patches/glibc/2.6/180-gcc-4.3-sysinclude-path.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(+)
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Patch pointed to by Ryan ARNOLD on the libc-help ML.
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See: http://sourceware.org/ml/libc-help/2008-06/msg00063.html
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Forwarded to crosstool-NG by Ioannis E. VENETIS:
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See: http://sourceware.org/ml/libc-help/2008-06/msg00063.html
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GCC 4.3 changed the location of some of the header files.  I don't
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understand why you'd be getting these errors while building GCC since
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it provides them.
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With regard to GLIBC, Roland checked in some changes so that the GLIBC
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build system could find the new locations of the GCC provided header
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files.
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diff -durN glibc-2.6.orig/configure.in glibc-2.6/configure.in
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--- glibc-2.6.orig/configure.in	2007-06-08 05:16:36.000000000 +0200
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+++ glibc-2.6/configure.in	2008-06-24 18:38:46.000000000 +0200
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@@ -911,8 +911,12 @@
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 # header directory and add that to the list.  NOTE: Only does the right
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 # thing on a system that doesn't need fixincludes.  (Not presently a problem.)
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 if test -n "$sysheaders"; then
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-  ccheaders=`$CC -print-file-name=include`
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-  SYSINCLUDES="-nostdinc -isystem $ccheaders \
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+  SYSINCLUDES=-nostdinc
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+  for d in include include-fixed; do
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+    i=`$CC -print-file-name="$d"` && test "x$i" != x && test "x$i" != "x$d" &&
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+    SYSINCLUDES="$SYSINCLUDES -isystem $i"
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+  done
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+  SYSINCLUDES="$SYSINCLUDES \
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 -isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
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   if test -n "$CXX"; then
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     cxxversion=`$CXX -dumpversion 2>&AS_MESSAGE_LOG_FD` &&
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diff -durN glibc-2.6.orig/configure glibc-2.6/configure
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--- glibc-2.6.orig/configure	2008-06-24 18:35:34.000000000 +0200
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+++ glibc-2.6/configure	2008-06-24 18:38:46.000000000 +0200
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@@ -4562,8 +4562,12 @@
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 # header directory and add that to the list.  NOTE: Only does the right
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 # thing on a system that doesn't need fixincludes.  (Not presently a problem.)
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 if test -n "$sysheaders"; then
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-  ccheaders=`$CC -print-file-name=include`
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-  SYSINCLUDES="-nostdinc -isystem $ccheaders \
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+  SYSINCLUDES=-nostdinc
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+  for d in include include-fixed; do
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+    i=`$CC -print-file-name="$d"` && test "x$i" != "x$d" &&
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+    SYSINCLUDES="$SYSINCLUDES -isystem $i"
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+  done
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+  SYSINCLUDES="$SYSINCLUDES \
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 -isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
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   if test -n "$CXX"; then
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     cxxversion=`$CXX -dumpversion 2>&5` &&