I've tried to build gcc-4.5.2 from source and failed. make terminates with following message: gcc -g -fkeep-inline-functions -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -Wold-style-definition -Wc++-compat -fno-common -DHAVE_CONFIG_H -o cc1-dummy c-lang.o stub-objc.o attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o c-ppoutput.o c-cppbuiltin.o c-objc-common.o c-dump.o c-pch.o c-parser.o i386-c.o c-gimplify.o tree-mudflap.o c-pretty-print.o c-omp.o \ dummy-checksum.o main.o tree-browser.o libbackend.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a ../libcpp/libcpp.a ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a -L/home/bf/tools/libs/ppl/lib -lppl_c -lppl -lgmpxx -L/home/bf/tools/libs/gmp/lib -L/home/bf/tools/libs/mpfr/lib -L/home/bf/tools/libs/mpc/lib -lmpc -lmpfr -lgmp -rdynamic -ldl -L../zlib -lz -lelf /usr/bin/ld: warning: libgmpxx.so.3, needed by /home/bf/tools/libs/ppl/lib/libppl_c.so, may conflict with libgmpxx.so.4 /usr/lib64/libgmpxx.so.3: undefined reference to `__gmp_doprnt_mpf' collect2: ld returned 1 exit status make[3]: *** [cc1-dummy] Error 1 make[3]: Leaving directory `/home/bf/build/gcc-4.5.2/gcc' make[2]: *** [all-stage1-gcc] Error 2 make[2]: Leaving directory `/home/bf/build/gcc-4.5.2' make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory `/home/bf/build/gcc-4.5.2' make: *** [all] Error 2 I've configured gcc-4.5.2 through (dependencies were already built): ../../setups/gcc-4.5.2/configure --prefix=$HOME/tools/gcc-4.5 --with-gmp=$HOME/tools/libs/gmp --with-mpfr=$HOME/tools/libs/mpfr --with-mpc=$HOME/tools/libs/mpc --with-ppl=$HOME/tools/libs/ppl --with-cloog=$HOME/tools/libs/cloog Any pointers in the right direction? Cheers, exa -- View this message in context: http://old.nabble.com/gcc-4.5.2%2C-build-failed-tp31479431p31479431.html Sent from the gcc - Help mailing list archive at Nabble.com.