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Add a test to check for duplicate definitions in the static library
This change follows two previous fixes addressing multiple definitions of __memcpy_chk and __mempcpy_chk functions on i586, and __memmove_chk and __memset_chk functions on i686. The test is intended to prevent such issues from occurring in the future. Signed-off-by: Gabi Falk <gabifalk@gmx.com> Reviewed-by: H.J. Lu <hjl.tools@gmail.com> Reviewed-by: Dmitry V. Levin <ldv@altlinux.org>
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7
Makefile
7
Makefile
@ -577,6 +577,13 @@ $(objpfx)lint-makefiles.out: scripts/lint-makefiles.sh
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$(SHELL) $< "$(PYTHON)" `pwd` > $@ ; \
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$(evaluate-test)
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# Link libc.a as a whole to verify that it does not contain multiple
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# definitions of any symbols.
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tests-special += $(objpfx)link-static-libc.out
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$(objpfx)link-static-libc.out:
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$(LINK.o) $(whole-archive) -r $(objpfx)libc.a -o /dev/null > $@ 2>&1; \
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$(evaluate-test)
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# Print test summary for tests in $1 .sum file;
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# $2 is optional test identifier.
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# Fail if there are unexpected failures in the test results.
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