>>> Compiling source in /var/tmp/portage/glibc-2.4-r3/work/glibc-2.4 ... * ABI: default * CBUILD: powerpc-unknown-linux-gnu * CHOST: powerpc-unknown-linux-gnu * CTARGET: powerpc-unknown-linux-gnu * CBUILD_OPT: * CTARGET_OPT: * CC: * CFLAGS: -mcpu=750 -mtune=powerpc -pipe -freorder-blocks -O2 * Configuring GLIBC for nptl with: --disable-stackguard-randomization --enable-old-ssp-compat --with-tls --with-__thread --enable-add-ons=ports,nptl,c_stubs,libidn,powerpc-cpu --enable-kernel=2.6.9 --without-selinux --without-cvs --enable-bind-now --build=powerpc-unknown-linux-gnu --host=powerpc-unknown-linux-gnu --disable-profile --without-gd --with-headers=/usr/include --prefix=/usr --libdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --libexecdir=/usr/lib/misc/glibc checking build system type... powerpc-unknown-linux-gnu checking host system type... powerpc-unknown-linux-gnu .... checking for long double... yes checking size of long double... 8 running configure fragment for sysdeps/powerpc/powerpc32/elf checking for powerpc32 TLS support... yes running configure fragment for sysdeps/unix/sysv/linux/powerpc checking whether powerpc-unknown-linux-gnu-gcc -mcpu=750 -mtune=powerpc -pipe -f reorder-blocks -O2 -mlong-double-128 uses IBM extended format... no checking whether powerpc-unknown-linux-gnu-gcc -mcpu=750 -mtune=powerpc -pipe -f reorder-blocks -O2 supports -mabi=ibmlongdouble... no configure: error: this configuration requires -mlong-double-128 IBM extended for mat support !!! ERROR: sys-libs/glibc-2.4-r3 failed. Call stack: ebuild.sh, line 1539: Called dyn_compile ebuild.sh, line 939: Called src_compile glibc-2.4-r3.ebuild, line 1179: Called toolchain-glibc_src_compile glibc-2.4-r3.ebuild, line 251: Called glibc_do_configure 'nptl' glibc-2.4-r3.ebuild, line 941: Called die !!! failed to configure glibc !!! If you need support, post the topmost build error, and the call stack if rel evant.
Your gcc is too old. Need 4.1.1 for this (not only installed, but actually switched to it). http://www.gentoo.org/doc/en/gcc-upgrading.xml *** This bug has been marked as a duplicate of 138967 ***