device-mapper-multipath/0009-libmultipath-create-separate-.so-for-unit-tests.patch
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Source: https://src.fedoraproject.org/rpms/device-mapper-multipath.git#26a2cd7a3e189bf91263d17bc8a8c449cc043fb0
2021-01-21 16:56:27 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Sat, 19 Sep 2020 00:29:45 +0200
Subject: [PATCH] libmultipath: create separate .so for unit tests
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.
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/Makefile | 7 +++++++
tests/Makefile | 10 ++++++----
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/libmultipath/Makefile b/libmultipath/Makefile
index 40028556..12bf6300 100644
--- a/libmultipath/Makefile
+++ b/libmultipath/Makefile
@@ -78,6 +78,13 @@ $(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 d26b3ce7..9658c9fd 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
@@ -68,7 +68,7 @@ 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 $< ==
@@ -78,7 +78,7 @@ lib/libchecktur.so:
OBJS = $(TESTS:%=%.o) $(HELPERS)
test_clean:
- $(RM) $(TESTS:%=%.out) $(TESTS:%=%.vgr)
+ $(RM) $(TESTS:%=%.out) $(TESTS:%=%.vgr) *.so*
valgrind_clean:
$(RM) $(TESTS:%=%.vgr)
@@ -98,12 +98,14 @@ 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))
--
2.17.2