On Sat, 2024-12-28 at 16:12 +0900, Akira Yokosawa wrote: > From: Leonardo Bras <leobras.c@xxxxxxxxx> > > liburcu 0.15.0 deprecated urcu-signal as a library. > This causes build errors in gitlab-CI [1]: > > /usr/sbin/ld: cannot find -lurcu-signal: No such file or directory > collect2: error: ld returned 1 exit status > > Work around them by adding command lines w/o "-lurcu-signal" as > fallbacks in relevant Makefile recipes. > > Link: https://gitlab.com/linux-kernel/perfbook/-/jobs/8732944799 [1] > Signed-off-by: Leonardo Bras <leobras.c@xxxxxxxxx> > Co-developed-by: Akira Yokosawa <akiyks@xxxxxxxxx> > [akiyks: rewrite changelog, restore compatibility with liburcu <0.15.0] > Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx> > --- > Hi, > > Admittedly, this is one of the least elegant workaround for ArchLinux > and soon-to-be upgraded other rolling distros, but still looks straight > forward to me. > > Can you live with this? > > This is tested against Ubuntu 20.04 LTS (liburcu 0.11.1), > Ubuntu 24.04 LTS (liburcu 0.14.0), Fedora 41 (liburcu 0.14.1), > and ArchLinux (liburcu 0.15.0). > > Thanks, Akira > -- > CodeSamples/datastruct/Issaquah/Makefile | 6 +++-- > CodeSamples/datastruct/existence/Makefile | 30 +++++++++++++++-------- > CodeSamples/datastruct/hash/Makefile | 9 ++++--- > CodeSamples/datastruct/skiplist/Makefile | 6 +++-- > CodeSamples/defer/Makefile | 9 ++++--- > 5 files changed, 40 insertions(+), 20 deletions(-) > > diff --git a/CodeSamples/datastruct/Issaquah/Makefile b/CodeSamples/datastruct/Issaquah/Makefile > index c3b724d7..75fd840b 100644 > --- a/CodeSamples/datastruct/Issaquah/Makefile > +++ b/CodeSamples/datastruct/Issaquah/Makefile > @@ -45,10 +45,12 @@ GCC_ARGS += -fcommon > # Verify by using the nm command and searching output for malloc. > > existence_test: existence.c existence_test.c > - cc $(GCC_ARGS) -o existence_test existence.c existence_test.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o existence_test existence.c existence_test.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o existence_test existence.c existence_test.c -lpthread -lurcu > > treetorture: tree.c existence.c spinlockmult.c $(LIB)/random.c ../../api.h treetorture.h treetorturetrace.h $(LIB)/random.h existence.h tree.h > - cc $(GCC_ARGS) -o treetorture tree.c existence.c spinlockmult.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o treetorture tree.c existence.c spinlockmult.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o treetorture tree.c existence.c spinlockmult.c $(LIB)/random.c -lpthread -lurcu > > clean: > rm -f $(PROGS) > diff --git a/CodeSamples/datastruct/existence/Makefile b/CodeSamples/datastruct/existence/Makefile > index 19891c0f..568e7c2d 100644 > --- a/CodeSamples/datastruct/existence/Makefile > +++ b/CodeSamples/datastruct/existence/Makefile > @@ -44,39 +44,49 @@ all: $(PROGS) > # So it is quite a bit easier to just use the default locations. ;-) > > existence_test: existence.h existence_test.c procon.h > - cc $(GCC_ARGS) -o existence_test existence_test.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o existence_test existence_test.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o existence_test existence_test.c -lpthread -lurcu > > existence_3hash_test: existence.h hash_exists.h keyvalue.h existence_3hash_test.c procon.h > - cc $(GCC_ARGS) -o existence_3hash_test existence_3hash_test.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o existence_3hash_test existence_3hash_test.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o existence_3hash_test existence_3hash_test.c -lpthread -lurcu > > existence_3hash_uperf: existence.h hash_exists.h keyvalue.h existence_3hash_uperf.c procon.h > # cc -O0 -Wall -ggdb -fno-inline -o existence_3hash_uperf existence_3hash_uperf.c -ltcmalloc -lpthread -lurcu -lurcu-signal > - cc $(GCC_ARGS) -o existence_3hash_uperf existence_3hash_uperf.c -ltcmalloc -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o existence_3hash_uperf existence_3hash_uperf.c -ltcmalloc -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o existence_3hash_uperf existence_3hash_uperf.c -ltcmalloc -lpthread -lurcu > > existence_3skiplist_test: existence.h skiplist_exists.h keyvalue.h