This is re-opening Bug 574, which is still present.

Trying to build 1.1_M3.final for PPC with --enable-target-optspace added resutls in the previously reported problems:

...
| ccache powerpc-linux-gcc  -m32 -mhard-float  --sysroot=/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/sysroots/generic-powerpc-tcbootstrap -nostdlib -nostartfiles -o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/iconv_prog -mhard-float -Wl,-dynamic-linker=/lib/ld.so.1   -Wl,-z,combreloc -Wl,-z,relro -Wl,--hash-style=both /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/csu/crt1.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/csu/crti.o `ccache powerpc-linux-gcc  -m32 -mhard-float  --sysroot=/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/sysroots/generic-powerpc-tcbootstrap -mhard-float --print-file-name=crtbegin.o` /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/iconv_prog.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/iconv_charmap.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/charmap.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/charmap-dir.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/linereader.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/dummy-repertoire.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/simple-hash.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/xstrdup.o /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/xmalloc.o  -Wl,-rpath-link=/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/math:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/elf:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/dlfcn:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/nss:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/nis:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/rt:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/resolv:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/crypt:/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/nptl /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/libc.so.6 /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/libc_nonshared.a -Wl,--as-needed /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/elf/ld.so -Wl,--no-as-needed -lgcc -Wl,--as-needed -lgcc_s  -Wl,--no-as-needed `ccache powerpc-linux-gcc  -m32 -mhard-float  --sysroot=/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/sysroots/generic-powerpc-tcbootstrap -mhard-float --print-file-name=crtend.o` /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/csu/crtn.o
| /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/sysroots/x86_64-linux/usr/lib/powerpc-linux.gcc-cross-intermediate/gcc/powerpc-linux/4.6.1/crtend.o: In functiERROR: Function 'do_compile' failed (see /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/temp/log.do_compile.29320 for further information)
| on `__do_global_ctors_aux':
| crtstuff.c:(.text+0xc): undefined reference to `_savegpr_31'
| collect2: ld returned 1 exit status
| make[2]: *** [/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/iconvconfig] Error 1
| make[2]: *** Waiting for unfinished jobs....
| /opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/sysroots/x86_64-linux/usr/lib/powerpc-linux.gcc-cross-intermediate/gcc/powerpc-linux/4.6.1/crtend.o: In function `__do_global_ctors_aux':
| crtstuff.c:(.text+0xc): undefined reference to `_savegpr_31'
| collect2: ld returned 1 exit status
| make[2]: *** [/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/build-powerpc-linux/iconv/iconv_prog] Error 1
| make[2]: Leaving directory `/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/eglibc-2_13/libc/iconv'
| make[1]: *** [iconv/others] Error 2
| make[1]: Leaving directory `/opt/poky/build/eldk-5.1_M3-ppc-Os-test/tmp/work/powerpc-linux/eglibc-2.13-r10+svnr14157/eglibc-2_13/libc'
| make: *** [all] Error 2
| ERROR: oe_runmake failed
NOTE: package eglibc-2.13-r10+svnr14157: task do_compile: Failed