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Diffstat (limited to 'mcon/U/d_backtrace.U')
| -rw-r--r-- | mcon/U/d_backtrace.U | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/mcon/U/d_backtrace.U b/mcon/U/d_backtrace.U new file mode 100644 index 0000000..afc8729 --- /dev/null +++ b/mcon/U/d_backtrace.U @@ -0,0 +1,45 @@ +?RCS: $Id: d_backtrace.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2011, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: d_semget.U,v $ +?RCS: +?MAKE:d_backtrace: Trylink cat i_execinfo +?MAKE: -pick add $@ %< +?S:d_backtrace: +?S: This variable conditionally defines the HAS_BACKTRACE symbol, which +?S: indicates to the C program that the backtrace() routine is available +?S: to get a stack trace. +?S:. +?C:HAS_BACKTRACE: +?C: This symbol, if defined, indicates that the backtrace() routine is +?C: available to get a stack trace. The <execinfo.h> header must be +?C: included to use this routine. +?C:. +?H:#$d_backtrace HAS_BACKTRACE /**/ +?H:. +?LINT:set d_backtrace +: see if backtrace exists +$cat >try.c <<EOC +#$i_execinfo I_EXECINFO +#ifdef I_EXECINFO +#include <execinfo.h> +#endif +int main(void) +{ + void *buf[2]; + static int ret; + ret |= backtrace(buf, 2); + return ret ? 0 : 1; +} +EOC +cyn=backtrace +set d_backtrace +eval $trylink + |