existence_3skiplist_test.c procon.h > - cc -g -O0 -o existence_3skiplist_test existence_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc -g -O0 -o existence_3skiplist_test existence_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc -g -O0 -o existence_3skiplist_test existence_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu > # cc $(GCC_ARGS) -o existence_3skiplist_test existence_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > > existence_3skiplist_uperf: existence.h hash_exists.h keyvalue.h existence_3skiplist_uperf.c procon.h > # cc -O0 -Wall -ggdb -fno-inline -o existence_3skiplist_uperf existence_3skiplist_uperf.c -ltcmalloc $(LIB)/random.c -lpthread -lurcu -lurcu-signal > - cc $(GCC_ARGS) -o existence_3skiplist_uperf existence_3skiplist_uperf.c -ltcmalloc $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o existence_3skiplist_uperf existence_3skiplist_uperf.c -ltcmalloc $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o existence_3skiplist_uperf existence_3skiplist_uperf.c -ltcmalloc $(LIB)/random.c -lpthread -lurcu > > kaleidoscope_test: kaleidoscope.h kaleidoscope_test.c procon.h > - cc $(GCC_ARGS) -o kaleidoscope_test kaleidoscope_test.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o kaleidoscope_test kaleidoscope_test.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o kaleidoscope_test kaleidoscope_test.c -lpthread -lurcu > > kaleidoscope_3hash_test: kaleidoscope.h hash_exists.h keyvalue.h kaleidoscope_3hash_test.c procon.h > - cc $(GCC_ARGS) -o kaleidoscope_3hash_test kaleidoscope_3hash_test.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o kaleidoscope_3hash_test kaleidoscope_3hash_test.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o kaleidoscope_3hash_test kaleidoscope_3hash_test.c -lpthread -lurcu > > kaleidoscope_3skiplist_test: kaleidoscope.h skiplist_exists.h keyvalue.h kaleidoscope_3skiplist_test.c procon.h > - cc -g -O0 -o kaleidoscope_3skiplist_test kaleidoscope_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc -g -O0 -o kaleidoscope_3skiplist_test kaleidoscope_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc -g -O0 -o kaleidoscope_3skiplist_test kaleidoscope_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu > # cc $(GCC_ARGS) -o kaleidoscope_3skiplist_test kaleidoscope_3skiplist_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > > kaleidoscope_skiphash_test: kaleidoscope.h skiplist_exists.h keyvalue.h kaleidoscope_skiphash_test.c procon.h > - cc -g -O0 -o kaleidoscope_skiphash_test kaleidoscope_skiphash_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc -g -O0 -o kaleidoscope_skiphash_test kaleidoscope_skiphash_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc -g -O0 -o kaleidoscope_skiphash_test kaleidoscope_skiphash_test.c $(LIB)/random.c -lpthread -lurcu > # cc $(GCC_ARGS) -o kaleidoscope_skiphash_test kaleidoscope_skiphash_test.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > > procon_test: procon.h procon_test.c > - cc -O0 -g -o procon_test procon_test.c -lpthread -lurcu -lurcu-signal > + cc -O0 -g -o procon_test procon_test.c -lpthread -lurcu -lurcu-signal || \ > + cc -O0 -g -o procon_test procon_test.c -lpthread -lurcu > # cc $(GCC_ARGS) -o procon_test procon_test.c -lpthread -lurcu -lurcu-signal > > clean: > diff --git a/CodeSamples/datastruct/hash/Makefile b/CodeSamples/datastruct/hash/Makefile > index a56255a2..a558dfee 100644 > --- a/CodeSamples/datastruct/hash/Makefile > +++ b/CodeSamples/datastruct/hash/Makefile > @@ -44,7 +44,8 @@ hash_bkt_qsbr: hash_bkt_rcu.c ../../api.h hashtorture.h > cc $(GCC_ARGS) -DTEST_HASH -DPERFBOOK_RCU_QSBR -o hash_bkt_qsbr hash_bkt_rcu.c $(LIB)/random.c -lpthread -lurcu -lurcu-qsbr > > hash_bkt_rcu: hash_bkt_rcu.c ../../api.h hashtorture.h > - cc $(GCC_ARGS) -DTEST_HASH -o hash_bkt_rcu hash_bkt_rcu.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -DTEST_HASH -o hash_bkt_rcu hash_bkt_rcu.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -DTEST_HASH -o hash_bkt_rcu hash_bkt_rcu.c $(LIB)/random.c -lpthread -lurcu > > hash_bkt_hazptr: hash_bkt_hazptr.c ../../defer/hazptr.c ../../defer/hazptr.h ../../api.h hashtorture.h > cc $(GCC_ARGS) -DTEST_HASH -o hash_bkt_hazptr hash_bkt_hazptr.c ../../defer/hazptr.c $(LIB)/random.c -lpthread > @@ -53,10 +54,12 @@ hash_global: hash_global.c ../../api.h hashtorture.h > cc $(GCC_ARGS) -DTEST_HASH -o hash_global hash_global.c $(LIB)/random.c -lpthread > > hash_resize: hash_resize.c ../../api.h hashtorture.h > - cc $(GCC_ARGS) -DTEST_HASH -o hash_resize hash_resize.