Compiling newlib for the [sparc-leon3-elf] target
Orlando Arias
orlandoarias@gmail.com
Mon Jan 9 15:44:00 GMT 2017
Greetings,
I have been trying to build the newlib/libgloss stack and associated
libraries for the sparc-leon3-elf package. Currently, I am using a
slightly patched binutils and gcc to perform this process. The patches
can be found in [1]. The patches are supposed to add the missing linker
script in binutils and change the default linker command gcc issues for
the sparc-elf target.
The situation I am having when building newlib is specifically with the
libraries associated for the leon3. An old build by Gaisler generates a
few separate directories:
lib/
lib/soft/
lib/soft/v8
lib/ut699
lib/v8
lib/v8/ut699
each with separate versions of the C runtime, AMBA plug and play
routines, the baremetal leon3 libraries. However, when I build it, none
of these directories get created, and the resulting leon3 libraries
begin exposing duplicate symbols [as if what should be in independent
directories are merged into the same file]. When linking programs, ld is
right to complain about the situation and generates no binaries.
I am configuring newlib/libgloss with:
export _target=sparc-leon3-elf
export CFLAGS_FOR_TARGET="-Os -g -ffunction-sections -fdata-sections"
export CFLAGS=${CFLAGS_FOR_TARGET}
../configure \
--prefix=/usr \
--target=${_target} \
--with-cpu=leon3 \
--enable-multilib \
--with-sysroot=/usr/${_target}
Binutils [2.27 with linked patches] was configured with:
../configure --prefix=/usr \
--target=${_target} \
--with-program-prefix=${_target}- \
--with-sysroot=/usr/${_target} \
--enable-shared \
--disable-nls \
--with-gnu-as \
--with-gnu-ld \
--enable-plugins \
--disable-gold \
--enable-multilib \
--with-cpu=leon3 \
--with-float=soft \
--disable-werror
make configure-host
make
GCC [6.3.0 with linked patches] was bootstrapped as:
../configure \
--target=${_target} \
--with-sysroot=/usr/${_target} \
--prefix=/usr \
--enable-languages=c \
--disable-shared \
--disable-nls \
--disable-threads \
--disable-libgomp \
--disable-mudflap \
--disable-libssp \
--disable-multilib \
--with-float=soft \
--with-newlib \
--without-headers \
--with-float=soft \
--with-cpu=leon
make all-gcc
Any ideas what I could be missing here? Thank you.
Cheers,
Orlando.
[1]
https://beta.groups.yahoo.com/neo/groups/LEON_SPARC/conversations/messages/24660
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