Tried to emerge kde (from 3.2.0 to 3.3.0). Ebuild of libidn fails: # emerg kde Calculating dependencies ...done! >>> emerge (1 of 24) net-dns/libidn-0.3.7 to / >>> md5 src_uri ;-) libidn-0.3.7.tar.gz >>> Unpacking source... >>> Unpacking libidn-0.3.7.tar.gz to /var/tmp/portage/libidn-0.3.7/work >>> Source unpacked. configure: WARNING: If you wanted to set the --build type, don't use --host. If a cross compiler is detected then cross compile mode will be used. checking for a BSD-compatible install... /bin/install -c checking whether build environment is sane... yes checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for i686-pc-linux-gnu-strip... no checking for strip... strip checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu checking for style of include used by make... GNU checking for i686-pc-linux-gnu-gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ANSI C... none needed checking dependency style of gcc... gcc3 checking for a sed that does not truncate output... /bin/sed checking for egrep... grep -E checking for ld used by gcc... /usr/i686-pc-linux-gnu/bin/ld checking if the linker (/usr/i686-pc-linux-gnu/bin/ld) is GNU ld... yes checking for /usr/i686-pc-linux-gnu/bin/ld option to reload object files... -r checking for BSD-compatible nm... nm checking whether ln -s works... yes checking how to recognise dependent libraries... pass_all checking how to run the C preprocessor... /lib/cpp configure: error: C preprocessor "/lib/cpp" fails sanity check See `config.log' for more details. !!! ERROR: net-dns/libidn-0.3.7 failed. !!! Function econf, Line 362, Exitcode 1 !!! econf failed Reproducible: Always Steps to Reproduce: 1. emerge =kde-3.3.0 2. 3.
you neglected to provide `emerge info` like the bug report page says to also, please post the config.log to figure out the real failure
^^