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -DTEST_HASH -o hash_resize hash_resize.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -DTEST_HASH -o hash_resize hash_resize.c $(LIB)/random.c -lpthread -lurcu > > hash_resize_s: hash_resize_s.c ../../api.h hashtorture.h > - cc $(GCC_ARGS) -DTEST_HASH -o hash_resize_s hash_resize_s.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -DTEST_HASH -o hash_resize_s hash_resize_s.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -DTEST_HASH -o hash_resize_s hash_resize_s.c $(LIB)/random.c -lpthread -lurcu > > hash_unsync: hash_unsync.c ../../api.h hashtorture.h > cc $(GCC_ARGS) -DTEST_HASH -o hash_unsync hash_unsync.c $(LIB)/random.c -lpthread > diff --git a/CodeSamples/datastruct/skiplist/Makefile b/CodeSamples/datastruct/skiplist/Makefile > index 3a555691..8cf9d47a 100644 > --- a/CodeSamples/datastruct/skiplist/Makefile > +++ b/CodeSamples/datastruct/skiplist/Makefile > @@ -33,10 +33,12 @@ endif > include $(top)/recipes.mk > > skiplist: skiplist.c ../../api.h skiplisttorture.h skiplist.h > - cc $(GCC_ARGS) -DTEST_SKIPLIST -I $(LIB) -g -o skiplist skiplist.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -DTEST_SKIPLIST -I $(LIB) -g -o skiplist skiplist.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -DTEST_SKIPLIST -I $(LIB) -g -o skiplist skiplist.c $(LIB)/random.c -lpthread -lurcu > > skiplist_glock: skiplist_glock.c ../../api.h skiplisttorture.h skiplist.h > - cc $(GCC_ARGS) -DTEST_SKIPLIST -I $(LIB) -g -o skiplist_glock skiplist_glock.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -DTEST_SKIPLIST -I $(LIB) -g -o skiplist_glock skiplist_glock.c $(LIB)/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -DTEST_SKIPLIST -I $(LIB) -g -o skiplist_glock skiplist_glock.c $(LIB)/random.c -lpthread -lurcu > > clean: > rm -f $(PROGS) > diff --git a/CodeSamples/defer/Makefile b/CodeSamples/defer/Makefile > index 3cf3e5a5..b4af17db 100644 > --- a/CodeSamples/defer/Makefile > +++ b/CodeSamples/defer/Makefile > @@ -80,7 +80,8 @@ hazptr: hazptr.c hazptr.h ../api.h hazptrtorture.h > cc $(GCC_ARGS) -o hazptr -DTEST hazptr.c -lpthread > > ptxroute: ptxroute.c ../api.h > - cc $(GCC_ARGS) -o ptxroute ptxroute.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o ptxroute ptxroute.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o ptxroute ptxroute.c -lpthread -lurcu > > rcu: rcu.c rcu.h ../api.h rcutorture.h > cc $(GCC_ARGS) -o rcu -DTEST rcu.c -lpthread > @@ -131,7 +132,8 @@ route_hazptr: route_hazptr.c hazptr.c hazptr.h ../api.h ../lib/random.h ../lib/r > cc $(GCC_ARGS) -o route_hazptr route_hazptr.c hazptr.c ../lib/random.c -lpthread > > route_rcu: route_rcu.c ../api.h ../lib/random.h ../lib/random.c routetorture.h > - cc $(GCC_ARGS) -o route_rcu route_rcu.c ../lib/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -o route_rcu route_rcu.c ../lib/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -o route_rcu route_rcu.c ../lib/random.c -lpthread -lurcu > > route_rcu_qsbr: route_rcu.c ../api.h ../lib/random.h ../lib/random.c routetorture.h > cc $(GCC_ARGS) -o route_rcu_qsbr -DDO_QSBR route_rcu.c ../lib/random.c -lpthread -lurcu-qsbr > @@ -149,7 +151,8 @@ seqlocktorture: seqlocktorture.c seqlock.h ../api.h > cc $(GCC_ARGS) -o seqlocktorture seqlocktorture.c -lpthread > > singleton: singleton.c ../api.h ../lib/random.h ../lib/random.c > - cc $(GCC_ARGS) -Wall -g -o singleton singleton.c ../lib/random.c -lpthread -lurcu -lurcu-signal > + cc $(GCC_ARGS) -Wall -g -o singleton singleton.c ../lib/random.c -lpthread -lurcu -lurcu-signal || \ > + cc $(GCC_ARGS) -Wall -g -o singleton singleton.c ../lib/random.c -lpthread -lurcu > > clean: > rm -f $(PROGS) > > base-commit: 4c0afec5a7081227adc768fb8d3fb35aa1981d55 Hi Akira, That's a creative way of dealing with this issue, but if we want to add that complexity, I would rather use $(pkg-config --libs liburcu). Wouldn't this fix the issue as well? Thanks!
