2009/11/22 xinsan Chen <xinsan.chen@xxxxxxxxx>: > 2009/11/21 Andi Hellmund <mail@xxxxxxxxxxxxxxxx>: >> xinsan Chen wrote: >>> hi, all >>> Now I meet new problem during compiling gcc-4.4.2. >>> after installing gmp and mpfr, >>> ./configure --prefix=/home/cj/gcc-4.4.2 >>> --enable_languages=c,c++,fortran --with-gmp=/usr/local >>> --with-mpfr=/usr/local >>> make >>> >>> .libs/compile_options.o: In function 'feof_unlocked' >>> /usr/include/bits/stdio.h:123: multiple definition of 'feof_unlocked' >>> .libs/backtrace.o:/usr/include/bits/stdio.h:123: first defined here >>> .libs/compile_options.o: In function 'ferror_unlocked': >>> /usr/include/bits/stdio.h:130: multiple definition of 'ferror_unlocked' >>> .libs/backtrace.o:/usr/include/bits/stdio.h:130: first defined here >>> ... >>> >>> How to solve this? Thanks. >>> >>> > > Firstly, Thank you for your reply. > > >> first of all, you should conform to the recommendations on >> http://gcc.gnu.org/install/configure.html >> >> "First, we *highly* recommend that GCC be built into a separate >> directory from the sources which does *not* reside within the source tree." >> >> Andi >> > > But I don't think noting building GCC into a separate directory will > lead to errors. > I do: GCC is built into a separate directory from the sources. mkdir gcc-442 cd gcc-442 (source directory) /home/cj/gcc-4.4.2/configure --prefix=/home/cj/gcc-442 --enable-languages=c,c++,fortran --with-gmp=/usr/local --with-mpfr=/usr/local make make[3]: Leaving directory `/home/cj/gcc-442/gcc' mkdir -p -- x86_64-unknown-linux-gnu/libgcc Checking multilib configuration for libgcc... Configuring stage 1 in x86_64-unknown-linux-gnu/libgcc configure: creating cache ./config.cache checking for --enable-version-specific-runtime-libs... no checking for a BSD-compatible install... /usr/bin/install -c checking for gawk... gawk checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking for x86_64-unknown-linux-gnu-ar... ar checking for x86_64-unknown-linux-gnu-lipo... lipo checking for x86_64-unknown-linux-gnu-nm... /home/cj/gcc-442/./gcc/nm checking for x86_64-unknown-linux-gnu-ranlib... ranlib checking for x86_64-unknown-linux-gnu-strip... strip checking whether ln -s works... yes checking for x86_64-unknown-linux-gnu-gcc... /home/cj/gcc- 442/./gcc/xgcc -B/home/cj/gcc-442/./gcc/ -B/home/cj/gcc-442/x86_64- unknown-linux-gnu/bin/ -B/home/cj/gcc-442/x86_64-unknown-linux-gnu/lib/ -isystem /home/cj/gcc-442/x86_64-unknown-linux-gnu/include -isystem /home/cj/gcc-442/x86_64-unknown-linux-gnu/sys-include checking for suffix of object files... configure: error: in `/home/cj/gcc-442/x86_64-unknown-linux-gnu/libgcc': configure: error: cannot compute suffix of object files: cannot compile See `config.log' for more details. make[2]: *** [configure-stage1-target-libgcc] Error 1 make[2]: Leaving directory `/home/cj/gcc-442' make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory `/home/cj/gcc-442' make: *** [all] Error 2
