patches/gcc/2.95.3/180-threads_snafu.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Oct 14 17:42:10 2008 +0000 (2008-10-14)
changeset 929 7c958fb04f28
permissions -rw-r--r--
Sample config for e500v2 toolchain

On Tuesday 14 October 2008 17:05:31 Nate Case wrote:
> This is a sample config file for Freescale e500v2 processors (e.g.,
> MPC8548, MPC8572). It uses eglibc (for e500/SPE patches) and a recent
> gcc (4.3.1, for e500v2 DPFP support) and will generate appropriate
> dual-precision floating point instructions by default.
>
> Note: If building a Linux kernel with this toolchain, you will want to
> make sure -mno-spe AND -mspe=no are passed to gcc to prevent SPE
> ABI/instructions from getting into the kernel (which is currently
> unsupported). At this time, the kernel build system only passes
> -mno-spe by default (this should be fixed soon hopefully).
>
> A binutils snapshot is used to fix a bug present in 2.18 preventing
> U-Boot from being compiled (CodeSourcery issue #2297: internal.h
> (ELF_IS_SECTION_IN_SEGMENT): Adjust to cope with segments at the end of
> memory).

Obsoletes the powerpc-unknown-linux-gnuspe sample, so remove it.

/trunk/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 307 307 0 0 +++++++++++++++++++
1 file changed, 307 insertions(+)
yann@402
     1
This fixes the error
yann@402
     2
yann@402
     3
In file included from gthr-default.h:1,
yann@402
     4
                 from /build/arm-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/gcc-2.95.3/gcc/gthr.h:98,
yann@402
     5
                 from /build/arm-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/gcc-2.95.3/gcc/libgcc2.c:3034:
yann@402
     6
/build/arm-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/gcc-2.95.3/gcc/gthr-posix.h:37: pthread.h: No such file or directory
yann@402
     7
make[3]: *** [libgcc2.a] Error 1
yann@402
     8
make[3]: Leaving directory `/build/arm-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/build-gcc-core/gcc'
yann@402
     9
yann@402
    10
in what I think is a nicer way than the patch used by the arm team,
yann@402
    11
i.e. "perl -pi -e 's/^(TARGET_LIBGCC2_CFLAGS.*)/$1 -Dinhibit_libc -D__gthr_posix_h/' gcc/config/arm/t-linux"
yann@402
    12
which seems a bit of a kludge.
yann@402
    13
yann@402
    14
--- gcc-2.95.3/gcc/configure.old	Fri Mar 16 06:13:48 2001
yann@402
    15
+++ gcc-2.95.3/gcc/configure	Sun Jun  8 13:02:20 2003
yann@402
    16
@@ -853,9 +853,9 @@
yann@402
    17
 # Check whether --enable-threads or --disable-threads was given.
yann@402
    18
 if test "${enable_threads+set}" = set; then
yann@402
    19
   enableval="$enable_threads"
yann@402
    20
-  if test x$enable_threads = xno; then
yann@402
    21
-	enable_threads=''
yann@402
    22
-fi
yann@402
    23
+  #if test x$enable_threads = xno; then
yann@402
    24
+	#enable_threads=''
yann@402
    25
+  #fi
yann@402
    26
 else
yann@402
    27
   enable_threads=''
yann@402
    28
 fi