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Add sigaltstack support to Unix crashlog

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This commit is contained in:
Jonathan G Rennison
2019-04-23 18:41:20 +01:00
parent 61a4ecf078
commit 145fee04fa
2 changed files with 35 additions and 1 deletions
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23
config.lib
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@@ -1807,6 +1807,29 @@ EOL
log 1 "checking ucontext... found"
CFLAGS="$CFLAGS -DWITH_UCONTEXT"
fi
log 2 "executing $cc_host $CFLAGS $CFLAGS_ENV $LDFLAGS $LDFLAGS_ENV $STATIC_FLAGS -o tmp.config.sigaltstack -x c++ - -ldl"
"$cc_host" $CFLAGS $CFLAGS_ENV $LDFLAGS $LDFLAGS_ENV $STATIC_FLAGS -o tmp.config.sigaltstack -x c++ - -ldl 2> /dev/null << EOL
#include <signal.h>
#include <stdlib.h>
int main() {
stack_t ss;
ss.ss_sp = calloc(SIGSTKSZ, 1);
ss.ss_size = SIGSTKSZ;
ss.ss_flags = 0;
sigaltstack(&ss, nullptr);
return 0;
}
EOL
ret=$?
rm -f tmp.config.sigaltstack
log 2 " exit code $ret"
if [ $ret -ne 0 ]; then
log 1 "checking sigaltstack... no"
else
log 1 "checking sigaltstack... found"
CFLAGS="$CFLAGS -DWITH_SIGALTSTACK"
fi
fi
if [ "$os" = "MINGW" ]; then