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config/debug/strace.in
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Sep 12 23:51:25 2010 +0200 (2010-09-12)
changeset 2123 ff2181adbd28
parent 1844 4d6a56579d9d
child 2444 896cb0d36c1a
permissions -rw-r--r--
cc/gcc: disable complibs if not selected

Force gcc to not link with some companion libraries when
there are not needed (because selected-out).

There is no option to tell gcc *not* to build the Graphite and/or
LTO stuff. They *will* be built if gcc finds the suitable companion
libraries. If we do not provide them, but the host has them, then
gcc *will* find them, and link with them.

Consider the following:
- host has suitable PPL and CLooG (eg. Debian Squeeze)
- user wants to build gcc>=4.4
- user de-selects GRAPHITE
- gcc will find the hosts PPL and CLooG, and will use them
- the user moves the toolchain to an older host that does
not have them (eg. Debian Lenny)
- the toolchain fails, when it was properly setup not to

So, explicitly tell gcc *not* to use unneeded companion libs.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 # strace

     2 # depends on ! BACKEND

     3 

     4 config DEBUG_strace

     5 

     6 choice

     7     bool

     8     prompt "strace version"

     9 # Don't remove next line

    10 # CT_INSERT_VERSION_BELOW

    11 

    12 config STRACE_V_4_5_20

    13     bool

    14     prompt "4.5.20 (EXPERIMENTAL)"

    15     depends on EXPERIMENTAL

    16 

    17 config STRACE_V_4_5_19

    18     bool

    19     prompt "4.5.19"

    20 

    21 config STRACE_V_4_5_18

    22     bool

    23     prompt "4.5.18"

    24 

    25 config STRACE_V_4_5_17

    26     bool

    27     prompt "4.5.17 (OBSOLETE)"

    28     depends on OBSOLETE

    29 

    30 config STRACE_V_4_5_16

    31     bool

    32     prompt "4.5.16 (OBSOLETE)"

    33     depends on OBSOLETE

    34 

    35 config STRACE_V_4_5_15

    36     bool

    37     prompt "4.5.15 (OBSOLETE)"

    38     depends on OBSOLETE

    39 

    40 endchoice

    41 

    42 config STRACE_VERSION

    43     string

    44 # Don't remove next line

    45 # CT_INSERT_VERSION_STRING_BELOW

    46     default "4.5.20" if STRACE_V_4_5_20

    47     default "4.5.19" if STRACE_V_4_5_19

    48     default "4.5.18" if STRACE_V_4_5_18

    49     default "4.5.17" if STRACE_V_4_5_17

    50     default "4.5.16" if STRACE_V_4_5_16

    51     default "4.5.15" if STRACE_V_4_5_15
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