From: Benjamin Marzinski <bmarzins@redhat.com>
To: mwilck@suse.com
Cc: dm-devel@redhat.com
Subject: Re: [PATCH 08/11] libmultipath: create separate .so for unit tests
Date: Thu, 24 Sep 2020 18:35:04 -0500 [thread overview]
Message-ID: <20200924233504.GK11108@octiron.msp.redhat.com> (raw)
In-Reply-To: <20200924133644.14034-9-mwilck@suse.com>
On Thu, Sep 24, 2020 at 03:36:41PM +0200, mwilck@suse.com wrote:
> From: Martin Wilck <mwilck@suse.com>
>
> The unit tests use a lot of internal symbols that we don't want
> to add to the ABI if we don't have to. As long as we don't
> have to make incompatible changes to functions, we can work around
> that by simply using a non-versioned library for the unit tests.
> Therefore we add a seperate rule here. Do this before actually
> adding a version script, to avoid breakage during bisection.
> ---
> libmultipath/Makefile | 7 +++++++
> tests/Makefile | 10 ++++++----
> 2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/libmultipath/Makefile b/libmultipath/Makefile
> index af5bb77..cf13561 100644
> --- a/libmultipath/Makefile
> +++ b/libmultipath/Makefile
> @@ -74,6 +74,13 @@ $(LIBS): $(OBJS)
> $(DEVLIB): $(LIBS)
> $(LN) $(LIBS) $@
>
> +../tests/$(LIBS): $(OBJS) $(VERSION_SCRIPT)
> + $(CC) $(LDFLAGS) $(SHARED_FLAGS) -Wl,-soname=`basename $@` \
> + -o $@ $(OBJS) $(LIBDEPS)
> + $(LN) $@ ${@:.so.0=.so}
> +
> +test-lib: ../tests/$(LIBS)
> +
> install: all
> $(INSTALL_PROGRAM) -d $(DESTDIR)$(syslibdir)
> $(INSTALL_PROGRAM) -m 755 $(LIBS) $(DESTDIR)$(syslibdir)/$(LIBS)
> diff --git a/tests/Makefile b/tests/Makefile
> index 502377f..47e6b86 100644
> --- a/tests/Makefile
> +++ b/tests/Makefile
> @@ -10,7 +10,7 @@ W_MISSING_INITIALIZERS := $(call TEST_MISSING_INITIALIZERS)
>
> CFLAGS += $(BIN_CFLAGS) -I$(multipathdir) -I$(mpathcmddir) \
> -Wno-unused-parameter $(W_MISSING_INITIALIZERS)
> -LIBDEPS += -L$(multipathdir) -L$(mpathcmddir) -lmultipath -lmpathcmd -lcmocka
> +LIBDEPS += -L. -L$(mpathcmddir) -lmultipath -lmpathcmd -lcmocka
>
> TESTS := uevent parser util dmevents hwtable blacklist unaligned vpd pgpolicy \
> alias directio valid devt
> @@ -67,7 +67,7 @@ lib/libchecktur.so:
>
> %.out: %-test lib/libchecktur.so
> @echo == running $< ==
> - @LD_LIBRARY_PATH=$(multipathdir):$(mpathcmddir) ./$< >$@
> + @LD_LIBRARY_PATH=.:$(mpathcmddir) ./$< >$@
>
> %.vgr: %-test lib/libchecktur.so
> @echo == running valgrind for $< ==
> @@ -77,7 +77,7 @@ lib/libchecktur.so:
> OBJS = $(TESTS:%=%.o) test-lib.o
>
> test_clean:
> - $(RM) $(TESTS:%=%.out) $(TESTS:%=%.vgr)
> + $(RM) $(TESTS:%=%.out) $(TESTS:%=%.vgr) *.so.*
Perhaps:
$(RM) $(TESTS:%=%.out) $(TESTS:%=%.vgr) *.so*
so you also remove libmultipath.so
-Ben
>
> valgrind_clean:
> $(RM) $(TESTS:%=%.vgr)
> @@ -97,12 +97,14 @@ dep_clean:
> @sed -n 's/^.*__wrap_\([a-zA-Z0-9_]*\).*$$/-Wl,--wrap=\1/p' $< | \
> sort -u | tr '\n' ' ' >$@
>
> +libmultipath.so.0:
> + $(MAKE) -C $(multipathdir) test-lib
>
> # COLON will get expanded during second expansion below
> COLON:=:
> .SECONDEXPANSION:
> %-test: %.o %.o.wrap $$($$@_OBJDEPS) $$($$@_TESTDEPS) $$($$@_TESTDEPS$$(COLON).o=.o.wrap) \
> - $(multipathdir)/libmultipath.so Makefile
> + libmultipath.so.0 Makefile
> $(CC) $(CFLAGS) -o $@ $(LDFLAGS) $< $($@_TESTDEPS) $($@_OBJDEPS) \
> $(LIBDEPS) $($@_LIBDEPS) \
> $(shell cat $<.wrap) $(foreach dep,$($@_TESTDEPS),$(shell cat $(dep).wrap))
> --
> 2.28.0
next prev parent reply other threads:[~2020-09-24 23:35 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-24 13:36 [PATCH 00/11] multipath-tools: add linker version scripts mwilck
2020-09-24 13:36 ` [PATCH 01/11] libmultipath: find_mpe(): don't match with empty WWID mwilck
2020-09-24 13:36 ` [PATCH 02/11] libmultipath: copy mpp->hwe from pp->hwe mwilck
2020-09-24 20:12 ` Benjamin Marzinski
2020-09-25 16:01 ` Martin Wilck
2020-09-25 16:06 ` Benjamin Marzinski
2020-09-24 13:36 ` [PATCH 03/11] libmultipath: dm_map_present_by_uuid(): fix dm_task_create() call mwilck
2020-09-24 13:36 ` [PATCH 04/11] libdmmp tests: fix compilation mwilck
2020-09-24 13:36 ` [PATCH 05/11] libmultipath: prio: constify some function parameters mwilck
2020-09-24 13:36 ` [PATCH 06/11] libmultipath: checkers/prio: allow non-lazy .so loading mwilck
2020-09-24 20:27 ` Benjamin Marzinski
2020-09-24 13:36 ` [PATCH 07/11] multipath-tools Makefiles: separate rules for .so and man pages mwilck
2020-09-24 13:36 ` [PATCH 08/11] libmultipath: create separate .so for unit tests mwilck
2020-09-24 23:35 ` Benjamin Marzinski [this message]
2020-09-24 13:36 ` [PATCH 09/11] libmultipath: add linker version script mwilck
2020-09-24 13:36 ` [PATCH 10/11] libmpathpersist: " mwilck
2020-09-25 4:00 ` Benjamin Marzinski
2020-09-25 19:52 ` Martin Wilck
2020-09-25 22:10 ` Benjamin Marzinski
[not found] ` <20200925223207.GC3384@octiron.msp.redhat.com>
[not found] ` <c0a1e44fcc819583d972884aa126c486fc784fa9.camel@suse.com>
2020-09-25 23:22 ` Benjamin Marzinski
2020-09-24 13:36 ` [PATCH 11/11] libmpathcmd: " mwilck
2020-09-25 2:09 ` [PATCH 00/11] multipath-tools: add linker version scripts Benjamin Marzinski
2020-09-25 19:53 ` Martin Wilck
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