After upgrading to icu-51.1 app-misc/tracker-0.14.5 doesn't build any more: libtool: link: x86_64-pc-linux-gnu-gcc -march=native -O3 -pipe -fomit-frame-pointer -Wl,-O1 -o .libs/tracker-import tracker-import.o -Wl,--as-needed ../../src/libtracker-sparql-backend/.libs/libtracker-sparql-0.14.so ../../src/libtracker-miner/.libs/libtracker-miner-0.14.so ../../src/libtracker-common/.libs/libtracker-common.so -lgio-2.0 -lgobject-2.0 -lglib-2.0 -Wl,-rpath -Wl,/usr/lib64/tracker-0.14 libtool: link: x86_64-pc-linux-gnu-gcc -march=native -O3 -pipe -fomit-frame-pointer -Wl,-O1 -o .libs/tracker-stats tracker-stats.o -Wl,--as-needed ../../src/libtracker-sparql-backend/.libs/libtracker-sparql-0.14.so ../../src/libtracker-miner/.libs/libtracker-miner-0.14.so ../../src/libtracker-common/.libs/libtracker-common.so -lgio-2.0 -lgobject-2.0 -lglib-2.0 -Wl,-rpath -Wl,/usr/lib64/tracker-0.14 /bin/sh ../../libtool --tag=CC --mode=link x86_64-pc-linux-gnu-gcc -march=native -O3 -pipe -fomit-frame-pointer -Wl,-O1 -Wl,--as-needed -o tracker-tag tracker-tag.o ../../src/libtracker-sparql-backend/libtracker-sparql-0.14.la ../../src/libtracker-miner/libtracker-miner-0.14.la ../../src/libtracker-common/libtracker-common.la -lgio-2.0 -lgobject-2.0 -lglib-2.0 /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicuuc.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicui18n.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_current32' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setUTF8' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setString' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_strcollIter' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_previous' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_fromUChars' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_errorName' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_first' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_next' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `unorm_normalize' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strToLower' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strFoldCase' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_toUnicode' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_charType' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_next32' collect2: error: ld returned 1 exit status /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicuuc.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicui18n.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_current32' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setUTF8' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setString' /usr/lib64make[3]: /tracker*** [tracker-stats] Error 1- 0.14/libtracker-data.so.0: undefined reference to `ucol_strcollItermake[3]: '*** Waiting for unfinished jobs.... /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_previous' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_fromUChars' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_errorName' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_first' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_next' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `unorm_normalize' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strToLower' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strFoldCase' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_toUnicode' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_charType' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_next32' collect2: error: ld returned 1 exit status make[3]: *** [tracker-import] Error 1 libtool: link: x86_64-pc-linux-gnu-gcc -march=native -O3 -pipe -fomit-frame-pointer -Wl,-O1 -o .libs/tracker-info tracker-info.o -Wl,--as-needed ../../src/libtracker-sparql-backend/.libs/libtracker-sparql-0.14.so ../../src/libtracker-miner/.libs/libtracker-miner-0.14.so ../../src/libtracker-common/.libs/libtracker-common.so -lgio-2.0 -lgobject-2.0 -lglib-2.0 -Wl,-rpath -Wl,/usr/lib64/tracker-0.14 libtool: link: x86_64-pc-linux-gnu-gcc -march=native -O3 -pipe -fomit-frame-pointer -Wl,-O1 -o .libs/tracker-sparql tracker-sparql.o -Wl,--as-needed ../../src/libtracker-sparql-backend/.libs/libtracker-sparql-0.14.so ../../src/libtracker-miner/.libs/libtracker-miner-0.14.so ../../src/libtracker-common/.libs/libtracker-common.so -lgio-2.0 -lgobject-2.0 -lglib-2.0 -Wl,-rpath -Wl,/usr/lib64/tracker-0.14 /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicuuc.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicui18n.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_current32' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setUTF8' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setString' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_strcollIter' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_previous' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_fromUChars' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_errorName' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_first' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_next' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `unorm_normalize' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strToLower' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strFoldCase' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_toUnicode' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_charType' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_next32' collect2: error: ld returned 1 exit status make[3]: *** [tracker-info] Error 1 /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicuuc.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicui18n.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_current32' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setUTF8' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setString' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_strcollIter' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_previous' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_fromUChars' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_errorName' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_first' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_next' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `unorm_normalize' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strToLower' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strFoldCase' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_toUnicode' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_charType' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_next32' collect2: error: ld returned 1 exit status make[3]: *** [tracker-sparql] Error 1 libtool: link: x86_64-pc-linux-gnu-gcc -march=native -O3 -pipe -fomit-frame-pointer -Wl,-O1 -o .libs/tracker-tag tracker-tag.o -Wl,--as-needed ../../src/libtracker-sparql-backend/.libs/libtracker-sparql-0.14.so ../../src/libtracker-miner/.libs/libtracker-miner-0.14.so ../../src/libtracker-common/.libs/libtracker-common.so -lgio-2.0 -lgobject-2.0 -lglib-2.0 -Wl,-rpath -Wl,/usr/lib64/tracker-0.14 /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicuuc.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/bin/ld: warning: libicui18n.so.50, needed by /usr/lib64/tracker-0.14/libtracker-data.so.0, not found (try using -rpath or -rpath-link) /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_current32' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setUTF8' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_setString' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_strcollIter' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_previous' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_fromUChars' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_errorName' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_first' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_next' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `unorm_normalize' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucol_open' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strToLower' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_strFoldCase' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_toUnicode' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ubrk_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `ucnv_close' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `u_charType' /usr/lib64/tracker-0.14/libtracker-data.so.0: undefined reference to `uiter_next32' collect2: error: ld returned 1 exit status make[3]: *** [tracker-tag] Error 1 make[3]: Leaving directory `/var/tmp/portage/app-misc/tracker-0.14.5/work/tracker-0.14.5/src/tracker-utils' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/var/tmp/portage/app-misc/tracker-0.14.5/work/tracker-0.14.5/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/var/tmp/portage/app-misc/tracker-0.14.5/work/tracker-0.14.5' make: *** [all] Error 2