patches/gcc/4.3.1/350-sh-without-headers.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu May 26 22:51:03 2011 +0200 (2011-05-26)
changeset 2481 30644208c955
permissions -rw-r--r--
configure: add possibility to set arbitrary variable in check_for

If check_for is able to find the required prog/inc/lib, allow it to
set an arbitrary variable to 'y'. This variable is then pushed down
to the kconfig definition.

For example:
has_or_abort prog=foobar kconfig=has_foobar

If foobar is available, it yields a kconfig variable defaulting to y:
config CONFIGURE_has_foobar
bool
default y

If foobar is missing, it yields a kconfig variable defaulting to n:
config CONFIGURE_has_foobar
bool

Thus it is possible to depends on that variabel to show/hide options:
config SOME_FEATURE
bool
prompt "Some feature"
depends on CONFIGURE_has_foobar

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 On 20081011, Khem RAJ writes:
     2  You have to bar gcc trying to build unwinding at stage 1. Try the
     3  attached patch and see if it helps.
     4 
     5  gcc/config/sh/linux-unwind.h |    3 +++
     6  1 file changed, 3 insertions(+)
     7 
     8 Index: gcc-4_2-branch/gcc/config/sh/linux-unwind.h
     9 ===================================================================
    10 --- gcc-4_2-branch.orig/gcc/config/sh/linux-unwind.h	2008-07-01 17:24:40.000000000 -0700
    11 +++ gcc-4_2-branch/gcc/config/sh/linux-unwind.h	2008-07-01 17:25:47.000000000 -0700
    12 @@ -26,6 +26,8 @@ along with this program; see the file CO
    13  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
    14  Boston, MA 02110-1301, USA.  */
    15  
    16 +#ifndef inhibit_libc
    17 +
    18  /* Do code reading to identify a signal frame, and set the frame
    19     state data appropriately.  See unwind-dw2.c for the structs.  */
    20  
    21 @@ -251,3 +253,4 @@ sh_fallback_frame_state (struct _Unwind_
    22    return _URC_NO_REASON;
    23  }
    24  #endif /* defined (__SH5__) */
    25 +#endif /* ifndef inhibit_libc */
    26