For the records, I forgot to include a t-<myarch> makefile that (in my case..) uses FPBIT/DPBIT. - Hendrik On Thu, Sep 5, 2013 at 9:40 AM, Hendrik Greving <hendrik.greving.intel@xxxxxxxxx> wrote: > Hi, when compiling HelloWorld with a newly ported 4.8.1 with own > backend, using newlib-2.0.0 and binutils-2.23.2, I am getting a bunch > of missing symbols, e.g. > > /my/bin/path/lib/gcc/<mytarget>/4.8.1/../../../../<mytarget>/lib/libc.a(lib_a-vfprintf.o): > In function `_vfprintf_r': > /my/path/to/obj/fsf-4.8.1/<mytarget>/newlib/libc/stdio/../../../../../../../src/tools/fsf-4.8.1/newlib/libc/stdio/vfprintf.c:1086: > undefined reference to `__ltdf2' > /my/path/to/obj/fsf-4.8.1/<mytarget>/newlib/libc/stdio/../../../../../../../src/tools/fsf-4.8.1/newlib/libc/stdio/vfprintf.c:1558: > undefined reference to `__eqdf2' > /my/path/to/obj/fsf-4.8.1/<mytarget>/newlib/libc/stdio/../../../../../../../src/tools/fsf-4.8.1/newlib/libc/stdio/vfprintf.c:1605: > undefined reference to `__nedf2' > /tmp/localdisk/hgreving/mnr-uarch-cms_current/install/bin_4_8_1/lib/gcc/<mytarget>/4.8.1/../../../../<mytarget>/lib/libc.a(lib_a-vfprintf.o): > In function `cvt': > /my/path/to/obj/fsf-4.8.1/<mytarget>/newlib/libc/stdio/../../../../../../../src/tools/fsf-4.8.1/newlib/libc/stdio/vfprintf.c:1734: > undefined reference to `__nedf2' > > and more. I think this stuff belongs to libgcc, but the symbols are > not there. E.g. > > nm ./fsf-4.8.1/<mytarget>/libgcc/libgcc.a | grep ltdf2 > U __ltdf2 > U __ltdf2 > > Am I doing something wrong when configuring libgcc maybe? > > Thanks > Regards, > Hendrik Greving
