> On Fri, Mar 29, 2013 at 3:35 AM, John Frankish <j-frankish@xxxxxxx> wrote: > > Using binutils-2.23.1 and gcc-4.7.2, both compiled with "--enable-lto" > > to compile glibc-2.17 > > > > Removing "-flto -fuse-linker-plugin" removes the error below, but how do I > > compile glibc with -flto? > > > > John > > ---------- > > CC="gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" > > CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe > > -fno-exceptions -fno-rtti" ../glibc-2.17/configure --prefix=/usr > > --disable-profile --enable-kernel=3.0.21 --libexecdir=/usr/lib/glibc > > --cache-file=config.cache > > > > checking whether to put _rtld_local into .sdata section... no checking > > for .preinit_array/.init_array/.fini_array support... no > > configure: error: Need linker with .init_array/.fini_array support. > > > > Config.log: > > configure:6121: checking for .preinit_array/.init_array/.fini_array support > > configure:6137: gcc -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os - > > pipe -g -o conftest > > conftest.c -static -nostartfiles -nostdlib > > 1>&5 > > collect2: fatal error: cannot find 'ld' > > That's an odd error. Is the newly build binutils 2.23.1 installed in a bin > directory that is on your PATH? Did you configure GCC and binutils with the > same --prefix option? > Yes, the newly built binutils is in the PATH and binutils and gcc have the same "--prefix". Note that when I remove "-flto -fuse-linker-plugin", the same config test passes and the same setup compiles without problems. John
