I was compiling for the 440FP under cygwin, I believe that I had to use --enable-long-long when I configured gcc in order to build glibc.
________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ademir Zanetti Junior Sent: Thursday, October 09, 2008 2:08 PM To: linuxppc-embedded@ozlabs.org Subject: Toolchain for ppc-440 without FPU Hello all, I am trying to create a toolchain by hand and I am facing some problems when I try to configure the glibc 2.7 for a powerpc. When I try to configure the glibc to install the headers I get the following error: configure --prefix=/usr --host=powerpc-440-linux-gnu --with-headers=${SYSROOT}/usr/include --disable-shared --without-cvs --with-binutils=/home/azanetti/ml507/powerpc/bin/ checking build system type... i686-pc-linux-gnu checking host system type... i686-pc-linux-gnu configure: running configure fragment for add-on nptl checking sysdep dirs... sysdeps/i386/elf nptl/sysdeps/unix/sysv/linux/i386/i686 nptl/sysdeps/unix/sysv/linux/i386 sysdeps/unix/sysv/linux/i386 nptl/sysdeps/unix/sysv/linux nptl/sysdeps/pthread sysdeps/pthread sysdeps/unix/sysv/linux sysdeps/gnu sysdeps/unix/common sysdeps/unix/mman sysdeps/unix/inet sysdeps/unix/sysv/i386 nptl/sysdeps/unix/sysv sysdeps/unix/sysv sysdeps/unix/i386 nptl/sysdeps/unix sysdeps/unix sysdeps/posix sysdeps/i386/i686/fpu nptl/sysdeps/i386/i686 sysdeps/i386/i686 sysdeps/i386/i486 nptl/sysdeps/i386/i486 sysdeps/i386/fpu nptl/sysdeps/i386 sysdeps/i386 sysdeps/wordsize-32 sysdeps/ieee754/ldbl-96 sysdeps/ieee754/dbl-64 sysdeps/ieee754/flt-32 sysdeps/ieee754 sysdeps/generic/elf sysdeps/generic checking for a BSD-compatible install... /usr/bin/install -c checking whether ln -s works... yes checking for gcc... gcc checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking how to run the C preprocessor... gcc -E checking for g++... g++ . . . checking for long double... yes checking size of long double... 12 running configure fragment for sysdeps/powerpc/powerpc32/elf checking for powerpc32 TLS support... no running configure fragment for sysdeps/unix/sysv/linux/powerpc checking whether gcc -B/home/azanetti/ml507/powerpc/bin/ -g -O2 -mlong-double-128 uses IBM extended format... no checking whether gcc -B/home/azanetti/ml507/powerpc/bin/ -g -O2 supports -mabi=ibmlongdouble... no configure: error: this configuration requires -mlong-double-128 IBM extended format support I already have the binutils 2.18 compiled on my PATH. I know that it is easier to use a script like crosstool to compile it but I do want to understand what is happening behind the scenes. Regards. Ademir
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