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docs/A - Credits.txt
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Dec 13 23:32:39 2011 +0100 (2011-12-13)
branch1.13
changeset 2847 c0bf2319af08
parent 2076 b58109b7b321
child 2829 0c3c95f911ec
child 2912 6467c949c91c
permissions -rw-r--r--
scripts: fix dumping execution backtrace

Dumping the backtrace has been broken since changeset #652e56d6d35a:
scripts: execute each steps in a subshell

We can spawn sub-sub-shells in some cases.

The way the fault handler works is to dump the backtrace, but to avoid
printing it once for every sub-shell (which could get quite confusing),
it simply exits when it detects that it is being run in a sub-shell,
leaving to the top-level shell the work to dump the backtrace.

Because each step is executed in its own sub-shell, the variable arrays
that contain the step name, the source file and line number, are lost
when exiting the per-step sub-shell.

Hence, the backtrace is currently limited to printing only the top-level
main procedure of the shell.

Fix this thus:
- when dumping the bckatraces for the steps & the functions, remember
it was dumped, and only dump it if it was not already dumped
- at the top-level shell, print the hints

Also, rename the top-level step label.

Reported-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 4193d6e6a17430a177fa88c287879c2c35e319f3) 
     1 File.........: A - Credits.txt

     2 Copyright....: (C) 2010 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>

     3 License......: Creative Commons Attribution Share Alike (CC-by-sa), v2.5

     4 

     5 

     6 Credits  /

     7 ________/

     8 

     9 

    10 I would like to thank these fine people for making crosstool-NG possible:

    11 

    12   Dan KEGEL, the original author of crosstool: http://www.kegel.com/

    13     Dan was very helpfull and willing to help when I build my first toolchains.

    14     I owe him one. Thank you Dan!

    15     Some crosstool-NG scripts have code snippets coming almost as-is from the

    16     original work by Dan.

    17 

    18 And in order of appearance on the crossgcc ML:

    19 

    20   Allan CLARK for his investigations on building toolchains on MacOS-X.

    21     Allan made extensive tests of the first alpha of crosstool-NG on his

    22     MacOS-X, and unveiled some bash-2.05 weirdness.

    23 

    24   Enrico WEIGELT

    25     - some improvements to the build procedure

    26     - cxa_atexit disabling for C libraries not supporting it (old uClibc)

    27     - misc suggestions (restartable build, ...)

    28     - get rid of some bashisms in ./configure

    29     - contributed OpenRISC or32 support

    30 

    31   Robert P. J. DAY:

    32     - some small improvements to the configurator, misc prompting glitches

    33     - 'sanitised' patches for binutils-2.17

    34     - patches for glibc-2.5

    35     - misc patches, typos and eye candy

    36     - too many to list any more!

    37 

    38   Al Stone:

    39     - initial ia64 support

    40     - some cosmetics

    41 

    42   Szilveszter Ordog:

    43     - a uClibc floating point fix

    44     - initial support for ARM EABI

    45 

    46   Mark Jonas:

    47     - initiated Super-H port

    48 

    49   Michael Abbott:

    50     - make it build with ancient findutils

    51 

    52   Willy Tarreau:

    53     - a patch to glibc to build on 'ancient' shells

    54     - reported mis-use of $CT_CC_NATIVE

    55 

    56   Matthias Kaehlcke:

    57     - fix building glibc-2.7 (and 2.6.1) with newer kernels

    58 

    59   Daniel Dittmann:

    60     - PowerPC support

    61 

    62   Ioannis E. Venetis:

    63     - preliminary Alpha support

    64     - intense gcc-4.3 brainstorming

    65 

    66   Thomas Jourdan:

    67     - intense gcc-4.3 brainstorming

    68     - eglibc support

    69 

    70   Many others have contributed, either in form of patches, suggestions,

    71   comments, or testing... Thank you to all of you!

    72 

    73 Special dedication to the buildroot people for maintaining a set of patches I

    74 happily and shamelessly vampirise from time to time... :-)

    75 

    76 

    77 20100530: Status of this file

    78 

    79 It's been about a year now that we've moved the repository to Mercurial.

    80 The repository now has proper authorship for each changeset, and this is

    81 used to build the changelog at each release. This file will probably no

    82 longer be updated, and is here to credit people prior to the Mercurial

    83 migration, or for people discussing ideas or otherwise helping without

    84 code.

    85 

    86 If you think you deserve being cited in this file, do yell at me! ;-)
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