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patches/glibc/ports-2.10.1/390-cross-compile-nptl.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Dec 30 15:36:22 2009 +0100 (2009-12-30)
changeset 1669 61edd9d19e3c
permissions -rw-r--r--
scripts/functions: add aria2, a powerfull downloader

aria2 is a powerfull downloader that is capable of chunking and
parallel retrieval.

Due to li;itations in crosstool-NG retrieval facilities, it's not possible
to take fully advantage of aria2. It might happen that, in the future,
those limitations get lifted away, so we can take use features such as
parallel downloading from more than one server at the same time. For now,
it should still speed up downloads thanks to parallel downloading of chunks. 
     1 A little hack for cross-compiling NPTL

     2 

     3 http://sourceware.org/ml/libc-alpha/2005-02/msg00043.html

     4 

     5 diff -durN glibc-2.10.1.orig/nptl/sysdeps/pthread/configure glibc-2.10.1/nptl/sysdeps/pthread/configure

     6 --- glibc-2.10.1.orig/nptl/sysdeps/pthread/configure	2009-05-17 14:19:31.000000000 +0200

     7 +++ glibc-2.10.1/nptl/sysdeps/pthread/configure	2009-11-13 00:50:43.000000000 +0100

     8 @@ -78,6 +78,10 @@

     9  fi

    10  { echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5

    11  echo "${ECHO_T}$libc_cv_forced_unwind" >&6; }

    12 +if test $libc_cv_forced_unwind = no -a $build_cpu != $host_cpu; then

    13 +  echo "$as_me:$LINENO: forcing libc_cv_forced_unwind = yes for cross-compile"

    14 +  libc_cv_forced_unwind=yes

    15 +fi

    16  if test $libc_cv_forced_unwind = yes; then

    17    cat >>confdefs.h <<\_ACEOF

    18  #define HAVE_FORCED_UNWIND 1

    19 @@ -141,6 +145,10 @@

    20  { echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5

    21  echo "${ECHO_T}$libc_cv_c_cleanup" >&6; }

    22    CFLAGS="$old_CFLAGS"

    23 +  if test $libc_cv_c_cleanup = no -a $build_cpu != $host_cpu; then

    24 +    echo "$as_me:$LINENO: result: forcing libc_cv_c_cleanup = yes for cross-compile"

    25 +    libc_cv_c_cleanup=yes

    26 +  fi

    27    if test $libc_cv_c_cleanup = no; then

    28      { { echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5

    29  echo "$as_me: error: the compiler must support C cleanup handling" >&2;}

    30 diff -durN glibc-2.10.1.orig/nptl/sysdeps/pthread/configure.in glibc-2.10.1/nptl/sysdeps/pthread/configure.in

    31 --- glibc-2.10.1.orig/nptl/sysdeps/pthread/configure.in	2003-12-03 07:50:01.000000000 +0100

    32 +++ glibc-2.10.1/nptl/sysdeps/pthread/configure.in	2009-11-13 00:50:43.000000000 +0100

    33 @@ -28,6 +28,9 @@

    34  struct _Unwind_Context *context;

    35  _Unwind_GetCFA (context)],

    36  libc_cv_forced_unwind=yes, libc_cv_forced_unwind=no)])

    37 +if test $libc_cv_forced_unwind = no -a $build_cpu != $host_cpu; then

    38 +  libc_cv_forced_unwind=yes

    39 +fi

    40  if test $libc_cv_forced_unwind = yes; then

    41    AC_DEFINE(HAVE_FORCED_UNWIND)

    42  dnl Check for C cleanup handling.

    43 @@ -41,6 +44,9 @@

    44    puts ("test")],

    45  libc_cv_c_cleanup=yes, libc_cv_c_cleanup=no)])

    46    CFLAGS="$old_CFLAGS"

    47 +  if test $libc_cv_c_cleanup = no -a $build_cpu != $host_cpu; then

    48 +    libc_cv_c_cleanup=yes

    49 +  fi

    50    if test $libc_cv_c_cleanup = no; then

    51      AC_MSG_ERROR([the compiler must support C cleanup handling])

    52    fi
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