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config/companion_libs/mpfr.in
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 1978 fbee95d8182b
child 2756 3976adc582fb
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 # GMP options

     2 

     3 choice

     4     bool

     5     prompt "MPFR version"

     6 # Don't remove next line

     7 # CT_INSERT_VERSION_BELOW

     8 

     9 config MPFR_V_3_0_1

    10     bool

    11     prompt "3.0.1 (EXPERIMENTAL)"

    12     depends on EXPERIMENTAL

    13 

    14 config MPFR_V_3_0_0

    15     bool

    16     prompt "3.0.0"

    17 

    18 config MPFR_V_2_4_2

    19     bool

    20     prompt "2.4.2"

    21 

    22 config MPFR_V_2_4_1

    23     bool

    24     prompt "2.4.1"

    25 

    26 config MPFR_V_2_4_0

    27     bool

    28     prompt "2.4.0"

    29 

    30 config MPFR_V_2_3_2

    31     bool

    32     prompt "2.3.2 (OBSOLETE)"

    33     depends on OBSOLETE

    34 

    35 config MPFR_V_2_3_1

    36     bool

    37     prompt "2.3.1 (OBSOLETE)"

    38     depends on OBSOLETE

    39 

    40 endchoice

    41 

    42 config MPFR_VERSION

    43     string

    44 # Don't remove next line

    45 # CT_INSERT_VERSION_STRING_BELOW

    46     default "3.0.1" if MPFR_V_3_0_1

    47     default "3.0.0" if MPFR_V_3_0_0

    48     default "2.4.2" if MPFR_V_2_4_2

    49     default "2.4.1" if MPFR_V_2_4_1

    50     default "2.4.0" if MPFR_V_2_4_0

    51     default "2.3.2" if MPFR_V_2_3_2

    52     default "2.3.1" if MPFR_V_2_3_1
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