tools/include
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LDLIBS += -lpthread -ldl
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# Own dependencies because we only want to build against 1st prerequisite, but
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# still track changes to header files and depend on shared object.
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OVERRIDE_TARGETS = 1
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TEST_GEN_PROGS = basic_test basic_percpu_ops_test param_test \
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param_test_benchmark param_test_compare_twice
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TEST_GEN_PROGS_EXTENDED = librseq.so
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TEST_PROGS = run_param_test.sh
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TEST_FILES := settings
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include ../lib.mk
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$(OUTPUT)/librseq.so: rseq.c rseq.h rseq-*.h
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$(CC) $(CFLAGS) -shared -fPIC $< $(LDLIBS) -o $@
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$(OUTPUT)/%: %.c $(TEST_GEN_PROGS_EXTENDED) rseq.h rseq-*.h
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$(CC) $(CFLAGS) $< $(LDLIBS) -lrseq -o $@
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$(OUTPUT)/param_test_benchmark: param_test.c $(TEST_GEN_PROGS_EXTENDED) \
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rseq.h rseq-*.h
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$(CC) $(CFLAGS) -DBENCHMARK $< $(LDLIBS) -lrseq -o $@
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$(OUTPUT)/param_test_compare_twice: param_test.c $(TEST_GEN_PROGS_EXTENDED) \
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rseq.h rseq-*.h
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$(CC) $(CFLAGS) -DRSEQ_COMPARE_TWICE $< $(LDLIBS) -lrseq -o $@
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