Some 32-bit archs need linking to libatomic: Undefined symbols: "___atomic_store_8"

[barracuda156]

/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_gis_tippecanoe/tippecanoe/work/compwrap/cxx/opt/local/bin/g++-mp-14  -L/usr/local/lib -g -Wall -Wshadow -Wsign-compare -Wextra -Wunreachable-code -Wuninitialized -Wshadow -O3 -DNDEBUG -Os -arch ppc -D_GLIBCXX_USE_CXX11_ABI=0 -std=c++17 -fPIE -DBUILD_INFO= -o tile-join tile-join.o projection.o mbtiles.o mvt.o memfile.o dirtiles.o jsonpull/jsonpull.o text.o evaluator.o csv.o write_json.o pmtiles_file.o clip.o attribute.o thread.o read_json.o clipper2/src/clipper.engine.o -L/opt/local/lib -Wl,-headerpad_max_install_names -lMacportsLegacySupport -arch ppc -lm -lz -lsqlite3 -lpthread
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_gis_tippecanoe/tippecanoe/work/compwrap/cxx/opt/local/bin/g++-mp-14  -L/usr/local/lib -g -Wall -Wshadow -Wsign-compare -Wextra -Wunreachable-code -Wuninitialized -Wshadow -O3 -DNDEBUG -Os -arch ppc -D_GLIBCXX_USE_CXX11_ABI=0 -std=c++17 -fPIE -DBUILD_INFO= -o tippecanoe-overzoom overzoom.o mvt.o clip.o evaluator.o jsonpull/jsonpull.o text.o attribute.o read_json.o projection.o clipper2/src/clipper.engine.o -L/opt/local/lib -Wl,-headerpad_max_install_names -lMacportsLegacySupport -arch ppc -lm -lz -lsqlite3 -lpthread
Undefined symbols:
  "___atomic_store_8", referenced from:
      __ZNSt6atomicIdEaSEd.isra.0 in tile.o
      __ZNSt13__atomic_baseIxEaSEx.isra.0 in tile.o
      __ZNSt6atomicIdEaSEd.isra.0 in main.o
      __ZNSt13__atomic_baseIxEaSEx.isra.0 in main.o
      __Z8runQueuev in geobuf.o
      __Z8runQueuev in geobuf.o
      __Z11fgbRunQueuev in flatgeobuf.o
      __Z11fgbRunQueuev in flatgeobuf.o
  "___atomic_load_8", referenced from:
      __Z25serialize_geojson_featureP19serialization_stateP11json_objectS2_S2_iS2_S2_RKSs in geojson.o
      __ZL12next_featureP12decompressorPSt6atomicIxEijjPjS4_PxS5_iiiimS3_xiPS1_IbEPP10compressorS3_S5_PS1_IdEdPKciP11json_objectSE_S5_PSt6vectorISH_ISsSaISsEESaISJ_EEbbP16multiplier_stateRSt10shared_ptrISsERKSJ_R18next_feature_stated in tile.o
      __Z10write_tileP12decompressorPSt6atomicIxEPcijjiiP7sqlite3PKciS8_PP10compressorS3_iidS3_xdiPxPjSD_PS1_IiEdPSt6vectorISt3mapISs14layermap_entrySt4lessISsESaISt4pairIKSsSI_EEESaISP_EEPSG_ISG_ISsSaISsEESaISU_EEmmyxyS8_S8_P11json_objectP15write_tile_argsP15atomic_strategybP4nodemRSM_RKSU_xRSt3setI3zxySJ_IS1A_ESaIS1A_EE in tile.o
      __ZNKSt13__atomic_baseIxEcvxEv in tile.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __Z13progress_timev in main.o
      __ZNKSt13__atomic_baseIxEcvxEv in main.o
      __Z15outBareGeometryRKSt6vectorI4drawSaIS0_EEiP19serialization_stateiSs in geobuf.o
      __Z11readFeatureRN9protozero10pbf_readerEmdRSt6vectorISsSaISsEEP19serialization_stateiSsR8key_pool in geobuf.o
      __Z8runQueuev in geobuf.o
      __Z8runQueuev in geobuf.o
      __Z11readFeaturePKN10FlatGeobuf7FeatureExNS_12GeometryTypeERKSt6vectorISsSaISsEERKS4_INS_10ColumnTypeESaIS9_EEP19serialization_stateiSs in flatgeobuf.o
      __Z11fgbRunQueuev in flatgeobuf.o
      __Z11fgbRunQueuev in flatgeobuf.o
      __Z12parse_geocsvRSt6vectorI19serialization_stateSaIS0_EESsiSs in geocsv.o
  "___atomic_fetch_add_8", referenced from:
      __Z10run_threadPv in tile.o
      __Z17polygon_to_anchorRKSt6vectorI4drawSaIS0_EE in geometry.o
      __Z12fwrite_checkPKvmmP7__sFILEPSt6atomicIxEPKc in serial.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __Z17serialize_featureP19serialization_stateR14serial_featureRKSs in serial.o
      __ZNSt13__atomic_baseIxEpLEx.isra.0 in main.o
      __ZN12decompressor5freadEPvmmPSt6atomicIxE in compression.o
      __ZN12decompressor5freadEPvmmPSt6atomicIxE in compression.o
      __ZN12decompressor3endEPSt6atomicIxE in compression.o
ld: symbol(s) not found
collect2: error: ld returned 1 exit status