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patches/gcc/4.4.3/290-freebsd.patch
author "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
Wed May 25 20:23:48 2011 +0200 (2011-05-25)
branch1.11
changeset 2552 cc285cc98e65
parent 1611 e2516bba8fe5
permissions -rw-r--r--
debug/gdb: fix runtime sysroot

This patch sets the runtime sysroot to fix the following GDB warning:
"Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code."

The sysroot can later be changed within gdb with the `set sysroot`
command if necessary.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
(transplanted from 7690196856ce4a4700d1887cc3adf80acc627c52) 
     1 diff -durN gcc-4.4.0.orig/gcc/config/freebsd-spec.h gcc-4.4.0/gcc/config/freebsd-spec.h

     2 --- gcc-4.4.0.orig/gcc/config/freebsd-spec.h	2009-05-27 21:38:47.000000000 +0200

     3 +++ gcc-4.4.0/gcc/config/freebsd-spec.h	2009-05-27 21:38:47.000000000 +0200

     4 @@ -86,9 +86,10 @@

     5  #define FBSD_STARTFILE_SPEC \

     6    "%{!shared: \

     7       %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \

     8 -		       %{!p:%{profile:gcrt1.o%s} \

     9 -			 %{!profile:crt1.o%s}}}} \

    10 -   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"

    11 +	%{!p:%{profile:gcrt1.o%s} \

    12 +	 %{!profile:crt1.o%s}}}} \

    13 +   crti.o%s \

    14 +   %{static:crtbeginT.o%s;shared:crtbeginS.o%s;:crtbegin.o%s}"

    15  

    16  /* Provide a ENDFILE_SPEC appropriate for FreeBSD.  Here we tack on

    17     the magical crtend.o file (see crtstuff.c) which provides part of 

    18 @@ -126,7 +127,8 @@

    19      %{pg:  -lc_p}							\

    20    }"

    21  #else

    22 -#if FBSD_MAJOR < 5

    23 +#include <sys/param.h>

    24 +#if __FreeBSD_version < 500016

    25  #define FBSD_LIB_SPEC "							\

    26    %{!shared:								\

    27      %{!pg:								\

    28 @@ -136,17 +138,34 @@

    29        %{!pthread:-lc_p}							\

    30        %{pthread:-lc_r_p}}						\

    31    }"

    32 -#else

    33 +#elif __FreeBSD_version < 700022

    34  #define FBSD_LIB_SPEC "							\

    35    %{!shared:								\

    36      %{!pg: %{pthread:-lpthread} -lc}					\

    37      %{pg:  %{pthread:-lpthread_p} -lc_p}				\

    38    }"

    39 +#else

    40 +#define FBSD_LIB_SPEC "							\

    41 +  %{!shared:								\

    42 +    %{!pg: %{pthread:-lpthread} -lc}					\

    43 +    %{pg:  %{pthread:-lpthread_p} -lc_p}}				\

    44 +  %{shared:								\

    45 +    %{pthread:-lpthread} -lc}						\

    46 +  "

    47  #endif

    48  #endif

    49  

    50 -#if FBSD_MAJOR < 6

    51 +#if FBSD_MAJOR < 5

    52  #define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1"

    53  #else

    54  #define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1"

    55  #endif

    56 +

    57 +#if defined(HAVE_LD_EH_FRAME_HDR)

    58 +#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "

    59 +#endif

    60 +

    61 +/* Use --as-needed -lgcc_s for eh support.  */

    62 +#ifdef HAVE_LD_AS_NEEDED

    63 +#define USE_LD_AS_NEEDED 1

    64 +#endif
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