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patches/glibc/ports-2.10.1/390-cross-compile-nptl.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Tue Jul 31 22:27:29 2012 +0200 (2012-07-31)
changeset 3018 7776e8369284
permissions -rw-r--r--
complibs/cloog: create missing m4 dir

Because we now patch configure.in and configure, the Makefile quicks
in a re-build rule as the source files are now more recent than the
bundled generated files, and that fails because the m4 directory
is missing, although on some systems where aclocal is not installed,
the re-build rule does nothing (except a warning).

Always create tht directory.

Reported-by: Per Arnold Blaasmo <per-arnold.blaasmo@atmel.com>
[Also thanks to Thomas De Schampheleire <patrickdepinguin@gmail.com>
for some digging works on this issue]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     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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